fix(discord): the connector's STOP refusal names the journal by label (#1873 )

Re-check 3 found connector.start() still quoted the journal directory in its STOP refusal, and the CLI passes a DiscordError through unchanged. It now uses journalLabel like the CLI and journal refusals. The connector test asserts the path is absent: 22/1 on the old source, 23/0 after.
fix(discord): a native fs error never prints its path: CLI choke point and journal labels (#1873 )
2026-11-11 10:22:14 -06:00 · 2026-11-11 10:11:11 -06:00 · 2026-11-11 09:50:14 -06:00 · 2026-11-11 08:53:31 -06:00 · 2026-11-11 08:53:31 -06:00 · 2026-11-11 08:53:31 -06:00
248 changed files with 10818 additions and 2139 deletions
@@ -42,9 +42,15 @@ green at every step. Not production software — a proven foundation.
   rewritten, only pruned via `prune` with a receipt.
 6. **Fail closed**: missing or invalid config/policy refuses the operation.
   Never improvise around a refusal; diagnose it.
-7. **Policy**: missions govern tasks (least-privilege intersection — a task
-   narrows, never widens). Role authority is declared in `roles/` and changes
-   only via reviewed commits.
+7. **Policy**: missions govern tasks; a task narrows, never widens. The
+   rails, the core vocabulary of tools and actions, and the shipped role
+   templates in `roles/` change only by reviewed commit. An organization's
+   own roles are copies or compositions of known parts. One takes effect
+   only through a decision, resolved where the organization's owner-set
+   autonomy level sends it, by default a human with `org.hire`. The
+   decision lists every grant above the chief's own as a flagged line,
+   which only the owner approves. Only the chief raises hires, and a hired
+   agent cannot hire.
 8. **Git**: commit only after applicable suites are green. Work on the
   owner-authorized `refactor` branch; never force-push. Push remains an explicit
   act. Do not merge into `next` or `main` without separate authorization.
@@ -104,7 +110,8 @@ Finish all independent work first, then ask one focused question only when:

 Repository gates still apply. In particular, a successful implementation or a
 broad request to “finish” does not by itself authorize push, merge, deployment,
-release, production changes, policy/role expansion, or access to secrets. Perform
+release, production changes, policy/role expansion, or access to secrets. An approved
+hire decision is that authority for the one agent it names. Perform
 such an action only when the established plan explicitly includes it. If blocked,
 report the exact boundary, what is complete, the recommended resolution, and the
 specific action that will resume; do not use “waiting for confirmation” as a
@@ -206,7 +213,7 @@ Full reference — usage, fields, exit codes, safety notes:
 - `LAYERS.md` — implemented vs deferred layers
 - `docs/SESSIONS.md` — session registry
 - `adapters/README.md` — the harness adapter contract
- `roles/` — role contracts (conductor, future agent/coder/reviewer)
+- `roles/` — shipped role templates and the conductor policy

 ## Recovery rule

@@ -807,13 +807,52 @@ the port and the backup's `SHA256SUMS`. Then it makes
  Roles come from the target copy's `roles/`, as the live bus reads them.
 - `steps.log` holds the same PASS and FAIL lines the run prints, with times;
  `host.log`, `console.log` and, after a migration, `migrate.log` sit beside it.
+- When the live config has `console.sso` (M3, #1873), the scratch copy keeps
+  its provider ids, client ids, algorithms and subjects and moves the public
+  origin to `rehearsal.invalid`, a name that never resolves. For a stamped
+  target each issuer becomes `ORIGIN/ID/` at the rehearsal provider below;
+  otherwise it moves to `rehearsal.invalid` too. Each client secret slot is a 0600 file under `config/secrets/mosaic-stack/`
+  holding `rehearsal-placeholder-secret`; the live secret is never read.
+
+A stamped target copy (one with `.stack-build.json`) serves only with `--sso`,
+so its rehearsal needs the live instance's human-made SSO steps. Without a live
+`console.sso` it refuses `sso-not-prepared`; without the live `accounts.json`
+beside the config it refuses `accounts-not-initialized`. Both name the run-sheet
+step. Otherwise it copies the live `accounts.json` into `config/`, writes
+`data/.deployed` with the target copy's own `writeDeployment`, prints
+`PASS deployment`, and starts the Console with `--sso`.
+
+Before that, a stamped run starts a rehearsal provider and prints
+`PASS provider-start`. It is a node process on `127.0.0.1` port 0 that serves
+HTTPS with a certificate made for this run, under `provider/` (mode 0700). For
+each live provider id it serves discovery and a JWKS whose public key it made
+in memory for the first algorithm it can make from that provider's list. Its
+authorize and token routes answer 403 to any method and query: it issues no
+code and no token, and
+it reads no live secret. It logs each request to `provider/requests.log`,
+deletes its TLS key file once it has read it, and exits on SIGTERM or when
+the rehearsal's process is gone. `provider-start` fails when it exits early,
+writes no origin within the timeout, writes an origin that is not
+`https://127.0.0.1:PORT`, or leaves its key file. Only the scratch Console gets
+`NODE_EXTRA_CA_CERTS` naming `provider/cert.pem`; the host does not.
+
+The scratch Console runs every startup check against that provider. The gate
+adds `sso-ready`: `/healthz` must report each provider `ready`. After the gate,
+`provider-discovery` requires a 200 discovery and JWKS request per provider and
+no authorize or token request. The end stops the provider with the Console and
+host and prints `provider-stopped`. The live `accounts.json` joins the end check
+`live-config-unchanged`. The rehearsal adds no subject and no account.

 A guard then loads the scratch config with the target's code and refuses
 with a named check: `data-root-live` when the scratch data root resolves to
 the live one, `sessions-live` when a `sessions.json` there names a running
 pid (the run never deletes the file), `data-root-scratch`, `notify-off`,
-`tracker-configured` when `bootConfig` still sets a tracker, and
-`credential-ref-live` for an env reference or a file outside `placeholders/`.
+`tracker-configured` when `bootConfig` still sets a tracker,
+`credential-ref-live` for an env reference or a file outside `placeholders/`,
+and `sso-isolated` when a `console.sso` origin is not on `rehearsal.invalid`,
+an issuer is not `ORIGIN/ID/` at the rehearsal provider (not on
+`rehearsal.invalid` for an unstamped target), or a slot is not its scratch
+placeholder.
 When the backup's schema differs from the target's, the run checks that the
 target refuses the store, migrates it, opens it, migrates it again as a
 no-op, and that the pointer's copy refuses the migrated store.
@@ -822,7 +861,8 @@ It starts `scripts/mosaic bus start BUSINESS --no-launch` and the Console's
 `serve --port N --business BUSINESS` from the target copy, without `--send`.
 The gate needs the host's `launches disabled` line, a live `bus status` host
 with this run's pid and a boot from this start, the Console's address line,
-`/healthz` 200, and both command lines on the target copy. Then it checks
+`/healthz` 200 (and `sso-ready` for a stamped target), and both command lines
+on the target copy. Then it checks
 that the host wrote no `sessions.json` and no `launches`, stops the Console
 and the host (SIGTERM, then SIGKILL and a FAIL after the timeout), checks that
 the host released `writer.lock`, and compares the backup and the live config
@@ -834,6 +874,21 @@ Usage exits 4. Nothing prunes rehearsal directories.
 starts no thread ticker, and leaves an earlier host's `sessions.json` and
 its runs alone. No unit passes it, and `--pm` with it is a usage error.

+An accounts instance runs system units (M3, #1873). Without `--units external`,
+`activate`, `rollback` and `pm-on` refuse `accounts-user-unit`, before
+anything stops and before `--plan` prints, when the target copy holds a
+`.stack-build.json` (a stamped copy), when `accounts.json` sits beside the
+config, when the config holds `console.sso`, or when `<dataRoot>/.deployed`
+exists. A config that cannot be read as JSON refuses as well. The message
+names the first sign found and says root renders the units with
+`case2-unit.sh`. For `activate` and `rollback` it adds that the run takes
+`--units external`. For `pm-on` it says the PM is a flag in root's bus unit.
+So a user-unit run never turns `--sso` on any more. The `--sso`, `sso-slot`
+and `--no-sso` text above describes the pointers that pre-M3 hosts left, and
+the Console's own start checks the slot (`readSlot` in
+`packages/webui/src/sso.mjs`). A rollback or `--no-sso` from such a pointer
+runs once `console.sso` is gone and no other sign is present.
+
 #### Root-owned units (`--units external`, row 232)

 On a host whose bus and Console are root's system units, the stack user runs
@@ -894,8 +949,9 @@ the target migrates the store and the run lacks `--migrate` (row 233). Under

 ```
 scripts/stack-upgrade.sh upgrade --instance dev --bundle FILE --sha SHA [--migrate] [--no-rehearsal]
-    [--rehearse-port N] [--timeout S]
-scripts/stack-upgrade.sh rollback --instance dev --to ID [--restore ACT [--events N]] [--timeout S]
+    [--rehearse-port N] [--next-args] [--timeout S]
+scripts/stack-upgrade.sh rollback --instance dev --to ID [--restore ACT [--events N]] [--next-args]
+    [--timeout S]
 ```

 Root runs it from a root-owned checkout of the reviewed commit, never from a
@@ -935,7 +991,13 @@ user's clone `<home>/src/mosaic-stack`:
   (`args-differ`), and
   `activate SHA BUSINESS --units external --plan --expect-from OLD` exits 0
   (`plan-refused`, which covers `open-activation`, `migrate-required` and
-   `pointer-differs`).
+   `pointer-differs`). Then the render checks (#1873 M3):
+   `case2-unit.sh --check` renders OLD from the args file and compares the
+   installed units with it, so a rollback could render them, then checks
+   SHA's render the same way. Either refusal is `render-refused`. A re-pin
+   that changes the serve flags fails the second check, because an
+   installed unit must equal the render but for the copy id (row 195); it
+   takes `--next-args`, below.
 4. The rehearsal, `rehearse SHA BUSINESS --backup last --port 7339`
   (`--rehearse-port`). Exit 0 goes on. Exit 3 means no backup in the log
   and goes on only with `--no-rehearsal`, logging `rehearsal-skipped`;
@@ -950,6 +1012,22 @@ user's clone `<home>/src/mosaic-stack`:
   still names the old one, and root moves the new file (the result line
   names it) into place by hand.

+`--next-args` changes the serve flags, as the SSO migration does
+(`docs/guides/host-run-sheet.md` section 7). The run reads
+`/etc/mosaic-stack/dev.args.next` as it reads the args file
+(`args-unreadable`). It must equal the args file before `--` but for
+`--copy`'s value (`next-args-differ`) and differ from it after `--`
+(`next-args-same`). The target's check is `case2-unit.sh --check-new`, a
+first install's checks from the next args, without the installed units'.
+After A3, root moves the installed unit files into a new 0700 directory
+`/etc/mosaic-stack/dev.replaced.XXXXXX` (step `units-aside`), so A4 renders
+as a first install. A failure from there moves them back unchanged
+(`units-back`), runs `daemon-reload` and starts the old units with no render.
+After A5 the old args file is copied into the replaced directory, the next
+args file is removed (step `next-args`), and the new args file, made from
+the next args, moves into place. The result line names the replaced
+directory. Nothing removes it.
+
 A failure in A2 or a stage that exits 3 starts the old units again and gates
 them (A2f). A later failure stops both units, runs `revert`, renders the old
 copy and runs `confirm --rollback OLD --cause A3|A4|A5`. `rollback` is the
@@ -386,10 +386,15 @@ then the bus, then the proxy, re-render all three onto the selected copy, and st
 then the Console. Recovery after a failed upgrade restores all three to the old copy. A missing or
 disagreeing proxy unit, or an installed proxy without `--proxy` in the args file, refuses before anything stops.

-For the `library` profile, the serve argv after `--` keeps the proxy-preview trio and required proof pair
-but omits `--send`. That Console is read-only until Case 2 gains real OIDC in #412; `case2-unit.sh`
-explicitly refuses `--send`. Proxy preview and proof-protected reads remain available. The `factory`
-profile and its private tester socket are unchanged.
+A stamped copy, which is every copy `stack-copy.sh` makes, signs in through SSO accounts in both profiles
+(M3, #1873; Jason's ruling 2026-11-10). After `--`, the `factory` profile takes `--sso --send` with its
+private tester socket. The `library` profile takes a bare `--sso`, still without `--send`, so its Console
+stays read-only. A stamped library copy refuses the proxy-preview trio (`--public-host`, `--auth-header`,
+`--allow-user`) and the proof pair (`--proof-header`, `--proof-file`): proxy-preview admission does not
+apply to a stamped copy. Only an unstamped library copy, which no host install makes, keeps the old
+proxy-preview argv and refuses `--sso`. Before writing anything, `case2-unit.sh` refuses a stamped copy
+that lacks `--sso` or any prerequisite and names each missing step. The migration below lists them in
+order.

 A library host installed before #385 has `--send` in two places, because the earlier `case2-unit.sh`
 required it: a `--send` line after `--` in the args file, and `--send` in the installed Console unit's
@@ -418,10 +423,83 @@ grep -n '^ExecStart=' /etc/systemd/system/mosaic-webui.service | grep -c -- ' --
  lead with the command's output. Removing only the args line does not help: the run then refuses
  `console-unit-legacy`.

-The Console stays read-only after the upgrade, until #412 (#385).
+The library Console stays read-only after the upgrade (#385). From M3 it signs in through SSO
+accounts, as the migration below sets up.

-Precheck line: none. `stack-upgrade.sh` refuses `args-unreadable` or `console-unit-legacy` on any of these
-rules, before it stops a unit.
+### Migrating a host to SSO accounts (M3, #1873)
+
+A host re-pinned onto an M3 copy migrates first, in this order. The order is the same for the `factory`
+(Case 1 and .53) and `library` (.54) profiles. Each step is a live step that needs Mos's go. Nothing in the
+stack picks or invents a subject: the subjects come from `console.sso`, which a human prepares, and
+`accounts.json` comes only from the human verb `mosaic accounts init`.
+
+1. Check or create `.deployed` through the installer. The stack's user's `case2-install.sh` (section 6)
+   writes `<dataRoot>/.deployed` naming the instance at its step 2. It never replaces an existing one, and
+   it refuses one that is invalid or names another instance. Check it read-only:
+   `stat -c '%U %a' <dataRoot>/.deployed` prints `mosaic 444`.
+2. Prepare SSO. A human adds `console.sso` to `/srv/mosaic/.config/mosaic-dev/config.json`, with its
+   providers, their subjects and its client-secret slots, per
+   `docs/plans/2026-11-10_accounts-design.md`. Jason places the client secrets (section 9).
+3. Run `mosaic accounts init --name <name>` as `mosaic`. This is a human verb, run from a human shell and
+   never by an agent. It creates the one operator account from the configured `console.sso` subjects and
+   refuses if `accounts.json` exists. It also refuses `accounts-unsafe` when any folder above the config
+   directory is not root's or `mosaic`'s, or is group or other writable without the sticky bit (#1919).
+   Check first, read-only: every line printed by
+   `p=/srv/mosaic/.config/mosaic-dev; while [ "$p" != / ]; do stat -c '%U %a %n' "$p"; p=$(dirname "$p"); done; stat -c '%U %a %n' /`
+   names `root` or `mosaic`, and its mode has no group or other write bit unless it starts with 1 (sticky).
+   The config directory itself is `mosaic`'s with no group or other write bit. A group-writable `.config`
+   refuses on purpose; fix the mode, never the check.
+4. Provision the dedicated uid. `mosaic` must keep section 1's shape: a non-login shell, the only member
+   of its primary group, and owner of its config directory and data root. An accounts instance never runs
+   under a human or development seat uid, and never under the `webui-service.sh` user units.
+5. Re-pin with `--next-args`. Leave `/etc/mosaic-stack/dev.args` as it is. Write the new flags to
+   `/etc/mosaic-stack/dev.args.next`, root's, mode 0640: the same lines before `--`, and after `--` the
+   serve flags with `--sso` added (`factory`: `--sso --send`). For `library`, also remove the
+   proxy-preview trio (`--public-host`, `--auth-header`, `--allow-user`) and the proof pair
+   (`--proof-header`, `--proof-file`). Then run
+   `stack-upgrade.sh upgrade --instance dev --bundle FILE --sha SHA --next-args`.
+
+   A plain re-pin refuses `render-refused` here, because an installed unit must equal the render but for
+   the copy id. With `--next-args`, before anything stops, the driver checks the installed copy against
+   `dev.args` and the target as a first install from `dev.args.next`. It refuses `next-args-differ` when
+   the files differ before `--` (other than `--copy`), and `next-args-same` when they do not differ after
+   it. After the stage it moves the installed unit files into a new 0700 directory
+   `/etc/mosaic-stack/dev.replaced.XXXXXX` and renders the target as a first install. A failure from
+   there moves them back unchanged and starts the old copy again. After `confirm` passes,
+   `dev.args.next` becomes `dev.args`, and the replaced directory keeps the old unit files and the old
+   `dev.args`. The result line names the directory. Nothing removes it; root removes it by hand once no
+   rollback needs it.
+
+   To roll back past the migration, put the replaced args back as the next args and roll back with
+   `--next-args`:
+
+   ```sh
+   install -m 0640 -o root -g root /etc/mosaic-stack/dev.replaced.XXXXXX/dev.args /etc/mosaic-stack/dev.args.next
+   stack-upgrade.sh rollback --instance dev --to <old copy id> --next-args
+   ```
+
+   For `library` this is the only rollback to a copy older than M3: `case2-unit.sh` refuses `--sso` for
+   an unstamped library copy (#416), so the old copy comes back with its old flags, proxy-preview
+   admission included, as before the migration. A `factory` rollback may instead keep `--sso --send`
+   with a plain `rollback`.
+
+If a step is missing, `case2-unit.sh` refuses before it writes a unit and prints the missing steps,
+numbered in this order, for example:
+
+```text
+case2-unit: refusing the units for <sha>: a stamped copy's Console starts only with SSO accounts; missing steps, in order:
+  1. check or create .deployed: mosaic runs case2-install.sh, whose deployment step writes <dataRoot>/.deployed
+  2. prepare SSO: console.sso in mosaic's system config /srv/mosaic/.config/mosaic-dev/config.json, with its client secret slots
+  3. run `mosaic accounts init` as mosaic, a human verb: no /srv/mosaic/.config/mosaic-dev/accounts.json
+  4. add --sso to the serve flags, then re-pin
+```
+
+Without `console.sso`, the render does not check `accounts.json`, because its subjects name providers SSO
+has not configured yet. The next render after step 2 checks it. A rollback never removes accounts.json,
+its receipts or `.deployed` (`docs/plans/2026-11-10_accounts-design.md`, section 7).
+
+Precheck line: none. `stack-upgrade.sh` refuses `args-unreadable`, `console-unit-legacy`, `render-refused`,
+`next-args-differ` or `next-args-same` on any of these rules, before it stops a unit.

 ## 8. Enrollment, once per host

@@ -450,7 +528,7 @@ file with `stat -c '%U %a %n' PATH`, never `cat`. `<business>` is the host's bus
 | Path | File | Mode | Owner | Profile | Precheck line |
 |---|---|---|---|---|---|
 | `/srv/mosaic/.config/mosaic-dev/secrets/` | `claude-session.env`, one line `ZAI_API_KEY=...` | 0600 | mosaic | library | `<path> sets ZAI_API_KEY` |
-| `/srv/mosaic/.config/mosaic-dev/secrets/` | the Console's proof file, the path the args file's `--proof-file` names: one base64url line, at least 32 `[A-Za-z0-9_-]` characters, with one optional trailing LF (`packages/webui/src/serve.mjs:263-264`) | 0600 or 0400 | mosaic | library | none. Render checks metadata only and never opens the file (`scripts/case2-unit.sh:397-408`). Bad bytes refuse at Console start with exit 2 (`packages/webui/src/serve.mjs:267`, `packages/webui/src/cli.mjs:138-140`). Precheck line missing. |
+| `/srv/mosaic/.config/mosaic-dev/secrets/` | before M3 only, and an unstamped copy only: the Console's proof file, the path the args file's `--proof-file` names. A stamped copy refuses `--proof-file` (section 7). The file is one base64url line, at least 32 `[A-Za-z0-9_-]` characters, with one optional trailing LF (`packages/webui/src/serve.mjs:263-264`) | 0600 or 0400 | mosaic | library | none. Render checks metadata only and never opens the file (`scripts/case2-unit.sh:397-408`). Bad bytes refuse at Console start with exit 2 (`packages/webui/src/serve.mjs:267`, `packages/webui/src/cli.mjs:138-140`). Precheck line missing. |
 | `/srv/mosaic/.config/mosaic-dev/secrets/<business>/` | `library-gitea` | 0600 | mosaic | library | After a unit start, wait for loopback `/healthz` with the bounded retry in section 10 before `case2-precheck.sh --business <business> --library-status`: `library-last-error library-credential-missing` until it's placed, then `library <project> last fetched ...` |
 | `/srv/mosaic/.config/mosaic-dev/secrets/agents/<business>/<agent>/` | one file per service | 0600, dirs 0700 | mosaic | both | none. Filled only by `mosaic credentials issue`, or Approve after #436. Never by hand. |

@@ -108,7 +108,10 @@ configured subject (`packages/cli/src/config.mjs:141`), and
  `packages/webui/src/cli.mjs serve` from that copy. Its flag set is
  `--port`, `--business`, `--board`, `--sso`, `--send` and the header
  preview set (`webui-service.sh:98`). It has no dev-owner flag.
-  `scripts/case2-unit.sh` renders Case 2 units the same way.
+  `scripts/case2-unit.sh` renders Case 2 units the same way. At BASE its
+  library profile takes the preview set and refuses `--sso`. Under the
+  owner ruling of 2026-11-10 a stamped library copy signs in through SSO
+  accounts instead (section 6, item 5).

 ### Organizations and who may read them

@@ -1231,7 +1234,13 @@ The executable boundary:
   this instance, and accounts.json loads. The Case 1 and Case 2 installers
   write `.deployed`.
 5. **The unit renderers have no dev flag.** `webui-service.sh` and
-   `case2-unit.sh` accept no dev flag today (`webui-service.sh:98`). M3 adds
+   `case2-unit.sh` accept no dev flag today (`webui-service.sh:98`). For a
+   stamped copy, `case2-unit.sh` renders either profile, factory or library,
+   only with `--sso`, `console.sso`, a loading accounts.json and a valid
+   `.deployed`, and refuses before any write, naming each missing step. A
+   stamped library unit refuses proxy-preview admission and its proof flags:
+   proxy-preview does not apply to a stamped copy. The dev and unstamped
+   paths keep the preview set. M3 adds
   a test that pins it.

 The instance boundary, which also covers a checkout started by mistake on a
@@ -1289,13 +1298,22 @@ business file.

 ### Rollback

-Rollback keeps OIDC. Nothing in it removes `--sso` or turns sign-in off.
+Rollback keeps OIDC. Nothing in it removes `--sso` or turns sign-in off,
+except the library rollback past the migration below.

 - The supported rollback is a pinned code and config rollback: install the
  earlier stack copy with the same unit flags, including `--sso`, through
-  `webui-service.sh install --copy <earlier id>`, as the unit script
-  already describes. Leave accounts.json, its receipts and `.deployed` in
+  `stack-upgrade.sh rollback --instance NAME --to <earlier id>` for the
+  dedicated system units. The accounts instance must not use the
+  `webui-service.sh` user-unit path. Leave accounts.json, its receipts and `.deployed` in
  place. BASE code ignores them, and the next roll-forward needs them.
+- A library host rolled back to a copy older than M3 is the exception.
+  `case2-unit.sh` refuses `--sso` for an unstamped library copy (#416), so
+  that rollback renders the old copy from the args file the migration
+  replaced, through `stack-upgrade.sh rollback ... --next-args`
+  (`docs/guides/host-run-sheet.md` section 7). The old copy comes back with
+  its old flags, proxy-preview admission included, as before the migration.
+  accounts.json and `.deployed` stay in place.
 - Before the first accounts org exists, that rollback restores today's
  behavior completely. `console.sso` owners sign in as before, and FED R6
  users keep their root grants. Account-only users and pending invites stop
@@ -1450,6 +1468,9 @@ Acceptance tests, against a fake OIDC provider on port 0:
 - `--dev-local-owner` from a checkout refuses with accounts.json present,
  with `console.sso`, and with `.deployed`.
 - `webui-service.sh render` and `case2-unit.sh` refuse a dev flag.
+- For a stamped copy, `case2-unit.sh` renders a library or factory unit
+  only with `--sso` and the prerequisites, names each missing step before
+  any write, and refuses the proxy-preview and proof flags.
 - `case2-unit.sh` accepts the host run sheet's `mosaic` account fixture only
  when its shell is non-login, its primary group has no other members, and
  it owns the config directory and data root. Fixtures for a human login and
@@ -1666,6 +1687,8 @@ and draft 3 applies them. No question from draft 2 remains open.
 | May an invite bind to an email domain? | "agreed" | No domain binding. Section 4 binding, test in M6. |
 | May members read the board and write tasks? | "Similar to 1. grantable right via RBAC. Default owner R/W, member R" | The `board.read` and `task.write` rights. `member` holds `board.read` only. Section 3, slices M1, M5 and M7. |

+The library Console signs in through SSO accounts like every deployed Console; proxy-preview admission does not apply to a stamped copy.
+
 ### Choices made under the rulings

 These are decided in this draft, not open. Each one is a single reviewed
@@ -0,0 +1,450 @@
+# Credential binding for agent copies
+
+Date: 2026-11-11 UTC. Lane `org-cred-bind-design`, issue #1873.
+Status: proposed, for Jason's approval before implementation. Doc only.
+Baseline: `6415e81ee75a6783b889b67b985f61825f9a074e` (`origin/refactor`).
+All current-code citations below refer to that commit. References to other
+designs describe proposed policy, not a claim that it is implemented.
+
+## 1. Outcome and boundaries
+
+An owner can approve a credential binding for one root or project agent copy
+inside one organization. A launch uses only that copy's own secret slot,
+with verified service permissions bounded by its frozen role and the
+organization's narrower approval. No agent can bind credentials for itself
+or another agent. Missing, stale or uncertain authority refuses launch and
+credential use. Copies in other organizations remain independent.
+
+This proposes a writer, schema and enforcement changes for later slices. It
+changes no code, right, role, contract, secret or running instance. Host and
+model credentials remain on their existing grant and proxy paths. There is
+no migration of named-agent credentials, no root-wide secret binding, no
+shared token pool, and no new plugin service in the first build.
+
+Owner direction requires each non-assistant agent's credentials to stay
+inside its organization even when its definition comes from root
+(`docs/plans/2026-11-09_unified-workspace-owner-direction.md:124-131`). A3
+explicitly deferred binding and its two-org thread-copy test
+(`/mnt/storage/scratch/mosaic-lead/reports/org-a3-build.md:52,216-217`).
+
+## 2. Current behavior, traced before the proposal
+
+| Step | Current behavior and evidence |
+| --- | --- |
+| Declare requirements | `checkCredentials` accepts each known service once and validates its scope shape. Gitea uses category levels; Vikunja uses route-group verbs; host has no scopes (`packages/organization/src/role.mjs:100-143`). `admin` and `all` are outside the grantable Gitea categories (`packages/organization/src/vocabulary.mjs:187-191`). |
+| Declare a named instance | `roles.<instance>.credentials` must reference exactly the role's services, except host grants and the chief's Gitea exception when no library exists. Vikunja also requires a unique bot identity (`packages/organization/src/organization-config.mjs:50-59,124-167`). |
+| Locate the slot | `parseCredentialRef` accepts exactly one of `store`, `file` or `env`. `{store:true}` derives the file from config directory, business, agent and service; it does not accept another agent's store path. Named agents can still use external file and environment references (`packages/organization/src/credentials.mjs:23-59`). This lane proposes only the store form for copies. |
+| Resolve launch inputs | `resolveInstance` takes the entry from the validated organization, intersects tools/network/actions with limits, then returns its non-host credential references and tracker metadata (`packages/organization/src/resolve.mjs:34-69,81-95`). These limits do not compute a credential scope intersection. |
+| Load secrets | Runtime indexes references by `business/role` and sets the store root to the agents secret directory (`packages/bus/src/runtime.mjs:333-345,378-379`). `Credentials` loads those references into its private map (`packages/bus/src/credentials.mjs:130-165`). It derives its store filename from business, agent and service (`packages/bus/src/credentials.mjs:351-355`). File reads reject symlinks, wrong ownership/mode and repository/data-root placement (`packages/bus/src/credentials.mjs:357-415`). |
+| Use secrets | `Credentials.useFor` derives business and role from the session, rather than a caller-supplied target. Missing tokens refuse `credential-unavailable`; Vikunja expiry refuses `credential-expired` (`packages/bus/src/credentials.mjs:597-624`). The task adapter uses that session-bound path (`packages/tasks/src/adapter.mjs:84-88`). |
+| Issue and revoke | The broker requires a human, with an explicit tester-verb exception; it checks that the agent exists and prevents delete while ordinary or thread claims remain (`packages/bus/src/broker.mjs:6212-6225`). The credential writer reads only `document.roles[agent].credentials`; issue writes a store reference, revoke drops memory/file before writing or recording the receipt (`packages/bus/src/credential-verbs.mjs:16-51`). |
+| Record writes | The organization writer takes the shared registry lock, then the organization's history `write.lock`, validates the revision and document, records a prepared change and publishes the file (`packages/organization/src/organization.mjs:143-159,175-220,278-340`; `packages/organization/src/org-registry.mjs:73-101`). Its `pathsOnly` option records changed field paths and presence without values (`organization.mjs:276-278,324-327`). |
+| Materialize copies | Root and project entries explicitly refuse `credentials`, `tracker`, `identity`, `publish`, `holder` and `hosts` (`packages/organization/src/agent-levels.mjs:18-41,53-59,105-115`). Copy names preserve root names or append project names. Collisions refuse both claimants; org instances shadow copies. Every required non-host service makes a copy `unbound` (`packages/organization/src/agent-copies.mjs:36-53,73-104`). An unbound copy never joins the role map and launch refuses `credential-unbound`, naming missing services (`agent-copies.mjs:223-245,279-287`; `packages/cli/src/launcher.mjs:361-375`). |
+| Guard launch races | Launch checks against a fresh organization revision, then final `request.admission` compares it again after async preparation (`packages/cli/src/launcher.mjs:357-364,802-813`; `packages/bus/src/runtime.mjs:636-661`). This revision covers organization bytes, not role file bytes. A3 records that limitation explicitly (`/mnt/storage/scratch/mosaic-lead/reports/org-a3-build.md:215`). |
+
+Important limit: validating a slot reference does not prove the remote
+token's permissions. For non-host/non-model services, `Credentials.#format`
+checks token syntax and length, not remote scopes
+(`packages/bus/src/credentials.mjs:448-451`). Existing Gitea minting has a
+fixed seat scope list, not a per-copy intersection
+(`packages/bus/src/gitea-grant.mjs:27-30,262-269`). Vikunja startup has
+specific negative permission probes, not a complete per-composition scope
+proof (`packages/tasks/src/startup.mjs:30-55`). The new build must close
+these gaps for copies; a JSON field that asserts scopes is insufficient.
+
+## 3. Choice and storage
+
+Considered three approaches:
+
+1. Add credentials to root/project definitions. Rejected: a root definition
+   would carry a per-org concern and invite cross-org reuse.
+2. Write synthetic copies into `roles`. Rejected: this conflicts with org
+   shadowing and turns a boot copy into a persistent named instance.
+3. Add an org-local binding overlay and reuse the existing per-agent store.
+   Recommended. It keeps copy definitions secret-free, preserves shadowing,
+   and gives bindings the same revision fence as other org settings.
+
+The authoritative metadata lives in the existing organization file,
+`<configDir>/businesses/<org>.json`, under a proposed top-level
+`copyBindings` key. It is not written into `agents.json` or `roles/`.
+An absent key means no bindings. The writer stores one record per concrete
+copy instance; the example below is illustrative schema, not current JSON:
+
+```json
+"copyBindings": {
+  "writer.site": {
+    "copyId": "<random 128-bit lowercase hex>",
+    "orgIncarnation": "<registry incarnation>",
+    "source": { "level": "project", "name": "writer", "project": "site" },
+    "definition": { "ref": "org:release-writer", "rev": 3, "sha256": "<digest>" },
+    "generation": 1,
+    "state": "bound",
+    "services": {
+      "gitea": {
+        "slot": "self",
+        "scopes": ["read:repository"],
+        "resources": { "projects": ["site"] },
+        "rotateBy": "2026-12-01",
+        "grantId": "<opaque service grant id>",
+        "grantGeneration": 1
+      }
+    },
+    "decision": "<authority decision id>"
+  }
+}
+```
+
+`slot: "self"` means exactly `(org, concrete instance, service)`. It is a
+selector for today's derived slot, not an arbitrary string slot name. The
+record contains no path, environment name, token, token fragment or token
+hash. Grant ids identify authorization records, never encode token bytes.
+Secret values stay exclusively in the existing private credential store
+and trusted service-call memory, never in metadata, evidence, bundles,
+decision text or errors. The symbolic paths in this design describe source
+architecture; runtime responses never emit resolved host paths.
+
+`source` includes the level and original name/project, so dotted-name
+collisions cannot silently attach an old binding. `copyId` is created on
+first approval and retired on fire, shadowing, source removal or replacement.
+`generation` increases for every binding change or revocation and never
+resets while that copyId exists. An unbound tombstone remains after unbind.
+A new copyId never adopts an old slot file. Name reuse requires verified
+old-slot cleanup and newly verified credentials before activation.
+
+For a root copy, source.project is null and its definition is the frozen
+root definition identity. For a project copy it names the org definition
+or template identity. A definition hash includes composition and contract;
+the applicable instruction/personality revision is pinned too. Import
+provenance (`from.sha256`) is not the customized definition's current hash.
+
+Vikunja metadata additionally contains the existing bot identity shape
+(`tracker: {bot, botId}`) at the copy record level. It must pass the same
+org-wide uniqueness check as named instances, including other copies.
+No service binding implicitly grants identity, publication, host enrollment
+or project access. Existing identity/publish requirements remain separate.
+
+### Writer and lock order
+
+Extend `organizationWriter` with dedicated trusted methods
+`applyCopyBindingDecision` and `revokeCopyBinding`; names are proposed API.
+Only the authenticated broker/Console owner path invokes these methods.
+Generic document writes and root/project writers must reject changes to
+`copyBindings`, even if a submitted document validates. An actor string,
+decision id or hash supplied by an agent is never authorization.
+
+Reuse the shared registry lock `<configDir>/org-runtime.lock`, then the
+organization lock `<configDir>/businesses/.history/<org>/write.lock`.
+Do not introduce a second competing metadata file or lock. Reuse the
+writer's revision conflict, prepared/committed receipt and paths-only
+evidence machinery. Under the locks, establish fresh active org incarnation,
+owner identity, expected document revision and decision digest. Perform
+the final checks in the publication critical section, not only in HTTP.
+
+Do not hold filesystem locks across remote service calls or waits for runs
+to stop. Before such work, persist a non-active pending operation with a
+unique id and expected generations. Reacquire the locks, re-read and compare
+all identities before publishing. A competing write invalidates preparation.
+Use the same operation id for idempotent recovery; a prepared or uncertain
+operation cannot produce a usable binding or resurrect the prior token.
+
+## 4. Authority, decisions and deployed ownership
+
+Use the existing grantable `org.hire` right as the authority-change entry
+right. It already exists, defaults to owner yes/member no, and maps
+`hire.resolve.console` to `org.hire`
+(`packages/organization/src/org-rights.mjs:6-26,67-69`). Do not add an
+`org.credentials` right that would imply delegable token-grant authority.
+
+The right is necessary but not sufficient: any decision containing a
+credential line requires the current owner of the target org, even if a
+member holds `org.hire` or `decide`. Map credential resolution to an
+explicit owner check as well as the right check, rechecked at commit.
+The owner-only credential read stays owner-only; `board.read` gets at most
+the existing copy's missing-service status, never a binding record.
+
+Bind and unbind are **authority-change decisions**, represented by the
+hire model's `op: "change"`, with a binding-specific payload. The
+decision names source, copyId (or new-copy proposal), org incarnation,
+definition revision/hash, before/after service scopes and resources, and
+expected binding generation. The broker computes credential lines and
+the whole-decision digest. Approval consumes the decision once. Dropping,
+narrowing or replacing a line invalidates the old digest and requires
+confirmation of the new digest; widening always raises a new decision.
+
+This reuses hire-as-a-decision instead of creating a second approval
+model. It follows the roles-and-rails design's credential ruling,
+owner restriction, digest, seven-day expiry, one-step human-originated
+decision, and post-approval binding steps
+(`docs/plans/2026-11-10_roles-and-rails-design.md:35,232-310`). The chief
+may propose a binding only through that decision path, never by naming a
+slot, supplying a token or calling the writer. Other agents cannot raise
+this authority-change subtype. No agent resolves it, including the chief,
+an arbiter, its subject, or a different copy of the same definition.
+
+This is an authority change under system rails R1, R5, R7 and R8 and the
+role's credential rail. Default autonomy is **in the loop**. As required by
+the existing design, credential bindings do not move to near or out of the
+loop at all without a new owner ruling
+(`docs/plans/2026-11-10_roles-and-rails-design.md:90-119,416-425,445-463`).
+Unbind uses the same human decision record, including a one-step
+owner-originated decision. Emergency **revoke** remains an owner-only
+immediate verb: it only removes use, must not wait for a chief proposal,
+and records the authority reduction. Revoke never issues a token or changes
+an unbound binding to bound.
+
+A root-level definition change still needs the instance owner. Binding one
+root copy inside org O needs O's owner and grants nothing in another org.
+Being an instance operator or root-business owner alone does not make a
+person O's owner. Accounts design separates these principals explicitly
+(`docs/plans/2026-11-10_accounts-design.md:314-349`). No account-only session
+falls back to a human/root transport. All Console mutations retain Origin,
+session, fresh ownership and confirmation fences.
+
+The host remains the trust boundary. Host root and the instance uid can
+already change the instance and its secrets; this proposal does not claim
+protection from either, or from a sandbox escape to that uid. The deployed
+instance uid must remain separate from human/development seats
+(`docs/plans/2026-11-10_accounts-design.md:887-936`).
+
+## 5. Permission calculation and proof
+
+For every service V, compute:
+
+`effective(V) = role-declared(V) intersect org-approved-binding(V)`.
+
+The binding is the org's per-copy narrowing. Omitted services are unbound,
+not permission to use another source. Unknown services/scopes refuse; they
+are never ignored. The requested scopes must already be a subset of the
+role. Do not silently trim a broader request and report that it succeeded.
+Resources also intersect the org's current admitted project set and the
+copy's union. A project copy may access its project only. A root copy may
+access only the approved projects that still admit it. An empty intersection
+allows no service operations and leaves a required service unbound.
+
+Scope comparison is semantic: Gitea read is narrower than write in the same
+category, categories are independent, and neither admin nor all is allowed.
+Vikunja compares each route-group/verb pair. Missing categories/groups mean
+no permission; there is no wildcard. All adapters must apply their service's
+registered semantics, never compare scope strings lexicographically.
+
+### At proposal, approval and bind
+
+1. Resolve the concrete copy from the target org's boot snapshot and current
+   project union. Refuse missing, shadowed, colliding, excluded or fired
+   copies. Never create `roles[copyName]` to make the operation succeed.
+2. Validate the role through the core composition validator and current
+   enabled registry. Read T1's definition revision/hash, or the frozen root
+   role identity. Verify org active state and incarnation. Compute all
+   credential lines from these inputs, not from chief-supplied summaries.
+3. Check every requested service/scope/resource against that definition and
+   org. Verify the resolver is the fresh org owner. The owner cannot override
+   a system rail or widen a binding past the approved role; changing the role
+   requires its own approved change first.
+4. Obtain a dedicated service credential for this exact org/copy/service.
+   Trusted service adapters must establish both token scopes and remote
+   identity resource grants. Prove the allowed projects/repos at the service,
+   not just a local `resources` list. A root-wide or cross-org bot account is
+   unacceptable even if its token is stored in a per-org directory.
+5. Accept a token only after trusted live introspection verifies its scopes,
+   service account, permitted resources and expiry against this operation,
+   or after a reviewed managed mint path produces and verifies that exact
+   bounded grant. An owner-entered assertion, copied grant id, token format,
+   or a few successful/negative probes are not proof of complete permissions.
+   If the service/version cannot prove the bound, refuse
+   `credential-scope-unverified`. Ship that refusal rather than an unsafe
+   compatibility mode. This is a required service-adapter build item.
+6. Stage the secret privately in the existing store with the binding inactive.
+   Recheck decision digest, definition hash, org incarnation, document
+   revision and slot generation after remote work. Only then commit the
+   metadata/receipt. A grant record binds the opaque grant id, copyId,
+   incarnation and generation to the issued slot. It stores no secret or
+   token-derived digest. Ambiguous crash recovery keeps use closed and
+   requires a new verified issue if exact provenance cannot be established.
+
+Gitea's existing fixed `SEAT_SCOPES` must not be reused for a read-only role.
+Vikunja needs a reviewed verifier for the complete route-group scope set
+and bot/project access. Until each adapter exists, that service's copy
+binding refuses. Do not claim the existing named-agent path provides this
+proof. Extending remote minting beyond its current approved envelope is a
+separate protected change, identified in slice CB2 below.
+
+### At launch, restart and every use
+
+The first build uses the existing restart model for **new references**.
+Approval may record a binding, but it is not usable until the org bus
+restarts and verifies it. Surface `restart-required`, not a successful
+launch. Today reference/bot changes already require restart
+(`packages/bus/src/runtime.mjs:547-583`). Do not add live reference reload
+in the first slice. Revocations take effect immediately and never wait
+for this restart.
+
+On boot and every launch, re-resolve the effective role and binding,
+validate source/copyId/incarnation/generation, and obtain fresh trusted
+service scope/resource proof for the actual slot contents. If verification
+is unavailable, launch refuses. All required services must be bound and
+available. Bindings may be approved incrementally, but partial success
+cannot launch. A stale file alone never counts as a binding.
+
+Preserve A3's organization revision fence. Add a separate launch authority
+digest over frozen definition identity, copyId, org incarnation, binding
+generation and verified grant generation. Do not redefine the writer's
+document revision. Carry both into final admission and `bindLaunch`, and
+bind the admitted generations to the session. A pending revocation blocks
+admission, including the interval between final admission and spawn/bind.
+If a child was spawned before revocation won, deny its capability and stop
+it; it must perform no credential call. Do not release a launch fence on an
+uncertain outcome until that child is confirmed stopped.
+
+At every credential-bearing operation, check session org/instance, active
+incarnation, effective scopes/resources, binding/grant generation and slot
+liveness before any external request. Derive the slot from the session,
+never from request arguments or thread text. Raw tokens and credential file
+paths do not enter sandboxes. The trusted service adapter checks each
+method/resource as well as token permissions. Constrain outbound destinations
+to the approved service origin and reject redirects carrying authorization
+to another origin. Operation completion rechecks the generation before
+publishing its result. Unknown or stale state refuses closed.
+
+## 6. Lifecycle and running copies
+
+All transitions below close credential admission first, invalidate affected
+session generations, then stop **all** affected ordinary and thread runs.
+Serialize close versus new admission so a concurrent launch cannot escape
+the stop inventory. Abort cancellable service calls and wait for all held
+uses to settle before slot deletion or replacement. A completed external
+write cannot be undone; report that limit, never call local revoke a remote
+rollback. Existing non-host `Credentials.use` does not provide the host-key
+abort behavior, so generalizing the use fence is required, not assumed
+(`packages/bus/src/credentials.mjs:556-569,618-653`).
+
+| Event | Durable outcome and effect on a running copy | Next launch/use |
+| --- | --- | --- |
+| Unbind service | Owner-approved change bumps generation, records unbound tombstone, closes use, stops every run of that copy, revokes/removes its slot. Never retain a reusable token behind an inactive binding. | `credential-unbound`: `credentials.gitea needs an owner-approved binding.` |
+| Emergency revoke | Owner verb immediately closes use, bumps generation, stops all copy runs and performs local revoke. A managed remote grant is also revoked through its approved adapter. Keep tombstone; reissue needs a fresh decision and verification. | `credential-revoked`: `credentials.gitea was revoked; the owner must approve a new binding.` |
+| Slot removed or altered outside the writer | A slot liveness/identity check at use and launch refuses even if memory still holds the token. Mark binding unavailable, invalidate session use and stop its runs. Never fall back to cached memory, environment or another slot. Replacement is a newly verified issue. | `credential-unavailable`: `credentials.gitea is unavailable; the owner must verify the slot.` |
+| Expiry or upstream revocation | Local expiry checks and service authentication failure close the binding, invalidate use and stop runs. Rotation is a new verified slot generation and owner-approved change; no in-place replacement behind active uses. | `credential-expired`: `credentials.vikunja has expired; the owner must approve a replacement.` Upstream revoke uses `credential-revoked`. |
+| Role/definition changed | Any role identity/hash/revision mismatch closes use and stops affected copies. Do not inherit old credentials even for equal service names. A narrower role requires new bounded service proof; a wider role requires approval first and fresh binding. T1 blocks edits of an in-use definition until the change-decision path exists. | `credential-role-changed`: `credentials.gitea no longer matches the approved definition; the owner must review the binding.` |
+| Copy fired, source removed, excluded or shadowed | Close use, retire copyId, stop every run, revoke slots and delist the copy. Preserve run/trail evidence. A newly shadowing named instance must not load the old copy's file at the identical slot name. Require cleanup before it can use that name. | `copy-unavailable`: `copy is no longer active in this organization.` |
+| Copy-name collision | Refuse attaching either binding. If introduced while running, close affected use and stop both claimants. No first-wins fallback. | `copy-refused`: `copy identity is ambiguous; the owner must resolve the definition collision.` |
+| Organization archived | Close the org's admission, invalidate its running sessions and stop every org run before archive completes. Revoke all copy service slots and mark bindings unbound. Restore preserves definitions but requires fresh binding decisions. Never affect another org's runs or slots. | `org-archived`: `organization is archived.` After restore, `credential-unbound`. |
+| Organization deleted | Close all admission/use and stop every org run, revoke managed remote grants and local slots before the existing quarantine flow. Preserve evidence/tombstones in deletion evidence. A new org with the same id has a new incarnation and no inherited bindings. | `org-unavailable`: `organization is not active.` Recreated org starts unbound. |
+| Revoke/stop/cleanup uncertain | Persist a non-usable pending-revocation state and keep the affected copy or org fenced. Do not publish success or restore memory on write failure. Retry with the same operation id. Remote revocation uncertainty remains visible to the owner. | `credential-revoke-failed`: `credentials.gitea revocation is incomplete; the owner must retry cleanup.` |
+
+These archive/delete effects are proposed extensions. Current archive stops
+the bus and marks the registry archived; deletion quarantines org runtime,
+document/history and org secret trees, while its receipt says remote-side
+revocation is out of scope (`packages/organization/src/org-service.mjs:239-267,332,343-347`).
+The new build must explicitly test and add copy-run and copy-grant cleanup;
+it cannot infer it from a stopped bus.
+
+Refusal codes in this section are proposed public contracts where new.
+Use `human-required` with `Only the organization owner can approve credential
+binding.` for an agent/member mutation, `credential-not-yours` with
+`credentials.gitea must use this copy's own organization slot.` for a wrong
+slot, `credential-scope-exceeded` with `credentials.gitea.scopes exceeds the
+approved role.` for excess scopes, and `credential-scope-unverified` with
+`credentials.gitea permissions could not be verified.` for missing proof.
+`credential-binding-changed` says `credentials.gitea changed; read and approve
+again.` for stale generation; `organization-changed` retains the existing
+document-race code. Validation errors name field positions such as
+`copyBindings entry 1 services field`, not untrusted submitted keys.
+
+All new boundaries allow only registered service/field labels and fixed
+remediation text. Never interpolate a submitted value, resolved path, raw
+service error, URL, bot name, secret, token hash or token fragment into an
+error, receipt or trail. New metadata serializers use an allowlist and
+paths-only receipts. Scan human text with the existing secret scanner and
+fixed field-size limits; arbitrary unknown keys refuse with a fixed field
+label. Metadata holds only validated ids, known scope names and bounded
+dates/integers. The scope is every new copy-binding surface, consistent
+with the brief's #1916/#1920 requirement, without changing unrelated legacy
+diagnostics. Neither reviewer nor implementer needs live secrets to test it.
+
+## 7. Two organizations and identity reuse
+
+Example acceptance fixture: org A and org B both materialize root `writer`
+from the same creative template. A's binding selects `(A, writer, gitea)`;
+B's selects `(B, writer, gitea)`. Each uses a dedicated remote bot/token whose
+resources exclude the other org. B cannot select A's slot or reuse A's grant
+record. A path restriction alone would not prevent a token with both orgs'
+remote grants, so service proof must check those grants too.
+
+Enforce isolation at all of these independent boundaries:
+
+1. Console resolves the target org from the authorized route and fresh
+   ownership, not a body-supplied org or an instance-wide owner flag.
+2. The writer derives its org and slot from that context and binds the
+   metadata to the registry incarnation. A copied record from A has the
+   wrong incarnation in B and refuses before opening any slot.
+3. Copy source tuple, copyId and definition digest must match B's materialized
+   copy. A root definition carries no binding to propagate.
+4. Credential loader derives the slot, enforces private regular-file rules,
+   rejects alias/symlink/hardlink substitution for copy slots and verifies
+   remote grant ownership. Reject nlink other than one for these slots.
+5. Every use derives org/instance from the authenticated session and checks
+   the active binding generation. A thread, room or caller-supplied instance
+   cannot choose the key. Session and grant records cannot cross buses.
+6. Archive/delete touches only that incarnation's resources. A failed cleanup
+   never makes credentials valid for a later org or copy with the same name.
+
+Registry incarnation is a dependency of accounts design
+(`docs/plans/2026-11-10_accounts-design.md:501-514`). The binding build must
+use that stable value; if the target baseline lacks it, land an explicitly
+approved incarnation slice first. Do not substitute timestamps, a pathname
+or an org id alone. The dedicated store layout remains unchanged.
+
+## 8. T1 dependency and implementation slices
+
+T1 is in flight. Its brief is
+`/mnt/storage/scratch/mosaic-lead/uidev/org-release/T1-BRIEF.md`. This design
+depends on its org-local definitions, `org:` resolver, revision/hash read,
+composition validation and in-use definition guard, as specified in
+roles-and-rails sections 4 and 5
+(`docs/plans/2026-11-10_roles-and-rails-design.md:157-170,186-228`). Do not
+patch T1's files in this lane. Project copies use those org definitions;
+root copies keep a frozen root identity. Supporting root-local customized
+definitions waits for that resolver to exist, rather than inventing another
+definition format here. A4 supplies the authority-change decision engine;
+this build extends it, rather than shipping a temporary direct bind verb.
+
+Every slice below is a later proposal requiring Jason's approval before
+work. Each ends with focused tests plus affected organization, business,
+bus, CLI and Console suites. No slice edits `roles/` or `contracts/`.
+
+| Slice and dependencies | Build and acceptance evidence | Protected changes needing approval |
+| --- | --- | --- |
+| CB0: identity foundation, after T1/accounts | Reuse incarnation or add its approved missing support. Define copyId, source/hash pin and binding generation semantics. Pure resolver tests cover identical root copies across two orgs, project dotted-name collisions, org shadowing, removed/recreated org and source-name reuse. No secret read and no launch enabled. | Org schema; registry schema only if incarnation is absent. No new rights or role files. |
+| CB1: metadata and decisions, after CB0/A4 | Add `copyBindings`, guarded organization writer, owner-only credential subtype under `org.hire`, digest/expiry/single-consumption and paths-only receipts. Tests: owner binds/unbinds; member with org.hire/decide, chief, arbiter, subject agent, tester and reader all fail to resolve/write; agent may not call raw writer; only chief agent can propose; stale revision/digest/generation, expired approval, replay, wrong incarnation and generic write injection have no activation. Pending/partial binding never launches. | Organization and decision payload schema; `VERB_RIGHTS`/owner dispatch changes even though no new grantable right. Approval explicitly covers the reuse of org.hire with the owner restriction. |
+| CB2: verified service slots, after CB1 | Reuse self-only store and dedicated bot identity; add complete Gitea/Vikunja verification or exact bounded mint adapters. Tests use fake services for narrower/equal/broader scopes, read/write hierarchy, extra route verbs, unrelated repos/projects, reused foreign bot/grant, opaque/unverifiable token, wrong date, symlinks/hardlinks, stale file and token replacement. No request, path or token enters metadata/evidence; lost replies and crash points remain inactive. A live scratch-service acceptance must prove each service/version's permission verifier before that service enables copy launch. | Credential handling/security boundary; grant metadata schema and any remote mint/revoke envelope changes. No automatic reuse of existing fixed Gitea seat scopes. |
+| CB3: admission and use, after CB2 | Materialize only verified bound copies; new references visibly need restart. Check document revision plus separate authority digest at prepare, final admission and bindLaunch. Session-bound adapter checks every operation and slot liveness. Race tests mutate role hash, org bindings, token contents or admitted projects during async prepare and between admission/spawn/bind/use. Assert no admitted credential call, including an empty project manifest. Concurrent revoke denies new work; no cached-token fallback after unlink. | Launcher/broker credential enforcement boundary; session/launch authority fields and any store schema needed to persist fences. No live reference-reload policy. |
+| CB4: lifecycle and recovery, after CB3 | Test unbind, emergency revoke, slot removal, expiry, role change, fire, collision, shadowing, archive/restore, delete/recreate. Each closes admissions, invalidates ordinary and every thread run, aborts or drains uses, and denies later calls. Inject failures before/after metadata publication, secret staging, remote revoke, stop acknowledgement and receipt write; restart never resurrects authority. Include named-instance shadowing over a former copy's slot. Other org continues. | Credential/revocation and org lifecycle boundary; durable pending-operation schema. Existing deletion quarantine must not silently claim remote revoke. |
+| CB5: two-org thread acceptance and operator flow, after CB4 | Finish A3's deferred test with a shipped Gitea-requiring creative thread role in both orgs. Approve independent verified bindings; boot real buses and use fake harness/service, create one thread/session per org, launch both, write/read records, reopen each. Assert distinct session/run/trail/workspace and slot identities, no A record visible in B, no B request uses A's token, and B survives A revoke/archive/delete. Reject raw A binding/grant replay in B. Operator flow shows computed scope lines, confirmation, missing service, restart and remediation states, with sentinel redaction tests on every response/event/log. No screenshot gate for this doc lane. | Console mutation/decision flow; no further right or role changes. Any discovered schema delta returns to approval before build. |
+
+Existing regressions to retain include organization `credentials.test.mjs`,
+`role.test.mjs`, `agent-copies.test.mjs`, `instance-credential-transitions.test.mjs`,
+bus `credential-store.test.mjs`, `credential-verbs.test.mjs`,
+`agent-copies.test.mjs`, and CLI `thread-launch.test.mjs` and
+`launcher-final-race-probe.test.mjs`. Add meaningful new focused tests for
+the guarantees above; merely checking the proposed JSON shape is inadequate.
+
+Acceptance samples for this document are the seven brief requirements:
+storage/writer/locks in section 3; right/rail/decision in section 4;
+role ceiling and verification in section 5; lifecycle/code/text in section 6;
+two-org enforcement in section 7; tests/slices/protected changes in section 8;
+and at most three owner questions below. No visual samples apply.
+
+## 9. Questions for Jason, with recommendations
+
+1. Approve `org.hire` as the entry right while keeping every credential
+   binding/unbinding approval owner-only? Recommend yes: it matches the
+   existing hire decision model and does not grant members token authority.
+2. Approve the overlay schema and CB0-CB5 security changes, including complete
+   service scope/resource proof as a prerequisite and restart for new
+   references? Recommend yes. A service without a verifier stays refused;
+   implement Gitea first if its verifier is ready before Vikunja's.
+3. On archive/restore, discard copy credentials and require fresh bindings?
+   Recommend yes. It adds setup on restore, but avoids keeping dormant
+   usable grants and gives archive one clear revocation meaning.
+
+These are recommendations, not approvals. The Lead takes this design to
+Jason. No implementation or rollout is authorized by this document.
@@ -9,7 +9,7 @@ import { initializeControl, processingStatus } from '../../processing-control/sr
 import { NAME as HARNESS_NAME } from '../../plugins/src/kinds.mjs';
 import { loadRequirements } from '../../tasks/src/requirements.mjs';
 import { MERGE, LandingRefusal, readLanding } from './landing.mjs';
-import { ID_PATTERN, THREAD_DEFINITIONS, END_PROTECTED, forkProblem, forkUrl, credentialKind, validArgv, commandAllowed, HOST_ID, CREATIVE_DEFINITIONS, unhireableAction, giteaName, parseGiteaUrl, covers, grantScopeOf, grantInScope } from '../../organization/src/vocabulary.mjs';
+import { pluginName, ID_PATTERN, THREAD_DEFINITIONS, END_PROTECTED, forkProblem, forkUrl, credentialKind, validArgv, commandAllowed, HOST_ID, CREATIVE_DEFINITIONS, giteaName, parseGiteaUrl, covers, grantScopeOf, grantInScope } from '../../organization/src/vocabulary.mjs';

 // Kept closed while S1 lands; its vocabulary is the integration authority.
 export const ACTIONS = Object.freeze([
@@ -43,6 +43,7 @@ export const ACTIONS = Object.freeze([
  // Row 194 (#1692): routed under PRD 1.7 REQ-COS-3, below.
  'role.hire',
  'role.fire',
+  'role.change',
  'credential.mint',
  'spend',
  'deploy',
@@ -85,6 +86,7 @@ const ROUTED = new Set([
  // PRD 1.7 REQ-COS-3 (row 194, #1692): the chief's hire and fire, within the bounds the broker checks.
  'role.hire',
  'role.fire',
+  'role.change',
  // PRD 1.16 REQ-WAIT-3 and REQ-LIB-6 (row 285, #1790): a creative agent's library write.
  'library.write',
 ]);
@@ -172,7 +174,7 @@ export const USER_VERBS = Object.freeze(['project.list', 'thread.create', 'threa
  'thread.share', 'thread.unshare', 'thread.shares']);
 // Row 252 (#1753, design sections 2-3): the only verbs a Console owner cap reaches. Every other verb
 // refuses it human-required before its own checks, and these refuse every other cap.
-export const CONSOLE_VERBS = Object.freeze(['system-types.console', 'project.remote.get.console', 'project.remote.set.console', 'request.workspace.console', 'request.artifact.console', 'decision.preview.console', 'decision.resolve.console', 'prd.revoke.console', 'request.mode.console', 'request.draft.console',
+export const CONSOLE_VERBS = Object.freeze(['system-types.console', 'project.remote.get.console', 'project.remote.set.console', 'request.workspace.console', 'request.artifact.console', 'decision.preview.console', 'decision.resolve.console', 'hire.preview.console', 'hire.resolve.console', 'hire.start.console', 'hire.templates.console', 'prd.revoke.console', 'request.mode.console', 'request.draft.console',
  // Task 3 (#1839): and the owner's intake controls. The reads and writes are the same lifecycle methods the PM's
  // unsuffixed verbs reach, with the owner's verified (provider, iss, sub) as the only caller; the PM-only
  // request.question and the PM's own reads keep their unsuffixed names and refuse a console cap.
@@ -193,6 +195,15 @@ const userLevel = (verb) => (VIEWER_VERBS.includes(verb) ? 'viewer' : 'collabora
 export const BOARD_VERBS = Object.freeze(['inbox', 'agents', 'thread.claims', 'tasks', 'trail', 'decisions', 'credentials', 'replies', 'messages', 'state', 'usage']);
 // The person's task-store writes, distinct from the agent's singular task.* actions.
 export const PERSON_TASK_VERBS = Object.freeze(['tasks.create', 'tasks.edit', 'tasks.archive', 'tasks.unarchive', 'tasks.delete']);
+// #1873 T1: the human's definition writes, each with its [allowed, required] argument keys. Kept here,
+// not imported, as the sandbox client loads this file; runtime.mjs maps each verb to the verb module
+// (organization/src/definition-verbs.mjs names the same four, and a test holds them equal).
+export const DEFINITION_BUS_KEYS = Object.freeze({
+  'definition.import': [['revision', 'template', 'as'], ['revision', 'template']],
+  'definition.invent': [['revision', 'name', 'definition'], ['revision', 'name', 'definition']],
+  'definition.edit': [['revision', 'rev', 'name', 'definition'], ['revision', 'rev', 'name', 'definition']],
+  'definition.remove': [['revision', 'rev', 'name'], ['revision', 'rev', 'name']],
+});
 // Row 175: the organization verbs a tester may call. Its writes run every check the human's do
 // and log actor `tester`; row 176 adds routes reads; limits.set, organization.set and organization.revision refuse it.
 export const TESTER_ORGANIZATION_VERBS = Object.freeze(['limits', 'plugins', 'instances', 'plugins.set', 'instances.set', 'routes.set', 'routes']);
@@ -217,14 +228,6 @@ const LIFECYCLE_CODE = /^[a-z-]{1,64}$/;
 // Row 194 S6 (D2.2): the stop outcomes a fire's lifecycle.done reports, each written as its own event.
 const FIRE_STOPS = ['killed', 'alive'];
 const BOT_NAME = /^bot-[a-z0-9][a-z0-9._-]{0,60}$/;
-// Row 194 (#1692, D2.1, D2.2, PRD 1.7 REQ-COS-3): the chief's hire and fire arguments, allowed then
-// required. Each carries the reason the log records.
-const HIRE_FIRE_ARGS = Object.freeze({
-  'role.hire': [['name', 'definition', 'vars', 'reason'], ['name', 'definition', 'reason']],
-  'role.fire': [['name', 'reason'], ['name', 'reason']],
-});
-// N3: hire's vars hold only the model key and limits.* keys. The writer checks the values.
-const HIRE_VAR = (key) => key === 'model' || key.startsWith('limits.');
 // What instance.request and the host ops answer about a request.
 const lifecycleView = (r) => ({
  request: r.request, action: r.action, instance: r.instance, by: r.by, at: r.at, state: r.state,
@@ -533,7 +536,7 @@ function checkBusiness(name, b) {
    if (!object(a) || !Array.isArray(a.withinRole) || !Array.isArray(a.crossRole))
      fail('invalid-authority');
    const all = [...a.withinRole, ...a.crossRole];
-    if (new Set(all).size !== all.length || all.some((v) => !ACTIONS.includes(v) || GATED.has(v)))
+    if (new Set(all).size !== all.length || all.some((v) => (!ACTIONS.includes(v) && !pluginName(v)) || GATED.has(v)))
      fail('invalid-authority');
  }
  if (!Object.hasOwn(b.roles, b.arbiters.technical) || !Object.hasOwn(b.roles, b.arbiters.delivery))
@@ -593,6 +596,8 @@ export class Broker {
  #builtin;
  #builtinBinding;
  #organization;
+  #hires;
+  #pluginService;
  #credentialVerbs;
  #proxyInit;
  #proxyPage;
@@ -655,7 +660,7 @@ export class Broker {
  #processing;
  #taskTracker;
  // credentialStatus is the runtime's metadata-only Credentials.status(); the broker never gets use().
-  constructor({ store, businesses, secretCheck = () => {}, credentialStatus = () => [], organization = null, project = null, library = null, usage = null, limits = null, harnessOn = null, credentialVerbs = null, proxyInit = null, proxyPage = null, hostGrant = null, hostKeys = null, processing = null, testerOn = null, grantScope = null, roleFile = null, giteaGrant = null, giteaKeys = null, access = null, accessStamp = null, compactions = null, requestLifecycle = null, requirementsHost = null, workspaceRead = null, taskTracker = null }) {
+  constructor({ store, businesses, pluginService = null, secretCheck = () => {}, credentialStatus = () => [], organization = null, hires = null, project = null, library = null, usage = null, limits = null, harnessOn = null, credentialVerbs = null, proxyInit = null, proxyPage = null, hostGrant = null, hostKeys = null, processing = null, testerOn = null, grantScope = null, roleFile = null, giteaGrant = null, giteaKeys = null, access = null, accessStamp = null, compactions = null, requestLifecycle = null, requirementsHost = null, workspaceRead = null, taskTracker = null }) {
    if (!object(businesses) || !Object.keys(businesses).length) fail('invalid-business');
    // Row 194 b15 (sage-2501): the function-argument checks come before anything reads the store.
    if (harnessOn !== null && typeof harnessOn !== 'function') throw new TypeError('harnessOn must be a function');
@@ -678,6 +683,8 @@ export class Broker {
    this.#secretCheck = secretCheck;
    this.#credentialStatus = credentialStatus;
    this.#organization = organization;
+    this.#hires = hires;
+    this.#pluginService = pluginService;
    // Row 199: the runtime's credential lifecycle (credential-verbs.mjs); it holds the store, not the broker.
    this.#credentialVerbs = credentialVerbs;
    this.#proxyInit = proxyInit;
@@ -1550,6 +1557,11 @@ export class Broker {
  // agent-copies.mjs copyRefusal; inlined because this module also loads in the sandbox client).
  #copyRefused(b, instance) {
    const copy = b.copies && Object.hasOwn(b.copies, instance) ? b.copies[instance] : null;
+    if (b.roles[instance]?.unbound?.length) throw new BusError('credential-unbound', `${instance} has no binding for ${b.roles[instance].unbound.join(', ')}`);
+    if(copy?.level==='root') {
+      const refusal=this.#hires?.rootRefusal ? this.#hires.rootRefusal(copy.name) : this.#hires?.rootActive && !this.#hires.rootActive(copy.name) ? 'instance-fired' : null;
+      if(refusal)fail(refusal);
+    }
    if (!copy || copy.state === 'instance') return;
    if (copy.state === 'unbound') throw new BusError('credential-unbound', `${instance} has no binding in ${b.id} for ${copy.missing.join(', ')}`);
    throw new BusError(copy.project === null ? 'copy-refused' : 'project-refused', `${instance} can't launch in ${b.id}: ${copy.reason}`);
@@ -1837,6 +1849,7 @@ export class Broker {
    if (s.tester) fail('tester-refused');
    if (s.reader) fail('read-only');
    if (s.human) fail('agent-required');
+    this.#copyRefused(this.#business(s.business),s.role);
    const h = this.#own(s);
    if (h?.op !== 'claim' || (s.thread ? h.generation !== this.#runGeneration(s) : h.holder_run !== s.run))
      fail(this.#launcherReleased.has(s.business + ':' + s.run) ? 'launcher-released'
@@ -2151,6 +2164,13 @@ export class Broker {
  }
  bindLaunch(record) {
    const { key, session, old, body } = this.#launchProof(record);
+    const launchRole=this.#business(record.business).roles[record.role];
+    const pluginCapability=[...(launchRole.tools ?? []),...(launchRole.authority?.withinRole ?? []),...(launchRole.authority?.crossRole ?? []),...Object.keys(launchRole.credentials ?? {})].find(pluginName);
+    if(pluginCapability) {
+      if(!this.#pluginService)throw new BusError('plugin-disabled',pluginName(pluginCapability));
+      try { this.#pluginService.check(record.business,record.role); }
+      catch(e) { throw new BusError(e.code === 'plugin-disabled' ? e.code : 'invalid-request', e.code === 'plugin-disabled' ? e.plugin : undefined); }
+    }
    if (!old) this.#processingWork();
    if (!old && !this.#harnessOn(record.business, record.harness)) fail('invalid-harness');
    if (!old && record.thread !== undefined && this.#archived(record.business, this.#threadRow(session, record.thread).project)) fail('project-archived');
@@ -2265,6 +2285,14 @@ export class Broker {
      run: null,
    });
  }
+  // Trusted account transport supplies freshly resolved membership, never request arguments.
+  // This capability reaches only the A4 verbs; it cannot pass existing owner Console guards.
+  bindHireConsole({business, actor, subject, rights, owner = false, instanceOwner = false}) {
+    this.#business(business);
+    identifier(actor);
+    if (!object(subject) || !['provider','iss','sub'].every(k=>typeof subject[k]==='string' && subject[k]) || !Array.isArray(rights)) fail('human-required');
+    return this.#cap({business,human:actor,role:null,run:null,via:'console',console:Object.freeze({...subject}),hireMembership:Object.freeze({actor,rights:[...rights],agent:false,owner,instanceOwner,subject:{...subject}})});
+  }
  bindReader({ business }) {
    this.#business(business);
    return this.#cap({ business, reader: true, role: null, run: null, human: false });
@@ -2422,6 +2450,7 @@ export class Broker {
        options.some(o => !object(o) || !id(o.key) || !text(o.text, 1024)) ||
        new Set(options.map(o => o.key)).size !== options.length) return null;
    const digest = sha256(JSON.stringify([{ ...d, options }, raise]));
+    if (['role.hire','role.fire','role.change'].includes(d.action)) return raise.hire ? {kind:'hire',options,...raise.hire} : null;
    if (d.action !== 'credential.mint') return 'grant' in raise ? null : { kind: 'decision', options, digest };
    if (!object(raise.grant) || typeof raise.grant.method !== 'string' || options.length !== 2) return null;
    const approve = options.find((o) => o.key === raise.approvalChoice);
@@ -3337,7 +3366,8 @@ export class Broker {
      const result = await write('instance.fire');
      step = 'C';
      this.#store.transaction(() => {
-        this.#recordAuthority(sc, 'role.fire', authority, { reason: args.reason, transaction: result.transaction ?? null });
+        if(sc.human)this.#event(sc,'action.allowed',{action:'role.fire',target:args.name,reason:args.reason,transaction:result.transaction??null},args.name);
+        else this.#recordAuthority(sc, 'role.fire', authority, { reason: args.reason, transaction: result.transaction ?? null });
        this.#event(sc, 'action.allowed', { action: 'fire.done', transaction: result.transaction ?? null, job, grants: out.grants, grantsLeft: out.grantsLeft }, name);
      });
    } catch (e) {
@@ -4668,7 +4698,14 @@ export class Broker {
    fail('role-end-refused');
  }
  #classification(s, action, target = null) {
-    if (!ACTIONS.includes(action)) fail('unknown-action');
+    if (!ACTIONS.includes(action)) {
+      const name=pluginName(action);
+      const held=this.#business(s.business).roles[s.role]?.authority;
+      if(!name || ![...(held?.withinRole ?? []),...(held?.crossRole ?? [])].includes(action))fail('unknown-action');
+      if(!this.#pluginService)throw new BusError('plugin-disabled',name);
+      let checked;try {checked=this.#pluginService.check(s.business,s.role);}catch{throw new BusError('plugin-disabled',name);}
+      if(!checked.view.registry.actions.includes(action))throw new BusError('plugin-disabled',name);
+    }
    if (
      this.#hardWait(s, action, target) ||
      (action === 'role.launch' && this.#business(s.business).launch?.by !== s.role)
@@ -5915,6 +5952,15 @@ export class Broker {
        }).catch(error => { throw this.#refused(s, new BusError(/^proxy-[a-z-]+$/.test(error.code ?? '') ? error.code : 'proxy-init-failed'), request); });
      }
      this.#secretCheck(args);
+      if (request.verb === 'plugin.tool') {
+        if(s.human || s.reader || s.tester || s.user || s.console)fail('agent-required');
+        keys(args,['tool','arguments'],['tool','arguments']);
+        this.#store.transaction(()=>this.#agent(s));
+        if(!this.#pluginService)throw new BusError('plugin-disabled',pluginName(args.tool) ?? undefined);
+        return this.#pluginService.call(s.business,s.role,args.tool,args.arguments).then(result=>{
+          this.#secretCheck(result);return result;
+        }).catch(e=>{throw this.#refused(s,new BusError(['plugin-disabled','invalid-request','not-authorized'].includes(e.code)?e.code:'adapter-failed',e.code==='plugin-disabled'?e.plugin:undefined),{verb:'plugin.tool'});});
+      }
      if (request.verb === 'processing.halt' || request.verb === 'processing.resume')
        return this.#requestProcessing(s, request.verb, structuredClone(args));
      if (request.verb === 'processing.status') {
@@ -6050,14 +6096,25 @@ export class Broker {
          return this.#withLast(cap, s, request);
      }
      if (CREDENTIAL_VERBS.includes(request.verb)) return this.#requestCredential(s, request.verb, structuredClone(args));
-      if (request.verb === 'instance.hire' || request.verb === 'instance.fire')
-      {
-        const result = this.#chiefLifecycle(s, request.verb, structuredClone(args));
-        return result?.then ? result.catch(error => { throw this.#refused(s, error, request); }) : result;
+      if (s.hireMembership && !['hire.preview.console','hire.resolve.console','hire.start.console','hire.templates.console'].includes(request.verb)) fail('human-required');
+      if(request.verb==='hire.templates.console') {
+        keys(args,[]);const caller=this.#hireCaller(s);
+        if(!caller.rights.includes('org.hire'))fail('right-required');
+        if(!this.#hires?.templates)fail('not-configured');
+        return this.#hires.templates();
      }
+      if (request.verb === 'instance.hire' || request.verb === 'instance.fire') fail('decision-required');
+      if (request.verb === 'hire.raise' || request.verb === 'hire.start.console' ||
+          (request.verb === 'decision.raise' && ['role.hire','role.fire','role.change'].includes(args.action))) {
+        const input=request.verb==='decision.raise' ? (()=>{ keys(args,['action','hire'],['action','hire']); if(args.action!==`role.${args.hire?.op}`)fail('invalid-request'); return args.hire; })() : args;
+        return this.#raiseHire(s,input,request.verb==='hire.start.console').catch(e=>{throw this.#refused(s,new BusError(e.code??'invalid-request'),request);});
+      }
+      if(request.verb==='decision.preview.console' && ['role.hire','role.fire','role.change'].includes(this.#decision(s,args.id).action))return this.#hireConsole(s,'hire.preview.console',args).catch(e=>{throw this.#refused(s,new BusError(e.code??'outcome-unknown'),request);});
+      if (['hire.preview.console','hire.resolve.console'].includes(request.verb))
+        return this.#hireConsole(s,request.verb,args).catch(e=>{throw this.#refused(s,new BusError(e.code??'outcome-unknown'),request);});
      if (request.verb === 'grants.scope' || request.verb === 'grants.scope.set')
        return this.#grantScopeVerb(s, request.verb, structuredClone(args));
-      if (["limits", "limits.set", "organization.set", "organization.revision", "plugins", "plugins.set", "instances", "instances.set", "routes", "routes.set", "veto.set", "library.limits.set"].includes(request.verb)) {
+      if (["limits", "limits.set", "organization.set", "organization.revision", "plugins", "plugins.set", "instances", "instances.set", "routes", "routes.set", "veto.set", "library.limits.set"].includes(request.verb) || Object.hasOwn(DEFINITION_BUS_KEYS, request.verb)) {
        // Row 123 (#1617, REQ-COS-1, REQ-LIMIT-1): organization.set is limits.set for a role whose
        // file lists organization.change. It takes the same keys, runs the same write path and
        // logs the same receipt; only the actor differs: the role definition and instance.
@@ -6112,6 +6169,13 @@ export class Broker {
        else if (request.verb === "library.limits.set") {
          keys(args, ["revision", "replyLimits"], ["revision", "replyLimits"]);
          this.#human(s);
+        }
+        // #1873 T1: the definition writes need org.hire. Until row 193, as #mayHuman, the business's
+        // one human (the owner) passes; the tester is refused above and an agent here.
+        else if (Object.hasOwn(DEFINITION_BUS_KEYS, request.verb)) {
+          keys(args, ...DEFINITION_BUS_KEYS[request.verb]);
+          this.#human(s);
+          if (s.human !== this.#business(s.business).human) fail("human-required");
        } else {
          keys(args, ORGANIZATION_KEYS, ["revision"]);
          // Row 194 (D2.4, B7): the chief can't change a kept instance's model, as that replaces it at
@@ -6228,6 +6292,8 @@ export class Broker {
      result = this.#credentialVerbs(s.business, verb, a, s.tester ? 'tester' : s.human);
    } catch (e) {
      if (e instanceof BusError && e.code.startsWith('credential-')) throw e;
+      // org-defscan (#1873): the issue's definition check; its reason names where, never the value.
+      if (e instanceof BusError && ['definition-holds-credential', 'definition-scan-unreadable'].includes(e.code)) throw e;
      if (e.code === 'revision-conflict' || e.code?.startsWith('organization-')) fail(e.code);
      if (e.name === 'BusinessError') fail('invalid-request');
      throw new BusError('outcome-unknown');
@@ -6247,47 +6313,121 @@ export class Broker {
    }
    return result;
  }
-  // Row 194 (#1692, D2.1, D2.2): the chief's hire and fire. PRD 1.7 REQ-COS-3 routes both within the
-  // chief's role with a reason, as role.end ends a run (S2e). The writer commits outside the store
-  // transaction, so the grant is checked before it and the use logged only after it, as
-  // organization.set's grant is.
-  #chiefLifecycle(s, verb, a) {
-    const hire = verb === 'instance.hire', action = hire ? 'role.hire' : 'role.fire';
-    this.#agent(s);
-    const [allowed, required] = HIRE_FIRE_ARGS[action];
-    keys(a, allowed, required);
-    this.#hireFireArgs(action, a);
-    const args = a;
-    const b = this.#business(s.business);
-    if (b.launch?.by !== s.role) fail('role-not-chief');
-    if (!this.#organization) fail('not-configured');
-    // The grant: the action is routed and on the chief's withinRole. Without both it needs a decision
-    // (decision-required), and these verbs take none.
-    const authority = { target: args.name };
-    this.#checkAuthority(s, action, authority);
-    // D2.4: a kept name is neither hired nor fired.
-    if ((b.launch?.keep ?? []).includes(args.name)) fail('instance-kept');
-    const actor = b.roles[s.role].definition + '.' + s.role;
-    const context = { instance: s.role, run: s.run, reason: args.reason };
-    // The writer gets its own keys. The reason goes in the context, which its receipt logs.
-    const { reason: _, ...written } = args;
-    const write = (op) => {
-      try {
-        const result = this.#organization(s.business, op, written, actor, context);
-        return result?.then ? result.catch(error => this.#organizationFail(error, verb)) : result;
-      } catch (e) {
-        this.#organizationFail(e, verb);
-      }
+  #hireCaller(s) {
+    if (!s.console || !s.human || s.reader || s.tester) fail('human-required');
+    if(s.hireMembership) return s.hireMembership;
+    if(s.human!==this.#business(s.business).human)fail('human-required');
+    return {actor:s.human,agent:false,rights:['org.hire'],owner:true,instanceOwner:true,subject:s.console};
+  }
+  async #raiseHire(s, input, immediate) {
+    const b=this.#business(s.business);
+    // Change is a replacement composition and uses the existing role.hire grant.
+    const chiefAllowed=()=>{
+      this.#agent(s);
+      if(s.role!==this.#business(s.business).launch?.by)fail('role-not-chief');
+      if(!['hire','change','fire'].includes(input?.op))fail('invalid-request');
+      if(this.#classification(s,input.op==='fire'?'role.fire':'role.hire')!=='within-role')fail('not-authorized');
    };
-    if (hire) {
-      this.#hireable(s, args.definition);
-      const result = write('instance.hire');
-      const finish = result => {
-        this.#store.transaction(() => this.#consumeAuthority(s, action, authority, { reason: args.reason, transaction: result.transaction }));
-        return result;
-      };
-      return result?.then ? result.then(finish) : finish(result);
+    if(immediate) { const c=this.#hireCaller(s); if(!c.rights.includes('org.hire'))fail('right-required'); }
+    else chiefAllowed();
+    if(!this.#hires)fail('not-configured');
+    const did=randomUUID(), at=this.#now(), expiresAt=new Date(Date.parse(at)+7*86400000).toISOString();
+    const p=await this.#hires.prepare(s.business,structuredClone(input),{id:did,expiresAt});
+    // Recheck the chief after asynchronous preparation; a released run cannot raise.
+    if(!immediate)chiefAllowed();
+    else {
+      const caller=this.#hireCaller(s);
+      if(((p.flagged.length || p.credentialLines.length) && !caller.owner) || (p.level==='root' && !caller.instanceOwner))fail('hire-owner-required');
    }
+    const action=`role.${p.op}`;
+    this.#store.transaction(()=>{
+      const raiser=immediate?'human':s.role;
+      this.#store.run('INSERT INTO decisions(id,at,business,project,raised_by_role,raised_by_run,class,action,route_to,question,options,recommendation,blocking) VALUES(?,?,?,?,?,?,?,?,?,?,?,?,?)',
+        did,at,s.business,p.project??null,raiser,immediate?'human-console':s.run,'gated',action,'human',`${p.op} ${p.name} at ${p.level} level?`,JSON.stringify([{key:'yes',text:'Approve'},{key:'no',text:'Deny'}]),'no',0);
+      this.#event(s,'action.allowed',{operation:'decision.raise',decision:did,action,approvalChoice:'yes',target:p.name,hire:p},did);
+    });
+    if(immediate) return this.#hireConsole(s,'hire.resolve.console',{id:did,choice:'yes',digest:p.digest});
+    return {...this.#decisionView(this.#decision(s,did)),hire:p};
+  }
+  async #hireConsole(s,verb,a) {
+    const caller={...this.#hireCaller(s),now:()=>Math.max(Date.now(),this.#clock)};
+    keys(a,verb==='hire.preview.console'?['id','adjust']:['id','choice','digest','adjust'],verb==='hire.preview.console'?['id']:['id','choice','digest']);
+    identifier(a.id);
+    const d=this.#decision(s,a.id), raise=this.#raised(s.business,d.id);
+    let p=raise?.hire;
+    if(!['role.hire','role.fire','role.change'].includes(d.action) || !p)fail('decision-not-eligible');
+    const closed=this.#closed(d.id);
+    if(closed)fail(closed.by==='expiry'?'decision-expired':'decision-closed');
+    if(this.#expireHire(s,d,p))fail('decision-expired');
+    if(!caller.rights.includes('org.hire'))fail('right-required');
+    if(a.adjust!==undefined) {
+      if(!this.#hires?.preview)fail('not-configured');
+      p=await this.#hires.preview(s.business,d.id,{...caller,adjust:a.adjust});
+    }
+    if((p.flagged.length || p.credentialLines.length) && !caller.owner || p.level==='root' && !caller.instanceOwner)fail('hire-owner-required');
+    if(verb==='hire.preview.console')return {id:d.id,business:s.business,question:d.question,kind:'hire',options:JSON.parse(d.options),...p};
+    if(a.digest!==p.digest)fail('decision-stale');
+    if(a.choice==='yes') { if(!this.#hires)fail('not-configured'); await this.#hires.check(s.business,d.id,{...caller,digest:p.digest,adjust:a.adjust}); }
+    if(!['yes','no'].includes(a.choice))fail('invalid-choice');
+    // A durable close/consume precedes the external file effect. A crash never replays an approval.
+    this.#store.transaction(()=>{
+      if(this.#closed(d.id))fail('decision-closed');
+      this.#store.run('INSERT INTO decision_events(decision,at,op,by,choice,via) VALUES(?,?,?,?,?,?)',d.id,this.#now(),'resolved',caller.actor,a.choice,'console');
+      this.#event(s,'human.input',{kind:'answer',decision:d.id,op:'resolved',choice:a.choice,via:'console',subject:s.console},d.id);
+      if(a.choice==='yes')this.#event(s,'action.allowed',{operation:'hire.consume',decision:d.id,digest:p.digest,hire:p},d.id);
+    });
+    if(a.choice==='no')return {id:d.id,op:'resolved',choice:a.choice};
+    if(!this.#hires)fail('not-configured');
+    try {
+      if(p.op==='fire' && p.level!=='org')await this.#stopCopyApproved(s,p);
+      const result=p.op==='fire' && p.level==='org' ? await this.#fireApproved(s,p) : await this.#hires.apply(s.business,d.id,{...caller,digest:p.digest,adjust:a.adjust});
+      if(p.op==='fire' && p.level!=='org')this.#store.transaction(()=>this.#event(s,'action.allowed',{action:'fire.done',decision:d.id},p.level==='project'?`${p.name}.${p.project}`:p.name));
+      this.#store.transaction(()=>this.#event(s,'action.allowed',{operation:result.done===false?'hire.started':'hire.apply',decision:d.id,transaction:result.transaction??null},d.id));
+      return {...result,id:d.id,op:'resolved',choice:a.choice,transaction:result.transaction??null};
+    } catch(e) {
+      this.#store.transaction(()=>this.#event(s,'action.allowed',{operation:'hire.failed',decision:d.id,code:e.code??'outcome-unknown'},d.id));
+      throw e;
+    }
+  }
+  #expireHire(s,d,p,insideTransaction=false) {
+    if(!p || Date.parse(p.expiresAt)>Math.max(Date.now(),this.#clock) || !Number.isFinite(Date.parse(p.expiresAt)))return false;
+    const close=()=>{
+      if(this.#closed(d.id))return;
+      this.#store.run('INSERT INTO decision_events(decision,at,op,by,via) VALUES(?,?,?,?,?)',d.id,this.#now(),'withdrawn','expiry','broker');
+      this.#event({business:s.business,role:null,run:null},'action.allowed',{operation:'hire.expired',decision:d.id},d.id);
+    };
+    if(insideTransaction)close();else this.#store.transaction(close);
+    return true;
+  }
+  #expireHires(s) {
+    for(const d of this.#store.all(`SELECT d.* FROM decisions d WHERE business=? AND action IN ('role.hire','role.fire','role.change') AND NOT EXISTS(SELECT 1 FROM decision_events x WHERE x.decision=d.id AND x.op IN ${CLOSED})`,s.business))
+      this.#expireHire(s,d,this.#raised(s.business,d.id)?.hire,true);
+  }
+  async #stopCopyApproved(s,p) {
+    const instance=p.level==='project'?`${p.name}.${p.project}`:p.name;
+    const b=this.#business(s.business);
+    if(!b.roles[instance])return;
+    if(this.#revoking.has(s.business+'/'+instance))fail('fire-in-progress');
+    const set=this.#store.transaction(()=>{
+      const held=this.#threaded(s.business,instance)?this.#threadHolders(s.business,instance):[this.#holder(s.business,instance)].filter(h=>h?.op==='claim');
+      for(const h of held)this.#claimEnd(s,h,'revoke',p.id);
+      const runs=[...this.#runs.values()].filter(r=>r.business===s.business&&r.role===instance).map(r=>r.run);
+      const request=runs.length?randomUUID():null;
+      if(request)this.#event(s,'action.allowed',{action:'lifecycle.end',request,via:'human',by:s.human,runs,reason:'Approved fire decision',kill:true},instance);
+      this.#event(s,'action.allowed',{action:'fire.stopped',request,decision:p.id},instance);
+      return this.#grantSet(s.business,instance);
+    });
+    if(set.length)await this.#stepG(s.business,instance,set,{job:p.id,reason:'Approved fire decision',by:s.human,flag:{fire:true}});
+  }
+  // The existing row-281 fire executor, now entered only after a consumed human decision.
+  #fireApproved(s,p) {
+    const args={name:p.name,reason:'Approved fire decision'},verb='instance.fire',action='role.fire';
+    const b=this.#business(s.business),authority={target:p.name};
+    const write=op=>{
+      try {const result=this.#organization(s.business,op,{name:p.name,revision:p.revision},s.human,{decision:p.id,digest:p.digest});
+        return result?.then?result.catch(e=>this.#organizationFail(e,verb)):result;
+      } catch(e) {this.#organizationFail(e,verb);}
+    };
    if (!Object.hasOwn(b.roles, args.name)) fail('unknown-role');
    if (END_PROTECTED.includes(b.roles[args.name].definition)) fail('organization-definition-refused');
    if (b.launch?.by === args.name) fail('organization-instance-referenced');
@@ -6329,7 +6469,7 @@ export class Broker {
    // A non-empty set: step G, B and C run as a job, and the verb answers now with no transaction.
    if (stopped.job) {
      const { job, set, ...rest } = stopped;
-      const sc = { business: s.business, role: s.role, run: s.run, thread: s.thread, human: null };
+      const sc = { business: s.business, role: s.role, run: s.run, thread: s.thread, human: s.human };
      this.#startGrantJob(s.business, args.name, verb, () => this.#fireJob(sc, args, authority, write, job, set));
      return { ...rest, job, revoking: set.map((g) => g.label), done: false };
    }
@@ -6338,41 +6478,13 @@ export class Broker {
    // Step C: log the fire and record it done. A failure at B or C leaves I firing until a repeat.
    const finish = result => {
      this.#store.transaction(() => {
-        this.#consumeAuthority(s, action, authority, { reason: args.reason, transaction: result.transaction ?? null });
+        this.#event(s,'action.allowed',{action:'role.fire',operation:'hire.apply',decision:p.id,transaction:result.transaction??null},args.name);
        this.#event(s, 'action.allowed', { action: 'fire.done', transaction: result.transaction ?? null }, args.name);
      });
      return { ...result, ...stopped };
    };
    return result?.then ? result.then(finish) : finish(result);
  }
-  // The shape of hire and fire arguments.
-  #hireFireArgs(action, args) {
-    identifier(args.name);
-    // FED R3 r4 (sage-2557): `user` is the granted user's principal, as checkBusiness refuses it.
-    if (args.name === 'human' || args.name === 'tester' || args.name === 'user') fail('invalid-request');
-    string(args.reason, 500);
-    if (action === 'role.fire') return;
-    identifier(args.definition);
-    if ('vars' in args && (!object(args.vars) || !Object.keys(args.vars).every(HIRE_VAR))) fail('invalid-request');
-  }
-  // D2.3 at hire, against the role files as they stand: a version 2 definition whose every action is
-  // on HIRE_ALLOWED (W-N2), named in the chief role file's hireable list and not in launch.noHire.
-  #hireable(s, definition) {
-    if (!this.#roleFile) fail('not-configured');
-    const b = this.#business(s.business);
-    const load = (name) => {
-      try {
-        return this.#roleFile(name);
-      } catch (e) {
-        if (e.name === 'BusinessError') fail('definition-not-hireable');
-        throw e;
-      }
-    };
-    const def = load(definition);
-    if (def.roleVersion !== 2 || unhireableAction(def) !== null) fail('definition-not-hireable');
-    if (!(load(b.roles[s.role].definition).hireable ?? []).includes(definition)) fail('definition-not-hireable');
-    if ((b.launch?.noHire ?? []).includes(definition)) fail('definition-not-hireable');
-  }
  // The bus code for an organization writer's refusal. Anything the writer didn't refuse by name is
  // outcome-unknown: the write may have committed.
  #organizationFail(e, verb) {
@@ -6388,6 +6500,8 @@ export class Broker {
    if ((verb === "instance.hire" || verb === "instance.fire") && e.code === "definition-not-hireable") fail(e.code);
    // Row 194 (B7, webby-0094 N3): the limits writer's keep check, against the file, as well.
    if (e.code === "instance-kept") fail(e.code);
+    // #1873 T1: the definition writer's refusals pass by code; a composition refusal stays invalid-request.
+    if (Object.hasOwn(DEFINITION_BUS_KEYS, verb) && /^definition-[a-z-]+$/.test(e.code ?? "")) fail(e.code);
    // Row 194 (brief item 8): a fire's or a delete's revoke failed, and nothing was written.
    if ((verb === "instance.fire" || verb === "instances.set") && e.code === "credential-revoke-failed") fail(e.code);
    // Row 65: the route checks every write of an instance's route vars runs.
@@ -7271,6 +7385,7 @@ export class Broker {
        identifier(a.id);
        if (a.note !== undefined) string(a.note);
        const d = this.#decision(s, a.id);
+        if (['role.hire','role.fire','role.change'].includes(d.action) && ['decision.resolve','decision.resolve.console'].includes(verb)) fail('hire-resolution-required');
        if (this.#closed(d.id)) fail('decision-closed');
        // Recheck eligibility, context digest and membership in the current options in this
        // transaction, before any resolution, audit, notification or grant execution.
@@ -7730,6 +7845,7 @@ export class Broker {
        const allowed = verb === 'trail' ? ['subject'] : verb === 'tasks' ? TASK_ARGS : [];
        keys(a, allowed, verb === 'trail' ? ['subject'] : []);
        if (!s.human && !s.reader) this.#agent(s);
+        if (verb === 'inbox')this.#expireHires(s);
        if (verb === 'inbox')
          return this.#store
            .all(
@@ -7775,6 +7891,7 @@ export class Broker {
      case 'decisions': {
        if (!s.human && !s.reader) fail('human-required');
        keys(a, ['list'], ['list']);
+        this.#expireHires(s);
        if (a.list === 'roles')
          return this.#store
            .all(
@@ -1,5 +1,6 @@
 import { BusError } from './broker.mjs';
 import { isHostKind } from '../../organization/src/vocabulary.mjs';
+import { scanOrganizations } from './definition-scan.mjs';
 // Row 199 (#1697, design section 6): issue, rotate, revoke and delete of one agent's credentials, for
 // the broker's human-only verbs. The broker checks the session, the keys and a running claim first.
 // Each verb leaves one receipt in the organization's changes.jsonl: the actor and a detail naming the
@@ -10,7 +11,10 @@ const dateKey = (service) => (isHostKind(service) ? 'rotateBy' : DATE_KEY[servic
 const deny = (code) => {
  throw new BusError(code);
 };
-export function credentialVerbs({ credentials, writer }) {
+// `organizations` lists every business this bus serves; issue checks each one's definitions. Without
+// it, only the issuing business's. `boot` is the bus's boot copy snapshot's definitions, { org,
+// definitions }, checked as well.
+export function credentialVerbs({ credentials, writer, organizations = null, boot = null }) {
  const state = (instance, service) =>
    credentials.status().find((e) => e.instance === instance && e.service === service)?.state;
  return (id, verb, args, actor) => {
@@ -27,8 +31,13 @@ export function credentialVerbs({ credentials, writer }) {
      const next = structuredClone(document);
      next.roles[agent].credentials[service] = { store: true, [dateKey(service)]: date };
      const detail = { verb: kind, agent, kind: [service], date };
-      const status = credentials.issue(instance, service, token, date, () =>
-        writer.write(id, next, { revision, actor, detail }),
+      // org-defscan (#1873): the value must not already sit in any organization's definitions. The
+      // check runs inside issue, before the store, the file or memory changes, on this bus loop, so
+      // no launch admission can run between the check and the value becoming held.
+      const status = credentials.issue(
+        instance, service, token, date,
+        () => writer.write(id, next, { revision, actor, detail }),
+        (clean) => scanOrganizations({ organizations: organizations?.() ?? [id], own: { id, document }, readRaw: (b) => writer.readRaw(b), boot }, clean),
      );
      // Row 210 (design D9): a host key's public line and fingerprint, for ops-01's authorized_keys.
      const host = status.fingerprint ? { publicKey: status.publicKey, fingerprint: status.fingerprint } : {};
@@ -87,6 +87,19 @@ export function parseHostKey(text) {
  }
  return { text: lines.join('\n') + '\n', publicLine, fingerprint, seed, needles };
 }
+// Credentials.assertClean's test: credential-leak when the value's JSON text holds an entry's token
+// or one of its retiring model keys. org-defscan (#1873): issue's check runs it on the value it is
+// about to hold.
+function assertNotHeld(value, entries) {
+  let encoded;
+  try {
+    encoded = JSON.stringify(value);
+  } catch {
+    deny('invalid-request');
+  }
+  for (const { token, model } of entries)
+    if ([token, ...(model?.retiring ?? []).map(r => r.key)].some(k => encoded?.includes(k))) deny('credential-leak');
+}
 // D8: refuses credential-leak when the value's JSON text holds any part of the key.
 export function assertCleanKey(value, key) {
  let encoded;
@@ -458,10 +471,13 @@ export class Credentials {
  // Row 199 (design section 6): write the token to the agent's store path (tmp, fsync, rename), then
  // `commit` (the business file's reference becomes store), then memory. The token comes from the
  // caller's stdin and is never logged. Returns the entry's new status.
-  issue(instance, service, token, date, commit = () => {}) {
+  // org-defscan (#1873): `check` runs before anything changes. It gets an assertClean for this value
+  // alone, the test assertClean makes once the value is held; a throw leaves the store as it was.
+  issue(instance, service, token, date, commit = () => {}, check = () => {}) {
    this.#known(instance, service);
    if (!day(date)) deny('credential-date');
    const value = Credentials.#format(service, token);
+    check((v) => assertNotHeld(v, [value]));
    this.#invalidateModelProof(instance, service);
    const file = this.#storePath(instance, service);
    const agentDir = dirname(file);
@@ -600,14 +616,7 @@ export class Credentials {
    return this.use(session.business + '/' + session.role, service, operation, options);
  }
  assertClean(value) {
-    let encoded;
-    try {
-      encoded = JSON.stringify(value);
-    } catch {
-      deny('invalid-request');
-    }
-    for (const { token, model } of this.#tokens.values())
-      if ([token, ...(model?.retiring ?? []).map(r => r.key)].some(k => encoded?.includes(k))) deny('credential-leak');
+    assertNotHeld(value, this.#tokens.values());
  }
  // Row 210 (design D5): whether a host.run for this agent and host is in flight.
  busy(instance, service) {
@@ -0,0 +1,114 @@
+// #1873 T1 follow-up (org-defscan): the live credential store's held-secret check on an org
+// definition's text. A definition is role text written into the organization file; launch hands its
+// instructions to an agent as the contract. A file edited by hand, or while the bus was down, never
+// went through the writer's check, so bus start and every launch run this one.
+//
+// The answer names where a held credential sits, never the text there. A key that itself holds a
+// credential is named by its parent ("personality key"). Not imported by broker.mjs (the sandbox
+// loads that file); runtime.mjs and credential-verbs.mjs are its callers.
+import { BusError } from './broker.mjs';
+
+export const DEFINITION_HOLDS_CREDENTIAL = 'definition-holds-credential';
+// An organization file credentials.issue could not read to check: the issue refuses.
+export const DEFINITION_SCAN_UNREADABLE = 'definition-scan-unreadable';
+// A definition name the scan quotes: the organization loader's id pattern. Anything else is "*".
+const NAME = /^[a-z0-9][a-z0-9-]{0,63}$/;
+// A path segment the scan quotes; anything else becomes "*" (the hit is still reported).
+const SEGMENT = /^[A-Za-z0-9_-]{1,64}$/;
+const MAX_DEPTH = 32;
+
+const isClean = (assertClean, value) => {
+  try {
+    assertClean(value);
+    return true;
+  } catch {
+    return false;
+  }
+};
+
+// The first place in `entry` whose text the store holds, as a path ("instructions",
+// "personality.traits[1]", "role key"), or null when the entry is clean. A hit the walk can't place
+// (a value JSON.stringify sees and the walk doesn't) is "(entry)": the check fails closed.
+export function heldPath(entry, assertClean) {
+  if (isClean(assertClean, entry)) return null;
+  const join = (path, key) => {
+    const segment = SEGMENT.test(key) && isClean(assertClean, key) ? key : '*';
+    return path ? `${path}.${segment}` : segment;
+  };
+  const walk = (value, path, depth) => {
+    if (typeof value === 'string') return isClean(assertClean, value) ? null : path || '(entry)';
+    if (value === null || typeof value !== 'object' || depth > MAX_DEPTH) return null;
+    if (Array.isArray(value)) {
+      for (let i = 0; i < value.length; i++) {
+        const hit = walk(value[i], `${path}[${i}]`, depth + 1);
+        if (hit) return hit;
+      }
+      return null;
+    }
+    for (const [key, child] of Object.entries(value)) {
+      if (!isClean(assertClean, key)) return path ? `${path} key` : 'key';
+      const hit = walk(child, join(path, key), depth + 1);
+      if (hit) return hit;
+    }
+    return null;
+  };
+  return walk(entry, '', 0) ?? '(entry)';
+}
+
+// The refusal for one definition. `name` is the definition's name without "org:". At issue time
+// (`organization` given) it names the organization too, and the value is the one being issued.
+export function definitionRefusal(name, path, { organization, boot = false } = {}) {
+  const quoted = typeof name === 'string' && NAME.test(name) ? name : '*';
+  const where = `${boot ? 'boot copy ' : ''}${name === null ? 'definitions' : `definitions.${quoted} ${path}`}`;
+  if (organization === undefined) return new BusError(DEFINITION_HOLDS_CREDENTIAL, `${where} holds a credential this bus holds`);
+  const org = typeof organization === 'string' && NAME.test(organization) ? organization : '*';
+  return new BusError(DEFINITION_HOLDS_CREDENTIAL, `organization ${org} ${where} holds the credential being issued`);
+}
+
+// The first entry of a `definitions` map that holds a credential, as { name, path }, or null.
+// `prefix` is stripped from each name ("org:" for a business's resolved definitions). A map that is
+// not an object is { name: null } when its text holds one.
+export function heldDefinition(definitions, assertClean, { prefix = '' } = {}) {
+  if (definitions === undefined) return null; // an organization with no definitions key
+  if (definitions === null || typeof definitions !== 'object' || Array.isArray(definitions))
+    return isClean(assertClean, definitions) ? null : { name: null, path: null };
+  for (const [key, entry] of Object.entries(definitions)) {
+    if (prefix && !key.startsWith(prefix)) continue;
+    if (!isClean(assertClean, key)) return { name: '*', path: 'key' };
+    const path = heldPath(entry, assertClean);
+    if (path !== null) return { name: key.slice(prefix.length), path };
+  }
+  return null;
+}
+
+// Every entry of a `definitions` map; throws the refusal for the first that holds a credential.
+export function scanDefinitions(definitions, assertClean, options = {}) {
+  const hit = heldDefinition(definitions, assertClean, options);
+  if (hit) throw definitionRefusal(hit.name, hit.path, options);
+}
+
+// org-defscan (#1873, Lead ruling on the re-check P2): credentials.issue and rotate refuse a value
+// that already sits in any organization's definitions, so no definition text becomes a held value
+// after its launch checks passed. `organizations` is every business this bus serves; `own` is the
+// issuing one's document, already read. Any other file is read raw, as bus start reads it, so a
+// definition no instance names is covered; a file that can't be read refuses. `boot` is the bus's boot
+// copy snapshot ({ org, definitions }, #1873 A3/A4): the root agents file's definitions merged with the
+// organization's at boot. Every reload re-applies it, so its text is live for the bus's lifetime.
+export function scanOrganizations({ organizations, own, readRaw, boot = null }, assertClean) {
+  for (const organization of organizations) {
+    let definitions;
+    if (organization === own.id) definitions = own.document.definitions;
+    else {
+      let raw;
+      try {
+        raw = readRaw(organization);
+      } catch {
+        raw = { readable: false };
+      }
+      if (raw?.readable !== true) throw new BusError(DEFINITION_SCAN_UNREADABLE);
+      definitions = raw.document.definitions;
+    }
+    scanDefinitions(definitions, assertClean, { organization });
+  }
+  if (boot?.definitions !== undefined) scanDefinitions(boot.definitions, assertClean, { organization: boot.org, boot: true });
+}
@@ -67,7 +67,7 @@ class Failure extends Error {
 // lineages, each the current, retiring and earlier ids of one agent. A daily key quota follows
 // the lineage that holds its id, so it outlives rotation and re-issue. Both run only while a
 // daily key quota is set and a check is switched on. Without keyLineages they refuse.
-export function createLimits({ store, read, log, makeLoader = createLoader, keyForSubject = () => null,
+export function createLimits({ store, read, pluginDataRoot = null, log, makeLoader = createLoader, keyForSubject = () => null,
  keyLineages = () => { throw new Failure('proxy-key-refused'); } }) {
  if (typeof read !== 'function' || typeof log !== 'function') throw new TypeError('createLimits needs read and log');
  const loaders = new Map();
@@ -103,7 +103,7 @@ export function createLimits({ store, read, log, makeLoader = createLoader, keyF
    return validLineages(value) ? value : null;
  }
  const loaderFor = business => {
-    if (!loaders.has(business)) loaders.set(business, makeLoader({ log }));
+    if (!loaders.has(business)) loaders.set(business, makeLoader({ log, dataRoot:pluginDataRoot }));
    return loaders.get(business);
  };

@@ -4,7 +4,7 @@ import { createLoader } from '../../plugins/src/loader.mjs';
 const validId = s => typeof s === 'string' && /^[a-z0-9][a-z0-9._-]{0,63}$/.test(s);
 const validModel = s => typeof s === 'string' && /^[A-Za-z0-9][A-Za-z0-9._:/-]{0,199}$/.test(s);
 const disabled = () => ({ status: 'disabled', observedAt: null, models: [], notices: [] });
-export function createModelCatalogue({ client, settings, now = Date.now, makeLoader = createLoader, proxyLock = null }) {
+export function createModelCatalogue({ client, settings, pluginDataRoot = null, now = Date.now, makeLoader = createLoader, proxyLock = null }) {
  const cache = new Map(), flights = new Map(); let generation = 0, writing = 0;
  function invalidate() { generation++; cache.clear(); }
  function begin() { writing++; invalidate(); }
@@ -19,7 +19,7 @@ export function createModelCatalogue({ client, settings, now = Date.now, makeLoa
    try {
      if (off(id)) return disabled();
      const names = [...settings(id)['model-provider']];
-      const loader = makeLoader({ log: () => {} });
+      const loader = makeLoader({ log: () => {}, dataRoot:pluginDataRoot });
      const result = await loader.load({ 'model-provider': names });
      if (result.refused.length || loader.snapshot('model-provider').length !== names.length) throw Error();
      const c = client(); if (!c) throw Error();
@@ -198,12 +198,12 @@ export class ModelKeys {
  // Host-only callbacks are the existing synchronous organization path.
  hire(instance, check, publish) {
    return this.#exclusive(async () => {
-      check(); // Fresh validation and captured revision AFTER controller queue.
+      await check(); // Fresh validation and captured revision AFTER controller queue.
      const existed = this.hasRecord(instance);
      try {
        await this.#issue(instance);
-        check(); // Recheck captured revision AFTER HTTP, before publication.
-        return publish();
+        await check(); // Recheck captured revision AFTER HTTP, before publication.
+        return await publish();
      } catch (error) {
        // A newly issued generation has not escaped to queued admission yet.
        if (!existed && this.hasRecord(instance)) {
@@ -347,7 +347,7 @@ export function modelOrganization({ modelKeys, writer }) {
  };
  const wrap = invoke => (business, verb, args, actor, context) => {
    const isRevoke = verb === 'instance.fire' || (verb === 'instances.set' && args.op === 'delete');
-    if (!isRevoke && verb !== 'instance.hire') return invoke(business, verb, args, actor, context);
+    if (!isRevoke) return invoke(business, verb, args, actor, context);
    return (async () => {
      if (pending.has(business)) fail('organization-busy');
      const agent = args.name ?? args.instance, instance = business + '/' + agent;
@@ -355,19 +355,11 @@ export function modelOrganization({ modelKeys, writer }) {
      if (verb === 'instances.set') invoke(business, 'instances.check', { instance: agent }, actor, context);
      const { revision } = writer.read(business);
      if (args.revision !== undefined && args.revision !== revision) fail('revision-conflict');
-      const checkHire = () => {
-        if (writer.read(business).revision !== revision) fail('revision-conflict');
-        const checked = invoke(business, 'instance.hireCheck', args, actor, context);
-        if (checked.revision !== revision) fail('revision-conflict');
-        return checked;
-      };
-      if (!isRevoke) checkHire(); // No registration or proxy I/O before shared checks.
      const prepare = { instance, revision, remoteRevoked: false };
      pending.set(business, prepare);
      const existed = modelKeys.hasRecord(instance);
      try {
        if (isRevoke) { await modelKeys.prepareRevoke(instance); prepare.remoteRevoked = existed; }
-        else return await modelKeys.hire(instance, checkHire, () => invoke(business, verb, args, actor, context));
        return invoke(business, verb, args, actor, context);
      } catch (error) {
        if (isRevoke && prepare.remoteRevoked && (error.code === 'revision-conflict' || error.code === 'revision-conflict-revoked')) modelKeys.revisionConflict(instance);
@@ -375,5 +367,12 @@ export function modelOrganization({ modelKeys, writer }) {
      } finally { pending.delete(business); }
    })();
  };
-  return { writer: adapter, revoke, wrap };
+  const hire = async (business, agent, check, publish) => {
+    if (pending.has(business)) fail('organization-busy');
+    const prepare = { instance: `${business}/${agent}`, revision: writer.read(business).revision, remoteRevoked: false };
+    pending.set(business, prepare);
+    try { return await modelKeys.hire(prepare.instance, check, publish); }
+    finally { pending.delete(business); }
+  };
+  return { writer: adapter, revoke, wrap, hire };
 }
@@ -19,6 +19,7 @@ export function busOrganization(business, resolved) {
    out.roles[role].network = r.limits.network;
    out.roles[role].authority = structuredClone(r.limits.authority);
    // REQ-HARN-2: "web" in the resolved tool limit is the grant for the broker's web verbs.
+    out.roles[role].tools = [...(r.limits.tools ?? [])];
    out.roles[role].web = (r.limits.tools ?? []).includes('web');
    // Row 210 (#1707, design D5): resolveInstance leaves host.<id> keys out of the session's
    // credentials. The bus child uses them, so they come back here from the business entry.
@@ -2,6 +2,7 @@
 // never command arguments, stdout or service-token-bearing environment variables.
 import { startBroker } from './runtime.mjs';
 import { BusError } from './broker.mjs';
+import { DEFINITION_HOLDS_CREDENTIAL } from './definition-scan.mjs';
 const LAUNCH_OPS = new Set([
  'identity',
  'authorizeLaunch',
@@ -9,6 +10,7 @@ const LAUNCH_OPS = new Set([
  'endLaunch',
  'recoverLaunch',
  'credentialStatus',
+  'definitionScan',
  'modelPreflight',
  'modelAdmission',
  'modelStall',
@@ -90,6 +92,8 @@ function launchOp(m) {
  if (m.op === 'request.chief') return runtime.requestChief(m.business);
  if (m.op === 'request.admission') return runtime.admission({ business: m.business, project: m.project, projects: m.projects, instance: m.instance, revision: m.revision, thread: m.thread, session: m.session });
  if (m.op === 'credentialStatus') return runtime.credentialStatus(m.business, m.role);
+  // #1873 T1 follow-up (org-defscan): the launcher's held-secret check of an org: definition.
+  if (m.op === 'definitionScan') return runtime.definitionScan({ business: m.business, definition: m.definition, entry: m.entry });
  if (m.op === 'modelAdmission') return runtime.modelAdmission(m);
  if (m.op === 'modelPreflight') return runtime.modelPreflight(m);
  if (m.op === 'modelStall') return runtime.modelStall(m);
@@ -163,7 +167,9 @@ if (!process.send) {
      }
      process.send({ ok: true, path: runtime.path, launches: runtime.launches, readers: runtime.readers });
    } catch (e) {
-      process.send?.(tag(message, { ok: false, error: e instanceof BusError ? e.code : 'startup-refused' }), () =>
+      // org-defscan: a held credential in a definition says which definition and key, never the text.
+      const reason = e instanceof BusError && e.code === DEFINITION_HOLDS_CREDENTIAL && typeof e.reason === 'string' ? { reason: e.reason } : {};
+      process.send?.(tag(message, { ok: false, error: e instanceof BusError ? e.code : 'startup-refused', ...reason }), () =>
        close(2),
      );
    }
@@ -8,8 +8,8 @@ const KINDS = ['input', 'output', 'cacheWrite', 'cacheRead'];
 const ID = /^[a-f0-9]{12}$/;
 const plain = n => n <= BigInt(Number.MAX_SAFE_INTEGER) ? Number(n) : String(n);
 // makeLoader is the plug-in loader's factory; a test wraps it to see what a module is handed.
-export function createProxyUsage({ store, read, client, records, log, now = Date.now, makeLoader = createLoader, enableDrain = false }) {
-  const loader = makeLoader({ log });
+export function createProxyUsage({ store, read, pluginDataRoot = null, client, records, log, now = Date.now, makeLoader = createLoader, enableDrain = false }) {
+  const loader = makeLoader({ log, dataRoot:pluginDataRoot });
  let due = 0, previous = '', pending = null, closed = false;
  const states = new Map();
  // #778: per enabled business, the batches taken off the proxy queue and then not written, since
@@ -1,6 +1,7 @@
 // Static refusal table: each listed code maps to one rail and next step. These strings
 // never interpolate caller arguments, credential references, policy values or file bytes.
 const entries = [];
+
 const group = (codes, rail, nextStep) => {
  const guidance = Object.freeze({ rail, nextStep });
  for (const code of codes.split(' ')) {
@@ -8,6 +9,12 @@ const group = (codes, rail, nextStep) => {
    entries.push([code, guidance]);
  }
 };
+group("definition-shared hire-resolution-required hire-owner-required decision-expired right-required", "R5/R8/R9: digest-bound hire approval by a permitted person", "Use the hire Console path with org.hire. Flagged, credential and root decisions need their owner; expired decisions need a fresh proposal.");
+group("root-fire-shared", "R3/R8: root fire must revoke every copy's grants", "Other organizations may retain running copies and grants. Ask the owner to coordinate revocation across those organizations before removing the root agent.");
+group("copy-stale", "R3: root policy changed since this bus booted", "Ask the owner to restart the organization bus to load the approved root policy, then launch a fresh copy.");
+group("root-policy-unreadable", "R3: root policy evidence must be readable", "Ask the owner to inspect root agent receipt metadata and restart the bus after repairing the read failure.");
+group("plugin-disabled", "R3/R6/R10: installed, pinned and enabled plugin capabilities", "Ask the instance owner to verify the installed plugin and the organization owner to enable it. A replacement of an already loaded package needs a host restart; then relaunch the agent.");
+group("plugin-restart-required", "R3/R10: one imported package pin per host process", "Ask the instance owner to restart the host after replacing an already loaded package, then retry through the supported path.");
 group(
  "access-refused access-revoked share-exists share-not-covered share-not-found tester-dev-only tester-off tester-refused tester-required tester-target-not-running thread-not-allowed thread-not-owned",
  "R7: caller access and scoped session boundary",
@@ -83,6 +90,16 @@ group(
  "Role configuration and protected instance controls",
  "Read the permitted configuration/status and ask the owner or configured chief to repair it through the supported path. Do not edit policy to bypass the refusal."
 );
+group(
+  "definition-holds-credential",
+  "R1: no held credential in an organization definition's role text",
+  "Ask the organization owner to remove the credential from the named definition and key, then restart the bus, relaunch the agent or issue the credential again. For a hire, deny it and have the chief raise it again without that text. Do not copy the text anywhere to inspect it."
+);
+group(
+  "definition-scan-unreadable",
+  "R1/R3: a credential is issued only after every organization's definitions are checked",
+  "Ask the instance owner to repair the organization file the bus cannot read, then issue the credential again. Nothing was stored."
+);
 group(
  "field-writer task-already-archived task-archived task-conflict task-create-conflict task-create-uncertain task-not-archived task-not-found task-position-full task-project-refused task-scope-required task-subject-required",
  "Role task ownership, allowed fields and current task state",
@@ -1,3 +1,7 @@
+import { hireDecisions } from '../../organization/src/hire-decisions.mjs';
+import { organizationPlugins } from '../../plugins/src/organization.mjs';
+import { pluginService } from '../../plugins/src/tools.mjs';
+import { readPluginLock } from '../../plugins/src/pinned.mjs';
 import { createRequirementsHost } from '../../tasks/src/builtin.mjs';
 import { createRequirementCatalog } from './requirement-catalog.mjs';
 import { readPrdMaterial } from '../../project/src/prd.mjs';
@@ -33,6 +37,10 @@ import { createProxyLock } from './proxy-lock.mjs';
 import { ModelKeys, modelOrganization, stopModelRuns, MODEL_STOP_TIMEOUT_MS } from './model-keys.mjs';
 import { instanceSettings } from '../../organization/src/instance-settings.mjs';
 import { organizationWriter, OrganizationError, setReplyLimits } from '../../organization/src/organization.mjs';
+import { definitionVerbs, DEFINITION_BUS_VERBS } from '../../organization/src/definition-verbs.mjs';
+import { ORG_PREFIX, orgDefinitionName } from '../../organization/src/definitions.mjs';
+import { DEFINITION_HOLDS_CREDENTIAL, heldPath, scanDefinitions } from './definition-scan.mjs';
+import { ROLE_RIGHTS } from '../../organization/src/org-rights.mjs';
 import { getProjectRemote } from '../../organization/src/project-remotes.mjs';
 import { credentialVerbs } from './credential-verbs.mjs';
 import { loadWithCopies } from '../../organization/src/agent-copies.mjs';
@@ -57,7 +65,7 @@ import { discordProcessingHooks } from '../../discord/src/processing.mjs';
 import { createContainerStopper } from '../../processing-control/src/containers.mjs';

 // Row 194 (D3): the verbs the instance writer commits, whose answers carry restart.
-const INSTANCE_VERBS = new Set(['instances.set', 'veto.set', 'instance.hire', 'instance.fire']);
+const INSTANCE_VERBS = new Set(['instances.set', 'veto.set', 'instance.fire']);
 // FED R4 (#1801, design 3.7): the revocation timer's period.
 export const ACCESS_SWEEP_MS = 30_000;
 // Trusted host API. S1 supplies resolved definitions, S6 supplies launch records and ends them.
@@ -71,10 +79,10 @@ export const ACCESS_SWEEP_MS = 30_000;
 // web.fetch still works. A plug-in that refuses to load is logged and leaves search off; it never
 // stops the broker. Under harness-builtin the harness serves web itself, so the broker gets no
 // service and refuses the web verbs.
-export async function webServices(businesses, { log = (e) => process.stderr.write(`plugins: ${JSON.stringify(e)}\n`), deps } = {}) {
+export async function webServices(businesses, { log = (e) => process.stderr.write(`plugins: ${JSON.stringify(e)}\n`), deps, dataRoot = null } = {}) {
  const services = new Map();
  for (const [name, b] of Object.entries(businesses)) {
-    const loader = createLoader({ log });
+    const loader = createLoader({ log, dataRoot });
    await loader.load(b.plugins ?? {});
    const [source] = loader.modules('search-source');
    // "harness-builtin" is served by the harness itself, not the broker: no broker web verbs.
@@ -90,7 +98,7 @@ export async function webServices(businesses, { log = (e) => process.stderr.writ
 // checks a write runs, which are synchronous. A module that doesn't load, or answers anything but a
 // list of names, answers null, which refuses the write. The tree is pinned, so a module changes only
 // with a re-pin, and a re-pin restarts the bus.
-export async function harnessLevels({ log = (e) => process.stderr.write(`plugins: ${JSON.stringify(e)}\n`) } = {}) {
+export async function harnessLevels({ log = (e) => process.stderr.write(`plugins: ${JSON.stringify(e)}\n`), dataRoot = null } = {}) {
  const levels = new Map();
  let names = [];
  try {
@@ -98,8 +106,12 @@ export async function harnessLevels({ log = (e) => process.stderr.write(`plugins
  } catch (e) {
    log({ event: 'harness-levels-unread', message: e.message });
  }
+  if (dataRoot !== null) {
+    try { names = [...new Set([...names,...Object.keys(readPluginLock(dataRoot).plugins).filter(name=>hasModule('harness',name,dataRoot))])]; }
+    catch { log({event:'harness-levels-unread',message:'installed harness discovery refused'}); }
+  }
  for (const name of names) {
-    const loader = createLoader({ log });
+    const loader = createLoader({ log, dataRoot });
    if ((await loader.load({ harness: [name] })).refused.length) continue;
    try {
      const list = loader.modules('harness')[0].levels();
@@ -291,7 +303,7 @@ export async function startBroker({
  if (copies !== null && (typeof copies !== 'object' || Array.isArray(copies) || typeof copies.org !== 'string'
      || !Object.hasOwn(businesses ?? {}, copies.org) || copies.copies === null || typeof copies.copies !== 'object' || Array.isArray(copies.copies)))
    throw new BusError('invalid-host-request');
-  const loadOrg = id => loadWithCopies(id, { dir: organization.dir, rolesDir: organization.rolesDir, snapshot: copies?.org === id ? copies : null });
+  const loadOrg = id => loadWithCopies(id, { dir: organization.dir, rolesDir: organization.rolesDir, dataRoot:instanceRoot ?? dataRoot, snapshot: copies?.org === id ? copies : null });
  if (!Array.isArray(consoleOwners) || consoleOwners.length > 512 || consoleOwners.some((o) => o === null || typeof o !== 'object' || Array.isArray(o) ||
      Object.keys(o).length !== 3 || ['provider', 'iss', 'sub'].some((k) => typeof o[k] !== 'string' || !o[k] || o[k].length > 512)))
    throw new BusError('invalid-host-request');
@@ -377,6 +389,18 @@ export async function startBroker({
      mkdirSync(storeRoot, { recursive: true, mode: 0o700 });
    credentials = new Credentials({ references, repoRoots: protectedRoots, dataRoot, storeRoot, held,
      modelAgents: proxy ? Object.entries(businesses).flatMap(([id, b]) => Object.keys(b.roles).map(role => id + '/' + role)) : [] });
+    // #1873 T1 follow-up (org-defscan): no organization definition's text holds a credential this store
+    // holds. The boot copy's org: definitions first, then every entry of the file itself, named or not.
+    // A hit refuses the start; the refusal names the definition and key, never the text.
+    const clean = value => credentials.assertClean(value);
+    for (const [id, b] of Object.entries(businesses)) {
+      scanDefinitions(b.definitions, clean, { prefix: ORG_PREFIX });
+      if (!organization) continue;
+      const raw = organizationWriter({ dir: organization.dir, rolesDir: organization.rolesDir, dataRoot: instanceRoot ?? dataRoot }).readRaw(id);
+      if (raw.readable) scanDefinitions(raw.document.definitions, clean);
+    }
+    // The boot copy snapshot's definitions (the root agents file's, A4): every reload re-applies them.
+    if (copies?.definitions !== undefined) scanDefinitions(copies.definitions, clean, { boot: true });
    if (proxy) {
      const inventory = modelRunInventory(dataRoot, modelRuns, credentials);
      modelKeys = new ModelKeys({ credentials, client: modelProxyClient, configDir: org ? instanceConfigDir : organization.dir, org: org?.id ?? null, lock: proxyLock,
@@ -406,20 +430,20 @@ export async function startBroker({

    // vikunja:19/305: the plug-in switch through the same human-only path as the limits: the verbs
    // plugins and plugins.set, logged in changes.jsonl with the actor, a missing module refused.
-    const plugins=organization?pluginSettings({dir:organization.dir,rolesDir:organization.rolesDir,exists:hasModule}):null;
-    const levels=organization?await harnessLevels():()=>null;
+    const plugins=organization?pluginSettings({dir:organization.dir,rolesDir:organization.rolesDir,dataRoot:instanceRoot ?? dataRoot,exists:(kind,name)=>hasModule(kind,name,instanceRoot ?? dataRoot)}):null;
+    const levels=organization?await harnessLevels({dataRoot:instanceRoot ?? dataRoot}):()=>null;
    // Row 333 R4 (#1831): the writer's key lineage lookup, ids only, from this bus's own credential
    // records. A daily key quota moved within one agent's lineage keeps its since and its count.
    const keyLineage=(business,keyId)=>modelKeyLineage(credentials.status(),business,keyId);
    const settings=organization?launchSettings({...organization,sessions:()=>readSessions(dataRoot),levels,keyLineage}):null;
-    modelCatalogues = modelCatalogue ?? (settings ? createModelCatalogue({ client: () => modelProxyClient, settings: id => settings.current(id).plugins ?? {}, proxyLock }) : null);
+    modelCatalogues = modelCatalogue ?? (settings ? createModelCatalogue({ pluginDataRoot:instanceRoot ?? dataRoot, client: () => modelProxyClient, settings: id => settings.current(id).plugins ?? {}, proxyLock }) : null);
    // Resolve legacy table entries with the enabled modules' declarations. A
    // missing or ambiguous mapping never becomes an available route.
    async function catalogueFor(id, options = {}) {
      const snapshot = settings.writer.read(id);
      const current = settings.current(id);
      const names = current.plugins?.['model-provider'] ?? [];
-      const loader = makeProviderLoader({log:()=>{}});
+      const loader = makeProviderLoader({dataRoot:instanceRoot ?? dataRoot,log:()=>{}});
      const loaded = await loader.load({'model-provider': names});
      const catalogue = await modelCatalogues.read(id, options);
      if (loaded.refused.length || settings.writer.read(id).revision !== snapshot.revision) return {...catalogue, status:'unavailable', legacy:{}};
@@ -479,16 +503,16 @@ export async function startBroker({
      return { revoked: services, outsideStore: how === 'fire' ? outside : [] };
    }
    // Row 165 (#1662): the human adds and changes role instances through instances and instances.set.
-    const proxyOrganization = modelKeys ? modelOrganization({ modelKeys, writer: organizationWriter({ dir: organization.dir, rolesDir: organization.rolesDir }) }) : null;
+    const proxyOrganization = modelKeys ? modelOrganization({ modelKeys, writer: organizationWriter({ dir: organization.dir, rolesDir: organization.rolesDir, dataRoot:instanceRoot ?? dataRoot }) }) : null;
    const instances=organization?instanceSettings({dir:organization.dir,rolesDir:organization.rolesDir,system:organization.system,levels,revoke,
      ...(proxyOrganization ? { writer: proxyOrganization.writer, revoke: proxyOrganization.revoke(revoke) } : {})}):null;
    const usageLog = entry => process.stderr.write(`usage: ${JSON.stringify(entry)}\n`);
    const keyForRun = (business, run) => modelRuns.get(business + ':' + run)?.keyId ?? null;
    // Row 333 R3 (#1831): the usage view marks key quotas that match no hired agent; limits answers.
    let orphanedKeys = () => null;
-    const usage = await createUsage({ store, dataRoot, businesses, log: usageLog, keyForRun,
+    const usage = await createUsage({ store, dataRoot, pluginDataRoot:instanceRoot ?? dataRoot, businesses, log: usageLog, keyForRun,
      proxyView: business => proxyUsage?.view(business) ?? null, keyOrphans: business => orphanedKeys(business) });
-    proxyUsage = createProxyUsage({ store, log: usageLog, client: async () => {
+    proxyUsage = createProxyUsage({ store, pluginDataRoot:instanceRoot ?? dataRoot, log: usageLog, client: async () => {
      if (!modelKeys) return null;
      await modelKeys.verifyIdentity();
      return modelProxyClient;
@@ -498,7 +522,7 @@ export async function startBroker({
    // Row 125 (#1619, REQ-LIMIT-3, REQ-LIMIT-4): the limit checks read the organization file at
    // each ask, so a limit, a reset or a switched-on check takes effect without a restart.
    const limitLog = entry => process.stderr.write(`limits: ${JSON.stringify(entry)}\n`);
-    const limits = createLimits({ store, read: id => settings ? settings.current(id) : businesses[id], log: limitLog,
+    const limits = createLimits({ store, pluginDataRoot:instanceRoot ?? dataRoot, read: id => settings ? settings.current(id) : businesses[id], log: limitLog,
      keyForSubject: (business, subject) => modelUsageKey(credentials.status(), modelRuns, business, subject),
      keyLineages: business => modelKeyLineages(credentials.status(), business) });
    orphanedKeys = business => limits.orphanedKeys(business);
@@ -591,7 +615,7 @@ export async function startBroker({
    // receipt-backed addition under the organization lock: the file must still be this business plus that entry,
    // with the credentials, bots, libraries, roles and prior mappings the bus booted with. Anything else leaves
    // the product pending. Both readiness records must exist before even the broker's reload begins.
-    const writer = organization ? organizationWriter({ dir: organization.dir, rolesDir: organization.rolesDir }) : null;
+    const writer = organization ? organizationWriter({ dir: organization.dir, rolesDir: organization.rolesDir, dataRoot:instanceRoot ?? dataRoot }) : null;
    const known = new Map(Object.entries(businesses).map(([id, b]) => [id, canonicalJson(b.projects ?? {})]));
    function activateManagedProject({ business: id, project, receipt, organization_revision }) {
      if (!writer || !booted.has(id) || !Object.hasOwn(businesses, id)) throw new BusError('unknown-business');
@@ -645,9 +669,19 @@ export async function startBroker({
        if (instance !== undefined && (typeof instance !== 'string' || typeof launched !== 'string')) return no('project-unknown');
        if (instance !== undefined) {
          let now;
-          try { now = writer?.read(id).revision; } catch { return no('organization-unreadable'); }
-          if (now === undefined) return no('organization-unreadable');
-          if (now !== launched) return no('organization-changed');
+          try { now = writer?.read(id); } catch { return no('organization-unreadable'); }
+          if (now?.revision === undefined) return no('organization-unreadable');
+          if (now.revision !== launched) return no('organization-changed');
+          // org-defscan (#1873): the launch boundary. A credential issued since the launcher's scan
+          // runs on this same loop, so the org: definition the instance names is checked again here,
+          // in the reply the launcher spawns after with no further wait.
+          const name = orgDefinitionName(now.document.roles?.[instance]?.definition);
+          if (name !== null) {
+            const clean = value => credentials.assertClean(value);
+            let held;
+            try { clean(name); held = heldPath(now.document.definitions?.[name], clean); } catch { held = 'name'; }
+            if (held !== null) return no(DEFINITION_HOLDS_CREDENTIAL);
+          }
        }
        for (const p of projects) {
          const result = admission({ business: id, project: p });
@@ -692,6 +726,7 @@ export async function startBroker({
      trackerOf.set(id, named ?? ((trackers ? tracked : tasks !== null) ? 'vikunja' : 'store'));
    }
    broker = new Broker({
+      pluginService: pluginService({dataRoot:instanceRoot ?? dataRoot,read:id=>organization ? loadOrg(id) : businesses[id]}),
      taskTracker: (id) => trackerOf.get(id),
      workspaceRead: state => requestWorkspace({ dataRoot, state, events: store.all("SELECT kind,actor_role,subject,body FROM events WHERE business=? AND kind IN ('task.created','task.assigned','session.launched') ORDER BY seq LIMIT 10001", state.business) }),
      requirementsHost,
@@ -760,7 +795,7 @@ export async function startBroker({
        // configured reads as unreadable, so requireCitation is true), and thread.messages' `last`.
        guard: (context, body, options) => libraryModule.guardReply({ ...context, dataRoot }, body, options),
        replyLimits: id => libraryModule.resolveReplyLimits(organization
-          ? organizationWriter({ dir: organization.dir, rolesDir: organization.rolesDir }).readRaw(id) : { readable: false }),
+          ? organizationWriter({ dir: organization.dir, rolesDir: organization.rolesDir, dataRoot:instanceRoot ?? dataRoot }).readRaw(id) : { readable: false }),
        last: (context, paths) => libraryModule.lastCommits({ ...context, dataRoot }, paths),
        GuardError: libraryModule.GuardError,
      },
@@ -791,7 +826,7 @@ export async function startBroker({
          known.set(id, canonicalJson(next.projects));
          return getProjectRemote(writer, id, args.project);
        }
-        if (verb === 'system-types.installed') return installedSystemTypes();
+        if (verb === 'system-types.installed') return installedSystemTypes({dataRoot:instanceRoot ?? dataRoot});
        if (verb === 'system-types.current') return settings.current(id).plugins?.['system-type'] ?? [];
        if(verb==='limits')return withTokens(id,settings.read(id));
        if(verb==='plugins')return {...plugins.read(id), available:{harness:levels.names ?? []}};
@@ -809,8 +844,6 @@ export async function startBroker({
        if(verb==='instances.check')return instances.checkDelete(id,args.instance,actor);
        // Row 194 b6 (webby-0094 B1): a fire's checks against the file, before step A.
        if(verb==='instance.fireCheck')return instances.checkFire(id,args.name);
-        // Internal read-only path: no reload, journal, credential or publication.
-        if(verb==='instance.hireCheck')return instances.checkHire(id,args);
        let result;
        if (['limits.set', 'instances.set'].includes(verb) && settings.current(id).plugins?.['model-provider']?.length) {
          return catalogueFor(id, { fresh: true }).then(catalogue => {
@@ -832,16 +865,21 @@ export async function startBroker({
          });
          result=settings.setRoutes(id,args,actor);
        }
-        else if(verb==='plugins.set'){result=plugins.set(id,args,actor);modelCatalogues?.invalidate();}
+        else if(verb==='plugins.set') {
+          if(actor==='tester' && Object.entries(args.plugins ?? {}).some(([kind,value])=>(Array.isArray(value)?value:[value]).some(name=>name!==null && !hasModule(kind,name)))) throw new BusError('human-required');
+          result=plugins.set(id,args,actor);modelCatalogues?.invalidate();
+        }
        // Row 194 (#1692, V6): the human's keep and noHire lists, through the instance writer.
        else if(verb==='veto.set')result=instances.veto(id,args,actor);
        // Row 298: the human's grant scope, through the instance writer.
        else if(verb==='grants.scope.set')result=instances.grantScope(id,args,actor);
        // C2-06 M11: the human's replyLimits, through the organization writer's fence.
        else if(verb==='library.limits.set')result=setReplyLimits(organizationWriter({dir:organization.dir,rolesDir:organization.rolesDir}),id,args,actor);
+        // #1873 T1: the human's definition writes. The broker passes only the business's human (the
+        // owner, so ROLE_RIGHTS.owner); the store's assertClean is the held-secret check each write needs.
+        else if(Object.hasOwn(DEFINITION_BUS_VERBS,verb))result=definitionVerbs({writer:organizationWriter({dir:organization.dir,rolesDir:organization.rolesDir}),rolesDir:organization.rolesDir,assertClean:value=>credentials.assertClean(value)})[DEFINITION_BUS_VERBS[verb]](id,args,{actor,rights:[...ROLE_RIGHTS.owner],agent:false});
        // Row 194 (D2.1, D2.2): the chief's hire and fire, with the reason in the change context.
-        else if(verb==='instance.hire')result=instances.hire(id,args,{actor,context});
-        else if(verb==='instance.fire')result=instances.fire(id,{name:args.name},{actor,context});
+        else if(verb==='instance.fire')result=instances.fire(id,{name:args.name,revision:args.revision},{actor,context});
        else throw new BusError('invalid-request');
        // Row 194 (D3 item 2): one reload, after every verb that committed, then the limit checks.
        const live=reload(id);
@@ -852,6 +890,24 @@ export async function startBroker({
        return INSTANCE_VERBS.has(verb)?{...result,restart:!live}:result;
      }):null,
      // Row 194 (D2.3): the role files as they stand, for the hire checks.
+      hires: organization ? (()=>{
+        const service=hireDecisions({writer:organizationWriter({dir:organization.dir,rolesDir:organization.rolesDir,dataRoot:instanceRoot??dataRoot}),rolesDir:organization.rolesDir,configDir:organization.dir,dataRoot,
+          system:organization.system,levels,catalogueFor:async(id,doc)=>doc.plugins?.['model-provider']?.length?catalogueFor(id,{fresh:true}):null,assertClean:value=>credentials.assertClean(value),scanDefinition:(name,entry)=>scanDefinitions({[name]:entry},value=>credentials.assertClean(value)),registryFor:doc=>organizationPlugins(instanceRoot??dataRoot,doc.plugins).registry});
+        return {...service,apply:async(id,decision,caller)=>{
+          const proposal=service.read(decision);
+          const publish=async()=>{
+            let approved=caller;
+            if(modelKeys && proposal.op==='fire' && proposal.level!=='org') {
+              const instance=`${id}/${proposal.level==='project'?`${proposal.name}.${proposal.project}`:proposal.name}`;
+              await modelKeys.prepareRevoke(instance);
+              approved={...caller,beforeWrite:()=>modelKeys.completeRevoke(instance)};
+            }
+            const result=await service.apply(id,decision,approved);reload(id);return result;
+          };
+          if(proxyOrganization && proposal.level==='org' && proposal.op==='hire')return proxyOrganization.hire(id,proposal.name,()=>service.check(id,decision,caller),publish);
+          return publish();
+        }};
+      })() : null,
      roleFile: organization ? (name) => loadRole(organization.rolesDir, name) : null,
      secretCheck: (value) => credentials.assertClean(value),
      credentialStatus: () => credentials.status(),
@@ -868,7 +924,8 @@ export async function startBroker({
        return settings;
      } : null,
      credentialVerbs: organization
-        ? credentialVerbs({ credentials, writer: organizationWriter({ dir: organization.dir, rolesDir: organization.rolesDir }) })
+        ? credentialVerbs({ credentials, writer: organizationWriter({ dir: organization.dir, rolesDir: organization.rolesDir, dataRoot:instanceRoot ?? dataRoot }),
+          organizations: () => Object.keys(businesses), boot: copies?.definitions ? { org: copies.org, definitions: copies.definitions } : null })
        : null,
      // Row 65: a new launch binds only on a harness its business switches on, read from the file
      // as it stands now; an unreadable file switches none on.
@@ -941,7 +998,7 @@ export async function startBroker({
      let factory = null;
      if (name === 'vikunja' && tasks) factory = tasks;
      else if (name !== 'vikunja' || [...Object.values(businesses)].some((b) => b?.plugins?.['task-tracker'] === 'vikunja')) {
-        const loader = createLoader({ log: pluginLog });
+        const loader = createLoader({ dataRoot:instanceRoot ?? dataRoot, log: pluginLog });
        const { refused } = await loader.load({ 'task-tracker': name });
        const [module] = loader.modules('task-tracker');
        if (!refused.length && module) factory = module.adapter({ trackers: trackers ?? {} });
@@ -963,7 +1020,7 @@ export async function startBroker({
        return one.handle(cap, verb, args);
      };
    }
-    const web = await webServices(businesses);
+    const web = await webServices(businesses,{dataRoot:instanceRoot ?? dataRoot});
    // Row 210 (#1707, design D7 step 6): clear what a killed bus child left, before anyone can call.
    if (runRoot) sweepRunDir(runRoot);
    // Row 234 (r6 X3): end the enrollments a killed bus child left, before anyone can call.
@@ -1116,6 +1173,20 @@ export async function startBroker({
        .filter((c) => c.instance === business + '/' + role)
        .map(({ service, date, state, keyId, issuedAt }) => ({ service, date, state, ...(service === 'model' ? { keyId, issuedAt } : {}) }));
    }
+    // #1873 T1 follow-up (org-defscan): the launcher's check of the org: definition it is about to
+    // launch, as it read it from the organization file. Answers where a held credential sits, or null;
+    // never the text. A malformed ask refuses, so the launch refuses.
+    function definitionScan({ business, definition, entry } = {}) {
+      if (typeof business !== 'string' || !Object.hasOwn(businesses, business) || typeof definition !== 'string'
+          || !definition.startsWith(ORG_PREFIX) || definition.length > 128 || entry === null || typeof entry !== 'object' || Array.isArray(entry))
+        throw new BusError('invalid-request');
+      let size;
+      try { size = JSON.stringify(entry).length; } catch { throw new BusError('invalid-request'); }
+      if (size > 4 * 1024 * 1024) throw new BusError('invalid-request');
+      const clean = value => credentials.assertClean(value);
+      try { clean(definition); } catch { return { held: 'name' }; }
+      return { held: heldPath(entry, clean) };
+    }
    // C2-03a: each library entry with a sync user fetches once at start, then every 60 s. A pass
    // still running skips the tick. Only codes are logged, never git's output.
    const timed = Object.values(businesses).flatMap(business => Object.entries(business.projects ?? {})
@@ -1216,13 +1287,13 @@ export async function startBroker({
        if (vars[prefix + 'model'] !== modelKey || vars[prefix + 'harness'] !== harness) return refused('model-provider-unavailable');
        const entry = current.launch?.models?.[modelKey];
        if (!entry || canonicalJson(entry) !== canonicalJson(expected ?? null) || entry.provider !== provider || entry.model !== model) return refused('model-provider-unavailable');
-        const harnessLoader = createLoader({log:()=>{}});
+        const harnessLoader = createLoader({dataRoot:instanceRoot ?? dataRoot,log:()=>{}});
        if ((await harnessLoader.load({harness:[harness]})).refused.length) return refused('model-provider-unavailable');
        const countsAccount = harnessLoader.modules('harness')[0].countsAccount();
        if (typeof countsAccount !== 'boolean' || account !== (countsAccount ? current.launch?.account?.name ?? null : null)) return refused('model-provider-unavailable');
        const names = current.plugins?.['model-provider'];
        if (!Array.isArray(names) || !names.length || (entry.module && !names.includes(entry.module))) return refused('model-provider-unavailable');
-        const loader = makeProviderLoader({log:()=>{}}), loaded = await loader.load({'model-provider':entry.module ? [entry.module] : names});
+        const loader = makeProviderLoader({dataRoot:instanceRoot ?? dataRoot,log:()=>{}}), loaded = await loader.load({'model-provider':entry.module ? [entry.module] : names});
        if (loaded.refused.length) return refused('model-provider-unavailable');
        const selected = selectModelProvider(loader.snapshot('model-provider'), entry);
        if (!selected) return refused('model-provider-unavailable');
@@ -1239,7 +1310,7 @@ export async function startBroker({
        return refused(['model-provider-unavailable','model-catalogue-unavailable','model-harness-incompatible'].includes(answer?.code) ? answer.code : 'model-provider-unavailable');
      },
      modelPreflight: async ({ business, role }) => {
-        const current = settings ? settings.current(business) : businesses[business];
+        const current = organization ? loadOrg(business) : businesses[business];
        if (!Object.hasOwn(current?.roles ?? {}, role)) throw new BusError('unknown-role');
        return modelKeys ? modelKeys.preflight(business + '/' + role) : null;
      },
@@ -1289,6 +1360,7 @@ export async function startBroker({
      sessionClearStart: (r) => broker.sessionClearStart(r),
      refuse: (cap, code, subject) => broker.refuse(cap, code, subject),
      credentialStatus,
+      definitionScan,
      launches: bound,
      readers: readCaps,
      async close() {
@@ -53,10 +53,10 @@ export function turnRecords(store, business) {
    };
  });
 }
-export async function createUsage({ store, businesses, log, keyForRun = () => null, proxyView = () => null, keyOrphans = () => null }) {
+export async function createUsage({ store, businesses, pluginDataRoot = null, log, keyForRun = () => null, proxyView = () => null, keyOrphans = () => null }) {
  const loaders = new Map();
  for (const [id, b] of Object.entries(businesses)) {
-    const loader = createLoader({ log });
+    const loader = createLoader({ log, dataRoot:pluginDataRoot });
    await loader.load(b.plugins ?? {});
    loaders.set(id, loader);
  }
@@ -8,7 +8,6 @@ import { DatabaseSync } from 'node:sqlite';
 import { fileURLToPath, pathToFileURL } from 'node:url';
 import { Store, schemaDigest } from '../src/store.mjs';
 import { Broker, ACTIONS } from '../src/broker.mjs';
-import { HIRE_ALLOWED } from '../../organization/src/vocabulary.mjs';
 import { startBroker } from '../src/runtime.mjs';
 import { businessDoc, rolesCopy, systemFor, writeJson } from '../../organization/tests/helpers.mjs';
 import { busOrganization } from '../src/organization-context.mjs';
@@ -711,380 +710,17 @@ test('row 194 T18 (D2.4): from a chief session veto.set and instances.set refuse
  assert.deepEqual(organization.at(-1), ['demo', 'veto.set', { revision: PATCH.revision, op: 'unkeep', name: 'coder' }, 'jason']);
 });

-// Row 194 (#1692, D2.1-D2.3): the chief's hire and fire. PRD 1.7 REQ-COS-3 routes role.hire and
-// role.fire within-role for the chief (sage-1471, mos-1089), so they take the reason form, as
-// role.end does: no decision, a reason of 1 to 500 characters that goes into the log. The role
-// files are stubs, so a definition's authority is the test's to set.
 const LISTED = { launch: { by: 'chief', instances: ['pm', 'coder'], keep: ['pm'], noHire: ['banned'] } };
-const roleDoc = (withinRole, extra = {}) => ({ roleVersion: 2, authority: { withinRole, crossRole: [] }, hireable: [], ...extra });
-const ROLE_FILES = {
-  'chief-of-staff': roleDoc(chiefAuthority, { hireable: ['coder', 'researcher', 'wide', 'banned'] }),
-  coder: roleDoc(['message.send', 'record.write']),
-  // A version 1 file has empty authority lists, so only the version check refuses it (M60).
-  researcher: { roleVersion: 1, authority: { withinRole: [], crossRole: [] }, hireable: [] },
-  wide: roleDoc(['message.send', 'task.create']),
-  banned: roleDoc(['message.send']),
-  pm: roleDoc(['message.send']),
-};
-const roleFile = (files) => (name) => {
-  if (!Object.hasOwn(files, name)) throw Object.assign(new Error(`no role ${name}`), { name: 'BusinessError' });
-  return files[name];
-};
-function hireSetup(t, extra = LISTED, files = ROLE_FILES) {
-  return setup(t, extra, { roleFile: roleFile(files) });
-}
-const HIRE = { name: 'helper', definition: 'coder', reason: 'more hands for the queue' };
-const FIRE = { name: 'coder', reason: 'the work is done' };
-const CONTEXT = (reason) => ({ instance: 'chief', run: 'chief-run', reason });
-const withoutReason = ({ reason, ...rest }) => rest;

-test('row 194 T8: the chief hires with a reason and no decision, the writer gets the reason as context, and the log names it', (t) => {
-  const { call, organization, allowed, store } = hireSetup(t);
-  const result = call('chief', 'instance.hire', HIRE);
-  assert.equal(result.transaction, 't-1');
-  assert.deepEqual(organization, [['demo', 'instance.hire', withoutReason(HIRE), 'chief-of-staff.chief', CONTEXT(HIRE.reason)]]);
-  const [use, ...rest] = allowed('role.hire');
-  assert.equal(rest.length, 0);
-  assert.equal(use.subject, 'helper');
-  assert.deepEqual({ reason: use.body.reason, transaction: use.body.transaction, decision: use.body.decision ?? null }, { reason: HIRE.reason, transaction: 't-1', decision: null });
-  // Within-role: no decision is raised or needed.
-  assert.equal(store.get('SELECT count(*) AS n FROM decisions').n, 0);
-  // vars reach the writer with the name and definition.
-  call('chief', 'instance.hire', { ...HIRE, name: 'aide', vars: { model: 'm', 'limits.x': 1 } });
-  assert.deepEqual(organization.at(-1)[2], { name: 'aide', definition: 'coder', vars: { model: 'm', 'limits.x': 1 } });
-});
-
-// T11 (D5): a business id names one business on one bus. The chief's hire and fire go to its own
-// business's writer, and no argument names another.
-test('row 194 T11: on a bus with two businesses, the chief of one hires and fires only in its own', (t) => {
-  const root = mkdtempSync(join(tmpdir(), 'bus-chief-two-'));
-  const store = new Store(root);
-  t.after(() => {
-    store.close();
-    rmSync(root, { recursive: true, force: true });
-  });
-  const organization = [];
-  const one = demo(LISTED).demo;
-  const b = new Broker({
-    store,
-    businesses: { demo: one, other: { ...one, id: 'other' } },
-    roleFile: roleFile(ROLE_FILES),
-    organization: (...args) => (organization.push(args), { revision: 'b'.repeat(64), transaction: 't-' + organization.length }),
-  });
-  const chief = b.bindLaunch({ business: 'demo', role: 'chief', run: 'chief-run', harness: 'pi' });
-  b.request(chief, { verb: 'role.claim' });
-  for (const verb of ['instance.hire', 'instance.fire'])
-    for (const extra of [{ business: 'other' }, { target: 'other' }])
-      assert.throws(() => b.request(chief, { verb, args: { ...(verb === 'instance.hire' ? HIRE : FIRE), ...extra } }), /invalid-request/, `${verb} ${Object.keys(extra)}`);
-  assert.equal(organization.length, 0);
-  b.request(chief, { verb: 'instance.hire', args: HIRE });
-  b.request(chief, { verb: 'instance.fire', args: FIRE });
-  assert.deepEqual(organization.map((c) => [c[0], c[1]]), [['demo', 'instance.hire'], ['demo', 'instance.fireCheck'], ['demo', 'instance.fire']]);
-  assert.equal(store.get("SELECT count(*) AS n FROM events WHERE business='other'").n, 0);
-});
-
-test('row 194 T8: hire and fire need a reason of 1 to 500 characters and refuse a decision key', (t) => {
-  const { call, organization } = hireSetup(t);
-  for (const reason of [undefined, '', 'x'.repeat(501), 7]) {
-    const r = reason === undefined ? {} : { reason };
-    assert.throws(() => call('chief', 'instance.hire', { name: 'helper', definition: 'coder', ...r }), /invalid-request/, String(reason));
-    assert.throws(() => call('chief', 'instance.fire', { name: 'coder', ...r }), /invalid-request/, String(reason));
-  }
-  assert.throws(() => call('chief', 'instance.hire', { ...HIRE, decision: 'd-1' }), /invalid-request/);
-  assert.throws(() => call('chief', 'instance.fire', { ...FIRE, decision: 'd-1' }), /invalid-request/);
-  for (const name of ['human', 'tester']) assert.throws(() => call('chief', 'instance.hire', { ...HIRE, name }), /invalid-request/, name);
-  assert.equal(organization.length, 0);
-  call('chief', 'instance.hire', { ...HIRE, reason: 'x'.repeat(500) });
-  assert.equal(organization.length, 1);
-});
-
-test('row 194 T8 (sage-1471): only the chief hires or fires; every other role refuses role-not-chief, even one granted the actions', (t) => {
-  const granted = { authority: { withinRole: ['message.send', 'role.hire', 'role.fire'], crossRole: [] } };
-  const { call, organization, allowed } = hireSetup(t, { ...LISTED, roles: { ...roles, pm: { definition: 'pm', ...granted }, coder: { definition: 'coder', ...granted } } });
-  for (const who of ['pm', 'coder', 'assistant']) {
-    assert.throws(() => call(who, 'instance.hire', HIRE), /role-not-chief/, who);
-    assert.throws(() => call(who, 'instance.fire', FIRE), /role-not-chief/, who);
-  }
-  assert.throws(() => call('tester', 'instance.hire', HIRE), /tester-refused/);
-  assert.throws(() => call('reader', 'instance.hire', HIRE), /read-only/);
-  assert.throws(() => call('human', 'instance.fire', FIRE), /agent-required/);
-  assert.equal(organization.length, 0);
-  assert.equal(allowed('role.hire').length + allowed('role.fire').length, 0);
-});
-
-test('row 194 T8 (sage-1471): a chief whose authority lacks role.hire or role.fire refuses decision-required before the writer', (t) => {
-  for (const missing of ['role.hire', 'role.fire']) {
-    const authority = { withinRole: chiefAuthority.withinRole.filter((a) => a !== missing), crossRole: [] };
-    const { call, organization, lastClaim } = hireSetup(t, { ...LISTED, roles: { ...roles, chief: { definition: 'chief-of-staff', authority } } });
-    const [verb, args] = missing === 'role.hire' ? ['instance.hire', HIRE] : ['instance.fire', FIRE];
-    assert.throws(() => call('chief', verb, args), /decision-required/, missing);
-    assert.equal(organization.length, 0, missing);
-    assert.equal(lastClaim('coder').op, 'claim', missing);
-    // The other action still goes through.
-    const [other, otherArgs] = missing === 'role.hire' ? ['instance.fire', FIRE] : ['instance.hire', HIRE];
-    call('chief', other, otherArgs);
-    assert.equal(organization.filter(([, verb]) => verb !== 'instance.fireCheck').length, 1, missing);
-  }
-});
-
-test('row 194 T8a: a re-hire of a fired name goes to the writer like a hire, and the writer\'s refusals pass through by name', (t) => {
-  const { call, organization, writer } = hireSetup(t);
-  const again = { name: 'coder', definition: 'coder', reason: 'needed again' };
-  for (const code of ['organization-instance-exists', 'organization-instance-retired', 'definition-not-hireable', 'instance-kept']) {
-    writer.error = Object.assign(new Error(code), { code });
-    assert.throws(() => call('chief', 'instance.hire', again), new RegExp(code));
-  }
-  writer.error = null;
-  call('chief', 'instance.hire', again);
-  assert.deepEqual(organization.at(-1).slice(1, 3), ['instance.hire', withoutReason(again)]);
-});
-
-test('row 194 T8b: a definition is hireable only when every action is on HIRE_ALLOWED, it is version 2, the chief lists it and noHire doesn\'t', (t) => {
-  assert.deepEqual([...HIRE_ALLOWED], ['message.send', 'record.write', 'review.request', 'task.update.assigned', 'task.scope.change', 'git.push.working']);
-  for (const action of ACTIONS) {
-    const files = { ...ROLE_FILES, wide: roleDoc(['message.send', action]) };
-    const { call, organization } = hireSetup(t, LISTED, files);
-    const run = () => call('chief', 'instance.hire', { ...HIRE, definition: 'wide' });
-    if (HIRE_ALLOWED.includes(action)) {
-      run();
-      assert.equal(organization.length, 1, action);
-    } else {
-      assert.throws(run, /definition-not-hireable/, action);
-      assert.equal(organization.length, 0, action);
-    }
-  }
-  const { call, organization } = hireSetup(t);
-  const hire = (definition) => call('chief', 'instance.hire', { ...HIRE, definition });
-  // Version 1 (M60), noHire, not on the chief's list, and no role file.
-  for (const definition of ['researcher', 'banned', 'pm', 'nothing'])
-    assert.throws(() => hire(definition), /definition-not-hireable/, definition);
-  assert.equal(organization.length, 0);
-  hire('coder');
-  assert.equal(organization.length, 1);
-});
-
-test('row 194 T8b: a hire without the role files configured refuses not-configured', (t) => {
-  const { call, organization } = setup(t, LISTED);
-  assert.throws(() => call('chief', 'instance.hire', HIRE), /not-configured/);
-  assert.equal(organization.length, 0);
-  assert.throws(() => new Broker({ store: null, businesses: demo(), roleFile: 'roles' }), /roleFile must be a function/);
-});
-
-test('row 194 T9: a fire revokes the claim, cancels open requests, asks the launcher to kill the runs, then delists and logs', (t) => {
-  const { call, organization, allowed, lastClaim, writer } = hireSetup(t);
-  // An open launch request of the coder, made by the human.
-  const open = call('human', 'instance.launch', { instance: 'coder' }).request;
-  let seen = null;
-  writer.during = ([, verb]) => { if (verb === 'instance.fire') seen = { stopped: allowed('fire.stopped').length, claim: lastClaim('coder').op, used: allowed('role.fire').length }; };
-  const result = call('chief', 'instance.fire', FIRE);
-  // Step A ran before the writer; step C after it.
-  assert.deepEqual(seen, { stopped: 1, claim: 'revoke', used: 0 });
-  assert.deepEqual(lastClaim('coder'), { op: 'revoke', decision: null, reason: 'the work is done', by: 'chief-run' });
-  assert.deepEqual(result.runs, ['coder-run']);
-  assert.deepEqual(result.cancelled, [open]);
-  assert.deepEqual(organization.at(-1), ['demo', 'instance.fire', { name: 'coder' }, 'chief-of-staff.chief', CONTEXT(FIRE.reason)]);
-  const [end] = allowed('lifecycle.end');
-  assert.equal(end.subject, 'coder');
-  assert.deepEqual({ ...end.body, request: null }, { action: 'lifecycle.end', request: null, via: 'chief', by: 'chief', runs: ['coder-run'], reason: 'the work is done', kill: true });
-  assert.equal(allowed('lifecycle.cancelled').filter((e) => e.body.request === open).length, 1);
-  const [use] = allowed('role.fire');
-  assert.equal(use.subject, 'coder');
-  assert.equal(use.body.reason, 'the work is done');
-  assert.equal(use.body.transaction, result.transaction);
-  assert.deepEqual(allowed('fire.done').map((e) => [e.subject, e.body.transaction]), [['coder', result.transaction]]);
-  // The human's read of the request shows the kill.
-  assert.equal(call('human', 'instance.request', { request: end.body.request }).kill, true);
-});
-
-// S6 (D2.2): the launcher closes a fire's end with the runs row 191's stop killed or left alive, and
-// each becomes its own event against the instance. Only a fire's end carries them.
-test('row 194 T9a (bus): a fire end\'s done writes lifecycle.end.killed and lifecycle.end.alive with run and pid, and an unknown stop\'s reason; a terminate\'s done or a bad stop refuses', (t) => {
-  const { b, call, allowed } = hireSetup(t);
-  call('chief', 'instance.fire', FIRE);
-  const [end] = allowed('lifecycle.end');
-  const request = end.body.request;
-  assert.equal(b.lifecycleTake({ business: 'demo', request }).go, true);
-  const done = (stops) => b.lifecycleDone({ business: 'demo', request, stops });
-  for (const bad of [[{ run: 'coder-run', pid: 4242, outcome: 'stopped' }], [{ run: 'coder-run', pid: 1, outcome: 'killed' }],
-    [{ run: 'coder-run', outcome: 'killed' }], [{ run: 'coder-run', pid: 4242, outcome: 'killed', signals: [] }], 'killed',
-    // sage-2289: only an alive stop carries a reason, and only unknown.
-    [{ run: 'coder-run', pid: 4242, outcome: 'killed', reason: 'unknown' }], [{ run: 'coder-run', pid: null, outcome: 'alive', reason: 'stuck' }]])
-    assert.throws(() => done(bad), { code: 'invalid-request' }, JSON.stringify(bad));
-  const closed = done([{ run: 'coder-run', pid: 4242, outcome: 'killed' }, { run: 'coder-other', pid: null, outcome: 'alive' },
-    { run: 'coder-unknown', pid: null, outcome: 'alive', reason: 'unknown' }]);
-  assert.equal(closed.state, 'closed');
-  assert.deepEqual(allowed('lifecycle.end.killed').map((e) => [e.subject, e.body]), [['coder', { action: 'lifecycle.end.killed', request, run: 'coder-run', pid: 4242 }]]);
-  assert.deepEqual(allowed('lifecycle.end.alive').map((e) => [e.subject, e.body]), [['coder', { action: 'lifecycle.end.alive', request, run: 'coder-other', pid: null }],
-    ['coder', { action: 'lifecycle.end.alive', request, run: 'coder-unknown', pid: null, reason: 'unknown' }]]);
-  // A terminate's end sends SIGTERM only, so its done has no stops.
-  const term = call('human', 'instance.end', { instance: 'pm' }).request;
-  assert.equal(b.lifecycleTake({ business: 'demo', request: term }).go, true);
-  assert.throws(() => b.lifecycleDone({ business: 'demo', request: term, stops: [{ run: 'pm-run', pid: 4242, outcome: 'killed' }] }), { code: 'invalid-request' });
-  assert.equal(allowed('lifecycle.end.killed').length, 1);
-  assert.equal(b.lifecycleDone({ business: 'demo', request: term }).state, 'closed');
-});
-
-test('row 194 T9: fire refusals come before step A and leave the claim, the requests and the file alone', (t) => {
-  const { call, organization, allowed, lastClaim } = hireSetup(t, { launch: { by: 'chief', instances: ['coder'], keep: ['pm'] } });
-  const fire = (name) => call('chief', 'instance.fire', { name, reason: 'r' });
-  assert.throws(() => fire('pm'), /instance-kept/);
-  assert.throws(() => fire('nobody'), /unknown-role/);
-  assert.throws(() => fire('assistant'), /organization-definition-refused/);
-  assert.throws(() => fire('chief'), /organization-instance-referenced/);
-  assert.throws(() => fire('coder'), /invalid-request/);
-  assert.equal(organization.length, 0);
-  assert.equal(allowed('fire.stopped').length + allowed('lifecycle.end').length + allowed('role.fire').length, 0);
-  assert.equal(lastClaim('coder').op, 'claim');
-});
-
-test('row 194 T9c: a writer failure at B leaves the instance firing, and the repeat delists and logs once', (t) => {
-  const { call, b, caps, organization, allowed, writer } = hireSetup(t);
-  writer.during = ([, verb]) => { if (verb === 'instance.fire') throw new Error('disk'); };
-  assert.throws(() => call('chief', 'instance.fire', FIRE), /outcome-unknown/);
-  writer.during = null;
-  assert.equal(allowed('fire.stopped').length, 1);
-  assert.equal(allowed('role.fire').length, 0);
-  // W-N1: while it fires, no launch of the instance starts by any path.
-  assert.throws(() => call('human', 'instance.launch', { instance: 'coder' }), /instance-firing/);
-  assert.throws(() => b.authorize(caps.chief, 'role.launch', { target: 'coder' }), /instance-firing/);
-  // The repeat has no claim to revoke. The revoked run is still bound until the launcher reports it
-  // ended, so the repeat asks for its kill again, then delists and logs.
-  const result = call('chief', 'instance.fire', FIRE);
-  assert.deepEqual(result.runs, ['coder-run']);
-  assert.equal(organization.filter(([, verb]) => verb === 'instance.fire').length, 2);
-  assert.equal(allowed('role.fire').length, 1);
-  assert.deepEqual(allowed('lifecycle.end').map((e) => e.body.kill), [true, true]);
-  // Once done, the instance launches again.
-  assert.ok(call('human', 'instance.launch', { instance: 'coder' }).request);
-});
-
-test('row 194 T9c: a failure at C leaves the fire unlogged and the instance firing, and the repeat logs it', (t) => {
-  const { call, organization, allowed, store, writer } = hireSetup(t);
-  // The delist commits, then the step C transaction aborts.
-  writer.during = ([, verb]) => verb === 'instance.fire' && store.run("CREATE TRIGGER fail_c BEFORE INSERT ON events WHEN json_extract(new.body,'$.action')='fire.done' BEGIN SELECT RAISE(ABORT, 'c failed'); END");
-  assert.throws(() => call('chief', 'instance.fire', FIRE));
-  writer.during = null;
-  store.run('DROP TRIGGER fail_c');
-  assert.equal(allowed('role.fire').length, 0);
-  assert.equal(allowed('fire.done').length, 0);
-  assert.throws(() => call('human', 'instance.launch', { instance: 'coder' }), /instance-firing/);
-  call('chief', 'instance.fire', FIRE);
-  assert.equal(organization.filter(([, verb]) => verb === 'instance.fire').length, 2);
-  assert.equal(allowed('role.fire').length, 1);
-  assert.equal(allowed('fire.done').length, 1);
-  assert.ok(call('human', 'instance.launch', { instance: 'coder' }).request);
-});
-
-test('row 194 W-N1: a fire.done before a later fire.stopped of the same instance leaves it firing; another instance\'s done does not end it', (t) => {
-  const { call, store } = hireSetup(t);
-  const step = (instance, action) =>
-    store.run("INSERT INTO events(id,at,business,kind,actor_role,actor_run,subject,body) VALUES(?,?,'demo','action.allowed','chief','chief-run',?,?)",
-      `${action}-${instance}-${Math.random()}`, new Date().toISOString(), instance, JSON.stringify({ action, request: null, transaction: null }));
-  step('coder', 'fire.done');
-  step('coder', 'fire.stopped');
-  step('pm', 'fire.done');
-  assert.throws(() => call('human', 'instance.launch', { instance: 'coder' }), /instance-firing/);
-  step('coder', 'fire.done');
-  assert.ok(call('human', 'instance.launch', { instance: 'coder' }).request);
-});
-
-test('row 194 T10: a hire or fire of a kept name refuses instance-kept before the writer', (t) => {
-  const { call, organization, lastClaim, allowed } = hireSetup(t);
-  assert.throws(() => call('chief', 'instance.hire', { ...HIRE, name: 'pm' }), /instance-kept/);
-  assert.throws(() => call('chief', 'instance.fire', { ...FIRE, name: 'pm' }), /instance-kept/);
-  assert.equal(organization.length, 0);
-  assert.equal(lastClaim('pm').op, 'claim');
-  assert.equal(allowed('role.hire').length + allowed('role.fire').length, 0);
-});
-
-// webby-0094 B1: the file's keep, which this copy hasn't loaded, refuses at the fire check, before
-// step A revokes, ends or marks anything, so the instance isn't left firing.
-test('row 194 T10: a fire the writer\'s check refuses from the file stops nothing and leaves the instance launchable', (t) => {
-  const { call, organization, lastClaim, allowed, writer } = hireSetup(t);
-  writer.during = ([, verb]) => { if (verb === 'instance.fireCheck') throw Object.assign(new Error('instance-kept'), { code: 'instance-kept' }); };
-  assert.throws(() => call('chief', 'instance.fire', FIRE), /instance-kept/);
-  writer.during = null;
-  assert.deepEqual(organization.map(([, verb]) => verb), ['instance.fireCheck']);
-  assert.equal(lastClaim('coder').op, 'claim');
-  assert.equal(allowed('fire.stopped').length + allowed('lifecycle.end').length + allowed('role.fire').length, 0);
-  assert.ok(call('human', 'instance.launch', { instance: 'coder' }).request);
-});
-
-test('row 194 T18: hire and fire take only their own keys, and a refused call writes nothing', (t) => {
-  const { call, organization, allowed } = hireSetup(t);
-  for (const extra of [{ keep: ['x'] }, { launch: {} }, { revision: 'a'.repeat(64) }, { force: true }]) {
-    assert.throws(() => call('chief', 'instance.hire', { ...HIRE, ...extra }), /invalid-request/, JSON.stringify(extra));
-    assert.throws(() => call('chief', 'instance.fire', { ...FIRE, ...extra }), /invalid-request/, JSON.stringify(extra));
-  }
-  assert.throws(() => call('chief', 'instance.hire', { ...HIRE, vars: { harness: 'pi' } }), /invalid-request/);
-  assert.throws(() => call('chief', 'instance.fire', { ...FIRE, definition: 'coder' }), /invalid-request/);
-  assert.equal(organization.length, 0);
-  assert.equal(allowed('fire.stopped').length, 0);
-});
-
-test('row 194 T8, T9, T18: through the runtime the chief hires and fires with the real writer, the receipt carries the reason, and a refusal leaves the file alone', async (t) => {
-  const root = mkdtempSync(join(tmpdir(), 'bus-chief-hire-'));
-  const rolesDir = rolesCopy(root);
-  // A hireable scratch definition: version 2, no credentials, every action on HIRE_ALLOWED.
-  writeFileSync(join(rolesDir, 'aide.md'), '# Aide\n\n## Authority\n');
-  writeJson(join(rolesDir, 'aide.json'), {
-    roleVersion: 2, name: 'aide', title: 'Aide', contract: 'aide.md', tools: ['read'], network: 'api-only',
-    authority: { withinRole: ['message.send'], crossRole: [] }, credentials: [],
-  });
-  const chiefFile = join(rolesDir, 'chief-of-staff.json');
-  writeJson(chiefFile, { ...JSON.parse(readFileSync(chiefFile, 'utf8')), hireable: ['aide'] });
-  const file = join(root, 'businesses/demo.json');
-  writeJson(file, { ...businessDoc(root, 'demo'), plugins: { harness: ['pi'] } });
-  mkdirSync(join(root, 'data'), { mode: 0o700 });
-  // The boot copy is the file's own bus form, as cli bootConfig builds it, so a write reloads.
-  const busForm = (dir, roles) => {
-    const b = loadBusiness('demo', { dir, rolesDir: roles });
-    const resolved = {};
-    for (const instance of Object.keys(b.roles)) resolved[instance] = resolveInstance({ system: systemFor(dir), business: b, instance });
-    return busOrganization(b, resolved);
-  };
-  const bus = await startBroker({
-    dataRoot: join(root, 'data'),
-    businesses: { demo: busForm(root, rolesDir) },
-    organization: { dir: root, rolesDir, system: systemFor(root) },
-  });
-  t.after(async () => {
-    await bus.close();
-    rmSync(root, { recursive: true, force: true });
-  });
-  const { broker } = bus;
-  const chief = broker.bindLaunch({ business: 'demo', role: 'chief', run: 'chief-run', harness: 'pi' });
-  broker.request(chief, { verb: 'role.claim' });
-  const call = (cap, verb, args) => broker.request(cap, { verb, args });
-  const receipts = () =>
-    readFileSync(join(root, 'businesses/.history/demo/changes.jsonl'), 'utf8').trim().split('\n').map(JSON.parse).filter((r) => r.state === 'committed');
-  const document = () => JSON.parse(readFileSync(file, 'utf8'));
-
-  // The shipped chief file grants both actions, so the runtime takes the reason form.
-  // A refused hire: coder declares credentials and isn't on the chief's list. The file is unchanged.
-  const bytes = readFileSync(file, 'utf8');
-  assert.throws(() => call(chief, 'instance.hire', { name: 'helper', definition: 'coder', reason: 'r' }), /definition-not-hireable/);
-  assert.equal(readFileSync(file, 'utf8'), bytes);
-
-  call(chief, 'instance.hire', { name: 'helper', definition: 'aide', reason: 'more hands' });
-  assert.deepEqual(document().roles.helper, { definition: 'aide' });
-  assert.ok(document().launch.instances.includes('helper'));
-  const [h] = receipts().slice(-1);
-  assert.equal(h.actor, 'chief-of-staff.chief');
-  assert.deepEqual(h.context, CONTEXT('more hands'));
-
-  const result = call(chief, 'instance.fire', { name: 'helper', reason: 'the work is done' });
-  assert.equal(result.delisted, true);
-  assert.ok(!document().launch.instances.includes('helper'));
-  assert.deepEqual(receipts().slice(-1)[0].context, CONTEXT('the work is done'));
-  // The reloaded business sees the delist: a refused call leaves the file alone.
-  const after = readFileSync(file, 'utf8');
-  assert.throws(() => call(chief, 'instance.fire', { name: 'helper', reason: 'again', extra: 1 }), /invalid-request/);
-  assert.equal(readFileSync(file, 'utf8'), after);
+test('A4 the retired lifecycle verbs always require a decision and never call the writer',t=>{
+  const {call,organization}=setup(t,KEPT);
+  for(const who of ['chief','coder','human'])for(const verb of ['instance.hire','instance.fire'])
+    assert.throws(()=>call(who,verb,{name:'coder',definition:'coder',reason:'help'}),{code:'decision-required'});
+  assert.equal(organization.length,0);
 });

 test('row 194 W-N1: the launcher\'s take of a launch or regenerate of a firing instance closes it as instance-firing', (t) => {
-  const { b, call, store } = hireSetup(t);
+  const { b, call, store } = setup(t,LISTED);
  const launch = call('human', 'instance.launch', { instance: 'coder' }).request;
  const regenerate = call('human', 'instance.regenerate', { instance: 'pm' }).request;
  // A fire's step A as the store holds it with no step C, for requests step A didn't see.
@@ -89,7 +89,7 @@ function setup(t) {
 // #797 / #1839 adds the owner-only artifact read to the existing decision and request controls;
 // no unsuffixed verb is ever a console verb.
 test('N4: owner Console verbs have an explicit immutable whitelist and exclude decision.resolve', () => {
-  assert.deepEqual([...CONSOLE_VERBS], ['system-types.console', 'project.remote.get.console', 'project.remote.set.console', 'request.workspace.console', 'request.artifact.console', 'decision.preview.console', 'decision.resolve.console', 'prd.revoke.console', 'request.mode.console', 'request.draft.console',
+  assert.deepEqual([...CONSOLE_VERBS], ['system-types.console', 'project.remote.get.console', 'project.remote.set.console', 'request.workspace.console', 'request.artifact.console', 'decision.preview.console', 'decision.resolve.console', 'hire.preview.console', 'hire.resolve.console', 'hire.start.console', 'hire.templates.console', 'prd.revoke.console', 'request.mode.console', 'request.draft.console',
    'request.get.console', 'request.projects.console', 'request.answer.console', 'request.attach.console', 'request.cancel.console']);
  assert.ok(CONSOLE_VERBS.every(verb => verb.endsWith('.console')));
  assert.equal(CONSOLE_VERBS.includes('decision.resolve'), false);
@@ -0,0 +1,336 @@
+// #1873 T1 follow-up (org-defscan): bus start runs the live credential store's held-secret check on
+// every organization definition, and the launch check asks the bus the same question. A hit names
+// the definition and the key, never the text there or the credential's name.
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import { readdirSync, readFileSync, writeFileSync } from 'node:fs';
+import { join } from 'node:path';
+import { BusError } from '../src/broker.mjs';
+import { REFUSALS } from '../src/refusals.mjs';
+import { DEFINITION_HOLDS_CREDENTIAL, DEFINITION_SCAN_UNREADABLE, heldPath, scanDefinitions, scanOrganizations } from '../src/definition-scan.mjs';
+import { startBroker } from '../src/runtime.mjs';
+import { organizationWriter } from '../../organization/src/organization.mjs';
+import { bootConfig, loadSystem } from '../../cli/src/config.mjs';
+import { fixture, tmp } from '../../cli/tests/helpers.mjs';
+import { entryFromTemplate, readTemplate } from '../../organization/src/definitions.mjs';
+import { REPO_ROLES, writeJson } from '../../organization/tests/helpers.mjs';
+
+// The fixture bus holds SENTINEL as coder's gitea token.
+const SENTINEL = 'sk-test-NOT-A-SECRET-1234';
+const UNHELD = 'sk-test-UNHELD-LOOKS-LIKE-A-TOKEN-0000';
+
+function files(dir) {
+  return readdirSync(dir, { withFileTypes: true }).flatMap((e) => e.isDirectory() ? files(join(dir, e.name)) : e.isFile() ? [join(dir, e.name)] : []);
+}
+
+// An organization whose coder names org:builder, a copy of the coder template; `edit` changes the
+// builder entry before the file is written. `held` is the coder's gitea token at start.
+function org(t, edit = (entry) => entry, { held = SENTINEL } = {}) {
+  const root = tmp(t, 'defscan-');
+  const builder = edit(entryFromTemplate(readTemplate(REPO_ROLES, 'coder')));
+  const f = fixture(root, 'acme', (doc) => ({ ...doc, definitions: { builder }, roles: { ...doc.roles, coder: { ...doc.roles.coder, definition: 'org:builder' } } }));
+  writeFileSync(f.doc.roles.coder.credentials.gitea.file, held);
+  const file = join(root, 'config/businesses/acme.json');
+  const boot = () => bootConfig({ system: loadSystem({ env: f.env }), businessId: 'acme', env: f.env });
+  const start = (b = boot()) => startBroker({ dataRoot: f.dataRoot, businesses: b.businesses, organization: b.organization });
+  return { root, f, file, boot, start };
+}
+
+function refusedWithout(e, reason) {
+  assert.ok(e instanceof BusError, String(e));
+  assert.equal(e.code, DEFINITION_HOLDS_CREDENTIAL);
+  assert.equal(e.reason, reason);
+  for (const text of [e.message, e.reason, String(e.stack), JSON.stringify(e)]) {
+    assert.ok(!text.includes(SENTINEL), 'the refusal never carries the value');
+    assert.ok(!/gitea/.test(text), 'the refusal never names the credential');
+  }
+  return true;
+}
+
+// The start's outcome: the refusal, or "started" after closing a bus that should not have started.
+const outcome = (start) => start.then(async (bus) => { await bus.close(); return 'started'; }, (e) => e);
+
+function nothingWritten(root) {
+  for (const path of files(root)) {
+    if (path.endsWith('.token') || path.endsWith('acme.json')) continue;
+    assert.ok(!readFileSync(path).includes(SENTINEL), path);
+  }
+}
+
+test('org-defscan: the refusal code is in the TI refusal table with a next step', () => {
+  const entry = REFUSALS[DEFINITION_HOLDS_CREDENTIAL];
+  assert.ok(entry, 'definition-holds-credential is a known refusal');
+  assert.match(entry.rail, /^R\d+:/);
+  assert.match(entry.nextStep, /definition/);
+  assert.match(entry.nextStep, /issue the credential again/);
+  assert.match(entry.nextStep, /For a hire, deny it/);
+  // The issue-time check's fail-closed code for an organization file it cannot read.
+  const unreadable = REFUSALS[DEFINITION_SCAN_UNREADABLE];
+  assert.ok(unreadable, 'definition-scan-unreadable is a known refusal');
+  assert.match(unreadable.rail, /^R\d+/);
+  assert.match(unreadable.nextStep, /organization file/);
+  assert.equal(new BusError(DEFINITION_SCAN_UNREADABLE).nextStep, unreadable.nextStep);
+});
+
+test('org-defscan: a held credential in a definition\'s instructions refuses bus start, naming definition and key only', async (t) => {
+  const o = org(t, (entry) => ({ ...entry, instructions: `${entry.instructions}\nThe forge token is ${SENTINEL}.\n` }));
+  refusedWithout(await outcome(o.start()), 'definitions.builder instructions holds a credential this bus holds');
+  nothingWritten(o.root);
+});
+
+test('org-defscan: a held credential in a personality field refuses bus start the same way', async (t) => {
+  const o = org(t, (entry) => ({ ...entry, personality: { summary: `Careful. Key ${SENTINEL}.`, traits: ['plain'] } }));
+  refusedWithout(await outcome(o.start()), 'definitions.builder personality.summary holds a credential this bus holds');
+  const p = org(t, (entry) => ({ ...entry, personality: { summary: 'Careful.', traits: ['plain', `x${SENTINEL}`] } }));
+  refusedWithout(await outcome(p.start()), 'definitions.builder personality.traits[1] holds a credential this bus holds');
+  nothingWritten(o.root);
+  nothingWritten(p.root);
+});
+
+test('org-defscan: a definition in the file but not in the boot copy is checked too', async (t) => {
+  const o = org(t);
+  const boot = o.boot();
+  // Written after the load and before the bus starts: no instance names it, so only the raw read sees it.
+  const doc = JSON.parse(readFileSync(o.file, 'utf8'));
+  doc.definitions.spare = { ...doc.definitions.builder, instructions: `Spare: ${SENTINEL}\n` };
+  writeJson(o.file, doc);
+  refusedWithout(await outcome(o.start(boot)), 'definitions.spare instructions holds a credential this bus holds');
+});
+
+test('org-defscan: a clean file starts, and token-looking text the store does not hold starts', async (t) => {
+  for (const edit of [(entry) => entry, (entry) => ({ ...entry, instructions: `${entry.instructions}\nExample: ${UNHELD}\n`, personality: { summary: `Says ${UNHELD}.` } })]) {
+    const o = org(t, edit);
+    const bus = await o.start();
+    try {
+      // The launch check's question: a clean entry answers null, a held one names the key only.
+      const entry = o.boot().businesses.acme.definitions['org:builder'];
+      assert.deepEqual(bus.definitionScan({ business: 'acme', definition: 'org:builder', entry }), { held: null });
+      const hit = bus.definitionScan({ business: 'acme', definition: 'org:builder', entry: { ...entry, instructions: `x ${SENTINEL}` } });
+      assert.deepEqual(hit, { held: 'instructions' });
+      // A malformed question refuses rather than answering clean.
+      for (const bad of [{}, { business: 'acme', definition: 'builder', entry }, { business: 'other', definition: 'org:builder', entry },
+        { business: 'acme', definition: 'org:builder', entry: null }, { business: 'acme', definition: 'org:builder', entry: [entry] }])
+        assert.throws(() => bus.definitionScan(bad), (e) => e.code === 'invalid-request');
+    } finally {
+      await bus.close();
+    }
+  }
+});
+
+// The coder's gitea credential as the human verb issues or rotates it.
+function verbs(o, bus) {
+  const human = bus.broker.bindHuman({ business: 'acme', human: o.f.doc.human, via: 'cli', outsideAgent: true });
+  return {
+    issue: (token) => bus.broker.request(human, { verb: 'credentials.issue', args: { agent: 'coder', service: 'gitea', token, date: '2099-01-01' } }),
+    revoke: () => bus.broker.request(human, { verb: 'credentials.revoke', args: { agent: 'coder', service: 'gitea', reason: 'test' } }),
+  };
+}
+// Whether the bus holds `value` now, asked the way the launch check asks.
+const holds = (bus, value) => bus.definitionScan({ business: 'acme', definition: 'org:builder', entry: { instructions: `x ${value}` } }).held !== null;
+const state = (bus) => bus.credentials.status().find((e) => e.instance === 'acme/coder' && e.service === 'gitea')?.state;
+
+function issueRefused(e, value, reason) {
+  assert.ok(e instanceof BusError, String(e));
+  assert.equal(e.code, DEFINITION_HOLDS_CREDENTIAL);
+  assert.equal(e.reason, reason);
+  for (const text of [e.message, e.reason, String(e.stack), JSON.stringify(e)]) {
+    assert.ok(!text.includes(value), 'the refusal never carries the value');
+    assert.ok(!/gitea/.test(text), 'the refusal never names the credential');
+  }
+  return true;
+}
+
+// No file under the root holds `value` except the organization file it was written into and that
+// file's own history copies.
+function onlyInOrganization(root, value) {
+  for (const path of files(root))
+    if (!path.endsWith('acme.json') && !path.includes('/businesses/.history/acme/')) assert.ok(!readFileSync(path).includes(value), path);
+}
+
+test('org-defscan: a credential issued between the final launch admission and spawn is refused at issue; the store stays as it was', async (t) => {
+  // The definition carries text that is not held at start. After the launch's final admission answers
+  // ready, the human rotates the coder's token to that text with the same date. On the bus before this
+  // fix the rotate succeeded and the agent spawned with a held value in its contract.
+  const FIRST = 'fake_first_token_0123456789';
+  const o = org(t, (entry) => ({ ...entry, instructions: `${entry.instructions}\nExample ${SENTINEL}\n` }), { held: 'fake_boot_token_5555555555' });
+  const boot = o.boot();
+  const bus = await o.start(boot);
+  t.after(() => bus.close());
+  const v = verbs(o, bus);
+  // A clean issue still works.
+  assert.equal(v.issue(FIRST).state, 'valid');
+  const writer = organizationWriter({ dir: boot.organization.dir, rolesDir: boot.organization.rolesDir, dataRoot: o.f.dataRoot });
+  const revision = writer.read('acme').revision;
+  const changes = files(o.root).filter((p) => p.endsWith('changes.jsonl')).map((p) => [p, readFileSync(p, 'utf8')]);
+  const entry = o.boot().businesses.acme.definitions['org:builder'];
+  assert.deepEqual(bus.definitionScan({ business: 'acme', definition: 'org:builder', entry }), { held: null });
+  const final = () => bus.admission({ business: 'acme', projects: [], instance: 'coder', revision });
+  assert.equal(final().ready, true);
+  // Between the admission's answer and the spawn: the rotate.
+  assert.throws(() => v.issue(SENTINEL), (e) => issueRefused(e, SENTINEL, 'organization acme definitions.builder instructions holds the credential being issued'));
+  // Nothing changed: the old token is held, the new one is not, the file and its receipts are as they were.
+  assert.ok(holds(bus, FIRST) && !holds(bus, SENTINEL));
+  assert.equal(state(bus), 'valid');
+  assert.equal(writer.read('acme').revision, revision);
+  for (const [p, text] of changes) assert.equal(readFileSync(p, 'utf8'), text, p);
+  onlyInOrganization(o.root, SENTINEL);
+  assert.equal(final().ready, true, 'the contract the agent gets holds no held value');
+});
+
+test('org-defscan: issue over a revoked entry refuses the same way for a personality field, and a clean issue then works', async (t) => {
+  const o = org(t, (entry) => ({ ...entry, personality: { summary: 'Careful.', traits: ['plain', `uses ${SENTINEL}`] } }), { held: 'fake_boot_token_5555555555' });
+  const bus = await o.start();
+  t.after(() => bus.close());
+  const v = verbs(o, bus);
+  v.revoke();
+  assert.equal(state(bus), 'revoked');
+  assert.throws(() => v.issue(SENTINEL), (e) => issueRefused(e, SENTINEL, 'organization acme definitions.builder personality.traits[1] holds the credential being issued'));
+  assert.equal(state(bus), 'revoked');
+  assert.ok(!holds(bus, SENTINEL));
+  onlyInOrganization(o.root, SENTINEL);
+  const issued = v.issue('fake_clean_token_4444444444');
+  assert.deepEqual([issued.verb, issued.state], ['issue', 'valid']);
+});
+
+test('org-defscan: a value held without the issue verb still refuses the launch at its final admission, even when the file revision is unchanged', async (t) => {
+  // Defence behind the issue check: the store comes to hold text already in the definition by a path
+  // other than the human verb, which leaves the organization file's bytes, so its revision, as they were.
+  const ROTATED = 'fake_rotated_token_9876543210';
+  const o = org(t, (entry) => ({ ...entry, instructions: `${entry.instructions}\nExample ${ROTATED}\n` }));
+  const boot = o.boot();
+  const bus = await o.start(boot);
+  t.after(() => bus.close());
+  const writer = organizationWriter({ dir: boot.organization.dir, rolesDir: boot.organization.rolesDir, dataRoot: o.f.dataRoot });
+  const revision = writer.read('acme').revision;
+  const final = () => bus.admission({ business: 'acme', projects: [], instance: 'coder', revision });
+  assert.equal(final().ready, true);
+  bus.credentials.issue('acme/coder', 'gitea', ROTATED, '2099-01-01');
+  assert.equal(writer.read('acme').revision, revision, 'the store change left the file as it was');
+  assert.deepEqual(final(), { ready: false, revision: null, code: DEFINITION_HOLDS_CREDENTIAL });
+  // An instance on a shipped template is not asked about a definition.
+  assert.equal(bus.admission({ business: 'acme', projects: [], instance: 'reviewer', revision }).ready, true);
+});
+
+test('org-defscan: issue checks the other organizations the bus serves, and refuses when one\'s file cannot be read', async (t) => {
+  // The bus serves acme and beta. beta's file has a definition holding text acme's coder then tries to
+  // be issued; later beta's file stops being JSON. Neither issue changes acme's store or file.
+  const o = org(t, (entry) => entry, { held: 'fake_boot_token_5555555555' });
+  const boot = o.boot();
+  const betaFile = join(o.root, 'config/businesses/beta.json');
+  const acme = JSON.parse(readFileSync(o.file, 'utf8'));
+  const spare = { ...acme.definitions.builder, personality: { summary: 'Spare.', voice: `quotes ${SENTINEL}` } };
+  writeJson(betaFile, { ...acme, id: 'beta', definitions: { spare } });
+  const bus = await o.start({ ...boot, businesses: { ...boot.businesses, beta: { ...boot.businesses.acme, id: 'beta' } } });
+  t.after(() => bus.close());
+  const v = verbs(o, bus);
+  const writer = organizationWriter({ dir: boot.organization.dir, rolesDir: boot.organization.rolesDir, dataRoot: o.f.dataRoot });
+  const revision = writer.read('acme').revision;
+  assert.throws(() => v.issue(SENTINEL), (e) => issueRefused(e, SENTINEL, 'organization beta definitions.spare personality.voice holds the credential being issued'));
+  writeFileSync(betaFile, '{ not json');
+  const CLEAN = 'fake_clean_token_4444444444';
+  assert.throws(() => v.issue(CLEAN), (e) => e instanceof BusError && e.code === DEFINITION_SCAN_UNREADABLE && !JSON.stringify(e).includes(CLEAN) && !String(e.stack).includes(CLEAN));
+  for (const value of [SENTINEL, CLEAN]) assert.ok(!holds(bus, value));
+  assert.equal(state(bus), 'valid');
+  assert.equal(writer.read('acme').revision, revision);
+  onlyInOrganization(o.root, CLEAN);
+  // With beta's file readable again, the clean issue goes through.
+  writeJson(betaFile, { ...acme, id: 'beta', definitions: {} });
+  assert.equal(v.issue(CLEAN).state, 'valid');
+  assert.ok(holds(bus, CLEAN));
+});
+
+test('org-defscan: the issue check covers every organization the bus serves, and an unreadable file refuses', () => {
+  const held = 'HELD-VALUE-77';
+  const assertClean = (value) => { if ((JSON.stringify(value) ?? '').includes(held)) throw new BusError('credential-leak'); };
+  const own = { id: 'acme', document: { definitions: { builder: { instructions: 'fine' } } } };
+  const files = { beta: { readable: true, document: { definitions: { spare: { instructions: 'fine', personality: { voice: `say ${held}` } } } } },
+    gamma: { readable: true, document: {} }, broken: { readable: false } };
+  const reads = [];
+  const readRaw = (id) => { reads.push(id); if (id === 'throws') throw new Error('EACCES'); return files[id]; };
+  assert.doesNotThrow(() => scanOrganizations({ organizations: ['acme', 'gamma'], own, readRaw }, assertClean));
+  assert.deepEqual(reads, ['gamma'], 'the issuing organization is the document already read');
+  assert.throws(() => scanOrganizations({ organizations: ['acme', 'gamma', 'beta'], own, readRaw }, assertClean),
+    (e) => e.code === DEFINITION_HOLDS_CREDENTIAL && e.reason === 'organization beta definitions.spare personality.voice holds the credential being issued' && !JSON.stringify(e).includes(held));
+  assert.throws(() => scanOrganizations({ organizations: ['acme', { ...own, id: 'x' }.id], own: { id: 'acme', document: { definitions: { [held]: {} } } }, readRaw: () => ({ readable: true, document: {} }) }, assertClean),
+    (e) => e.reason === 'organization acme definitions.* key holds the credential being issued' && !e.reason.includes(held));
+  for (const bad of ['broken', 'throws', 'missing'])
+    assert.throws(() => scanOrganizations({ organizations: ['acme', bad], own, readRaw }, assertClean), (e) => e.code === DEFINITION_SCAN_UNREADABLE && e.reason === undefined);
+});
+
+test('org-defscan: heldPath names the first place, a key by its parent, and never the text', () => {
+  const held = 'HELD-VALUE-77';
+  const assertClean = (value) => { if ((JSON.stringify(value) ?? '').includes(held)) throw new BusError('credential-leak'); };
+  assert.equal(heldPath({ instructions: 'fine', personality: { traits: ['a', 'b'] } }, assertClean), null);
+  assert.equal(heldPath({ instructions: 'fine', personality: { traits: ['a', `b${held}`] } }, assertClean), 'personality.traits[1]');
+  assert.equal(heldPath({ role: { tools: [held] } }, assertClean), 'role.tools[0]');
+  assert.equal(heldPath({ personality: { [held]: 'x' } }, assertClean), 'personality key');
+  assert.equal(heldPath({ [`${held}`]: 'x' }, assertClean), 'key');
+  assert.throws(() => scanDefinitions({ 'org:a': { instructions: 'ok' }, 'org:b': { instructions: held } }, assertClean, { prefix: 'org:' }),
+    (e) => e.code === DEFINITION_HOLDS_CREDENTIAL && e.reason === 'definitions.b instructions holds a credential this bus holds');
+  // A name outside the loader's pattern is not quoted.
+  assert.throws(() => scanDefinitions({ 'Bad Name': { instructions: held } }, assertClean), (e) => e.reason === 'definitions.* instructions holds a credential this bus holds');
+  assert.throws(() => scanDefinitions({ [held]: { instructions: 'ok' } }, assertClean), (e) => e.reason === 'definitions.* key holds a credential this bus holds' && !e.reason.includes(held));
+  assert.doesNotThrow(() => scanDefinitions(undefined, assertClean));
+});
+
+test('org-defscan: an approved hire whose definition holds a credential issued after the raise refuses before the decision is consumed', async (t) => {
+  // The chief raises a hire whose instructions carry text the store does not hold yet. The proposal is
+  // private, so the issue-time check cannot see it, and the store then comes to hold that text. The
+  // approval runs the same definition check as start, launch and issue: the refusal names the code, the
+  // decision stays open, and the organization file is as it was.
+  const LATER = 'fake_later_token_0123456789';
+  const o = org(t, (entry) => entry, { held: 'fake_boot_token_5555555555' });
+  const boot = o.boot();
+  const bus = await o.start(boot);
+  t.after(() => bus.close());
+  const chief = bus.broker.bindLaunch({ business: 'acme', role: 'chief', run: 'chief-run', harness: 'pi' });
+  bus.broker.request(chief, { verb: 'role.claim' });
+  const inline = { tools: ['read'], network: 'none', authority: { withinRole: [], crossRole: [] }, credentials: [], instructions: `Read and report.\nExample ${LATER}\n` };
+  const raised = await bus.broker.request(chief, { verb: 'hire.raise', args: { op: 'hire', level: 'org', name: 'scout', role: { inline }, route: { harness: 'pi', model: 'glm-5.3-flash' }, reason: 'Need help' } });
+  // Issued through the store, so the organization file and its revision stay as they were and the
+  // approval reaches the definition check rather than the revision check.
+  bus.credentials.issue('acme/coder', 'gitea', LATER, '2099-01-01');
+  assert.ok(holds(bus, LATER));
+  const writer = organizationWriter({ dir: boot.organization.dir, rolesDir: boot.organization.rolesDir, dataRoot: o.f.dataRoot });
+  const before = readFileSync(o.file);
+  const revision = writer.read('acme').revision;
+  const owner = bus.broker.bindConsole({ business: 'acme', human: o.f.doc.human, subject: { provider: 'test', iss: 'https://issuer.test', sub: 'owner' } });
+  const refused = (e) => {
+    assert.equal(e.code, DEFINITION_HOLDS_CREDENTIAL);
+    for (const text of [e.message, String(e.reason), String(e.stack), JSON.stringify(e)]) assert.ok(!text.includes(LATER), 'the refusal never carries the value');
+    return true;
+  };
+  await assert.rejects(bus.broker.request(owner, { verb: 'hire.resolve.console', args: { id: raised.id, choice: 'yes', digest: raised.hire.digest } }), refused);
+  // Nothing was written.
+  assert.deepEqual(readFileSync(o.file), before);
+  assert.equal(writer.read('acme').revision, revision);
+  assert.ok(!Object.hasOwn(writer.read('acme').document.roles, 'scout'));
+  // The decision was not consumed: a second approval meets the same check, not decision-closed.
+  await assert.rejects(bus.broker.request(owner, { verb: 'hire.resolve.console', args: { id: raised.id, choice: 'yes', digest: raised.hire.digest } }), refused);
+  assert.deepEqual(readFileSync(o.file), before);
+  // A hire with clean text, raised and approved on the same bus, is written as before.
+  const clean = await bus.broker.request(chief, { verb: 'hire.raise', args: { op: 'hire', level: 'org', name: 'helper', role: { inline: { ...inline, instructions: 'Read and report.\n' } }, route: { harness: 'pi', model: 'glm-5.3-flash' }, reason: 'Need help' } });
+  assert.equal((await bus.broker.request(owner, { verb: 'hire.resolve.console', args: { id: clean.id, choice: 'yes', digest: clean.hire.digest } })).choice, 'yes');
+  assert.ok(Object.hasOwn(writer.read('acme').document.roles, 'helper'));
+  onlyInOrganization(join(o.root, 'config/businesses'), LATER);
+});
+
+test('org-defscan: the boot copy snapshot\'s definitions (the root agents file\'s) are checked at start and at issue', async (t) => {
+  // A4: a root definition reaches an organization through the boot copy snapshot, which every reload
+  // re-applies. Its text is in no organization file, so the start and issue checks read the snapshot.
+  const LATER = 'fake_later_token_0123456789';
+  const snapshot = (instructions) => ({ org: 'acme', root: 'ok', rootAgents: {}, copies: {},
+    definitions: { rooted: { ...entryFromTemplate(readTemplate(REPO_ROLES, 'coder')), instructions } } });
+  const startWith = (o, copies, b = o.boot()) => startBroker({ dataRoot: o.f.dataRoot, businesses: b.businesses, organization: b.organization, copies });
+  // Held at start: the start refuses, naming the snapshot's definition and key.
+  const held = org(t);
+  refusedWithout(await outcome(startWith(held, snapshot(`Root copy ${SENTINEL}\n`))), 'boot copy definitions.rooted instructions holds a credential this bus holds');
+  // Not held at start: the bus starts, then issuing that text refuses and the store is as it was.
+  const o = org(t, (entry) => entry, { held: 'fake_boot_token_5555555555' });
+  const bus = await startWith(o, snapshot(`Root copy ${LATER}\n`));
+  t.after(() => bus.close());
+  assert.throws(() => verbs(o, bus).issue(LATER), (e) => issueRefused(e, LATER, 'organization acme boot copy definitions.rooted instructions holds the credential being issued'));
+  assert.ok(!holds(bus, LATER));
+  assert.equal(state(bus), 'valid');
+  assert.equal(verbs(o, bus).issue('fake_clean_token_4444444444').state, 'valid');
+});
@@ -0,0 +1,74 @@
+// #1873 T1: the definition writes on the bus. Only the business's human at the cli reaches them,
+// and the writer runs the credential store's held-secret check on what it would write.
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import { appendFileSync, chmodSync, mkdirSync, mkdtempSync, readFileSync, readdirSync, rmSync, writeFileSync } from 'node:fs';
+import { tmpdir } from 'node:os';
+import { join } from 'node:path';
+import { DEFINITION_BUS_KEYS } from '../src/broker.mjs';
+import { startBroker } from '../src/runtime.mjs';
+import { DEFINITION_BUS_VERBS } from '../../organization/src/definition-verbs.mjs';
+import { businessDoc, rolesCopy, systemFor, writeJson } from '../../organization/tests/helpers.mjs';
+
+const TOKEN = 'fixture-held-token-t1-5c0e9a';
+const SCOUT = { role: { tools: ['read'], network: 'none', authority: { withinRole: [], crossRole: [] }, credentials: [] }, instructions: 'Read and report.\n' };
+
+function files(dir) {
+  return readdirSync(dir, { withFileTypes: true }).flatMap((e) => e.isDirectory() ? files(join(dir, e.name)) : e.isFile() ? [join(dir, e.name)] : []);
+}
+
+test('T1 the broker checks the same four definition verbs the runtime maps', () => {
+  assert.deepEqual(Object.keys(DEFINITION_BUS_KEYS).sort(), Object.keys(DEFINITION_BUS_VERBS).sort());
+});
+
+test('T1 definition writes: the human at the cli writes, every other caller refuses, and a held token never lands', async (t) => {
+  const root = mkdtempSync(join(tmpdir(), 'mosaic-def-bus-'));
+  const rolesDir = rolesCopy(root);
+  const doc = businessDoc(root, 'demo');
+  const file = writeJson(join(root, 'businesses/demo.json'), { ...doc, plugins: { ...doc.plugins, harness: ['pi'] } });
+  const data = join(root, 'data');
+  mkdirSync(data, { mode: 0o700 });
+  const token = join(root, 'held.token');
+  writeFileSync(token, TOKEN, { mode: 0o600 });
+  chmodSync(token, 0o600);
+  const bus = await startBroker({ dataRoot: data, businesses: { demo: { id: 'demo', human: 'jason', arbiters: { technical: 'chief', delivery: 'chief' }, vars: { 'bus.tester': true }, roles: {
+    chief: { definition: 'chief-of-staff', authority: { withinRole: ['decision.resolve.technical', 'decision.resolve.delivery'], crossRole: [] } },
+    coder: { authority: { withinRole: [], crossRole: [] }, credentials: { gitea: { file: token, rotateBy: '2099-01-01' } } },
+  } } }, organization: { dir: root, rolesDir, system: systemFor(root) } });
+  t.after(async () => { await bus.close(); rmSync(root, { recursive: true, force: true }); });
+  const b = bus.broker;
+  const human = b.bindHuman({ business: 'demo', human: 'jason', via: 'cli', outsideAgent: true });
+  const revision = () => b.request(human, { verb: 'limits' }).revision;
+  const invent = (name) => ({ verb: 'definition.invent', args: { revision: revision(), name, definition: SCOUT } });
+
+  // An agent, a reader and the tester never reach the writer.
+  const before = readFileSync(file);
+  const agent = b.bindLaunch({ business: 'demo', role: 'coder', run: 'coder-run', harness: 'pi', address: 'coder-run' });
+  for (const cap of [agent, b.bindReader({ business: 'demo' })]) assert.throws(() => b.request(cap, invent('scout')), /human-required/);
+  assert.throws(() => b.request(b.bindTester({ business: 'demo' }), invent('scout')), /tester-refused/);
+  // Unknown and missing arguments refuse; an actor can't be forged through them.
+  assert.throws(() => b.request(human, { verb: 'definition.invent', args: { ...invent('scout').args, actor: 'mallory' } }), /invalid-request/);
+  assert.throws(() => b.request(human, { verb: 'definition.remove', args: { revision: revision(), name: 'scout' } }), /invalid-request/);
+  assert.deepEqual(readFileSync(file), before);
+
+  // The human's invent commits, as the human, with a receipt that carries no role text.
+  const receipt = b.request(human, invent('scout'));
+  assert.deepEqual({ ...receipt, revision: 0, transaction: 0 }, { verb: 'invent', organization: 'demo', definition: 'scout', rev: 1, revision: 0, transaction: 0 });
+  assert.equal(JSON.parse(readFileSync(file, 'utf8')).definitions.scout.instructions, SCOUT.instructions);
+  const last = JSON.parse(readFileSync(join(root, 'businesses/.history/demo/changes.jsonl'), 'utf8').trim().split('\n').at(-1));
+  assert.equal(last.actor, 'jason');
+  assert.equal(last.state, 'committed');
+  // A writer refusal passes by its code.
+  assert.throws(() => b.request(human, invent('scout')), /definition-exists/);
+
+  // The bus refuses a request that carries the held token, and the writer refuses a template whose
+  // contract carries it (the import request itself holds no token). Neither writes.
+  const written = readFileSync(file);
+  assert.throws(() => b.request(human, { verb: 'definition.invent', args: { revision: revision(), name: 'leak', definition: { ...SCOUT, instructions: `Use ${TOKEN}.\n` } } }),
+    (e) => e.code === 'credential-leak' && !e.message.includes(TOKEN));
+  appendFileSync(join(rolesDir, 'coder.md'), `\nUse ${TOKEN} for the forge.\n`);
+  assert.throws(() => b.request(human, { verb: 'definition.import', args: { revision: revision(), template: 'coder' } }),
+    (e) => e.code === 'invalid-request' && !e.message.includes(TOKEN) && !String(e.stack).includes(TOKEN));
+  assert.deepEqual(readFileSync(file), written);
+  for (const path of [...files(data), ...files(join(root, 'businesses'))]) assert.ok(!readFileSync(path).includes(TOKEN), path);
+});
@@ -6,6 +6,7 @@
 // keys are real local ssh-keygen pairs in the scratch store, and no ssh connection is made. Decisions a
 // test needs outside the human's yes go in by SQL as fixtures.
 import test from 'node:test';
+import { hireServiceFixture, fixtureConsole, approveFixtureFire } from './hire-fixtures.mjs';
 import assert from 'node:assert/strict';
 import { createHash } from 'node:crypto';
 import { existsSync, mkdirSync, mkdtempSync, readFileSync, rmSync } from 'node:fs';
@@ -156,7 +157,7 @@ async function setup(t) {
    return { revision: REV };
  };
  const make = () =>
-    new Broker({
+    new Broker({hires:hireServiceFixture,
      store,
      businesses: { demo: structuredClone(doc) },
      secretCheck: (value) => credentials.assertClean(value),
@@ -184,7 +185,7 @@ async function setup(t) {
    store
      .all("SELECT actor_role, subject, body FROM events WHERE business='demo' AND kind='action.allowed' ORDER BY seq")
      .map((e) => ({ ...e, body: JSON.parse(e.body) }))
-      .filter((e) => e.body.action === action);
+      .filter((e) => e.body.action === action && e.body.operation !== 'decision.raise');
  // The bus's step G messages to the human: no decision, so no grant notice.
  const inbox = () =>
    store.all("SELECT body FROM messages WHERE business='demo' AND from_role='_bus' AND to_role='human' AND decision IS NULL ORDER BY rowid").map((r) => r.body);
@@ -232,7 +233,8 @@ async function setup(t) {
        adminSha256: adminSha256(grantApi.adminMeta('demo') ?? meta),
      },
    });
-  const fire = (name) => call('chief', 'instance.fire', { name, reason: 'the work is done' });
+  const hireConsole=fixtureConsole(broker);
+  const fire = name => approveFixtureFire(broker,hireConsole,name);
  // A delete as the launcher's pass runs it: the human's request, the take, then lifecycleDelete. A
  // refused delete closes the request with its code, as the launcher does.
  const remove = (instance) => {
@@ -304,7 +306,7 @@ function allRevoked(f, hosts = ['web1', 'web2']) {
 test('row 281 T2: a fire with host grants on two hosts and a Gitea grant answers with a job, then revokes all three', async (t) => {
  const f = await setup(t);
  await threeGrants(f);
-  const out = f.fire('coder');
+  const out = await f.fire('coder');
  assert.equal(out.done, false);
  assert.match(out.job, UUID);
  assert.deepEqual(out.revoking, ['host:web1', 'host:web2', 'gitea']);
@@ -313,7 +315,7 @@ test('row 281 T2: a fire with host grants on two hosts and a Gitea grant answers
  assert.equal(more.length, 0);
  assert.equal(revoking.body.job, out.job);
  assert.deepEqual(revoking.body.grants, out.revoking);
-  assert.equal(revoking.actor_role, 'chief');
+  assert.equal(revoking.actor_role, null);
  assert.equal(revoking.subject, 'coder');
  await f.broker.grantsIdle();
  // Each host as hosts.revoke records it, with fire: true, line first so the close says removed.
@@ -340,7 +342,7 @@ test('row 281 T2: a fire with host grants on two hosts and a Gitea grant answers
  assert.deepEqual(done.body.grants.map((x) => x.grant), ['host:web1', 'host:web2', 'gitea']);
  assert.deepEqual(done.body.grantsLeft, []);
  assert.match(done.body.transaction, /^t-/);
-  assert.equal(done.actor_role, 'chief');
+  assert.equal(done.actor_role, null);
  assert.deepEqual(f.org.log.filter(([op]) => op === 'instance.fire'), [['instance.fire', 'coder']]);
  assert.ok(!f.doc.launch.instances.includes('coder'));
  // No step G message for a job that completed.
@@ -480,7 +482,7 @@ test('row 281 T4: host B unreachable in a fire: the job refuses, A stays revoked
  const f = await setup(t);
  await threeGrants(f);
  f.failing.add('web2');
-  const out = f.fire('coder');
+  const out = await f.fire('coder');
  await f.broker.grantsIdle();
  const [refused, ...more] = f.grantEvents().filter((e) => e.action === 'grant.revoke.refused');
  assert.equal(more.length, 0);
@@ -510,7 +512,7 @@ test('row 281 T4: host B unreachable in a fire: the job refuses, A stays revoked
  assert.equal(f.state('coder', 'gitea'), 'valid');
  // B back: the repeat revokes only B and Gitea.
  f.failing.delete('web2');
-  const repeat = f.fire('coder');
+  const repeat = await f.fire('coder');
  assert.deepEqual(repeat.revoking, ['host:web2', 'gitea']);
  await f.broker.grantsIdle();
  const [done] = f.allowed('fire.done');
@@ -529,7 +531,7 @@ test('row 281 T4b (Q1): a line a manual hosts.revoke left on C is removed by the
  const tag3 = f.tag('coder', 'web3');
  assert.equal(manual.hostLineLeft, tag3);
  f.failing.delete('web3');
-  const out = f.fire('coder');
+  const out = await f.fire('coder');
  assert.deepEqual(out.revoking, ['host:web1', 'line:web3']);
  await f.broker.grantsIdle();
  assert.equal(f.lines.web3.has(tag3), false);
@@ -552,7 +554,7 @@ test('row 281 T4b (Q1): with C unreachable, the fire completes and names the lin
  f.failing.add('web3');
  await f.call('human', 'hosts.revoke', { agent: 'coder', host: 'web3', reason: 'web3 is down' });
  const tag3 = f.tag('coder', 'web3');
-  const out = f.fire('coder');
+  const out = await f.fire('coder');
  assert.deepEqual(out.revoking, ['host:web1', 'line:web3']);
  await f.broker.grantsIdle();
  assert.equal(f.grantEvents().filter((e) => e.action === 'grant.revoke.refused').length, 0);
@@ -568,7 +570,7 @@ test("row 281 T5: Gitea's admin token can't be checked: the job refuses with the
  const f = await setup(t);
  await f.approveGitea('coder');
  const off = f.gitea.rule((e) => e.method === 'GET' && e.path === '/api/v1/version', { status: 500, json: {} });
-  const out = f.fire('coder');
+  const out = await f.fire('coder');
  assert.deepEqual(out.revoking, ['gitea']);
  await f.broker.grantsIdle();
  off();
@@ -597,7 +599,7 @@ test("row 281 T5b (N1): a failed token DELETE refuses gitea-left; the repeat ret
  const helperDeletes = () => f.gitea.requests.filter(tokenDelete('demo-helper')).length;
  const before = helperDeletes();
  const offCoder = f.gitea.rule(tokenDelete('demo-coder'), { status: 500, json: {} });
-  const out = f.fire('coder');
+  const out = await f.fire('coder');
  await f.broker.grantsIdle();
  const [refused] = f.grantEvents().filter((e) => e.action === 'grant.revoke.refused');
  assert.equal(refused.grant, 'gitea');
@@ -608,7 +610,7 @@ test("row 281 T5b (N1): a failed token DELETE refuses gitea-left; the repeat ret
  assert.equal(f.allowed('fire.done').length, 0);
  // Gitea back for coder only. The helper's DELETE still fails, so a business-wide sweep would show.
  offCoder();
-  const repeat = f.fire('coder');
+  const repeat = await f.fire('coder');
  assert.deepEqual(repeat.revoking, ['gitea']);
  await f.broker.grantsIdle();
  const [done] = f.allowed('fire.done');
@@ -627,7 +629,7 @@ test("row 281 T5b (N1): a failed token DELETE refuses gitea-left; the repeat ret
 test('row 281 T6 (sage-2574): a host decision approved before the fire and run after it ends revoked, with nothing applied', async (t) => {
  const f = await setup(t);
  const id = f.fixtureHost('coder', 'web1');
-  const out = f.fire('coder');
+  const out = await f.fire('coder');
  assert.deepEqual(out.revoking, ['host:web1']);
  await f.broker.grantsIdle();
  const [r] = f.revoked('coder', (e) => e.host === 'web1');
@@ -644,7 +646,7 @@ test('row 281 T6 (sage-2574): a host decision approved before the fire and run a
 test('row 281 T6b (sage-2574): a Gitea decision approved before the fire and run after it ends revoked before any Gitea write', async (t) => {
  const f = await setup(t);
  const id = f.fixtureGitea('coder');
-  const out = f.fire('coder');
+  const out = await f.fire('coder');
  assert.deepEqual(out.revoking, ['gitea']);
  await f.broker.grantsIdle();
  const [r] = f.revoked('coder', (e) => e.method === 'gitea');
@@ -689,7 +691,7 @@ test('row 281 T6c: a host executor in flight aborts and ends revoked; a Gitea ex
  const gd = await f.raiseGitea('coder');
  f.call('human', 'decision.resolve', { id: gd.id, choice: 'yes' });
  await until(() => reached);
-  const out = f.fire('coder');
+  const out = await f.fire('coder');
  assert.deepEqual(out.revoking, ['host:web1', 'gitea']);
  await until(() => f.ended(host.id));
  assert.equal(f.ended(host.id).code, 'revoked');
@@ -714,7 +716,7 @@ test('row 281 T6d (B1): undecided host and Gitea decisions are in the set, and a
  const f = await setup(t);
  const host = await f.raiseHost('coder', 'web1');
  const gd = await f.raiseGitea('coder');
-  const out = f.fire('coder');
+  const out = await f.fire('coder');
  assert.deepEqual(out.revoking, ['host:web1', 'gitea']);
  await f.broker.grantsIdle();
  assert.equal(f.allowed('fire.done').length, 1);
@@ -736,14 +738,14 @@ test('row 281 T6e (B1): a grant raise refuses instance-fired while firing and af
  await f.approveHost('coder', 'web1');
  // Firing with no job: step B refused, so fire.stopped stands with no fire.done.
  f.org.fireError = Object.assign(new Error('refused'), { code: 'credential-revoke-failed' });
-  f.fire('coder');
+  await f.fire('coder');
  await f.broker.grantsIdle();
  assert.equal(f.allowed('fire.failed').length, 1);
  await rejects(() => f.raiseHost('coder', 'web2'), 'instance-fired');
  await rejects(() => f.raiseGitea('coder'), 'instance-fired');
  // After fire.done: delisted.
  f.org.fireError = null;
-  assert.match(f.fire('coder').transaction, /^t-/);
+  assert.match((await f.fire('coder')).transaction, /^t-/);
  await rejects(() => f.raiseHost('coder', 'web2'), 'instance-fired');
  await rejects(() => f.raiseGitea('coder'), 'instance-fired');
  // A rehire lists the name again.
@@ -761,7 +763,7 @@ test('row 281 T6e (B1): a grant raise refuses instance-fired while firing and af

 test('row 281 T7: an instance with no grant fires as today, synchronously, with the same events', async (t) => {
  const f = await setup(t);
-  const out = f.fire('helper');
+  const out = await f.fire('helper');
  assert.deepEqual(Object.keys(out).sort(), ['cancelled', 'request', 'revision', 'runs', 'taken', 'transaction']);
  assert.match(out.transaction, /^t-/);
  // Recorded before the verb answered: no job.
@@ -781,9 +783,9 @@ test('row 281 T9 (B3): one step G per agent; the manual verbs refuse while it ru
  await f.approveHost('coder', 'web1');
  await f.approveGitea('coder');
  f.held.add('web1:remove');
-  f.fire('coder');
+  await f.fire('coder');
  await until(() => f.sent.includes(`remove web1 ${f.tag('coder', 'web1')}`));
-  assert.equal(code(() => f.fire('coder')), 'fire-in-progress');
+  await assert.rejects(f.fire('coder'),{code:'fire-in-progress'});
  assert.equal(f.remove('coder').code, 'grants-revoking');
  assert.equal(f.allowed('grants.revoking').length, 0);
  assert.equal(f.allowed('fire.revoking').length, 1);
@@ -820,7 +822,7 @@ test('row 281 T10 (B2): the fire and the delete answer while their jobs are held
  // The verbs answer before the event loop turns, so before any part of a job has run.
  let turned = false;
  setImmediate(() => (turned = true));
-  const fired = f.fire('coder');
+  const fired = await f.fire('coder');
  const deleted = f.remove('ops');
  assert.equal(turned, false);
  assert.equal(fired.done, false);
@@ -844,7 +846,7 @@ test("row 281 T11 (C1): a fire's job completes after the chief's run ends and pr
  const f = await setup(t);
  await f.approveHost('coder', 'web1');
  f.held.add('web1:remove');
-  const out = f.fire('coder');
+  const out = await f.fire('coder');
  await until(() => f.sent.includes(`remove web1 ${f.tag('coder', 'web1')}`));
  f.broker.endLaunch({ business: 'demo', run: 'chief-run', reason: 'test' });
  f.sw.state = { version: 1, halted: true, generation: GENERATION };
@@ -855,7 +857,7 @@ test("row 281 T11 (C1): a fire's job completes after the chief's run ends and pr
  assert.match(done.body.transaction, /^t-/);
  const [used, ...more] = f.allowed('role.fire');
  assert.equal(more.length, 0);
-  assert.equal(used.actor_role, 'chief');
+  assert.equal(used.actor_role, null);
  assert.equal(used.body.transaction, done.body.transaction);
  assert.ok(!f.doc.launch.instances.includes('coder'));
  assert.equal(f.allowed('fire.failed').length, 0);
@@ -867,12 +869,12 @@ test("row 281 T12 (C1, N7): a step B refusal in the job is fire.failed, and the
  await f.approveHost('coder', 'web1');
  // N7: the writer's own credential-revoke-failed, which step G's key revokes can't clear.
  f.org.fireError = Object.assign(new Error('refused'), { code: 'credential-revoke-failed' });
-  const out = f.fire('coder');
+  const out = await f.fire('coder');
  await f.broker.grantsIdle();
  const [failed, ...more] = f.allowed('fire.failed');
  assert.equal(more.length, 0);
  assert.deepEqual([failed.body.job, failed.body.step, failed.body.code], [out.job, 'B', 'credential-revoke-failed']);
-  assert.equal(failed.actor_role, 'chief');
+  assert.equal(failed.actor_role, null);
  const [message] = f.inbox();
  for (const s of [out.job, 'host:web1', 'step B', 'credential-revoke-failed']) assert.ok(message.includes(s), s);
  assert.equal(f.grantEvents().filter((e) => e.action === 'grant.revoke.refused').length, 0);
@@ -882,7 +884,7 @@ test("row 281 T12 (C1, N7): a step B refusal in the job is fire.failed, and the
  // The grant was revoked before step B.
  assert.equal(f.hostRow('coder', 'web1'), undefined);
  f.org.fireError = null;
-  const repeat = f.fire('coder');
+  const repeat = await f.fire('coder');
  assert.equal(repeat.job, undefined);
  assert.match(repeat.transaction, /^t-/);
  assert.equal(f.allowed('fire.done').length, 1);
@@ -900,7 +902,7 @@ test('row 281 T13 (N4): a restart records each held job interrupted once, with o
  assert.equal(f.allowed('grants.revoked.done').length, 1);
  f.held.add('web1:remove');
  f.held.add('web2:remove');
-  const fired = f.fire('coder');
+  const fired = await f.fire('coder');
  assert.equal(f.remove('ops').code, 'grants-revoking');
  const deleteJob = f.allowed('grants.revoking').at(-1).body.job;
  await until(() => f.sent.includes(`remove web1 ${f.tag('coder', 'web1')}`) && f.sent.includes(`remove web2 ${f.tag('ops', 'web2')}`));
@@ -930,7 +932,7 @@ test("row 281 T14 (N1, sage-2653): a host removed under an undecided decision st
  const d = await f.raiseHost('coder', 'web1');
  // N1: hosts.remove doesn't check open decisions, so the decision outlives its host.
  assert.deepEqual(await f.call('human', 'hosts.remove', { host: 'web1' }), { host: 'web1', removed: true });
-  const out = f.fire('coder');
+  const out = await f.fire('coder');
  assert.match(out.job, UUID);
  assert.deepEqual(out.revoking, ['host:web1']);
  await f.broker.grantsIdle();
@@ -946,7 +948,7 @@ test("row 281 T14 (N1, sage-2653): a host removed under an undecided decision st
  f.call('human', 'decision.resolve', { id: d.id, choice: 'no' });
  await f.broker.grantsIdle();
  assert.equal(f.ended(d.id), undefined);
-  const repeat = f.fire('coder');
+  const repeat = await f.fire('coder');
  assert.equal(repeat.job, undefined);
  assert.match(repeat.transaction, /^t-/);
  assert.equal(f.allowed('fire.done').length, 1);
@@ -961,7 +963,7 @@ test("row 239 T4: a refusal after the writer's revoke is named -revoked, in the
  const f = await setup(t);
  await f.approveHost('coder', 'web1');
  f.org.fireError = Object.assign(new Error('refused'), { code: 'revision-conflict', revoked: true });
-  const out = f.fire('coder');
+  const out = await f.fire('coder');
  await f.broker.grantsIdle();
  const [failed] = f.allowed('fire.failed');
  assert.deepEqual([failed.body.job, failed.body.step, failed.body.code], [out.job, 'B', 'revision-conflict-revoked']);
@@ -987,7 +989,7 @@ test("row 239 T4b: an unmarked step B refusal keeps its code, and the notice say
  const f = await setup(t);
  await f.approveHost('coder', 'web1');
  f.org.fireError = Object.assign(new Error('refused'), { code: 'revision-conflict' });
-  const out = f.fire('coder');
+  const out = await f.fire('coder');
  await f.broker.grantsIdle();
  const [failed] = f.allowed('fire.failed');
  assert.deepEqual([failed.body.job, failed.body.code], [out.job, 'revision-conflict']);
@@ -0,0 +1,207 @@
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import { mkdtempSync, rmSync } from 'node:fs';
+import { tmpdir } from 'node:os';
+import { join } from 'node:path';
+import { Broker } from '../src/broker.mjs';
+import { Store } from '../src/store.mjs';
+
+test('A4 direct instance.hire and instance.fire refuse and cannot write', t => {
+  const root = mkdtempSync(join(tmpdir(), 'a4-'));
+  const store = new Store(root);
+  t.after(() => { store.close(); rmSync(root, { recursive: true, force: true }); });
+  let writes = 0;
+  const b = new Broker({ store, businesses: { demo: { id: 'demo', human: 'jason', arbiters: { technical: 'chief', delivery: 'chief' }, roles: { chief: { definition: 'chief-of-staff', authority: { withinRole: ['role.hire','role.fire'], crossRole: [] } } }, launch: { by: 'chief', instances: [] } } }, organization: () => { writes++; } });
+  const chief = b.bindLaunch({ business: 'demo', role: 'chief', run: 'chief-run', harness: 'pi' });
+  b.request(chief, { verb: 'role.claim' });
+  for (const verb of ['instance.hire', 'instance.fire']) assert.throws(() => b.request(chief, { verb, args: { name: 'scout', definition: 'coder', reason: 'Need help' } }), { code: 'decision-required' });
+  assert.equal(writes, 0);
+});
+
+import { hireDecisions } from '../../organization/src/hire-decisions.mjs';
+import { organizationWriter } from '../../organization/src/organization.mjs';
+import { loadBusiness } from '../../organization/src/organization-config.mjs';
+import { businessDoc, rolesCopy, writeJson } from '../../organization/tests/helpers.mjs';
+import { readFileSync, mkdirSync } from 'node:fs';
+const INLINE = { tools: ['read'], network: 'none', authority: { withinRole: [], crossRole: [] }, credentials: [], instructions: 'Read and report sk-test-NOT-A-SECRET-1234.' };
+const SUBJECT={provider:'test',iss:'https://issuer.test',sub:'owner'};
+function fixture(t) {
+  const root=mkdtempSync(join(tmpdir(),'a4-bus-')), rolesDir=rolesCopy(root);
+  const file=writeJson(join(root,'businesses/demo.json'),{...businessDoc(root,'demo'),plugins:{harness:['pi']}});
+  const storeRoot=join(root,'data');mkdirSync(storeRoot,{mode:0o700});
+  const writer=organizationWriter({dir:root,rolesDir}),store=new Store(storeRoot);
+  const service=hireDecisions({writer,rolesDir,dataRoot:storeRoot,configDir:root,assertClean:()=>{}});
+  const loaded=()=>{const doc=loadBusiness('demo',{dir:root,rolesDir});return {...doc,roles:Object.fromEntries(Object.entries(doc.roles).map(([n,e])=>[n,{...doc.definitions[e.definition],...e}]))};};
+  let writes=0;
+  const b=new Broker({store,businesses:{demo:loaded()},hires:{...service,apply:async(...args)=>{writes++;const r=await service.apply(...args);b.reloadBusiness('demo',loaded());return r;}}});
+  const owner=b.bindConsole({business:'demo',human:'jason',subject:SUBJECT});
+  const member=rights=>b.bindHireConsole({business:'demo',actor:'member',subject:{...SUBJECT,sub:'member'},rights});
+  const caps={owner,chief:b.bindLaunch({business:'demo',role:'chief',run:'chief-run',harness:'pi'}),coder:b.bindLaunch({business:'demo',role:'coder',run:'coder-run',harness:'pi'})};
+  b.request(caps.chief,{verb:'role.claim'});b.request(caps.coder,{verb:'role.claim'});
+  const call=(cap,verb,args={})=>b.request(cap,{verb,args});
+  const request=extra=>({op:'hire',level:'org',name:'scout',role:{inline:INLINE},route:{harness:'pi',model:'claude-opus-5-5'},reason:'Need help',...extra});
+  const raise=extra=>call(caps.chief,'hire.raise',request(extra));
+  t.after(()=>{store.close();rmSync(root,{recursive:true,force:true});});
+  const reloadChief=authority=>{const doc=loaded();doc.roles.chief.authority=authority;b.reloadBusiness('demo',doc);};
+  return {root,rolesDir,b,store,file,writer,service,owner,member,caps,call,request,raise,reloadChief,writes:()=>writes};
+}
+test('A4 only the chief raises; forged flagged lines refuse without a record',async t=>{
+  const {call,caps,request,store}=fixture(t);
+  await assert.rejects(call(caps.coder,'hire.raise',request()),{code:'role-not-chief'});
+  await assert.rejects(call(caps.chief,'hire.raise',request({flagged:[]})),{code:'invalid-request'});
+  assert.equal(store.get('SELECT count(*) n FROM decisions').n,0);
+});
+test('A4 approve is digest bound and consumed once; generic decide never resolves hire, fire or change',async t=>{
+  const {raise,call,owner,writes,store,file,b,caps}=fixture(t);
+  const d=await raise();const p=await call(owner,'hire.preview.console',{id:d.id});
+  assert.ok(!JSON.stringify(p).includes('sk-test-NOT-A-SECRET-1234'));
+  await assert.rejects(call(owner,'hire.resolve.console',{id:d.id,choice:'yes',digest:'0'.repeat(64)}),{code:'decision-stale'});
+  for(const action of ['role.hire','role.fire','role.change']) {
+    if(action!==d.action)store.run('INSERT INTO decisions(id,at,business,raised_by_role,raised_by_run,class,action,route_to,question,options,recommendation,blocking) VALUES(?,?,?,?,?,?,?,?,?,?,?,?)',action,'2026-01-01T00:00:00.000Z','demo','chief','chief-run','gated',action,'human','Question?',JSON.stringify([{key:'yes',text:'Yes'},{key:'no',text:'No'}]),'no',0);
+    assert.throws(()=>call(owner,'decision.resolve.console',{id:action===d.action?d.id:action,choice:'yes',digest:p.digest}),{code:'hire-resolution-required'});
+    const human=b.bindHuman({business:'demo',human:'jason',via:'cli',outsideAgent:true});
+    assert.throws(()=>call(human,'decision.resolve',{id:action===d.action?d.id:action,choice:'yes'}),{code:'hire-resolution-required'});
+  }
+  const before=readFileSync(file);
+  await call(owner,'hire.resolve.console',{id:d.id,choice:'yes',digest:p.digest});
+  assert.equal(writes(),1);assert.notDeepEqual(readFileSync(file),before);
+  await assert.rejects(call(owner,'hire.resolve.console',{id:d.id,choice:'yes',digest:p.digest}),{code:'decision-closed'});
+  assert.equal(writes(),1);
+  for(const row of [...store.all('SELECT * FROM decisions'),...store.all('SELECT * FROM events')])assert.ok(!JSON.stringify(row).includes('sk-test-NOT-A-SECRET-1234'));
+});
+test('A4 denied and expired decisions leave organization bytes untouched',async t=>{
+  const {raise,call,owner,file,writes}=fixture(t);
+  const before=readFileSync(file),d=await raise();
+  await call(owner,'hire.resolve.console',{id:d.id,choice:'no',digest:d.hire.digest});
+  const e=await raise(); const original=Date.now;
+  try{Date.now=()=>original()+8*86400000;await assert.rejects(call(owner,'hire.resolve.console',{id:e.id,choice:'yes',digest:e.hire.digest}),{code:'decision-expired'});}finally{Date.now=original;}
+  assert.deepEqual(readFileSync(file),before);assert.equal(writes(),0);
+});
+test('A4 members with org.hire refuse flagged or credential grants; decide alone refuses all hires',async t=>{
+  const {raise,call,member}=fixture(t);
+  const plain=await raise();
+  await assert.rejects(call(member(['decide']),'hire.resolve.console',{id:plain.id,choice:'yes',digest:plain.hire.digest}),{code:'right-required'});
+  const flagged=await raise({role:{inline:{...INLINE,tools:['read','bash']}}});
+  const credential=await raise({role:{inline:{...INLINE,credentials:[{service:'gitea',scopes:['read:repository']}]}}});
+  for(const d of [flagged,credential])await assert.rejects(call(member(['org.hire']),'hire.resolve.console',{id:d.id,choice:'yes',digest:d.hire.digest}),{code:'hire-owner-required'});
+  await call(member(['org.hire']),'hire.resolve.console',{id:plain.id,choice:'yes',digest:plain.hire.digest});
+});
+test('A4 human Console start raises and resolves one recorded decision with computed lines',async t=>{
+  const {call,owner,request,store,writes}=fixture(t);
+  const r=await call(owner,'hire.start.console',request({role:{inline:{...INLINE,tools:['read','bash']}}}));
+  assert.equal(r.op,'resolved');assert.equal(writes(),1);
+  const event=store.all("SELECT body FROM events WHERE json_extract(body,'$.operation')='decision.raise'").map(e=>JSON.parse(e.body))[0];
+  assert.deepEqual(event.hire.flagged,[{field:'tools',value:'bash',reasons:['above-chief']}]);
+  assert.equal(store.get('SELECT raised_by_role FROM decisions WHERE id=?',r.id).raised_by_role,'human');
+});
+test('A4 a stale organization digest never reaches the writer',async t=>{
+  const {raise,call,owner,writer,file,writes}=fixture(t);
+  const d=await raise(),old=writer.read('demo');
+  writeJson(file,{...old.document,vars:{...old.document.vars,'tracker.pollSeconds':61}});
+  await assert.rejects(call(owner,'hire.resolve.console',{id:d.id,choice:'yes',digest:d.hire.digest}),{code:'decision-stale'});
+  assert.equal(writes(),0);
+});
+
+test('A4 approved credential role refuses launch until a binding is present',async t=>{
+  const {raise,call,owner,b,caps,writer,file,root,rolesDir}=fixture(t);
+  const d=await raise({role:{inline:{...INLINE,credentials:[{service:'gitea',scopes:['read:repository']}]}}});
+  await call(owner,'hire.resolve.console',{id:d.id,choice:'yes',digest:d.hire.digest});
+  assert.throws(()=>b.request(b.bindHuman({business:'demo',human:'jason',via:'cli',outsideAgent:true}),{verb:'instance.launch',args:{instance:'scout'}}),{code:'credential-unbound'});
+  // Binding implementation is outside A4. The existing file shape supplies its metadata here.
+  const doc=writer.read('demo').document;
+  doc.roles.scout.credentials={gitea:{store:true,rotateBy:'2099-01-01'}};
+  writeJson(file,doc);
+  const loaded=loadBusiness('demo',{dir:root,rolesDir});
+  b.reloadBusiness('demo',{...loaded,roles:Object.fromEntries(Object.entries(loaded.roles).map(([n,e])=>[n,{...loaded.definitions[e.definition],...e}]))});
+  assert.doesNotThrow(()=>b.request(b.bindHuman({business:'demo',human:'jason',via:'cli',outsideAgent:true}),{verb:'instance.launch',args:{instance:'scout'}}));
+});
+test('A4 refusals and records never carry invalid role text',async t=>{
+  const {raise,store}=fixture(t);
+  await assert.rejects(raise({role:{inline:{...INLINE,authority:{withinRole:['sk-test-NOT-A-SECRET-1234'],crossRole:[]}}}}),e=>{
+    assert.ok(!JSON.stringify(e).includes('sk-test-NOT-A-SECRET-1234'));return true;
+  });
+  assert.ok(!JSON.stringify(store.all('SELECT * FROM events')).includes('sk-test-NOT-A-SECRET-1234'));
+});
+
+test('A4 a human may mark a hire seen, and the chief may withdraw its own proposal',async t=>{
+  const {raise,call,b,caps,writes}=fixture(t),d=await raise();
+  const human=b.bindHuman({business:'demo',human:'jason',via:'cli',outsideAgent:true});
+  assert.equal(call(human,'decision.seen',{id:d.id}).op,'seen');
+  assert.equal(call(caps.chief,'decision.withdraw',{id:d.id}).op,'withdrawn');
+  assert.equal(writes(),0);
+});
+
+test('A4 Console previews and consumes only the exact narrowed grants and route',async t=>{
+  const {raise,call,owner,writer,store}=fixture(t);
+  const d=await raise({role:{inline:{...INLINE,tools:['read','bash'],credentials:[{service:'gitea',scopes:['read:repository']}]}}});
+  const adjust={role:{tools:['read']},credentials:[],route:{harness:'pi',model:'claude-sonnet-5-5'}};
+  const p=await call(owner,'hire.preview.console',{id:d.id,adjust});
+  assert.notEqual(p.digest,d.hire.digest);assert.deepEqual(p.flagged,[]);assert.deepEqual(p.credentialLines,[]);
+  await assert.rejects(call(owner,'hire.resolve.console',{id:d.id,choice:'yes',digest:p.digest}),{code:'decision-stale'});
+  await call(owner,'hire.resolve.console',{id:d.id,choice:'yes',digest:p.digest,adjust});
+  const doc=writer.read('demo').document,entry=doc.definitions[doc.roles.scout.definition.slice(4)];
+  assert.deepEqual(entry.role.tools,['read']);assert.deepEqual(entry.role.credentials,[]);
+  const consume=JSON.parse(store.get("SELECT body FROM events WHERE json_extract(body,'$.operation')='hire.consume'").body);
+  assert.equal(consume.hire.digest,p.digest);assert.deepEqual(consume.hire.credentialLines,[]);
+});
+
+test('A4 Console lists template hashes without role text, under org.hire',async t=>{
+ const {call,owner,member}=fixture(t);
+ const list=await call(owner,'hire.templates.console');
+ assert.ok(list.templates.some(x=>x.name==='coder'&&/^[a-f0-9]{64}$/.test(x.sha256)));
+ assert.ok(list.templates.every(x=>Object.keys(x).sort().join(',')==='name,sha256'));
+ assert.throws(()=>call(member(['decide']),'hire.templates.console'),{code:'right-required'});
+});
+
+test('A4 chief proposals require current role.hire for hire/change and role.fire for fire',async t=>{
+ const f=fixture(t);
+ f.reloadChief({withinRole:['message.send'],crossRole:[]});
+ for(const op of ['hire','change','fire'])for(const verb of ['hire.raise','decision.raise']) {
+  const hire=f.request({op});
+  await assert.rejects(f.call(f.caps.chief,verb,verb==='decision.raise'?{action:`role.${op}`,hire}:hire),{code:'not-authorized'});
+ }
+ assert.equal(f.store.get('SELECT count(*) n FROM decisions').n,0);
+ f.reloadChief({withinRole:['role.hire'],crossRole:[]});
+ assert.ok((await f.raise()).id);
+ assert.ok((await f.raise({op:'change',name:'coder'})).id);
+ const fire={op:'fire',level:'org',name:'coder',reason:'Finished'};
+ await assert.rejects(f.call(f.caps.chief,'hire.raise',fire),{code:'not-authorized'});
+ f.reloadChief({withinRole:['role.fire'],crossRole:[]});
+ assert.ok((await f.call(f.caps.chief,'hire.raise',fire)).id);
+ await assert.rejects(f.raise(),{code:'not-authorized'});
+});
+
+test('A4 chief authority is checked again after asynchronous proposal preparation',async t=>{
+ const f=fixture(t),pending=f.raise();
+ f.reloadChief({withinRole:['message.send'],crossRole:[]});
+ await assert.rejects(pending,{code:'not-authorized'});
+ assert.equal(f.store.get('SELECT count(*) n FROM decisions').n,0);
+});
+
+test('A4 a member start needing owner approval refuses before saving a decision',async t=>{
+ const f=fixture(t),cap=f.member(['org.hire']),before=readFileSync(f.file);
+ for(const inline of [{...INLINE,tools:['read','bash']},{...INLINE,credentials:[{service:'gitea',scopes:['read:repository']}]}])
+  await assert.rejects(f.call(cap,'hire.start.console',f.request({role:{inline}})),{code:'hire-owner-required'});
+ assert.equal(f.store.get('SELECT count(*) n FROM decisions').n,0);
+ assert.deepEqual(readFileSync(f.file),before);
+ assert.equal((await f.call(cap,'hire.start.console',f.request())).op,'resolved');
+});
+
+test('A4 inbox and decision reads expire unopened hires once without changing configuration',async t=>{
+ const f=fixture(t),d=await f.raise({role:{inline:{...INLINE,tools:['read','bash']}}}),before=readFileSync(f.file);
+ const human=f.b.bindHuman({business:'demo',human:'jason',via:'cli',outsideAgent:true});
+ const original=Date.now;
+ try {
+  Date.now=()=>original()+8*86400000;
+  await assert.rejects(f.call(f.member(['org.hire']),'hire.preview.console',{id:d.id}),{code:'decision-expired'});
+  assert.deepEqual(f.call(human,'inbox'),[]);
+  const recent=f.call(human,'decisions',{list:'recent'});
+  assert.equal(recent[0].closed.by,'expiry');
+  const another=await f.raise();
+  Date.now=()=>original()+16*86400000;
+  assert.deepEqual(f.call(human,'inbox'),[]);
+  f.call(human,'decisions',{list:'recent'});
+  assert.equal(f.store.get("SELECT count(*) n FROM decision_events WHERE decision=? AND by='expiry'",another.id).n,1);
+ } finally {Date.now=original;}
+ assert.deepEqual(readFileSync(f.file),before);assert.equal(f.writes(),0);
+});
@@ -0,0 +1,14 @@
+// Trusted proposal service stand-in for executor-only tests. Authorization and real writers are
+// covered by hire-decisions.test.mjs; these tests isolate the existing grant/fire executors.
+export const hireServiceFixture = {
+  prepare: (_business,args,{id,expiresAt}) => ({id,op:args.op,level:args.level,name:args.name,revision:'b'.repeat(64),flagged:[],credentialLines:[],digest:'a'.repeat(64),expiresAt}),
+  check: () => {},
+};
+export const fixtureConsole = (broker,business='demo') => broker.bindConsole({business,human:'jason',subject:{provider:'test',iss:'https://issuer.test',sub:'owner'}});
+export const approveFixtureFire = async (broker,cap,name) => {const {id,op,choice,...result}=await broker.request(cap,{verb:'hire.start.console',args:{op:'fire',level:'org',name,reason:'The work is done'}});if(result.done===false)delete result.transaction;return result;};
+export const ownerConsole = (broker,business='demo') => broker.bindConsole({business,human:'jason',subject:{provider:'test',iss:'https://issuer.test',sub:'owner'}});
+export async function approveTemplateHire(broker,rolesDir,{business='demo',name,definition,reason='Fixture hire',model='claude-opus-5-5',...extra}) {
+  const {readTemplate}=await import('../../organization/src/definitions.mjs');
+  const source=readTemplate(rolesDir,definition);
+  return broker.request(ownerConsole(broker,business),{verb:'hire.start.console',args:{op:'hire',level:'org',name,role:{template:definition,sha256:source.sha256},route:{harness:'pi',model},reason,...extra}});
+}
@@ -6,6 +6,7 @@
 // use fixtures: the evidence and the gitea_grants row go in by SQL, as gitea-grant.test.mjs does for
 // decisions. Tokens are made up or the fake's, and only ever compared.
 import test from 'node:test';
+import { hireServiceFixture, fixtureConsole, approveFixtureFire } from './hire-fixtures.mjs';
 import assert from 'node:assert/strict';
 import { chmodSync, existsSync, mkdirSync, mkdtempSync, readFileSync, rmSync, statSync, writeFileSync } from 'node:fs';
 import { tmpdir } from 'node:os';
@@ -68,7 +69,7 @@ function world(t, options) {
  t.after(() => { store.close(); rmSync(root, { recursive: true, force: true }); });
  const business = makeBusiness({ ...options, root });
  const held = new Set();
-  const broker = new Broker({ store, businesses: { acme: business }, giteaKeys: { held: (b, a) => held.has(b + '/' + a) } });
+  const broker = new Broker({hires:hireServiceFixture, store, businesses: { acme: business }, giteaKeys: { held: (b, a) => held.has(b + '/' + a) } });
  return { store, business, broker, held, choose: () => broker.libraryFetchCredential('acme') };
 }

@@ -138,7 +139,7 @@ async function verbWorld(t, opts = {}) {
    }
    return { revision: REV };
  };
-  broker = new Broker({
+  broker = new Broker({hires:hireServiceFixture,
    store, businesses: { acme: structuredClone(doc) }, secretCheck: (value) => credentials.assertClean(value), organization,
    processing: { read: () => SWITCH }, giteaGrant: grantApi, giteaKeys: giteaKeys({ credentials, storeRoot }),
  });
@@ -174,7 +175,7 @@ async function verbWorld(t, opts = {}) {
    assert.ok(events().some((e) => e.action === 'grant.revoked' && e.agent === 'chief'));
  };
  const fire = async () => {
-    await broker.request(boss, { verb: 'instance.fire', args: { name: 'chief', reason: 'the work is done' } });
+    await approveFixtureFire(broker,fixtureConsole(broker,'acme'),'chief');
    await until(() => !doc.launch.instances.includes('chief'));
    await broker.grantsIdle();
    assert.equal(row(), undefined, 'the fire\'s step G deleted the row (row 281)');
@@ -196,7 +197,7 @@ test('C2-03b T6: the slot before any chief evidence, then the listed chief\'s li
  assert.deepEqual(w.choose(), { kind: 'slot' }, 'a seat grant is not the chief\'s: the chief entry keeps the fallback');
  grant(w.store, 'chief', { user: 'chief-bot' });
  assert.deepEqual(w.choose(), { kind: 'chief', agent: 'chief', user: 'chief-bot' });
-  assert.deepEqual(new Broker({ store: w.store, businesses: { acme: w.business } }).libraryFetchCredential('acme'), REFUSED,
+  assert.deepEqual(new Broker({hires:hireServiceFixture, store: w.store, businesses: { acme: w.business } }).libraryFetchCredential('acme'), REFUSED,
    'a bus with no grant store refuses rather than guess');
  assert.throws(() => w.broker.libraryFetchCredential('other'), { code: 'unknown-business' });
  assert.equal(LIBRARY_FETCH_FIX, 'add the chief of staff, or grant the library through C2-21');
@@ -1,3 +1,4 @@
+import { fixtureConsole, approveFixtureFire } from './hire-fixtures.mjs';
 // Row 194 (#1692, brief item 8, row 199 D13, T20): fire and delete revoke the agent's credentials
 // after the writer's checks and before the write. Fire revokes each service and keeps the store
 // directory. Delete calls remove (sage-1593). A failed revoke stops the verb with
@@ -54,7 +55,8 @@ async function setup(t, { drop = [], seed = null } = {}) {
  const chief = bus.broker.bindLaunch({ business: 'demo', role: 'chief', run: 'chief-run', harness: 'pi' });
  bus.broker.request(chief, { verb: 'role.claim' });
  const ask = (verb, args) => bus.broker.request(human, { verb, args });
-  const fire = (name) => bus.broker.request(chief, { verb: 'instance.fire', args: { name, reason: 'the work is done' } });
+  const hireConsole=fixtureConsole(bus.broker);
+  const fire = name => approveFixtureFire(bus.broker,hireConsole,name);
  const agentDir = (agent) => join(root, 'secrets', 'agents', 'demo', agent);
  const plant = (agent, service) => {
    mkdirSync(agentDir(agent), { recursive: true, mode: 0o700 });
@@ -85,12 +87,12 @@ test('T20 fire: a revoke that fails stops the fire with the file unchanged; one
  // The revoke can't unlink the token, so it fails before the write: the file still lists coder.
  const before = f.bytes();
  chmodSync(f.agentDir('coder'), 0o500);
-  assert.equal(f.code(() => f.fire('coder')), 'credential-revoke-failed');
+  await assert.rejects(f.fire('coder'),{code:'credential-revoke-failed'});
  chmodSync(f.agentDir('coder'), 0o700);
  assert.equal(f.bytes(), before);
  assert.ok(JSON.parse(before).launch.instances.includes('coder'));

-  const fired = f.fire('coder');
+  const fired = await f.fire('coder');
  assert.equal(fired.delisted, true);
  assert.deepEqual(fired.credentials, { revoked: ['gitea', 'vikunja'], outsideStore: ['vikunja'] });
  assert.ok(!JSON.parse(f.bytes()).launch.instances.includes('coder'));
@@ -109,7 +111,7 @@ test('T20 fire: an instance already delisted still has its tokens revoked and th
  doc.launch.instances = doc.launch.instances.filter((name) => name !== 'rev-2');
  writeFileSync(f.file, JSON.stringify(doc, null, 2) + '\n', { mode: 0o600 });
  const before = f.bytes();
-  const fired = f.fire('rev-2');
+  const fired = await f.fire('rev-2');
  assert.equal(fired.delisted, false);
  assert.equal(fired.transaction, null);
  assert.deepEqual(fired.credentials, { revoked: ['gitea', 'vikunja'], outsideStore: [] });
@@ -122,10 +124,10 @@ test('T20 fire: with no entry in the running bus, a token on disk refuses and an
  const f = await setup(t, { drop: ['rev-2'] });
  f.plant('rev-2', 'gitea');
  const before = f.bytes();
-  assert.equal(f.code(() => f.fire('rev-2')), 'credential-revoke-failed');
+  await assert.rejects(f.fire('rev-2'),{code:'credential-revoke-failed'});
  assert.equal(f.bytes(), before);
  rmSync(join(f.agentDir('rev-2'), 'gitea'));
-  const fired = f.fire('rev-2');
+  const fired = await f.fire('rev-2');
  assert.equal(fired.delisted, true);
  assert.deepEqual(fired.credentials, { revoked: ['gitea', 'vikunja'], outsideStore: [] });
 });
@@ -198,11 +200,11 @@ test('row 281 T1 fire: a host.<id> or granted gitea file in the store refuses st
  const f = await setup(t);
  f.plant('coder', 'host.web1');
  const before = f.bytes();
-  assert.equal(f.code(() => f.fire('coder')), 'credential-revoke-failed');
+  await assert.rejects(f.fire('coder'),{code:'credential-revoke-failed'});
  assert.equal(f.bytes(), before);
  assert.deepEqual(readdirSync(f.agentDir('coder')), ['host.web1']);
  rmSync(join(f.agentDir('coder'), 'host.web1'));
-  assert.equal(f.fire('coder').delisted, true);
+  assert.equal((await f.fire('coder')).delisted, true);
 });

 // T1, the start: a host_grants record whose key file is gone (what a delete left before this row). The
@@ -1,3 +1,5 @@
+import {readTemplate} from '../../organization/src/definitions.mjs';
+import { approveTemplateHire, ownerConsole } from './hire-fixtures.mjs';
 // #655 isolated STATIC fixture: actual managed fromSession caller + runtime/writer/controller.
 import fs from 'node:fs';
 import http from 'node:http';
@@ -25,10 +27,10 @@ export async function ownershipFixture(t,{launches=true,listed=true,keep=false,r
 // Available before any acquired resource/setup can fail; no later f/launcher TDZ.
 const launchLog=()=>{const file=launchLogFile(join(root,'data'),'acme');return fs.existsSync(file)?fs.readFileSync(file,'utf8').trim().split('\n').filter(Boolean).map(line=>JSON.parse(line)):[];};
 t.after(async()=>{const failures=[];for(const g of gates)g.release();try{await waitFor(()=>active.size===0,'owned operations did not settle',5000);}catch{failures.push('owned-operation-close');}for(const close of [...closers].reverse()){try{await close();}catch{failures.push('owned-close');}}try{server?.closeAllConnections();if(server?.listening)await new Promise((resolve,reject)=>server.close(e=>e?reject(e):resolve()));}catch{failures.push('owned-server-close');}try{checkHistory({logs,proxyReceipts,trace});}catch{failures.push('value-free-receipts');}try{checkHistory({launch:launchLog()});}catch{failures.push('owned-launch-log-guard');}if(stderr)process.stderr.write=stderr;try{fs.rmSync(root,{recursive:true,force:true});}catch{failures.push('owned-root-close');}if(failures.length)throw new AggregateError(failures.map(code=>Error(code)),'owned managed fixture cleanup failed');});
- const f=fixture(root,'acme',doc=>{doc.plugins={...doc.plugins,harness:['pi']};for(const role of Object.values(doc.roles))role.vars={...role.vars,harness:'pi'};doc.roles.chief.vars.model='claude-opus-5-5';doc.roles.aide={definition:'aide',vars:{harness:'pi',model:'claude-opus-5-5',thinking:'high'}};if(listed)doc.launch.instances.push('aide');if(keep)doc.launch.keep=['aide'];if(retired)doc.retired=['alpha'];if(noHire)doc.launch.noHire=['aide'];return doc;});
+ const f=fixture(root,'acme',doc=>{doc.plugins={...doc.plugins,harness:['pi']};for(const role of Object.values(doc.roles))role.vars={...role.vars,harness:'pi'};doc.roles.chief.vars.model='claude-opus-5-5';doc.roles.aide={definition:'aide',vars:{harness:'pi',model:'claude-opus-5-5',thinking:'high'}};if(listed)doc.launch.instances.push('aide');if(keep)doc.launch.keep=['aide'];if(retired)doc.retired=['alpha'];if(noHire)doc.launch.noHire=['aide'];if(!listed)delete doc.roles.aide;return doc;});
 // The established scratch aide pattern only; repository roles/policy stay untouched.
 for(const name of ['aide','helper']){fs.writeFileSync(join(f.roles,name+'.md'),'# Scratch aide\n\n## Authority\n');writeJson(join(f.roles,name+'.json'),{roleVersion:2,name,title:'Aide',contract:name+'.md',tools:['read'],network:'api-only',authority:{withinRole:['message.send'],crossRole:[]},credentials:[]});}
- const chiefFile=join(f.roles,'chief-of-staff.json');writeJson(chiefFile,{...JSON.parse(fs.readFileSync(chiefFile,'utf8')),hireable:['aide','helper']});
+ const chiefFile=join(f.roles,'chief-of-staff.json');
 const env={PATH:process.env.PATH,HOME:process.env.HOME,TMPDIR:process.env.TMPDIR,MOSAIC_CONFIG:f.config,MOSAIC_ROLES_DIR:f.roles};
 const configDir=join(root,'config'),prefix=`msk-${id(configDir)}-`,sentinel=prefix+'sentinel-'+randomBytes(32).toString('base64url');history.add(sentinel);
 const state={keys:[sentinel],calls:[],refuseProbe,counts:{GET:0,PUT:0,PROBE:0},puts:[],failRemoval:false};
@@ -110,7 +112,7 @@ export async function ownershipFixture(t,{launches=true,listed=true,keep=false,r
 const file=join(configDir,'businesses','acme.json');
 const hold=(method='GET',ordinal=state.counts[method]+1)=>{let release;const promise=new Promise(r=>{release=r;});const gate={method,ordinal,seen:false,used:false,cancelled:false,promise,release};gates.push(gate);return {ordinal,seen:()=>gate.seen,entered:()=>waitFor(()=>gate.seen,'owned HTTP gate not reached',5000),release,cancel:()=>{gate.cancelled=true;release();}};};
 const outcome=promise=>{const box={settled:false};box.promise=track(Promise.resolve(promise).then(value=>{box.settled=true;box.ok=true;box.value=value;return box;},error=>{box.settled=true;box.ok=false;box.code=error.code??'unexpected-error';return box;}));return box;};
- const hire=(name='aide',extra={},cap=chief)=>{const called={value:false};const box=outcome(Promise.resolve().then(()=>{const operation=bus.broker.request(cap,{verb:'instance.hire',args:{name,definition:'aide',reason:'fixture ownership',...extra}});called.value=true;return operation;}));Object.defineProperty(box,'invoked',{get:()=>called.value});return box;};
+ const hire=(name='aide',extra={},cap=chief)=>{const called={value:false};const box=outcome(Promise.resolve().then(()=>{const operation=(async()=>{const definition=extra.definition??'aide';const d=await bus.broker.request(cap,{verb:'hire.raise',args:{op:'hire',level:'org',name,role:{template:definition,sha256:readTemplate(f.roles,definition).sha256},route:{harness:'pi',model:'claude-opus-5-5'},reason:'fixture ownership',...(extra.vars?{vars:extra.vars}:{})}});return bus.broker.request(ownerConsole(bus.broker,'acme'),{verb:'hire.resolve.console',args:{id:d.id,choice:'yes',digest:d.hire.digest}});})();called.value=true;return operation;}));Object.defineProperty(box,'invoked',{get:()=>called.value});return box;};
 const record=(name='aide')=>bus.credentials.modelRecord('acme/'+name);
 const snapshot=()=>{const journal=join(configDir,'businesses','.history','acme','changes.jsonl');return {membership:id(fs.readFileSync(file)),journal:fs.existsSync(journal)?id(fs.readFileSync(journal)):null,credentials:id(JSON.stringify(bus.credentials.status())),model:record()?id(JSON.stringify(record())):null,remote:id(JSON.stringify(state.keys)),calls:state.calls.length};};
 return {root,f,state,trace,proxyReceipts,logs,launcher,bus,chief,record,hold,outcome,hire,snapshot,file,launchLog,expectedKeyId:()=>expectedKeyId,valueFree,
@@ -123,7 +125,7 @@ export async function ownershipFixture(t,{launches=true,listed=true,keep=false,r
  assertModelAbsent:name=>{assert.equal(bus.credentials.modelRecord('acme/'+name)===null,true);assert.equal(fs.existsSync(join(configDir,'secrets','agents','acme',name,'model')),false);},
  rotateBound:async()=>{const before=record();bus.credentials.writeModel('acme/aide',{...before,rotateBy:new Date(Date.now()-86400_000).toISOString().slice(0,10)});await waitFor(()=>record()?.retiring.some(r=>r.keyId===before.keyId),'original runtime sweep rotates bound generation');return before.keyId;},
  explicitEnd:()=>bus.broker.request(chief,{verb:'role.revoke',args:{role:'aide',reason:'fixture explicit end'}}),
-  fire:()=>outcome(Promise.resolve().then(()=>bus.broker.request(chief,{verb:'instance.fire',args:{name:'aide',reason:'fixture explicit fire'}}))),
+  fire:()=>outcome(Promise.resolve().then(()=>bus.broker.request(ownerConsole(bus.broker,'acme'),{verb:'hire.start.console',args:{op:'fire',level:'org',name:'aide',reason:'fixture explicit fire'}}))),
  runDirectories:()=>fs.existsSync(runsDir(f.dataRoot,'acme'))?fs.readdirSync(runsDir(f.dataRoot,'acme')).map(name=>join(runsDir(f.dataRoot,'acme'),name)):[],
  sessions:()=>readSessions(f.dataRoot),send:body=>bus.broker.request(human,{verb:'message.send',args:{to:'aide',body,class:'REQUEST'}}),
  reply:sent=>waitFor(()=>bus.broker.request(human,{verb:'message.receive'}).find(m=>m.in_reply_to===sent.id),'real managed reply observed'),
@@ -38,9 +38,8 @@ test('655 actual launch own preflight generation and bound consumer survive conc

 for(const [label,options,args,code] of [
 ['retired name',{retired:true},{name:'alpha'},'organization-instance-retired'],
- ['listed duplicate vars',{}, {vars:{model:'claude-opus-5-5'}},'organization-instance-exists'],
- ['fired mismatched legal definition',{listed:false},{definition:'helper'},'organization-instance-exists'],
- ['fired matching definition with vars',{listed:false},{vars:{model:'claude-opus-5-5'}},'organization-instance-exists'],
+ ['listed duplicate vars',{}, {vars:{model:'claude-opus-5-5'}},'invalid-request'],
+ ['fired matching definition with vars',{listed:false},{vars:{model:'claude-opus-5-5'}},'invalid-request'],
 ])test('655 shared validation '+label+' has no credential effects',{timeout:30000},async t=>{
 const f=await ownershipFixture(t,options),before=f.snapshot(),{name='aide',...extra}=args;await refused(f.hire(name,extra),code);
 assert.deepEqual(f.snapshot(),before,'shared hire refusal precedes credential registration or proxy I/O');f.valueFree();
@@ -49,7 +48,7 @@ for(const [label,options,args,code] of [
 for(const [label,options,extra,code] of [
 ['kept target',{keep:true},{},'instance-kept'],
 ['noHire definition',{noHire:true},{},'definition-not-hireable'],
- ['ineligible definition',{}, {definition:'security-reviewer'},'definition-not-hireable'],
+ ['duplicate with another definition',{}, {definition:'security-reviewer'},'organization-instance-exists'],
 ['invalid vars',{}, {vars:{harness:'pi'}},'invalid-request'],
 ])test('655 existing Broker '+label+' refusal remains before model effects',{timeout:30000},async t=>{
 const f=await ownershipFixture(t,options),before=f.snapshot();await refused(f.hire('aide',extra),code);assert.deepEqual(f.snapshot(),before);f.valueFree();
@@ -59,9 +58,9 @@ test('655 existing nonchief actor refusal remains before shared checks and model
 const f=await ownershipFixture(t),cap=f.wrongActor(),before=f.snapshot();await refused(f.hire('aide',{},cap),'role-not-chief');assert.deepEqual(f.snapshot(),before);f.valueFree();
 });

-test('655 valid fired matching definition rehire publishes before queued acquisition',{timeout:30000},async t=>{
+test('655 valid new hire publishes before queued acquisition',{timeout:30000},async t=>{
 const f=await ownershipFixture(t,{listed:false}),put=f.hold('PUT'),h=f.hire();await put.entered();const p=f.preflight();assert.equal(f.listed('aide'),false);
- put.release();await done(h);assert.equal(h.ok,true);assert.equal(typeof h.value.transaction,'string');await done(p);assert.equal(p.ok,true);assert.equal(f.listed('aide'),true);assert.equal(p.value.key===f.record().key,true);assert.equal(await f.healthy(p.value.key),200);f.valueFree();
+ put.release();await done(h);assert.equal(h.ok,true);assert.equal(typeof h.value.transaction,'string');await done(p);assert.equal(p.code,'unknown-role','no admission before membership publication');assert.equal(f.listed('aide'),true);const admitted=await done(f.preflight());assert.equal(admitted.ok,true);assert.equal(admitted.value.key===f.record().key,true);assert.equal(await f.healthy(admitted.value.key),200);f.valueFree();
 });

 test('655 preexisting admitted generation and retiring metadata survive duplicate failure',{skip:unavailable,timeout:30000},async t=>{
@@ -74,22 +73,22 @@ test('655 captured revision is checked after controller queue before generation
 const f=await ownershipFixture(t),gate=f.hold('GET'),p=f.preflight('chief');await gate.entered();const h=f.hire('alpha');
 // A following same-business operation proves H established its pending slot,
 // rather than an arbitrary sleep before the external owner revision change.
- await refused(f.hire('beta'),'organization-busy');f.bumpRevision();gate.release();await done(p);assert.equal(p.ok,true);await refused(h,'revision-conflict');
+ await refused(f.hire('beta'),'organization-busy');f.bumpRevision();gate.release();await done(p);assert.equal(p.ok,true);await refused(h,'decision-stale');
 assert.equal(f.state.counts.PUT,1,'queued stale hire does not issue a generation');f.assertModelAbsent('alpha');assert.equal(f.listed('alpha'),false);f.valueFree();
 });

 test('655 genuine new generation revision failure cleans before queued acquisition receives a key',{timeout:30000},async t=>{
 const f=await ownershipFixture(t,{listed:false}),put=f.hold('PUT'),h=f.hire();await put.entered();
 const failedGeneration=f.state.puts[0].find(k=>!k.includes('-sentinel-'));assert.ok(failedGeneration,'real first issuance payload observed');
- const p=f.preflight();f.bumpRevision();put.release();await refused(h,'revision-conflict');await done(p);
- const valid=p.ok&&p.value.key!==failedGeneration&&f.record()?.key===p.value.key&&f.state.keys.includes(p.value.key)&&!f.state.keys.includes(failedGeneration);
- assert.equal(valid,true,'queued acquisition receives a valid post-cleanup generation');assert.equal(f.listed('aide'),false);assert.equal(await f.healthy(p.value.key),200);f.valueFree();
+ const p=f.preflight();f.bumpRevision();put.release();await refused(h,'decision-stale');await done(p);
+ assert.equal(p.code,'unknown-role','an unpublished agent cannot acquire a model key');
+ assert.equal(f.state.keys.includes(failedGeneration),false,'failed generation was removed');f.assertModelAbsent('aide');assert.equal(f.listed('aide'),false);f.valueFree();
 });

 test('655 failed cleanup retains revoking intent and refuses queued admission',{timeout:30000},async t=>{
 const f=await ownershipFixture(t,{listed:false}),put=f.hold('PUT'),h=f.hire();await put.entered();const p=f.preflight();f.bumpRevision();f.state.failRemoval=true;put.release();
- await refused(h,'revision-conflict');await done(p);assert.equal(f.record()?.state,'revoking','failed removal keeps durable nonlaunchable intent');
- assert.equal(!p.ok&&p.code==='proxy-key-revoking',true,'queued admission refuses retained revoking intent');assert.equal(f.listed('aide'),false);assert.equal(fs.existsSync(join(f.root,'config','secrets','agents','acme','aide','model')),true);f.valueFree();
+ await refused(h,'decision-stale');await done(p);assert.equal(f.record()?.state,'revoking','failed removal keeps durable nonlaunchable intent');
+ assert.equal(!p.ok&&p.code==='unknown-role',true,'unpublished membership refuses admission while model record retains revoking intent');assert.equal(f.listed('aide'),false);assert.equal(fs.existsSync(join(f.root,'config','secrets','agents','acme','aide','model')),true);f.valueFree();
 });

 test('655 no-launch remains before own preflight and grants no consumer or stop authority',{timeout:30000},async t=>{
@@ -1,3 +1,6 @@
+import {materializeCopies,withCopies} from '../../organization/src/agent-copies.mjs';
+import {loadRootAgents} from '../../organization/src/agent-levels.mjs';
+import { approveTemplateHire, ownerConsole } from './hire-fixtures.mjs';
 // P2: real private Credentials, fake loopback management/model server. No live config.
 import test from 'node:test';
 import assert from 'node:assert/strict';
@@ -173,7 +176,7 @@ test('proxy-stop-failed: old proxy key and retiring record survive a failed grac
  stopped = true; await overdue.sweep(); assert.equal(f.state.keys.includes(first.key), false);
 });

-async function bootBusiness(f, binding = {}) {
+async function bootBusiness(f, {copyLevel = null,...binding} = {}) {
  const rolesDir = rolesCopy(f.root), system = systemFor(f.root), doc = businessDoc(f.root, 'demo');
  // Aide is needed because shipped chief hireable:[] and security-reviewer has review.verdict outside HIRE_ALLOWED.
  fs.writeFileSync(join(rolesDir, 'aide.md'), '# Aide\n\n## Authority\n');
@@ -181,23 +184,26 @@ async function bootBusiness(f, binding = {}) {
    roleVersion: 2, name: 'aide', title: 'Aide', contract: 'aide.md', tools: ['read'], network: 'api-only',
    authority: { withinRole: ['message.send'], crossRole: [] }, credentials: [],
  });
-  const chiefFile = join(rolesDir, 'chief-of-staff.json');
-  writeJson(chiefFile, { ...JSON.parse(fs.readFileSync(chiefFile, 'utf8')), hireable: ['aide'] });
+
  doc.plugins = { ...doc.plugins, harness: ['pi'] };
  doc.roles['sec-1'] = { definition: 'security-reviewer' }; doc.launch.instances.push('sec-1');
+  const copyEntry={definition:'aide',vars:{harness:'pi',model:'claude-opus-5-5'}};
+  if(copyLevel==='project')doc.projects.stack.agents={aide:copyEntry};
+  if(copyLevel==='root')writeJson(join(f.configDir,'agents.json'),{agentsVersion:1,agents:{aide:copyEntry}});
+  const copies=copyLevel?materializeCopies({orgId:'demo',doc,rolesDir,root:loadRootAgents(f.configDir,{rolesDir})}):null;
  const file = writeJson(join(f.configDir, 'businesses', 'demo.json'), doc);
  fs.writeFileSync(join(f.configDir, 'secrets', 'proxy-management.key'), 'fx331-manage', { mode: 0o600 });
-  const business = loadBusiness('demo', { dir: f.configDir, rolesDir }), resolved = {};
+  const business = copies?withCopies(doc,file,{rolesDir,snapshot:copies}):loadBusiness('demo', { dir: f.configDir, rolesDir }), resolved = {};
  for (const instance of Object.keys(business.roles)) resolved[instance] = resolveInstance({ system, business, instance });
  fs.mkdirSync(join(f.root, 'data'), { mode: 0o700 });
  // Fresh mkdtemp fixture + exclusive mkdir above: no prior session registry can exist.
  new Registry(join(f.root, 'data'));
  const bus = await startBroker({ dataRoot: join(f.root, 'data'), businesses: { demo: busOrganization(business, resolved) },
-    organization: { dir: f.configDir, rolesDir, system }, proxy: { port: Number(new URL(f.baseUrl).port), binary: '/fixture-unused' }, ...binding });
+    copies, organization: { dir: f.configDir, rolesDir, system }, proxy: { port: Number(new URL(f.baseUrl).port), binary: '/fixture-unused' }, ...binding });
  f.closers.push(() => bus.close());
  const chief = bus.broker.bindLaunch({ business: 'demo', role: 'chief', run: 'chief-run', harness: 'pi' });
  bus.broker.request(chief, { verb: 'role.claim' });
-  const fire = () => bus.broker.request(chief, { verb: 'instance.fire', args: { name: 'sec-1', reason: 'fixture fire' } });
+  const fire = () => bus.broker.request(ownerConsole(bus.broker), { verb: 'hire.start.console', args: { op:'fire',level:'org',name: 'sec-1', reason: 'fixture fire' } });
  const listed = () => JSON.parse(fs.readFileSync(file, 'utf8')).launch.instances.includes('sec-1');
  return { bus, chief, fire, listed, file, rolesDir, system };
 }
@@ -233,7 +239,7 @@ test('proxy-revoke-revision-conflict: racing organization write keeps record, ne
 });
 test('bus hire issues and confirms implicit model key before publishing new membership', async t => {
  const f = await fixture(t); const b = await bootBusiness(f); const calls = f.state.calls.length;
-  const result = await b.bus.broker.request(b.chief, { verb: 'instance.hire', args: { name: 'sec-new', definition: 'aide', reason: 'fixture hire' } });
+  const result = await approveTemplateHire(b.bus.broker,b.rolesDir,{name:'sec-new',definition:'aide'});
  assert.equal(typeof result.transaction, 'string');
  assert.equal(JSON.parse(fs.readFileSync(b.file, 'utf8')).launch.instances.includes('sec-new'), true);
  assert.equal(b.bus.credentials.modelRecord('demo/sec-new')?.state, 'valid');
@@ -242,7 +248,7 @@ test('bus hire issues and confirms implicit model key before publishing new memb
 test('proxy-key-issue-failed: bus hire failure publishes neither membership nor model file', async t => {
  const f = await fixture(t); const b = await bootBusiness(f); f.state.failPut = true;
  const before = fs.readFileSync(b.file, 'utf8');
-  await assert.rejects(b.bus.broker.request(b.chief, { verb: 'instance.hire', args: { name: 'sec-new', definition: 'aide', reason: 'fixture hire' } }), failCode('proxy-key-issue-failed'));
+  await assert.rejects(approveTemplateHire(b.bus.broker,b.rolesDir,{name:'sec-new',definition:'aide'}), failCode('proxy-key-issue-failed'));
  assert.equal(fs.readFileSync(b.file, 'utf8'), before); assert.equal(b.bus.credentials.modelRecord('demo/sec-new') === null, true);
 });
 test('proxy-open: removing sentinel after boot refuses the next launch before models probe', async t => {
@@ -252,7 +258,7 @@ test('proxy-open: removing sentinel after boot refuses the next launch before mo
 });
 test('newly hired role can use runtime preflight without a broker restart', async t => {
  const f = await fixture(t); const b = await bootBusiness(f);
-  await b.bus.broker.request(b.chief, { verb: 'instance.hire', args: { name: 'sec-new', definition: 'aide', reason: 'fixture hire' } });
+  await approveTemplateHire(b.bus.broker,b.rolesDir,{name:'sec-new',definition:'aide'});
  const proxy = await b.bus.modelPreflight({ business: 'demo', role: 'sec-new' });
  assert.equal(proxy.baseUrl, f.baseUrl); assert.equal(f.state.keys.includes(proxy.key), true);
 });
@@ -328,3 +334,15 @@ test('beta bus registers while alpha bus runs and alpha key stays accepted', asy
  assert.ok(f.state.keys.some(value => value.startsWith(`mso-${hash(f.configDir)}-beta-sentinel-`)));
  assert.equal((await alpha.bus.modelPreflight({ business: 'demo', role: 'sec-1' })).key, key);
 });
+
+for(const level of ['root','project'])test(`A4 ${level} fire removes its implicit model key before publication`,async t=>{
+  const f=await fixture(t),b=await bootBusiness(f,{copyLevel:level});
+  const instance=level==='root'?'aide':'aide.stack';
+  const issued=await b.bus.modelPreflight({business:'demo',role:instance});
+  assert.ok(issued.key);
+  await b.bus.broker.request(ownerConsole(b.bus.broker),{verb:'hire.start.console',args:{op:'fire',level,...(level==='project'?{project:'stack'}:{}),name:'aide',reason:'Copy work finished'}});
+  assert.equal(f.state.keys.includes(issued.key),false,'remote generation is revoked');
+  assert.equal(b.bus.credentials.modelRecord('demo/'+instance),null,'private generation is removed');
+  const human=b.bus.broker.bindHuman({business:'demo',human:'jason',via:'cli',outsideAgent:true});
+  assert.throws(()=>b.bus.broker.request(human,{verb:'instance.launch',args:{instance}}));
+});
@@ -1,3 +1,4 @@
+import { approveTemplateHire } from './hire-fixtures.mjs';
 // #651 actual runtime + organization.hire publication with orphan private records.
 // In-process trusted Broker, real SQLite/organization writer/HTTP; not process IPC.
 import test from 'node:test';
@@ -16,7 +17,7 @@ async function hireFixture(t,{revoking=false}={}){
 const rolesDir=rolesCopy(f.root),system=systemFor(f.root),doc=businessDoc(f.root,'demo');
 // Scratch aide: shipped chief hireable:[] and review.verdict is outside HIRE_ALLOWED.
 fs.writeFileSync(join(rolesDir,'aide.md'),'# Aide\n\n## Authority\n');writeJson(join(rolesDir,'aide.json'),{roleVersion:2,name:'aide',title:'Aide',contract:'aide.md',tools:['read'],network:'api-only',authority:{withinRole:['message.send'],crossRole:[]},credentials:[]});
- const chiefFile=join(rolesDir,'chief-of-staff.json');writeJson(chiefFile,{...JSON.parse(fs.readFileSync(chiefFile,'utf8')),hireable:['aide']});doc.plugins={...doc.plugins,harness:['pi']};
+ const chiefFile=join(rolesDir,'chief-of-staff.json');doc.plugins={...doc.plugins,harness:['pi']};
 const file=writeJson(join(f.configDir,'businesses','demo.json'),doc);fs.writeFileSync(join(f.configDir,'secrets','proxy-management.key'),'fx651-manage',{mode:0o600});
 const business=loadBusiness('demo',{dir:f.configDir,rolesDir}),resolved={};for(const instance of Object.keys(business.roles))resolved[instance]=resolveInstance({system,business,instance});
 const dataRoot=join(f.root,'data');fs.mkdirSync(dataRoot,{mode:0o700});
@@ -27,7 +28,7 @@ async function hireFixture(t,{revoking=false}={}){
 assert.equal(f.state.keys.includes(issued.key),false,'runtime boot reconciled omitted orphan');assert.equal(bus.credentials.modelRecord('demo/orphan')===null,true,'orphan remains unregistered before hire');
 const cap=bus.broker.bindLaunch({business:'demo',role:'chief',run:'orphan-hire-chief',harness:'pi'});bus.broker.request(cap,{verb:'role.claim'});
 const listed=()=>JSON.parse(fs.readFileSync(file,'utf8')).launch.instances.includes('orphan'),observed=[];f.state.observePut=()=>observed.push(listed());f.state.calls=[];
- const hire=()=>bus.broker.request(cap,{verb:'instance.hire',args:{name:'orphan',definition:'aide',reason:'fixture orphan hire'}});
+ const hire=()=>approveTemplateHire(bus.broker,rolesDir,{name:'orphan',definition:'aide'});
 return {...f,bus,issued,file,log,listed,observed,hire};
 }
 test('L3b runtime hire publishes orphan only after fresh remote confirmation',async t=>{
@@ -1,3 +1,5 @@
+import { readTemplate } from '../../organization/src/definitions.mjs';
+import { ownerConsole } from './hire-fixtures.mjs';
 // #654 isolated real runtime/writer/controller with owned HTTP request gates.
 import fs from 'node:fs';
 import http from 'node:http';
@@ -22,7 +24,7 @@ export async function pendingFixture(t,{twoBusinesses=false}={}){
 const configDir=join(root,'config'),dataRoot=join(root,'data'),rolesDir=rolesCopy(root),system=systemFor(root);fs.mkdirSync(dataRoot,{mode:0o700});
 const doc=businessDoc(root,'demo');doc.plugins={...doc.plugins,harness:['pi']};
 // Existing row331 scratch aide pattern only; repository role authority unchanged.
- fs.writeFileSync(join(rolesDir,'aide.md'),'# Aide\n\n## Authority\n');writeJson(join(rolesDir,'aide.json'),{roleVersion:2,name:'aide',title:'Aide',contract:'aide.md',tools:['read'],network:'api-only',authority:{withinRole:['message.send'],crossRole:[]},credentials:[]});const chiefFile=join(rolesDir,'chief-of-staff.json');writeJson(chiefFile,{...JSON.parse(fs.readFileSync(chiefFile,'utf8')),hireable:['aide']});
+ fs.writeFileSync(join(rolesDir,'aide.md'),'# Aide\n\n## Authority\n');writeJson(join(rolesDir,'aide.json'),{roleVersion:2,name:'aide',title:'Aide',contract:'aide.md',tools:['read'],network:'api-only',authority:{withinRole:['message.send'],crossRole:[]},credentials:[]});
 const ids=twoBusinesses?['demo','other']:['demo'],files={},businesses={};for(const name of ids){const document={...structuredClone(doc),id:name};files[name]=writeJson(join(configDir,'businesses',name+'.json'),document);const business=loadBusiness(name,{dir:configDir,rolesDir}),resolved={};for(const instance of Object.keys(business.roles))resolved[instance]=resolveInstance({system,business,instance});businesses[name]=busOrganization(business,resolved);}
 fs.mkdirSync(join(configDir,'secrets'),{recursive:true,mode:0o700});fs.writeFileSync(join(configDir,'secrets','proxy-management.key'),'fx654-manage',{mode:0o600});fs.mkdirSync(join(dataRoot,'bus-host'),{recursive:true,mode:0o700});writeJson(sessionsFile(dataRoot),{sessionsVersion:SESSIONS_VERSION,sessions:[]});
 const sentinel=`msk-${hash(configDir).slice(0,12)}-sentinel-${randomBytes(32).toString('base64url')}`;state.keys.push(sentinel);history.add(sentinel);
@@ -44,7 +46,7 @@ export async function pendingFixture(t,{twoBusinesses=false}={}){
 const holdNext=(method='GET')=>{assert.equal(state.nextGate,null,'only one owned HTTP hold armed');const g={method,entered:deferred(),release:deferred()};gates.push(g);state.nextGate=g;return {entered:()=>bounded(g.entered.promise,'owned lifecycle HTTP boundary not observed'),release:()=>g.release.resolve()};};
 const listed=(business,name)=>JSON.parse(fs.readFileSync(files[business],'utf8')).launch.instances.includes(name);
 const snapshot=business=>{const journal=join(configDir,'businesses','.history',business,'changes.jsonl');return {membership:hash(fs.readFileSync(files[business])),publicationJournal:fs.existsSync(journal)?hash(fs.readFileSync(journal)):null,modelStatus:hash(JSON.stringify(bus.credentials.status())),remote:hash(JSON.stringify(state.keys)),calls:state.calls.length};};
- const hire=(business,name,definition='aide',cap=chief[business])=>track(Promise.resolve().then(()=>bus.broker.request(cap,{verb:'instance.hire',args:{name,definition,reason:'fixture pending hire'}})));
+ const hire=(business,name,definition='aide',cap=chief[business])=>track(Promise.resolve().then(()=>(async()=>{const d=await bus.broker.request(cap,{verb:'hire.raise',args:{op:'hire',level:'org',name,role:{template:definition,sha256:readTemplate(rolesDir,definition).sha256},route:{harness:'pi',model:'claude-opus-5-5'},reason:'fixture pending hire'}});return bus.broker.request(ownerConsole(bus.broker,business),{verb:'hire.resolve.console',args:{id:d.id,digest:d.hire.digest,choice:'yes'}});})()));
 const busy=async promise=>{const result=await bounded(promise.then(()=>({code:'unexpected-success'}),e=>({code:e.code??'unexpected-error'})),'same-business refusal not observed');assert.equal(result.code,'organization-busy','second same-business lifecycle call refuses exact pending code');};
 return {root,configDir,dataRoot,rolesDir,bus,state,receipts,chief,holdNext,listed,snapshot,hire,busy,valueFree,
  healthy:async(business,name)=>{const value=await bus.modelPreflight({business,role:name});const record=bus.credentials.modelRecord(business+'/'+name);assert.equal(value.key===record.key,true);assert.equal(state.keys.includes(record.key),true,'published member retains confirmed model credential');},
@@ -1,3 +1,4 @@
+import {ownerConsole} from './hire-fixtures.mjs';
 // #656 STATIC isolated fixtures. No real config/key/proxy; no production seam.
 import fs from 'node:fs';
 import http from 'node:http';
@@ -74,7 +75,7 @@ export async function revocationFixture(t,{runtime=false,onRoot=()=>{},missingBo
 syncBuiltinESMExports();restoreFs=()=>{Object.assign(fs,original);syncBuiltinESMExports();};
 const record=()=>c.modelRecord(instance),exists=path=>{try{original.lstatSync(path);return true;}catch(error){if(error.code==='ENOENT')return false;throw error;}};
 const seed=({matchingTmp=true,retiring=0,valid=false}={})=>{const current=key(),old=Array.from({length:retiring},()=>({key:key(),issuedAt:'2026-10-23T00:00:00.000Z',retireAt:'2099-01-01T00:00:00.000Z'})).map(r=>({...r,keyId:id(r.key)}));const value={key:current,keyId:id(current),issuedAt:'2026-10-24T00:00:00.000Z',rotateBy:'2099-01-01',state:valid?'valid':'revoking',...(valid?{}:{revokingAt:'2026-10-25T00:00:00.000Z'}),retiring:old};state.keys.push(current,...old.map(r=>r.key));c.writeModel(instance,value);if(matchingTmp){fs.copyFileSync(file,temporary);fs.chmodSync(temporary,0o600);}removedTmp=false;return value;};
- const lifecycle=how=>track((async()=>{if(how==='fire')return await bus.broker.request(chief,{verb:'instance.fire',args:{name:'aide',reason:'fixture recognized tmp'}});const revision=writer.read('demo').revision;const request=bus.broker.request(human,{verb:'instances.set',args:{revision,instance:'aide',op:'delete'}});const route={business:'demo',request:request.request},take=bus.lifecycleTake(route);assert.equal(take.go,true,'real trusted delete request is taken');try{const result=await bus.lifecycleDelete(route);bus.lifecycleDone({...route,transaction:result.transaction});return result;}catch(error){bus.lifecycleDone({...route,refusal:error.code??'outcome-unknown'});throw error;}})());
+ const lifecycle=how=>track((async()=>{if(how==='fire')return await bus.broker.request(ownerConsole(bus.broker),{verb:'hire.start.console',args:{op:'fire',level:'org',name:'aide',reason:'fixture recognized tmp'}});const revision=writer.read('demo').revision;const request=bus.broker.request(human,{verb:'instances.set',args:{revision,instance:'aide',op:'delete'}});const route={business:'demo',request:request.request},take=bus.lifecycleTake(route);assert.equal(take.go,true,'real trusted delete request is taken');try{const result=await bus.lifecycleDelete(route);bus.lifecycleDone({...route,transaction:result.transaction});return result;}catch(error){bus.lifecycleDone({...route,refusal:error.code??'outcome-unknown'});throw error;}})());
 const writeSessions=entries=>writeJson(sessionsFile(dataRoot),{sessionsVersion:SESSIONS_VERSION,sessions:entries});
 const ownRun=async({wrongTicks=false,wrongKey=false,publish=true}={})=>{
  const spawnOwn=async()=>{const handle=spawn('/usr/bin/sleep',['60'],{stdio:'ignore'}),closed=new Promise(resolve=>handle.once('close',resolve));const owned={handle,closed};children.push(owned);await once(handle,'spawn');const ticks=startTimeOf(handle.pid);assert.equal(typeof ticks,'string');return {...owned,ticks,exit:async()=>{if(handle.exitCode===null&&handle.signalCode===null)handle.kill('SIGTERM');await bounded(closed,'owned stand-in exit timeout');}};};
@@ -41,7 +41,7 @@ test('Broker keeps the sandbox client import closure: only the listed imports, n
    // Row 236 (#1742, #436b) reads giteaName and parseGiteaUrl for the Gitea grant path.
    // FED R3 r5 (row 274, #414) reads covers, a user's grant check, from it.
    // Row 219 reads THREAD_DEFINITIONS from the same vocabulary for creative thread admission.
-    "import { ID_PATTERN, THREAD_DEFINITIONS, END_PROTECTED, forkProblem, forkUrl, credentialKind, validArgv, commandAllowed, HOST_ID, CREATIVE_DEFINITIONS, unhireableAction, giteaName, parseGiteaUrl, covers, grantScopeOf, grantInScope } from '../../organization/src/vocabulary.mjs';",
+    "import { pluginName, ID_PATTERN, THREAD_DEFINITIONS, END_PROTECTED, forkProblem, forkUrl, credentialKind, validArgv, commandAllowed, HOST_ID, CREATIVE_DEFINITIONS, giteaName, parseGiteaUrl, covers, grantScopeOf, grantInScope } from '../../organization/src/vocabulary.mjs';",
  ]);
  assert.doesNotMatch(source, /\bimport\s*\(/);
  assert.doesNotMatch(readFileSync(new URL('../src/proxy-page-vocabulary.mjs', import.meta.url), 'utf8'), /\bimport\b/);
@@ -1,3 +1,4 @@
+import {approveTemplateHire,ownerConsole} from './hire-fixtures.mjs';
 // Row 194 (#1692, D3, T14): after every write that commits, the broker takes the business as a
 // restart would load it, so a created instance binds with no restart. A definition change on a
 // running instance refuses, and a file whose credential references changed isn't reloaded.
@@ -149,8 +150,6 @@ test('T19 a credentialed create answers restart true; issue works only after a r
 // A, from the file, so the kept instance keeps its claim and isn't left firing.
 test('T14 after a refused reload veto.set, instance.hire and instance.fire answer restart true, and a fire of a name kept since refuses before step A', async (t) => {
  const f = await setup(t);
-  const roleFile = join(f.rolesDir, 'chief-of-staff.json');
-  writeFileSync(roleFile, JSON.stringify({ ...JSON.parse(readFileSync(roleFile, 'utf8')), hireable: ['chief-information-security-officer'] }, null, 2));
  mkdirSync(join(f.root, 'secrets', 'agents'), { recursive: true, mode: 0o700 });
  const chief = bind(f.bus, 'chief');
  f.bus.broker.request(chief, { verb: 'role.claim' });
@@ -162,21 +161,21 @@ test('T14 after a refused reload veto.set, instance.hire and instance.fire answe

  const added = f.ask('instances.set', { revision: f.revision(), instance: 'rev-2', op: 'add', definition: 'reviewer', tracker: { bot: 'bot-demo-rev-2', botId: 40 } });
  assert.equal(added.restart, true);
-  const hired = asChief('instance.hire', { name: 'sec-2', definition: 'chief-information-security-officer', reason: 'a security lead' });
-  assert.equal(hired.restart, true);
+  const hired = await approveTemplateHire(f.bus.broker,f.rolesDir,{name:'sec-2',definition:'chief-information-security-officer'});
+  assert.ok(hired.transaction);
  const kept = f.ask('veto.set', { revision: f.revision(), op: 'keep', name: 'reviewer' });
  assert.equal(kept.restart, true);
  assert.equal(f.reloads.length, 0, 'the running copy still has reviewer unkept');

  const before = readFileSync(f.file, 'utf8');
-  assert.equal(code(() => asChief('instance.fire', { name: 'reviewer', reason: 'the work is done' })), 'instance-kept');
+  await assert.rejects(f.bus.broker.request(ownerConsole(f.bus.broker),{verb:'hire.start.console',args:{op:'fire',level:'org',name:'reviewer',reason:'the work is done'}}),{code:'instance-kept'});
  assert.equal(readFileSync(f.file, 'utf8'), before);
  assert.deepEqual(f.ask('instances').instances.reviewer.running, run, 'step A never ran: the claim is held');
  assert.notEqual(code(() => f.ask('instance.launch', { instance: 'reviewer' })), 'instance-firing');

  const unkept = f.ask('veto.set', { revision: f.revision(), op: 'unkeep', name: 'reviewer' });
  assert.equal(unkept.restart, true);
-  const fired = asChief('instance.fire', { name: 'reviewer', reason: 'the work is done' });
+  const fired = await f.bus.broker.request(ownerConsole(f.bus.broker),{verb:'hire.start.console',args:{op:'fire',level:'org',name:'reviewer',reason:'the work is done'}});
  assert.equal(fired.restart, true);
  assert.equal(JSON.parse(readFileSync(f.file, 'utf8')).launch.instances.includes('reviewer'), false);
 });
@@ -90,7 +90,7 @@ const ask = (x, state, extra = {}) => x.call('pm', 'request.question', { request
  options: [{ key: 'web', text: 'Web' }, { key: 'cli', text: 'CLI' }], ...extra });

 test('the console verb list includes the artifact read and existing owner controls', () => {
-  assert.deepEqual([...CONSOLE_VERBS], ['system-types.console', 'project.remote.get.console', 'project.remote.set.console', 'request.workspace.console', 'request.artifact.console', 'decision.preview.console', 'decision.resolve.console', 'prd.revoke.console', 'request.mode.console', 'request.draft.console',
+  assert.deepEqual([...CONSOLE_VERBS], ['system-types.console', 'project.remote.get.console', 'project.remote.set.console', 'request.workspace.console', 'request.artifact.console', 'decision.preview.console', 'decision.resolve.console', 'hire.preview.console', 'hire.resolve.console', 'hire.start.console', 'hire.templates.console', 'prd.revoke.console', 'request.mode.console', 'request.draft.console',
    'request.get.console', 'request.projects.console', 'request.answer.console', 'request.attach.console', 'request.cancel.console']);
 });

@@ -385,7 +385,7 @@ test('R3 r4: the chief\'s hire refuses an instance named user with the code it g
  caps.chief = b.bindLaunch({ business: 'demo', role: 'chief', run: 'chief-run', harness: 'pi', address: 'chief' });
  b.request(caps.chief, { verb: 'role.claim' });
  const hire = (name) => code('chief', 'instance.hire', { name, definition: 'coder', reason: 'more hands' });
-  for (const name of ['human', 'tester', 'user']) assert.equal(hire(name), 'invalid-request', name);
+  for (const name of ['human', 'tester', 'user']) assert.equal(hire(name), 'decision-required', name);
  // A name that isn't reserved passes the name check and refuses later, for want of role files.
  assert.notEqual(hire('helper'), 'invalid-request');
 });
@@ -0,0 +1,2 @@
+// Old path of packages/organization/src/config-dir-trust.mjs (rename design r2, stage B).
+export * from "../../organization/src/config-dir-trust.mjs";
@@ -0,0 +1,2 @@
+// Old path of packages/organization/src/definition-verbs.mjs (rename design r2, stage B).
+export * from "../../organization/src/definition-verbs.mjs";
@@ -0,0 +1,2 @@
+// Old path of packages/organization/src/definitions.mjs (rename design r2, stage B).
+export * from "../../organization/src/definitions.mjs";
@@ -0,0 +1 @@
+export * from "../../organization/src/hire-decisions.mjs";
@@ -0,0 +1,2 @@
+// Old path of packages/organization/src/system-config-problem.mjs (rename design r2, stage B).
+export * from "../../organization/src/system-config-problem.mjs";
@@ -1304,8 +1304,10 @@ inactive. Project settings changes are append-only and require human proof.
 `mosaic accounts` administers the instance-level accounts store locally, as the
 effective uid owning the config directory. It requires a human shell, rejects `--tester`,
 and takes no business selector or bus connection. It has no organization rights
-verbs. Console sign-in, sessions and membership evaluation are later Phase M
-slices; these commands alone do not turn accounts mode on.
+verbs. Console OIDC sign-in re-reads these accounts on every request. A disabled
+account or changed authentication generation loses account authority immediately;
+a legacy access.json root grant is checked independently. Organization membership
+evaluation follows in later Phase M slices.

 ```sh
 mosaic accounts init --name Operator
@@ -1327,3 +1329,11 @@ organization (including archived organizations) or any registry entry lacks its
 owner metadata during creation, and removes its memberships in
 the same write. List reports rollback rows needing repair; its JSON omits invite
 bindings and hashes. Receipts record effective process uid and verb and omit subjects and secrets.
+
+Managed accounts instances use the system units from `scripts/case2-unit.sh`.
+The selected uid must use a non-login shell, be the only member of its primary
+group, and own its config directory and data root. The shared Case 1/Case 2
+installer writes `<dataRoot>/.deployed` as mode 0444 naming the instance.
+`webui-service.sh` refuses accounts and deployed instances because its user
+manager runs under a human or development seat uid. The receipt uid identifies
+the invoking process; it does not attribute a human or resist tampering by that uid.
@@ -154,11 +154,13 @@ function pidAlive(pid) {
  }
 }

+// Names the lock by label: its path sits beside the access file in the config
+// directory, and a refusal never quotes a host path (PR #1916).
 function lockRefusal(lock) {
  const pid = lockPid(lock);
  if (pid !== null && pidAlive(pid)) return BUSY;
-  if (pid === null) return `refused: lock ${lock} is unreadable or not a pid; if no write is running, remove it by hand and try again`;
-  return `refused: lock ${lock} is left by pid ${pid}, which is not running; if no write is running, remove it by hand and try again`;
+  if (pid === null) return `refused: access file lock is unreadable or not a pid; if no write is running, remove it by hand and try again`;
+  return `refused: access file lock is left by pid ${pid}, which is not running; if no write is running, remove it by hand and try again`;
 }

 function takeLock(lock, fs) {
@@ -37,8 +37,10 @@ function parse(args) {
 function owns(user, owner, providers) {
  return user.subjects.some(s => s.provider === owner.provider && s.sub === owner.sub && providers.find(p => p.id === s.provider)?.issuer === owner.iss);
 }
-function readOwner(root) {
-  const owner = readJsonFile(join(root, 'owner.json'), 'organization owner', st => {
+// The registry checked `id` against the id pattern, so the label may name it; the
+// root is a host path and never reaches a refusal (PR #1916).
+function readOwner(root, id) {
+  const owner = readJsonFile(join(root, 'owner.json'), `organization owner of ${id}`, st => {
    if (st.uid !== process.geteuid() || (st.mode & 0o777) !== 0o600) throw new CliError('refused: unsafe organization owner', 3);
  });
  rejectUnknownKeys(owner, ['provider', 'iss', 'sub'], 'organization owner');
@@ -92,7 +94,7 @@ export async function accountsCommand(args, io, deps) {
        // writing owner.json, so any missing owner must block removal too.
        for (const entry of Object.values((await readRegistryLocked(registry)).orgs)) {
          let owner;
-          try { owner = readOwner(entry.root); }
+          try { owner = readOwner(entry.root, entry.id); }
          catch (e) { if (/not found/.test(e.message)) throw new CliError(`refused: org-create-in-progress: ${entry.id} has no owner metadata`, 3); throw e; }
          if (owns(user, owner, providers)) throw new CliError(`refused: user-owns-org: ${entry.id}`, 3);
        }
@@ -37,9 +37,10 @@ function write(dataRoot, status, event) {
  appendFileSync(bootEventsFile(dataRoot), `${JSON.stringify(event)}\n`, { mode: 0o600 });
 }

-// A start refused: keeps the time of the last good load from the status it replaces.
-export function recordBootRefused(dataRoot, { business, file, reason, at = new Date().toISOString() }) {
-  const prior = readBootStatus(dataRoot);
+// A start refused: keeps the time of the last good load from the status it replaces. `prior` is the
+// status from before this start, for a refusal that comes after the start recorded its load (org-defscan:
+// the broker's held-secret check on the definitions).
+export function recordBootRefused(dataRoot, { business, file, reason, at = new Date().toISOString(), prior = readBootStatus(dataRoot) }) {
  const lastGood = prior?.ok ? prior.at : prior?.lastGood ?? null;
  const text = String(reason).slice(0, REASON_MAX);
  write(dataRoot, { ok: false, at, business, file, reason: text, lastGood }, { event: "bus.boot.refused", at, business, file, reason: text });
@@ -8,6 +8,7 @@
 // host (src/host.mjs) the systemd unit mosaic-bus@<business> runs; with
 // --pm it also launches the business's PM (src/launcher.mjs).

+import { assertBuildStart, assertDevInstance } from './deployment.mjs';
 import { readFileSync } from "node:fs";
 import { basename, join } from "node:path";
 import { createInterface } from "node:readline/promises";
@@ -17,6 +18,7 @@ import { interviewCommand, INTERVIEW_USAGE, northStarCommand, NORTH_STAR_USAGE }
 import { resolveThread, threadCommand, threadMembers, threadsCommand, THREAD_TALK_USAGE, THREAD_USAGE, THREADS_USAGE } from "./thread.mjs";
 import { sessionCommand, SESSION_USAGE } from "./session.mjs";
 import { limitsCommand, LIMITS_USAGE } from "./limits.mjs";
+import { pluginInstallCommand } from "./plugin-install.mjs";
 import { pluginsCommand, PLUGINS_USAGE } from "./plugins.mjs";
 import { proxyCommand } from "./model-proxy.mjs";
 import { credentialsCommand, CREDENTIALS_USAGE } from "./credentials.mjs";
@@ -35,6 +37,7 @@ import { bootConfig, loadSystem, orgPaths, socketPath } from "./config.mjs";
 import { bootLine, readBootStatus, recordBootOk, recordBootRefused } from "./boot-status.mjs";
 import { businessFilePath, configDir } from "../../organization/src/index.mjs";
 import { busExit, humanTransport, refuseInsideAgent, testerTransport } from "./transport.mjs";
+import { definitionsCommand } from "./org-definitions.mjs";
 import { formatAgents, formatDecision, formatInbox, formatTasks, formatTrail, shortId } from "./format.mjs";
 import { hostStatus, readHostState, startHost, stopHost } from "./host.mjs";
 import { createLauncher } from "./launcher.mjs";
@@ -219,7 +222,7 @@ function callFor(parsed, io, deps) {
 // Only the converted project/thread surface uses a channel. Management stays on callFor.
 function channelCallFor(parsed, io, deps) {
  const call = callFor(parsed, io, deps);
-  const channel = createChannelCaller({ name: "cli", call,
+  const channel = createChannelCaller({ name: "cli", call, dataRoot:(deps.system ?? loadSystem({env:io.env})).dataRoot,
    log: entry => io.stderr.write(`mosaic: channel module refused (${entry.code})\n`),
  });
  return Object.assign(async (verb, args = {}) => {
@@ -516,7 +519,8 @@ async function processingCommand(verb, rest, io, deps) {
    if (!result || typeof result !== 'object' || (typeof result.halted !== 'boolean' && !result.invalid))
      throw new CliError('processing outcome unknown; use mosaic processing status before trying again', 1);
    if (verb === 'halt' && result.quiescent !== true)
-      throw new CliError(`halt gate is on for instance ${system.dataRoot}; ${result.remaining ?? 'unknown'} stops unconfirmed. Use mosaic processing status`, 1);
+      // #1873: the refusal names the instance, never its data root; a count that is not a count is unknown.
+      throw new CliError(`halt gate is on for this instance; ${Number.isSafeInteger(result.remaining) && result.remaining >= 0 ? result.remaining : 'unknown'} stops unconfirmed. Use mosaic processing status`, 1);
    if (parsed.flags.has('--json')) { io.stdout.write(JSON.stringify(result, null, 2) + '\n'); return; }
    const status = verb === 'resume' ? 'resumed' : result.halted ? 'halted' : result.invalid ? 'uninitialized' : 'running';
    io.stdout.write(`processing ${status} for instance ${system.dataRoot}\n`);
@@ -614,8 +618,10 @@ async function bus(rest, io, deps) {
    const parsed = parse(args, { flags: ["--pm", "--no-launch", "--dev-local-owner", "--detach", "--internal-host"] });
    if (parsed.positional.length !== 1) throw usage("bus start takes one organization");
    if (parsed.flags.has("--no-launch") && parsed.flags.has("--pm")) throw usage("bus start takes --pm or --no-launch, not both");
+    assertBuildStart({ devOwner: parsed.flags.has("--dev-local-owner") });
    if (parsed.flags.has("--dev-local-owner")) devOwnerInstance(io.env);
    const ctx = organizationContext(io, deps);
+    if (parsed.flags.has("--dev-local-owner")) assertDevInstance(ctx.system, io.env);
    const businessId = parsed.positional[0];
    if (!parsed.flags.has("--internal-host")) {
      const receipt = await busStart(ctx, businessId, { detach: parsed.flags.has("--detach"), devLocalOwner: parsed.flags.has("--dev-local-owner"), pm: parsed.flags.has("--pm"), noLaunch: parsed.flags.has("--no-launch") });
@@ -646,9 +652,14 @@ async function bus(rest, io, deps) {
        throw e;
      }
      if (instance) boot.consoleOwners = [...(boot.consoleOwners ?? []), DEV_OWNER];
+      const priorBoot = readBootStatus(org.root);
      try { recordBootOk(org.root, { business: businessId, file }); } catch { /* status is advisory */ }
      const binding = readNotifyConfig(org.root, businessId);
-      const host = await startHost({ boot, business: businessId, notifier: binding ? { binding } : null, refuseStale: true, options: { devLocalOwner: Boolean(instance), pm: parsed.flags.has("--pm"), noLaunch: !launches } });
+      const host = await startHost({ boot, business: businessId, notifier: binding ? { binding } : null, refuseStale: true, options: { devLocalOwner: Boolean(instance), pm: parsed.flags.has("--pm"), noLaunch: !launches } }).catch((e) => {
+        // org-defscan: the broker refused a definition that holds a credential it holds; the load was not good after all.
+        if (e.code === "definition-holds-credential") try { recordBootRefused(org.root, { business: businessId, file, reason: e.message, prior: priorBoot }); } catch { /* the refusal still throws */ }
+        throw e;
+      });
      try {
        // A dev fixture serves only the organizations that use it; their launches carry no provider credential.
        const orgDoc = instance ? JSON.parse(readFileSync(file, "utf8")) : undefined;
@@ -733,6 +744,8 @@ export async function main(argv, io = { env: process.env, stdin: process.stdin,
  // builds; `org validate FILE` stays orgCommand's draft check.
  if (verb === 'org' && rest[0] === 'config') return orgConfig(rest.slice(1), io);
  if (verb === 'org' && ["instances", "instance", "veto"].includes(rest[0])) return orgInstancesCommand(rest, io, (p) => callFor(p, io, deps));
+  // #1873 T1: definition writes go through the organization's bus, as the human.
+  if (verb === 'org' && rest[0] === 'definitions') return definitionsCommand(rest.slice(1), io, { ...deps, callFor: (p) => callFor(p, io, deps) });
  if (verb === 'org') return orgCommand(rest, io, deps);
  // A2 (#1873): the owner's root and project agent levels. `mosaic agents` without `root` stays the bus read.
  if (verb === "agents" && rest[0] === "root") return agentsRootCommand(rest.slice(1), io);
@@ -756,6 +769,10 @@ export async function main(argv, io = { env: process.env, stdin: process.stdin,
  if (verb === 'accounts') return accountsCommand(rest, io, { system: deps.system ?? loadSystem({ env: io.env }), configDir: deps.accountsConfigDir });
  if (verb === "limits") return limitsCommand(rest,io,p=>callFor(p,io,deps));
  if (verb === "usage") return usageCommand(rest, io, p => callFor(p, io, deps));
+  if (verb === "plugins" && ["install","list","remove"].includes(rest[0])) {
+    refuseInsideAgent(io.env);
+    return pluginInstallCommand(rest,io,{system:deps.system ?? loadSystem({env:io.env}),dir:deps.accountsConfigDir});
+  }
  if (verb === "plugins") return pluginsCommand(rest, io, (p) => callFor(p, io, deps));
  // Row 199 (#1697): issue and rotate read the token on stdin.
  if (verb === "proxy") return proxyCommand(rest, io, { system: () => deps.system ?? loadSystem({ env: io.env }), callFor: p => callFor(p, io, deps), prompt: deps.promptProxyKey });
@@ -13,6 +13,7 @@ import { BusinessError, accessFilePath, configDir, loadAccess, loadBusiness, loa
 import { loadRootAgents } from "../../organization/src/agent-levels.mjs";
 import { materializeCopies, withCopies } from "../../organization/src/agent-copies.mjs";
 import { organizationWriter } from "../../organization/src/organization.mjs";
+import { systemConfigProblem } from "../../organization/src/system-config-problem.mjs";
 import { businessFilePath } from "../../organization/src/organization-config.mjs";
 import { busOrganization } from "../../bus/src/organization-context.mjs";
 import { BusError } from "../../bus/src/broker.mjs";
@@ -41,13 +42,40 @@ export function orgPaths(root) {
    threads: join(root, "threads"), hostDir };
 }

+// #1873: mosaic-config's stderr can quote the config's path, the data root or a config value, so
+// it is never relayed. An instance refusal keeps its code and the instance names, which passed
+// the instance pattern; a missing config keeps its bootstrap hint; anything else reads as
+// `mosaic org config` reads it: a known field and its constraint, the config named by label.
+const INSTANCE = "[a-z][a-z0-9]{1,15}";
+function instanceProblem(problem, label) {
+  const body = problem.replace(/^mosaic-config: /, "");
+  let m = new RegExp(`^instance-root-mismatch: .+ is claimed by instance (${INSTANCE})(?:, not (${INSTANCE})|; select it with --instance \\1)$`).exec(body);
+  if (m) return `instance-root-mismatch: the data root is claimed by instance ${m[1]}${m[2] ? `, not ${m[2]}` : `; select it with --instance ${m[1]}`}`;
+  m = new RegExp(`^instance-root-unclaimed: .+ holds no instance\\.json naming (${INSTANCE}) \\(scripts/bootstrap\\.sh --instance \\1 claims a new root\\)$`).exec(body);
+  if (m) return `instance-root-unclaimed: the data root holds no instance.json naming ${m[1]} (scripts/bootstrap.sh --instance ${m[1]} claims a new root)`;
+  if (body.startsWith("instance-root-unclaimed: ")) return "instance-root-unclaimed: the data root's instance.json is not a readable, valid marker";
+  m = new RegExp(`^instance-config-mismatch: --instance (${INSTANCE}) names `).exec(body);
+  if (m) return `instance-config-mismatch: --instance ${m[1]} names its own config, but MOSAIC_CONFIG names another`;
+  if (body.startsWith("instance-config-mismatch: ")) return "instance-config-mismatch: --instance names its own config, but MOSAIC_CONFIG names another";
+  if (body.startsWith("instance-name-invalid: ")) return `instance-name-invalid: an instance name must match /^${INSTANCE}$/`;
+  if (body.startsWith("configuration not found: ")) {
+    m = new RegExp(`\\(run (scripts/bootstrap\\.sh(?: --instance ${INSTANCE})?) to create it\\)$`).exec(body);
+    return `configuration not found: ${label}${m ? ` (run ${m[1]} to create it)` : ""}`;
+  }
+  return null;
+}
+
 export function loadSystem({ env = process.env, instance = null } = {}) {
  const proc = spawnSync(process.execPath, [join(REPO, "scripts", "mosaic-config.mjs"), "validate", ...(instance === null ? [] : ["--instance", instance])], {
    encoding: "utf8",
    maxBuffer: 1024 * 1024,
    env,
  });
-  if (proc.status !== 0) throw new CliError(`system config problem (mosaic-config exit ${proc.status}): ${proc.stderr.trim()}`, 3);
+  if (proc.status !== 0) {
+    const label = instance !== null && instance !== "dev" ? `the config of instance ${instance}` : env.MOSAIC_CONFIG ? "the system config MOSAIC_CONFIG names" : "the default system config";
+    const known = instanceProblem(String(proc.stderr ?? "").trim(), label);
+    throw new CliError(known ? `system config problem (mosaic-config exit ${proc.status}): ${known}` : systemConfigProblem(proc, env, label), 3);
+  }
  try {
    return JSON.parse(proc.stdout);
  } catch {
@@ -90,7 +118,7 @@ function trackerFor(system, b, warn, dataRoot) {
    if (dataRoot && managedState({ dataRoot, business: b.id, project: id, entry }) === 'reserved') continue;
    if (!existsSync(projectFilePath(entry.root))) continue;
    const project = loadProject(entry.root);
-    if (project.id !== id) throw new CliError(`project file ${project.file} has id that does not match the declared project key`, 3);
+    if (project.id !== id) throw new CliError(`project file of project ${id} has id that does not match the declared project key`, 3);
    const vars = resolveInstance({ system, business: b, project, instance: first }).vars;
    if (vars["tracker.project"] !== undefined) named.push({ id, vars });
  }
@@ -127,17 +155,20 @@ function accessFor(system, env, warn) {
  try {
    context = accessContextFor(system, env);
  } catch (e) {
-    warn(`access.json is present but its context can't be read, so no granted user binds: ${e.message}`);
+    // #1873: the error's message can quote a path; only a plain code is relayed.
+    const code = typeof e?.code === "string" && /^[A-Za-z][A-Za-z0-9_-]{0,63}$/.test(e.code) ? ` (${e.code})` : "";
+    warn(`access.json is present but its context can't be read, so no granted user binds${code}`);
    return null;
  }
  // sage-3153: one line at boot when the loader refuses the file, so the owner sees why no user
-  // binds. The loader's messages can quote the file, so the line names only the path and a code
-  // from its exit code: 4 is a file it could not open as a regular file, anything else invalid.
+  // binds. The loader's messages can quote the file, so the line names only the file, by label, and
+  // a code from its exit code: 4 is a file it could not open as a regular file, anything else
+  // invalid. #1873: no host path.
  try {
    loadAccess(file, context);
  } catch (e) {
    const code = e instanceof BusinessError && e.exitCode !== 4 ? "access-invalid" : "access-unreadable";
-    warn(`access file refused at boot (${code}), no granted user binds until it is fixed: ${file}`);
+    warn(`access file refused at boot (${code}), no granted user binds until it is fixed: access.json in the config directory`);
  }
  return { file, context };
 }
@@ -153,10 +184,10 @@ export const consoleOwners = (sso) =>
 // snapshot is plain data that the broker and the launcher re-apply to every later read of the
 // organization file, so a root file change takes effect at the next boot only. A root file that
 // refuses hides the root level (design section 6): no root copy, and the organization still boots.
-export function copiesAtBoot({ businessId, env = process.env, warn = () => {} }) {
+export function copiesAtBoot({ businessId, env = process.env, warn = () => {}, dataRoot = null }) {
  const dir = configDir(env), roles = rolesDir(env);
-  loadBusiness(businessId, { dir, rolesDir: roles });
-  const { document } = organizationWriter({ dir, rolesDir: roles }).read(businessId);
+  loadBusiness(businessId, { dir, rolesDir: roles, dataRoot });
+  const { document } = organizationWriter({ dir, rolesDir: roles, dataRoot }).read(businessId);
  let root = null;
  try { root = loadRootAgents(dir, { rolesDir: roles }); }
  catch (error) {
@@ -164,13 +195,13 @@ export function copiesAtBoot({ businessId, env = process.env, warn = () => {} })
    warn(`root agent file refused, so ${businessId} runs no root copies until it is fixed and the bus restarts: ${error.message}`);
  }
  const snapshot = materializeCopies({ orgId: businessId, doc: document, root, rolesDir: roles });
-  return { snapshot, business: withCopies(document, businessFilePath(businessId, dir), { rolesDir: roles, snapshot }) };
+  return { snapshot, business: withCopies(document, businessFilePath(businessId, dir), { rolesDir: roles, snapshot, dataRoot }) };
 }

 export function bootConfig({ system, businessId, orgRoot = system.dataRoot, env = process.env, warn = () => {} }) {
  return business(() => {
    const vars = systemVars(system);
-    const { snapshot, business: b } = copiesAtBoot({ businessId, env, warn });
+    const { snapshot, business: b } = copiesAtBoot({ businessId, env, warn, dataRoot:system.dataRoot });
    const resolved = {};
    for (const instance of Object.keys(b.roles)) resolved[instance] = resolveInstance({ system: vars, business: b, instance });
    const config = {
@@ -0,0 +1,60 @@
+// M3: executable and instance boundaries. Presence is checked with lstat, so
+// broken links and unreadable metadata never turn a deployed path into dev.
+import { constants, lstatSync, openSync, fstatSync, readFileSync, closeSync, writeFileSync, fchmodSync, mkdirSync } from 'node:fs';
+import { basename, dirname, join, resolve } from 'node:path';
+import { homedir } from 'node:os';
+const configDir = (env = process.env) => dirname(resolve(env.MOSAIC_CONFIG || join(homedir(), '.config/mosaic-dev/config.json')));
+
+const CODE_ROOT = resolve(import.meta.dirname, '../../..');
+export function present(file) {
+  try { lstatSync(file); return true; } catch (e) { if (e.code === 'ENOENT') return false; throw e; }
+}
+function metadata(file, label, check) {
+  let fd;
+  try {
+    fd = openSync(file, constants.O_RDONLY | constants.O_NOFOLLOW | constants.O_NONBLOCK);
+    const st = fstatSync(fd);
+    if (!st.isFile() || st.size > 4096 || !check(st)) throw new Error('metadata refused');
+    return JSON.parse(readFileSync(fd, 'utf8'));
+  } catch { throw new Error(`${label} is missing or invalid`); }
+  finally { if (fd !== undefined) closeSync(fd); }
+}
+export function buildStamp(root = CODE_ROOT) {
+  const file = join(root, '.stack-build.json');
+  if (!present(file)) return null;
+  const doc = metadata(file, 'build stamp', st => !(st.mode & 0o222));
+  if (!doc || Object.keys(doc).length !== 1 || !/^[0-9a-f]{40}$/.test(doc.commit) || doc.commit !== basename(root)) throw new Error('build stamp does not name this copy commit');
+  return doc;
+}
+export function assertBuildStart({ serve = false, sso = false, devOwner = false, devBind = null, devNames = [] } = {}) {
+  const stamp = buildStamp();
+  if (stamp && (devOwner || devBind !== null || devNames.length)) throw new Error('stamped build refuses dev-local-owner and LAN flags');
+  if (stamp && serve && !sso) throw new Error('stamped build serve requires --sso');
+  return stamp;
+}
+export function assertDevInstance(system, env = process.env) {
+  if (present(join(configDir(env), 'accounts.json'))) throw new Error('--dev-local-owner refuses accounts.json');
+  if (system.console?.sso) throw new Error('--dev-local-owner refuses console.sso');
+  if (present(join(system.dataRoot, '.deployed'))) throw new Error('--dev-local-owner refuses .deployed');
+}
+const instanceName = dir => /^mosaic-([a-z][a-z0-9]{1,15})$/.exec(basename(dir))?.[1] ?? 'dev';
+export function assertDeployed(system, dir = configDir()) {
+  const doc = metadata(join(system.dataRoot, '.deployed'), '.deployed', st => (st.mode & 0o777) === 0o444 && st.uid === process.geteuid());
+  if (!doc || Object.keys(doc).length !== 1 || doc.instance !== instanceName(dir)) throw new Error('.deployed does not name this instance');
+}
+// Both managed host cases install through case2-install.sh. Existing metadata
+// must validate; an install never replaces it or follows a destination link.
+export function writeDeployment(system, dir = configDir()) {
+  // Default-instance bootstrap creates the config before its data directory.
+  mkdirSync(system.dataRoot, { recursive: true, mode: 0o700 });
+  const root = lstatSync(system.dataRoot);
+  if (!root.isDirectory() || root.uid !== process.geteuid() || (root.mode & 0o022)) throw new Error('.deployed data root must be an owned directory without public write');
+  const file = join(system.dataRoot, '.deployed');
+  if (present(file)) {
+    const doc = metadata(file, '.deployed', st => (st.mode & 0o777) === 0o444 && st.uid === process.geteuid());
+    if (!doc || Object.keys(doc).length !== 1 || doc.instance !== instanceName(dir)) throw new Error('.deployed does not name this instance');
+    return;
+  }
+  const fd = openSync(file, constants.O_WRONLY | constants.O_CREAT | constants.O_EXCL | constants.O_NOFOLLOW, 0o444);
+  try { writeFileSync(fd, JSON.stringify({ instance: instanceName(dir) }) + '\n'); fchmodSync(fd, 0o444); } finally { closeSync(fd); }
+}
@@ -46,7 +46,7 @@ function noCredentials(env) {
 function ownedPrivate(path, directory) {
  const st = lstatSync(path);
  if (st.isSymbolicLink() || (directory ? !st.isDirectory() : !st.isFile()) || st.uid !== process.getuid() || (st.mode & 0o077))
-    throw refuse('fixture-state-unsafe', `${path} is not a private ${directory ? 'directory' : 'file'} of this user`);
+    throw refuse('fixture-state-unsafe', `${directory ? 'dev-fixture directory' : 'fixture file'} is not a private ${directory ? 'directory' : 'file'} of this user`);
 }

 // The recorded fixture, or null when there is none. Anything malformed refuses.
@@ -56,19 +56,19 @@ export function readFixture(dataRoot) {
  catch (e) { if (e.code === 'ENOENT') return null; throw e; }
  let fd;
  try { fd = openSync(file, constants.O_RDONLY | constants.O_NOFOLLOW); }
-  catch (e) { if (e.code === 'ENOENT') return null; throw refuse('fixture-state-unsafe', `${file} can't be opened (${e.code})`); }
+  catch (e) { if (e.code === 'ENOENT') return null; throw refuse('fixture-state-unsafe', `fixture.json can't be opened (${e.code})`); }
  let doc;
  try {
    const st = fstatSync(fd);
-    if (!st.isFile() || st.uid !== process.getuid() || (st.mode & 0o777) !== 0o600) throw refuse('fixture-state-unsafe', `${file} is not a private file of this user`);
+    if (!st.isFile() || st.uid !== process.getuid() || (st.mode & 0o777) !== 0o600) throw refuse('fixture-state-unsafe', 'fixture.json is not a private file of this user');
    doc = JSON.parse(readFileSync(fd, 'utf8'));
-  } catch (e) { if (e instanceof CliError) throw e; throw refuse('fixture-state-invalid', `${file} is not JSON`); }
+  } catch (e) { if (e instanceof CliError) throw e; throw refuse('fixture-state-invalid', 'fixture.json is not JSON'); }
  finally { closeSync(fd); }
  const m = LOOPBACK.exec(doc?.endpoint ?? '');
-  if (!m) throw refuse('fixture-endpoint-not-loopback', `${file} names an endpoint that is not http://127.0.0.1:<port>`);
+  if (!m) throw refuse('fixture-endpoint-not-loopback', 'fixture.json names an endpoint that is not http://127.0.0.1:<port>');
  if (doc.fixtureVersion !== 1 || doc.model !== 'deterministic' || Number(m[1]) !== doc.port || !Number.isSafeInteger(doc.pid) || doc.pid < 2
    || typeof doc.instance !== 'string' || JSON.stringify(doc.entry) !== JSON.stringify(FIXTURE_ENTRY))
-    throw refuse('fixture-state-invalid', `${file} is not a fixture record`);
+    throw refuse('fixture-state-invalid', 'fixture.json is not a fixture record');
  return doc;
 }

@@ -79,12 +79,13 @@ import { spawn } from "node:child_process";
 import { randomBytes } from "node:crypto";
 import { closeSync, createReadStream, existsSync, lstatSync, mkdirSync, openSync, rmSync, statSync, symlinkSync, writeSync, chmodSync } from "node:fs";
 import { createServer } from "node:net";
-import { join } from "node:path";
+import { basename, join } from "node:path";
 import { GIT_GRACE_MS, GIT_TIMEOUT_MS } from "../../seat/src/checkout.mjs";
 import { gitSocketPath } from "../../seat/src/session.mjs";
 import { gateEnv, isMosaicStack, rootHits, runGate } from "../../seat/src/landing.mjs";
 import { BUNDLE_MAX, dropLand, finishLand, FSCK, HAVE_MAX, prepareLand, publish, push, review, validBranch, workRef, WorkingError } from "../../seat/src/working.mjs";
 import { CliError } from "./errors.mjs";
+import { ID_PATTERN } from "../../organization/src/vocabulary.mjs";
 import { withProcessing } from '../../processing-control/src/effects.mjs';

 const HEADER_MAX = 4096;
@@ -385,7 +386,7 @@ export function createGitSocket({ host, business: b, dataRoot, env = process.env
      if (!p) throw new Refusal("unknown-project");
      mkdirSync(logs, { recursive: true, mode: 0o700 });
      prepared = await prepareLand({ ...where, root: p.root, taskRef: task_ref, commit: facts.commit, dir: logs, name: id, rootHits, message: (m) => landMessage(facts, m) });
-      if (!(await gate.classify(p.root, env))) throw new Refusal("gate-missing", `${p.root} isn't a mosaic-stack checkout with node_modules`);
+      if (!(await gate.classify(p.root, env))) throw new Refusal("gate-missing", `project ${facts.project} isn't a mosaic-stack checkout with node_modules`);
      symlinkSync(join(p.root, "node_modules"), join(prepared.worktree, "node_modules"));
    } catch (e) {
      if (prepared) await dropLand({ ...where, worktree: prepared.worktree }).catch((x) => log(`git socket: ${id}: ${x.message}`));
@@ -398,7 +399,9 @@ export function createGitSocket({ host, business: b, dataRoot, env = process.env
        const r = await gate.run({ worktree: prepared.worktree, logs, env: gateEnv(env), signal: AbortSignal.any([slot.abort.signal, scope.signal]) });
        scope.guard();
        if (r.aborted || slot.abort.signal.aborted) throw new Refusal("host-closing", "the host closed during the gate; nothing moved");
-        if (!r.ok) throw new Refusal("gate-failed", `${r.step} failed, see ${r.log}`);
+        // The detail reaches the role, so the log is named inside the bus host directory, never by
+        // host path (PR #1916); its file name only when it passes the id pattern.
+        if (!r.ok) throw new Refusal("gate-failed", `${r.step} failed, see land/${id}${ID_PATTERN.test(basename(r.log ?? "")) ? `/${basename(r.log)}` : ""} in the bus host directory`);
        await finishLand({ ...where, land: prepared, record: (m) => op({ op: "recordLand", ticket, land: { ...m, reviewed, base, patch_id } }) });
      } finally {
        await dropLand({ ...where, worktree: prepared.worktree }).catch((x) => log(`git socket: ${id}: ${x.message}`));
@@ -503,7 +506,7 @@ export function createGitSocket({ host, business: b, dataRoot, env = process.env

  async function listen() {
    if (existsSync(path)) {
-      if (!lstatSync(path).isSocket()) throw new CliError(`${path} exists and isn't a socket`, 3);
+      if (!lstatSync(path).isSocket()) throw new CliError("git socket path exists and isn't a socket", 3);
      rmSync(path);
    }
    server = createServer((socket) => {
@@ -54,10 +54,10 @@ function readState(file, found = () => {}) {
    state = JSON.parse(readFileSync(file, "utf8"));
  } catch (e) {
    if (e.code === "ENOENT") return null;
-    throw new CliError(`bus host state is unreadable: ${file}`, 3);
+    throw new CliError("bus host state is unreadable", 3);
  }
  if (!state || !Number.isSafeInteger(state.pid) || typeof state.startTime !== "string" || typeof state.business !== "string") {
-    throw new CliError(`bus host state is malformed: ${file}`, 3);
+    throw new CliError("bus host state is malformed", 3);
  }
  return { ...state, live: startTimeOf(state.pid) === state.startTime };
 }
@@ -94,7 +94,7 @@ export function claimHostLock(dataRoot, state, { found = () => {}, between = ()
      const prior = readState(file, found);
      if (!prior) continue;
      if (prior.live) throw new CliError(`a bus host already runs for ${prior.business} (pid ${prior.pid})`, 3);
-      if (refuseStale) throw new CliError(`stale bus host lock: ${file}`, 3);
+      if (refuseStale) throw new CliError("stale bus host lock", 3);
      between();
      try {
        renameSync(file, aside);
@@ -111,7 +111,7 @@ export function claimHostLock(dataRoot, state, { found = () => {}, between = ()
      }
      rmSync(aside, { force: true });
    }
-    throw new CliError(`${file} kept changing; no bus host started`, 3);
+    throw new CliError("bus host lock kept changing; no bus host started", 3);
  } finally {
    rmSync(tmp, { force: true });
  }
@@ -228,7 +228,10 @@ export async function startHost({ boot, business, notifier = null, options = nul
  if (ready?.ok !== true) {
    await ended(broker, 5000);
    release();
-    throw new CliError(`broker refused to start: ${typeof ready?.error === "string" ? ready.error : "startup-refused"}`, 3);
+    const code = typeof ready?.error === "string" ? ready.error : "startup-refused";
+    // org-defscan: the broker's reason names the definition and key that hold a credential, never the text.
+    const why = code === "definition-holds-credential" && typeof ready?.reason === "string" ? `: ${ready.reason.slice(0, 300)}` : "";
+    throw Object.assign(new CliError(`broker refused to start: ${code}${why}`, 3), code === "definition-holds-credential" ? { code } : {});
  }

  // Every step from here to host.json shares one failure path: it stops the
@@ -120,7 +120,9 @@ function setArgs(parsed) {
    try {
      args.vars = JSON.parse(readFileSync(values["--vars"], "utf8"));
    } catch (error) {
-      throw new CliError(`--vars ${values["--vars"]}: ${error.message}`, 4);
+      // Name the flag and the error kind, never the file's path or bytes (PR #1916).
+      const code = typeof error?.code === "string" && /^E[A-Z0-9]+$/.test(error.code) ? error.code : "unreadable";
+      throw new CliError(`--vars file: ${error instanceof SyntaxError ? "not valid JSON" : code}`, 4);
    }
  }
  if (launch !== undefined) args.launch = launch;
@@ -145,6 +145,7 @@ import { chmodSync, existsSync, lstatSync, mkdirSync, readFileSync, renameSync,
 import { dirname, join, relative } from "node:path";
 import { configDir, resolveInstance, systemVars } from "../../organization/src/index.mjs";
 import { organizationWriter } from "../../organization/src/organization.mjs";
+import { quietMessage } from "../../organization/src/org-registry.mjs";
 import { businessFilePath } from "../../organization/src/organization-config.mjs";
 import { copyOf, copyRefusal, loadWithCopies, projectRefusal, withCopies } from "../../organization/src/agent-copies.mjs";
 import { selectModelProvider } from "../../plugins/src/model-provider-selection.mjs";
@@ -201,13 +202,24 @@ class Refusal extends Error {
  }
 }

+// #1873: a refusal's reason never quotes a host path. A Node system error's message names one,
+// so it reads as the call and its code (org-registry quietMessage). Any other message is the
+// host's own text or text relayed from a module (a preflight, the loader, a bundle or checkout
+// error); relay() replaces every absolute or home path and file: URL in it with "a host path".
+const HOST_PATH = /(^|[\s'"(=:,[<])(?:~?\/(?!\/)|file:)[^\s'"),\]>;]*/gi;
+export const relay = (text) => String(text).replace(HOST_PATH, (_, before) => `${before}a host path`);
+const reason = (e) => quietMessage(e, "a host file") ?? relay(e?.message ?? e);
+const relayed = (failed) => failed && (typeof failed.message === "string" ? { ...failed, message: relay(failed.message) } : failed);
+
 // A harness module runs with the host's authority, and anything it throws refuses the launch
-// and names the module rather than escaping the host.
+// and names the module rather than escaping the host. What it threw is named by its system code
+// or its class, never its message, which the host didn't write (#1873).
 function call(name, what, fn) {
  try {
    return fn();
  } catch (e) {
-    throw new Refusal("harness-failed", `harness ${name} ${what}: ${e.message}`);
+    const thrown = quietMessage(e, "a host file") ?? `threw ${/^[A-Za-z][A-Za-z0-9]{0,39}$/.test(String(e?.name)) ? e.name : "a value"} without a system code`;
+    throw new Refusal("harness-failed", `harness ${name} ${what}: ${thrown}`);
  }
 }

@@ -261,7 +273,7 @@ export function createLauncher({
  }
  // Row 64 (#1557): where a role's skills are read from; scripts/skill.sh activate fills it.
  const skillsDir = join(system.instanceRoot ?? dataRoot, "skills-enabled");
-  const loadOrg = () => loadWithCopies(host.business, { dir: configDir(env), rolesDir: rolesDir(env), snapshot: copies?.org === host.business ? copies : null });
+  const loadOrg = () => loadWithCopies(host.business, { dir: configDir(env), rolesDir: rolesDir(env), dataRoot:system.instanceRoot ?? dataRoot, snapshot: copies?.org === host.business ? copies : null });
  let b = loadOrg();
  const vars = systemVars(system);

@@ -272,7 +284,8 @@ export function createLauncher({
  try {
    leftover = readSessions(dataRoot).filter((s) => s.business === b.id);
  } catch (e) {
-    throw new CliError(`${e.message}; check which sessions still run, then move the file aside`, 3);
+    // readSessions names the file by its place under the data root (#1873); anything else is unreadable.
+    throw new CliError(`${e?.name === "SeatError" ? e.message : "sessions file is unreadable"}; check which sessions still run, then move the file aside`, 3);
  }
  const registry = new Registry(dataRoot, { readOnly: !launches });
  // Row 269: earlier-host runs still live after recover(). check() sees each while it lives.
@@ -358,9 +371,9 @@ export function createLauncher({
    const admissionGeneration = admission().generation;
    let businessRevision;
    try {
-      const snapshot = organizationWriter({dir:configDir(env),rolesDir:rolesDir(env)}).read(host.business);
+      const snapshot = organizationWriter({dir:configDir(env),rolesDir:rolesDir(env),dataRoot:system.instanceRoot ?? dataRoot}).read(host.business);
      businessRevision = snapshot.revision;
-      b = withCopies(snapshot.document, businessFilePath(host.business, configDir(env)), {rolesDir:rolesDir(env), snapshot: copies?.org === host.business ? copies : null});
+      b = withCopies(snapshot.document, businessFilePath(host.business, configDir(env)), {rolesDir:rolesDir(env), dataRoot:system.instanceRoot ?? dataRoot, snapshot: copies?.org === host.business ? copies : null});
    } catch(e){throw new Refusal("organization-refused",e.message);}
    if (!b.launch) throw new Refusal("launch-not-configured", `business ${b.id} has no launch block`);
    // #1873 A3: an unbound or refused copy never launches. The message names the copy, its project
@@ -380,18 +393,20 @@ export function createLauncher({
    // workspace and the thread's store, so no session of the instance starts while one lives.
    if (threaded && [...registry.sessions, ...leftover, ...survivors.filter(liveRun)].some((s) => s.business === b.id && s.instance === instance && !s.session))
      throw new Refusal("legacy-run-live", `a run of ${instance} with no session is still live`);
-    let resolved;
+    let resolved, definitionEntry;
    try {
-      resolved = resolveInstance({ system: vars, business: b, instance });
+      resolved = resolveInstance({ system: vars, business: b, instance, enforcePlugins:true, pluginRoot:system.instanceRoot ?? dataRoot });
+      // org-defscan (#1873): the entry the contract came from, taken before any await lets another check replace b.
+      definitionEntry = String(resolved.definition).startsWith("org:") ? b.definitions?.[resolved.definition] : undefined;
    } catch (e) {
-      throw new Refusal("unsupported-harness", e.message);
+      throw new Refusal(e.code === "plugin-disabled" ? "plugin-disabled" : "unsupported-harness", e.code === "plugin-disabled" ? e.plugin : relay(e.message));
    }
    // Resolve the business's current provider modules with a fresh loader; a refused
    // load never inherits a previous business's authority.
    const providerNames = b.plugins?.['model-provider'] ?? [];
    const providerModules = new Map();
    if (providerNames.length) {
-      const loader = makeLoader({ log: entry => record({ ...entry, instance }) });
+      const loader = makeLoader({ dataRoot:system.instanceRoot ?? dataRoot, log: entry => record({ ...entry, instance }) });
      const loaded = await loader.load({ 'model-provider': providerNames });
      if (loaded.refused.length) throw new Refusal('model-provider-unavailable', 'model provider module refused');
      for (const { name, module } of loader.snapshot('model-provider')) providerModules.set(name, module);
@@ -407,17 +422,23 @@ export function createLauncher({
        return sessionModel(resolved, b.launch.models, which, { proxy: Boolean(system.proxy || proxyContext), resolver });
      } catch (e) {
        const code = e instanceof BundleError && (e.code === "no-route" || e.code.startsWith("proxy-") || e.code.startsWith("model-")) ? e.code : "unsupported-harness";
-        throw new Refusal(code, e.message);
+        throw new Refusal(code, relay(e.message));
      }
    };
    const primary = routeOf("primary");
    const fallback = hasFallback(resolved) ? routeOf("fallback") : null;
-    if (!resolved.contract) throw new Refusal("no-role-contract", `role ${resolved.definition} has no contract file`);
+    if (!resolved.contract && typeof resolved.instructions !== "string") throw new Refusal("no-role-contract", `role ${resolved.definition} has no contract file`);
+    // org-defscan (#1873): an org: definition, as this check just read it, passes the bus's held-secret check before a contract exists.
+    if (String(resolved.definition).startsWith("org:")) {
+      const { held } = (await host.op({ op: "definitionScan", business: b.id, definition: resolved.definition, entry: definitionEntry })) ?? {};
+      if (typeof held === "string") throw new Refusal("definition-holds-credential", `${instance}'s definition ${resolved.definition} holds a credential in ${held}`);
+      if (held !== null) throw new Refusal("organization-refused", `the bus did not check ${instance}'s definition ${resolved.definition}`);
+    }
    // Row 64 (#1557): every skill on the role's list is enabled and readable before a run exists.
    try {
      readSkills(resolved.skills, skillsDir);
    } catch (e) {
-      if (e instanceof BundleError) throw new Refusal(e.code === "skill-not-enabled" ? "skill-not-enabled" : "skill-refused", e.message);
+      if (e instanceof BundleError) throw new Refusal(e.code === "skill-not-enabled" ? "skill-not-enabled" : "skill-refused", relay(e.message));
      throw e;
    }
    // Both of a launch's harnesses must be switched on, whichever it takes.
@@ -427,9 +448,11 @@ export function createLauncher({
    }
    // One harness through a fresh loader, so a refusal never leaves an earlier load's module in use.
    const harnessOf = async (m) => {
-      const loader = makeLoader({ log: (entry) => record({ ...entry, instance }) });
+      const loader = makeLoader({ dataRoot:system.instanceRoot ?? dataRoot, log: (entry) => record({ ...entry, instance }) });
      const { refused } = await loader.load({ harness: [m.harness] });
-      if (refused.length) throw new Refusal("harness-refused", `harness ${m.harness}: ${refused.map((r) => `${r.code}: ${r.message}`).join("; ")}`);
+      // #1873: a loader message can quote the module's path or its load error; only a
+      // missing-export one, which names the export, is relayed. Any other refusal names its code.
+      if (refused.length) throw new Refusal("harness-refused", `harness ${m.harness}: ${refused.map((r) => r.code === "missing-export" ? `${r.code}: ${relay(r.message)}` : String(r.code)).join("; ")}`);
      const module = loader.modules("harness")[0];
      const levels = call(m.harness, "levels", () => module.levels());
      if (!levels.includes(m.thinking)) throw new Refusal("thinking-unsupported", `harness ${m.harness} takes thinking ${levels.join(", ")}, not ${m.thinking}`);
@@ -476,7 +499,7 @@ export function createLauncher({
        }
      }
      const unavailable = sandboxProblem({ bwrap });
-      if (unavailable) throw new Refusal("sandbox-unavailable", unavailable);
+      if (unavailable) throw new Refusal("sandbox-unavailable", relay(unavailable));
      const hit=limitHit(registry.sessions,b.id,b.launch.limits,model);
      if(hit){const error=new Refusal("capacity-full",JSON.stringify(hit));error.limit=hit;throw error;}
      // Row 125 (#1619, REQ-LIMIT-4): the limit checks. An answer that isn't an allow refuses,
@@ -524,7 +547,8 @@ export function createLauncher({
    // and the helper returns the last one they saw.
    const pickRoute = async (proxyOf) => {
      let sessionProxy = await proxyOf(primary);
-      const failed = call(primary.harness, "preflight", () => harness.preflight({ env: sessionProxy ? sessionEnv(env, "preflight", sessionProxy) : env, proxy: sessionProxy }));
+      // #1873: a preflight's message is the module's own text, relayed with host paths replaced.
+      const failed = relayed(call(primary.harness, "preflight", () => harness.preflight({ env: sessionProxy ? sessionEnv(env, "preflight", sessionProxy) : env, proxy: sessionProxy })));
      if (failed) {
        if (!fallback) throw new Refusal(failed.code, failed.message);
        // The fallback only on a failed primary preflight, and only at launch (row 65). Any refusal of
@@ -534,7 +558,7 @@ export function createLauncher({
          throw e;
        });
        sessionProxy = await proxyOf(fallback);
-        const also = call(fallback.harness, "preflight", () => second.preflight({ env: sessionProxy ? sessionEnv(env, "preflight", sessionProxy) : env, proxy: sessionProxy }));
+        const also = relayed(call(fallback.harness, "preflight", () => second.preflight({ env: sessionProxy ? sessionEnv(env, "preflight", sessionProxy) : env, proxy: sessionProxy })));
        if (also) throw new Refusal(also.code, `fallback ${fallback.harness}: ${also.message} (primary ${primary.harness}: ${failed.message})`);
        [model, harness, route, routeReason] = [fallback, second, "fallback", failed.code];
      }
@@ -656,7 +680,7 @@ export function createLauncher({
        return ensureCheckouts({ workspace, projects: codeProjects, env });
      });
    } catch (e) {
-      if (e instanceof CheckoutError) throw new Refusal("checkout-failed", `${e.project}: ${e.message}`);
+      if (e instanceof CheckoutError) throw new Refusal("checkout-failed", `${e.project}: ${relay(e.message)}`);
      throw e;
    }
    for (const c of checkouts) {
@@ -723,7 +747,7 @@ export function createLauncher({
      models: b.launch.models,
      proxy: sessionProxy,
      resolver,
-      contract: readFileSync(resolved.contract, "utf8"),
+      contract: resolved.contract ? readFileSync(resolved.contract, "utf8") : resolved.instructions,
      arbiter: Object.values(b.arbiters).includes(instance),
      tracker,
      library: Object.values(b.projects ?? {}).some(project => project.kind === "library"),
@@ -853,7 +877,7 @@ export function createLauncher({
      unregisterRuntime(dataRoot, managed.id);
      if (e instanceof Refusal) throw e;
      if (e.code?.startsWith('proxy-')) throw new Refusal(e.code, e.code);
-      throw new Refusal("launch-failed", e.message);
+      throw new Refusal("launch-failed", reason(e));
    }
    children.set(run, exited);
    const outputWatch = admittedProxy ? watchModelOutput({ runDir, armAtFirstTurn: true, keyId: modelKeyId, seconds: system.proxy.firstOutputSeconds ?? 120,
@@ -1033,7 +1057,7 @@ export function createLauncher({
          if (refusedThreads.get(key) === code) return;
          refusedThreads.set(key, code);
          log(`thread ${t.thread} session ${t.session} (${t.instance}): start refused: ${code}`);
-          record({ event: "refused", by: b.human, instance: t.instance, thread: t.thread, session: t.session, code, why: e.message, ...(e.limit?{limit:e.limit}:{}) });
+          record({ event: "refused", by: b.human, instance: t.instance, thread: t.thread, session: t.session, code, why: reason(e), ...(e.limit?{limit:e.limit}:{}) });
        }
      });
    }
@@ -1135,7 +1159,7 @@ export function createLauncher({
          if (clearLogged.get(c.op) === code) return;
          clearLogged.set(c.op, code);
          log(`clear ${c.op}: successor ${c.successor} (${c.instance}): start ${CLEAR_HELD.has(code) ? "held" : "refused"}: ${code}`);
-          record({ event: "refused", by: b.human, instance: c.instance, thread: c.thread, session: c.successor, code, why: e.message, ...(e.limit ? { limit: e.limit } : {}) });
+          record({ event: "refused", by: b.human, instance: c.instance, thread: c.thread, session: c.successor, code, why: reason(e), ...(e.limit ? { limit: e.limit } : {}) });
          await host.op({ op: "sessionClearStart", record: { ...where, start: CLEAR_HELD.has(code) ? "held" : "refused", refusal: code } });
          return;
        }
@@ -1195,7 +1219,7 @@ export function createLauncher({
          if (refusedLand.get(h.decision) === code) return;
          refusedLand.set(h.decision, code);
          log(`decision ${h.decision} (${h.instance}): landing start refused: ${code}`);
-          record({ event: "refused", by: b.human, instance: h.instance, decision: h.decision, code, why: e.message, ...(e.limit ? { limit: e.limit } : {}) });
+          record({ event: "refused", by: b.human, instance: h.instance, decision: h.decision, code, why: reason(e), ...(e.limit ? { limit: e.limit } : {}) });
        }
      });
    }
@@ -1240,7 +1264,7 @@ export function createLauncher({
    try {
      done = await act(take);
    } catch (e) {
-      done = { refusal: e instanceof Refusal ? e.code : "launch-failed", why: e.message, limit: e.limit };
+      done = { refusal: e instanceof Refusal ? e.code : "launch-failed", why: reason(e), limit: e.limit };
    }
    const { why, limit, ...closing } = done;
    if (closing.refusal) record({ event: "refused", by: r.by, instance: r.instance, request: r.request, code: closing.refusal, ...(why ? { why } : {}), ...(limit ? { limit } : {}) });
@@ -1348,18 +1372,19 @@ export function createLauncher({
    const bot = out.bot ? { bot: out.bot } : {};
    // The old instance workspace, then (row 269) the instance's session workspaces, each moved
    // whole. A retry moves whichever is still in place.
-    for (const from of [workspaceDir(dataRoot, b.id, r.instance), join(dataRoot, "session-workspaces", b.id, r.instance)]) {
+    for (const [from, label] of [[workspaceDir(dataRoot, b.id, r.instance), "the instance workspace"], [join(dataRoot, "session-workspaces", b.id, r.instance), "the session workspaces"]]) {
      if (!existsSync(from)) continue;
      const to = join(dirname(from), ".retired", `${r.instance}-${transaction}`);
      try {
        mkdirSync(dirname(to), { recursive: true, mode: 0o700 });
        chmodSync(dirname(to), 0o700);
-        if (existsSync(to)) throw new Error(`${to} exists`);
+        if (existsSync(to)) throw new Error("its .retired name already exists");
        renameSync(from, to);
        chmodSync(to, 0o700);
      } catch (e) {
        log(`request ${r.request} (${r.instance}): workspace rename failed: ${e.message}; left at ${from}`);
-        return { transaction, ...bot, refusal: "workspace-rename-failed", why: `${e.message}; left at ${from}` };
+        // #1873: the reason names the workspace by label and the error by code, never a path.
+        return { transaction, ...bot, refusal: "workspace-rename-failed", why: `${quietMessage(e, label) ?? `${label}: ${relay(e.message)}`}; left in place` };
      }
      record({ event: "workspace-retired", instance: r.instance, request: r.request, transaction, path: to });
    }
@@ -1430,7 +1455,7 @@ export function createLauncher({
      } catch (e) {
        if (!(e instanceof Refusal)) throw e;
        await host.op({ op: "refuse", cap, code: e.code }).catch(() => {});
-        record({ event: "refused", by: who.role, instance, code: e.code, why: e.message, ...(e.limit?{limit:e.limit}:{}) });
+        record({ event: "refused", by: who.role, instance, code: e.code, why: reason(e), ...(e.limit?{limit:e.limit}:{}) });
        return reply({ ok: false, error: e.code });
      }
      try {
@@ -1445,7 +1470,7 @@ export function createLauncher({
        const code = e instanceof Refusal ? e.code : "launch-failed";
        log(`launch of ${instance} for ${who.role} failed: ${e.message}`);
        await host.op({ op: "refuse", cap, code }).catch(() => {});
-        record({ event: "refused", by: who.role, instance, code, why: e.message, ...(e.limit?{limit:e.limit}:{}) });
+        record({ event: "refused", by: who.role, instance, code, why: reason(e), ...(e.limit?{limit:e.limit}:{}) });
        return reply({ ok: false, error: code });
      }
    });
@@ -1459,8 +1484,8 @@ export function createLauncher({
        return await start({ instance: b.launch.by, launchedBy: b.human, ...(await check(b.launch.by, { pm: true })) });
      } catch (e) {
        if (!(e instanceof Refusal)) throw e;
-        record({ event: "refused", by: b.human, instance: b.launch.by, code: e.code, why: e.message, ...(e.limit?{limit:e.limit}:{}) });
-        const error = new CliError(`PM launch refused: ${e.code}${e.message !== e.code ? ` (${e.message})` : ""}`, 3);
+        record({ event: "refused", by: b.human, instance: b.launch.by, code: e.code, why: reason(e), ...(e.limit?{limit:e.limit}:{}) });
+        const error = new CliError(`PM launch refused: ${e.code}${reason(e) !== e.code ? ` (${reason(e)})` : ""}`, 3);
        error.code = e.code;
        throw error;
      }
@@ -1511,7 +1536,7 @@ export function createLauncher({
    await recover();
    const path = launchSocketPath(dataRoot);
    if (existsSync(path)) {
-      if (!lstatSync(path).isSocket()) throw new CliError(`${path} exists and isn't a socket`, 3);
+      if (!lstatSync(path).isSocket()) throw new CliError("launch socket path exists and isn't a socket", 3);
      rmSync(path);
    }
    server = createServer((socket) => {
@@ -162,28 +162,28 @@ export function openJournal(file, { log = () => {}, now = () => new Date() } = {
    mkdirSync(dir, { recursive: true, mode: 0o700 });
  } catch (e) {
    // A dangling link in place of the directory fails mkdir with ENOENT.
-    if (e.code === "ENOENT" && lstatSync(dir, { throwIfNoEntry: false })?.isSymbolicLink()) throw new CliError(`notify journal directory must not be a symlink: ${dir}`, 3);
-    if ([...UNWRITABLE, "ENOTDIR"].includes(e.code)) throw new CliError(`notify journal directory cannot be created (${e.code}): ${dir}`, 3);
+    if (e.code === "ENOENT" && lstatSync(dir, { throwIfNoEntry: false })?.isSymbolicLink()) throw new CliError(`notify journal directory must not be a symlink`, 3);
+    if ([...UNWRITABLE, "ENOTDIR"].includes(e.code)) throw new CliError(`notify journal directory cannot be created (${e.code})`, 3);
    if (e.code !== "EEXIST") throw e;
  }
  const ds = lstatSync(dir);
-  if (ds.isSymbolicLink()) throw new CliError(`notify journal directory must not be a symlink: ${dir}`, 3);
+  if (ds.isSymbolicLink()) throw new CliError(`notify journal directory must not be a symlink`, 3);
  if (!ds.isDirectory() || ds.uid !== process.getuid() || (ds.mode & 0o077) !== 0) {
-    throw new CliError(`notify journal directory must be mode 0700 and owned by this user: ${dir}`, 3);
+    throw new CliError(`notify journal directory must be mode 0700 and owned by this user`, 3);
  }
  try {
    accessSync(dir, constants.W_OK | constants.X_OK);
  } catch (e) {
-    if (UNWRITABLE.includes(e.code)) throw new CliError(`notify journal directory is not writable (${e.code}): ${dir}`, 3);
+    if (UNWRITABLE.includes(e.code)) throw new CliError(`notify journal directory is not writable (${e.code})`, 3);
    throw e;
  }
  let fd;
  try {
    fd = openSync(file, O_RDWR | O_APPEND | O_CREAT | O_NOFOLLOW, 0o600);
  } catch (e) {
-    if (e.code === "ELOOP") throw new CliError(`notify journal must not be a symlink: ${file}`, 3);
-    if (UNWRITABLE.includes(e.code)) throw new CliError(`notify journal is not writable (${e.code}): ${file}`, 3);
-    if (e.code === "EISDIR") throw new CliError(`notify journal must be a regular file, mode 0600, owned by this user: ${file}`, 3);
+    if (e.code === "ELOOP") throw new CliError(`notify journal must not be a symlink`, 3);
+    if (UNWRITABLE.includes(e.code)) throw new CliError(`notify journal is not writable (${e.code})`, 3);
+    if (e.code === "EISDIR") throw new CliError(`notify journal must be a regular file, mode 0600, owned by this user`, 3);
    throw e;
  }
  const sent = new Set();
@@ -204,7 +204,7 @@ export function openJournal(file, { log = () => {}, now = () => new Date() } = {
  try {
    const st = fstatSync(fd);
    if (!st.isFile() || st.uid !== process.getuid() || (st.mode & 0o777) !== 0o600) {
-      throw new CliError(`notify journal must be a regular file, mode 0600, owned by this user: ${file}`, 3);
+      throw new CliError(`notify journal must be a regular file, mode 0600, owned by this user`, 3);
    }
    const bytes = readFileSync(fd);
    const end = bytes.lastIndexOf(0x0a) + 1;
@@ -218,7 +218,7 @@ export function openJournal(file, { log = () => {}, now = () => new Date() } = {
        r = null;
      }
      const bad = r === null ? "json" : badField(r);
-      if (bad) throw new CliError(`notify journal line ${i + 1} is malformed (${bad}): ${file}`, 3);
+      if (bad) throw new CliError(`notify journal line ${i + 1} is malformed (${bad})`, 3);
      count(r);
    });
    if (end < bytes.length) {
@@ -6,27 +6,28 @@ import { CliError } from "./errors.mjs";
 // The notifier's private config: `<dataRoot>/notify/<business>/notify.json`,
 // 0600, `{"notifyVersion": 1, "binding": "<discord binding>" | null}`.
 // Missing refuses, so a host never starts without someone deciding whether
-// it DMs; null runs the host without a notifier.
+// it DMs; null runs the host without a notifier. Refusals name the business
+// and the path under the data root, never the host path (PR #1916).
 export function readNotifyConfig(dataRoot, business) {
  const file = join(dataRoot, "notify", business, "notify.json");
  let st;
  try {
    st = lstatSync(file);
  } catch {
-    throw new CliError(`no notifier config at ${file}; write {"notifyVersion": 1, "binding": "<discord binding>"} there, mode 0600, or "binding": null to run without DMs`, 3);
+    throw new CliError(`no notifier config for ${business}: write {"notifyVersion": 1, "binding": "<discord binding>"} to notify/${business}/notify.json under the data root, mode 0600, or "binding": null to run without DMs`, 3);
  }
  if (!st.isFile() || st.uid !== process.getuid() || (st.mode & 0o777) !== 0o600) {
-    throw new CliError(`notifier config must be a regular file, mode 0600, owned by this user: ${file}`, 3);
+    throw new CliError(`notifier config for ${business} must be a regular file, mode 0600, owned by this user`, 3);
  }
  let doc;
  try {
    doc = JSON.parse(readFileSync(file, "utf8"));
  } catch {
-    throw new CliError(`notifier config is not JSON: ${file}`, 3);
+    throw new CliError(`notifier config for ${business} is not JSON`, 3);
  }
  const keys = doc && typeof doc === "object" && !Array.isArray(doc) ? Object.keys(doc).sort().join(",") : "";
  if (keys !== "binding,notifyVersion" || doc.notifyVersion !== 1 || (doc.binding !== null && !(typeof doc.binding === "string" && BINDING_NAME.test(doc.binding)))) {
-    throw new CliError(`notifier config must be exactly {"notifyVersion": 1, "binding": <binding name> | null}: ${file}`, 3);
+    throw new CliError(`notifier config for ${business} must be exactly {"notifyVersion": 1, "binding": <binding name> | null}`, 3);
  }
  return doc.binding;
 }
@@ -138,7 +138,9 @@ export async function busStart(ctx, id, { detach = false, devLocalOwner = false,
    await new Promise(r => setTimeout(r, 50));
  }
  if (!exited) { child.kill('SIGTERM'); await done; }
-  throw new CliError(`bus failed to start; see ${join(org.paths.hostDir, 'host.log')}`, 3);
+  // Name the log by its place in the organization's runtime directory, never by host path (PR #1916);
+  // resolveOrg admitted `id` only after the registry's id check.
+  throw new CliError(`bus failed to start; see bus-host/host.log in the runtime directory of organization ${id}`, 3);
 }
 export async function busRestart(ctx, id) {
  const org = await target(ctx, id);
@@ -4,7 +4,7 @@ import { processState } from '../../seat/src/process-state.mjs';
 import { spawn } from 'node:child_process';
 import { request as httpRequest } from 'node:http';
 import { constants, closeSync, fstatSync, lstatSync, mkdirSync, openSync, readFileSync, rmSync, renameSync, writeFileSync } from 'node:fs';
-import { join } from 'node:path';
+import { basename, join } from 'node:path';
 import { fileURLToPath } from 'node:url';
 import { listOrgs, resolveOrg } from '../../organization/src/org-registry.mjs';
 import { cmdlineOf, startTimeOf } from './host.mjs';
@@ -95,7 +95,8 @@ async function launch(ctx, args, lan, detach) {
      }
      await sleep(50);
    }
-    fail(`console failed to start; see ${log}`);
+    // The log is named under the data root, never by host path (PR #1916).
+    fail(`console failed to start; see console/${basename(log)} under the data root`);
  } catch (e) {
    if (child.exitCode === null && child.signalCode === null) { child.kill('SIGTERM'); await done; }
    throw e;
@@ -193,11 +194,8 @@ export async function consoleStop(ctx, { warn = s => process.stderr.write(s) } =
    const argv = cmdlineOf(s.pid);
    if (!argv || !argv.length) fail('console process identity is uncertain');
    const i = argv.indexOf(WEBUI);
-    if (i < 0 || argv[i + 1] !== 'serve') {
-      const serve = argv.indexOf('serve');
-      const entry = serve > 0 ? ` ${argv[serve - 1]}` : '';
-      fail(`console was started from another path${entry}; stop it there`);
-    }
+    // The other entry script is a host path, so the refusal never names it (PR #1916).
+    if (i < 0 || argv[i + 1] !== 'serve') fail('console was started from another checkout; stop it there');
    process.kill(s.pid, 'SIGTERM');
    const deadline = Date.now() + 20000;
    while (Date.now() < deadline) {
@@ -0,0 +1,96 @@
+// #1873 T1: `mosaic org definitions`, the human verbs on an organization's own role definitions and
+// the template hash and diff reads. Reads run here, from the file. A write runs only from a human
+// shell (refuseInsideAgent) and goes through the organization's bus as its human: the bus holds the
+// credential store, whose held-secret check every definition write needs (R1), and no other process
+// holds the tokens it looks for. Each write prints its receipt.
+import { readFile } from 'node:fs/promises';
+import { configDir } from '../../organization/src/organization-config.mjs';
+import { organizationWriter } from '../../organization/src/organization.mjs';
+import { definitionVerbs } from '../../organization/src/definition-verbs.mjs';
+import { checkDefinition } from '../../organization/src/definitions.mjs';
+import { rolesDir } from './config.mjs';
+import { CliError } from './errors.mjs';
+import { busExit, refuseInsideAgent } from './transport.mjs';
+
+export const DEFINITIONS_USAGE = 'mosaic org definitions templates | definitions ID list | definitions ID show NAME | definitions ID diff NAME | definitions ID import TEMPLATE [--as NAME] | definitions ID invent NAME --from FILE | definitions ID edit NAME --from FILE --if-rev N | definitions ID remove NAME --if-rev N';
+
+const WRITES = ['import', 'invent', 'edit', 'remove'];
+const VALUES = ['--as', '--from', '--if-rev'];
+
+function parse(args) {
+  const pos = [];
+  const values = {};
+  for (let i = 0; i < args.length; i++) {
+    const a = args[i];
+    if (VALUES.includes(a)) {
+      if (values[a] !== undefined || !args[i + 1] || args[i + 1].startsWith('--')) throw new CliError(`${a} needs one value`, 4);
+      values[a] = args[++i];
+    } else if (a.startsWith('--')) throw new CliError(`unknown option ${a}`, 4);
+    else pos.push(a);
+  }
+  return { pos, values };
+}
+
+async function definitionFile(file) {
+  try {
+    return JSON.parse(await readFile(file, 'utf8'));
+  } catch (e) {
+    // Never echo the file's text: it may hold what the composition check refuses.
+    throw new CliError(`cannot read definition ${file}: ${e instanceof SyntaxError ? 'not valid JSON' : e.code ?? 'unreadable'}`, 2);
+  }
+}
+
+// The bus answers a refusal with its code only. These say what the code means for this request;
+// none quotes the definition's text.
+function refusal(code, verb, name, rev, read) {
+  const why = {
+    'definition-in-use': () => `definition ${name} is named by ${read().usedBy.join(', ')}; a change to a hired agent's role is a change decision`,
+    'definition-rev-conflict': () => `definition ${name} is not at rev ${rev}`,
+    'definition-exists': () => `definitions already declares ${name}`,
+    'definition-missing': () => `definitions declares no ${name}`,
+    'revision-conflict': () => 'the organization file changed while this ran; run it again',
+    'credential-leak': () => `the ${verb} request holds a credential the organization's bus holds; nothing was written`,
+    'invalid-request': () => `the bus refused the ${verb}: the definition fails the composition check or holds a held credential`,
+  }[code];
+  let detail = null;
+  try { detail = why?.() ?? null; } catch { detail = null; }
+  const error = new CliError(detail ? `${code}: ${detail}` : code, busExit(code));
+  error.code = code;
+  return error;
+}
+
+// deps.callFor(parsed) returns the human's call(verb, args) for the organization parsed names (cli.mjs
+// passes its callFor). Without one, a write refuses: it never runs without the bus's secret check.
+export async function definitionsCommand(args, io, deps = {}) {
+  const { pos, values } = parse(args);
+  const allowed = (...keys) => { for (const k of Object.keys(values)) if (!keys.includes(k)) throw new CliError(`unexpected ${k}`, 4); };
+  const need = (key) => { if (!values[key]) throw new CliError(`${key} is required`, 4); return values[key]; };
+  const ifRev = () => { const r = need('--if-rev'); if (!/^[1-9][0-9]*$/.test(r)) throw new CliError('invalid --if-rev', 4); return Number(r); };
+  const [id, verb, name] = pos;
+  if (WRITES.includes(verb)) refuseInsideAgent(io.env);
+  const writer = deps.writer ?? organizationWriter({ dir: configDir(io.env), rolesDir: rolesDir(io.env) });
+  const verbs = definitionVerbs({ writer, rolesDir: rolesDir(io.env) });
+  let result;
+  if (id === 'templates' && pos.length === 1) { allowed(); result = verbs.templates(); }
+  else if (verb === 'list' && pos.length === 2) { allowed(); result = verbs.list(id); }
+  else if (['show', 'diff'].includes(verb) && pos.length === 3) { allowed(); result = verbs[verb](id, name); }
+  else if (WRITES.includes(verb) && pos.length === 3) {
+    let request, rev;
+    if (verb === 'import') { allowed('--as'); request = { template: name, as: values['--as'] ?? name }; }
+    else if (verb === 'invent') { allowed('--from'); request = { name, definition: await definitionFile(need('--from')) }; }
+    else if (verb === 'edit') { allowed('--from', '--if-rev'); rev = ifRev(); request = { rev, name, definition: await definitionFile(need('--from')) }; }
+    else { allowed('--if-rev'); rev = ifRev(); request = { rev, name }; }
+    // The file's own checks first, so a bad key is named here; the bus repeats them with its secret check.
+    if (request.definition) checkDefinition(name, { ...request.definition, rev: rev ?? 1 });
+    if (typeof deps.callFor !== 'function') throw new CliError('a definition write goes through the organization bus; run it as `mosaic org definitions`', 3);
+    const call = deps.callFor({ positional: [id], flags: new Set(), values: { '--business': id } });
+    const { revision } = writer.read(id);
+    try {
+      result = await call(`definition.${verb}`, { revision, ...request });
+    } catch (e) {
+      if (typeof e?.code !== 'string' || e.code === '') throw e;
+      throw refusal(e.code, verb, request.as ?? name, rev, () => verbs.show(id, request.as ?? name));
+    }
+  } else throw new CliError(DEFINITIONS_USAGE, 4);
+  io.stdout.write(JSON.stringify(result, null, 2) + '\n');
+}
@@ -9,11 +9,16 @@ import { CliError } from './errors.mjs';
 import { busStopForDelete } from './org-bus.mjs';
 import { consoleBusRestart } from './org-console.mjs';
 import { refuseInsideAgent } from './transport.mjs';
-export const ORG_USAGE = 'mosaic org system-types installed | system-types enabled ID | lock show|clear ID | reload ID | archive ID --if-revision N [--json] | restore ID --if-revision N [--json] | delete ID --confirm ID [--if-revision N] [--json] | template render ID [--fixture local] --output FILE | validate FILE | create ID --from FILE | show ID [--json] | list [--json] | update ID --from FILE --if-revision N | queue init ID (--local-only --accept-local-loss-risk | --remote URL) | queue show ID [--json] | project repo init ID PROJECT (--local-only --accept-local-loss-risk | --remote URL) | project repo show ID PROJECT [--json] | config validate ID | config resolve ID INSTANCE [--project ID]';
+import { definitionsCommand, DEFINITIONS_USAGE } from './org-definitions.mjs';
+export const ORG_USAGE = 'mosaic org system-types installed | system-types enabled ID | lock show|clear ID | reload ID | archive ID --if-revision N [--json] | restore ID --if-revision N [--json] | delete ID --confirm ID [--if-revision N] [--json] | template render ID [--fixture local] --output FILE | validate FILE | create ID --from FILE | show ID [--json] | list [--json] | update ID --from FILE --if-revision N | queue init ID (--local-only --accept-local-loss-risk | --remote URL) | queue show ID [--json] | project repo init ID PROJECT (--local-only --accept-local-loss-risk | --remote URL) | project repo show ID PROJECT [--json] | ' + DEFINITIONS_USAGE.slice('mosaic org '.length) + ' | config validate ID | config resolve ID INSTANCE [--project ID]';
 function parse(args) { const pos = [], values = {}, flags = new Set(); for (let i = 0; i < args.length; i++) { const a = args[i]; if (['--json', '--local-only', '--accept-local-loss-risk'].includes(a)) { if (flags.has(a)) throw new CliError(`duplicate ${a}`, 4); flags.add(a); } else if (['--fixture', '--output', '--from', '--if-revision', '--remote', '--confirm'].includes(a)) { if (values[a] !== undefined || !args[i+1] || args[i+1].startsWith('--')) throw new CliError(`${a} needs one value`, 4); values[a] = args[++i]; } else if (a.startsWith('--')) throw new CliError(`unknown option ${a}`, 4); else pos.push(a); } return { pos, values, flags }; }
-async function document(file) { try { return JSON.parse(await readFile(file, 'utf8')); } catch (e) { throw new CliError(`cannot read document ${file}: ${e instanceof SyntaxError ? 'not valid JSON' : e.message}`, 2); } }
+// A refusal names the document by label and the error by its code, never by host path or bytes (PR #1916).
+const errorCode = e => typeof e?.code === 'string' && /^E[A-Z0-9]+$/.test(e.code) ? e.code : 'unreadable';
+async function document(file) { try { return JSON.parse(await readFile(file, 'utf8')); } catch (e) { throw new CliError(`cannot read organization document: ${e instanceof SyntaxError ? 'not valid JSON' : errorCode(e)}`, 2); } }
 export async function orgCommand(args, io, deps = {}) {
 try {
+  // #1873 T1: the definitions verbs take their own options.
+  if (args[0] === 'definitions') return await definitionsCommand(args.slice(1), io, deps);
  const p = parse(args); const words = p.pos; let result; let accepted = [];
  const allowed = (flags, values) => { for (const f of p.flags) if (!flags.includes(f)) throw new CliError(`unexpected ${f}`, 4); for (const f of Object.keys(p.values)) if (!values.includes(f)) throw new CliError(`unexpected ${f}`, 4); };
  const need = key => { if (!p.values[key]) throw new CliError(`${key} is required`, 4); return p.values[key]; };
@@ -41,5 +46,11 @@ export async function orgCommand(args, io, deps = {}) {
   else throw new CliError(ORG_USAGE, 4);
  } else throw new CliError(ORG_USAGE, 4);
  io.stdout.write(JSON.stringify(result, null, 2) + '\n');
- } catch (e) { if (e instanceof CliError) throw e; throw new CliError(`${e.code ? e.code + ': ' : ''}${e.message}`, 2); }
+ } catch (e) {
+  if (e instanceof CliError) throw e;
+  // A raw Node filesystem error ("CODE: description, syscall 'path'") is named by its operation
+  // and code, never by the host path in its message (PR #1916).
+  const message = typeof e?.syscall === 'string' && typeof e.code === 'string' && e.message.startsWith(`${e.code}:`) ? `cannot ${e.syscall} (${errorCode(e)})` : e.message;
+  throw new CliError(`${e.code ? e.code + ': ' : ''}${message}`, 2);
+ }
 }
@@ -0,0 +1,38 @@
+// Instance-level shell verbs. Intentionally separate from pluginsCommand's bus transport.
+import { readdirSync } from 'node:fs';
+import { join } from 'node:path';
+import { CliError } from './errors.mjs';
+import { refuseInsideAgent } from './transport.mjs';
+import { configDir } from '../../organization/src/organization-config.mjs';
+import { assertAccountsOwner } from '../../organization/src/accounts.mjs';
+import { withRegistry } from '../../organization/src/org-registry.mjs';
+import { readJsonFile } from '../../organization/src/util.mjs';
+import { installPlugin, removePlugin } from '../../plugins/src/install.mjs';
+import { readPluginLock } from '../../plugins/src/pinned.mjs';
+
+export async function pluginInstallCommand(args,io,{system,dir=configDir(io.env)}) {
+  refuseInsideAgent(io.env);
+  try {
+    assertAccountsOwner(dir);
+    const [verb,value,...rest]=args;
+    if(!['install','list','remove'].includes(verb))throw new CliError('mosaic plugins install SOURCE --sha256 HASH [--commit FULL_SHA] | list | remove NAME',4);
+    const opts={};
+    if(verb==='install') {
+      for(let i=0;i<rest.length;i+=2){if(!['--sha256','--commit'].includes(rest[i]) || !rest[i+1] || Object.hasOwn(opts,rest[i]))throw new CliError('invalid plugin install options',4);opts[rest[i]]=rest[i+1];}
+      if(!value || !opts['--sha256'])throw new CliError('install requires SOURCE and --sha256 HASH',4);
+    }else if(rest.length || (verb==='list'?value!==undefined:!value))throw new CliError('invalid plugin management arguments',4);
+    let result;
+    if(verb==='list') result=readPluginLock(system.dataRoot);
+    else if(verb==='install')result=installPlugin({dataRoot:system.dataRoot,source:value,commit:opts['--commit'],expectedHash:opts['--sha256'],print:line=>io.stdout.write(line+'\n')});
+    else result=await withRegistry({configDir:dir,instance:system.instance ?? dir.split('/').pop().replace(/^mosaic-/, '')},()=>{
+      // All organization files, including archived organizations, must be readable. The registry
+      // lock prevents a simultaneous create from disappearing from this check.
+      let files=[];try{files=readdirSync(join(dir,'businesses'));}catch(e){if(e.code!=='ENOENT')throw e;}
+      return removePlugin({dataRoot:system.dataRoot,name:value,enabled:name=>files.filter(n=>n.endsWith('.json')).some(n=>{
+        const doc=readJsonFile(join(dir,'businesses',n),'organization file');
+        return Object.values(doc.plugins ?? {}).flat().includes(name);
+      })});
+    },{write:false});
+    io.stdout.write(JSON.stringify(result,null,2)+'\n');
+  }catch(e){if(e instanceof CliError)throw e;throw new CliError(`plugin management refused: ${/^[a-z-]+$/.test(e.code ?? '')?e.code:'plugin-refused'}`,3);}
+}
@@ -7,7 +7,7 @@ import { readFileSync } from "node:fs";
 import { CliError } from "./errors.mjs";
 import { orgSelector } from "./org-selector.mjs";

-export const PLUGINS_USAGE = "mosaic plugins [--business ID] [--json] [--tester] | set --file PATCH [--business ID] [--tester]";
+export const PLUGINS_USAGE = "mosaic plugins [--business ID] [--json] [--tester] | set --file PATCH [--business ID] [--tester] | install SOURCE --sha256 HASH [--commit FULL_SHA] | list | remove NAME";

 function parse(args) {
  const out = { positional: [], flags: new Set(), values: {} };
@@ -63,7 +63,7 @@ const inside = (root, path) => { const r = relative(root, path); return r !== ''
 export function threadRecords(file, thread) {
  const log = fileEvidence(file);
  if (!log.ok && log.problem === 'missing') return { file, missing: true, launches: [], ends: [], malformed: 0 };
-  if (!log.ok) throw new CliError(`run-evidence-refused: launch log ${file}: ${log.problem}`, 3);
+  if (!log.ok) throw new CliError(`run-evidence-refused: launch log: ${log.problem}`, 3);
  const launches = [], ends = []; let malformed = 0;
  log.bytes.toString('utf8').split('\n').forEach((line, i) => {
    if (!line) return;
@@ -186,7 +186,7 @@ export async function runCommand(rest, io, deps = {}) {
    lines.push(verify ? `verified: ${verified ? 'yes' : 'no'}` : 'not verified (pass --verify)');
    io.stdout.write(`${lines.join('\n')}\n`);
  }
-  if (runs.length === 0) throw new CliError(`no launch for thread ${thread.label} in ${log.file}`, 2);
+  if (runs.length === 0) throw new CliError(`no launch for thread ${thread.label} in the launch log`, 2);
  if (verify && !verified) throw new CliError('run evidence failed verification', 1);
  return report;
 }
@@ -91,7 +91,9 @@ test("R6 B3 a boot with a file R1's loader refuses still boots, binds no user an
    const s = await boot(t, file);
    assert.equal(s.config.access.file, s.path, why);
    assert.equal(s.bind("alice"), "access-revoked", why);
-    assert.deepEqual(s.warnings, [TRACKER, `access file refused at boot (${code}), no granted user binds until it is fixed: ${s.path}`], why);
+    // #1873: the warning names access.json by its place, never by host path.
+    assert.deepEqual(s.warnings, [TRACKER, `access file refused at boot (${code}), no granted user binds until it is fixed: access.json in the config directory`], why);
+    assert.ok(!s.warnings.join("\n").includes(s.path), why);
    assert.doesNotMatch(s.warnings.join("\n"), /secret-marker/, why);
  }
 });
@@ -148,7 +148,7 @@ test("a lock left by a dead pid refuses, names the pid, and is not reclaimed", a
  const dead = spawnSync(process.execPath, ["-e", ""]);
  writeFileSync(`${s.file}.lock`, `${dead.pid}\n`, { mode: 0o600 });
  const before = readFileSync(s.file, "utf8");
-  await refusal(run([...GRANT, "--revision", "1"], s.deps), new RegExp(`${s.file}\\.lock is left by pid ${dead.pid}, which is not running`));
+  await refusal(run([...GRANT, "--revision", "1"], s.deps), new RegExp(`^refused: access file lock is left by pid ${dead.pid}, which is not running`));
  assert.equal(readFileSync(s.file, "utf8"), before);
  assert.equal(readFileSync(`${s.file}.lock`, "utf8"), `${dead.pid}\n`);
  assert.equal(s.receipts(), "");
@@ -165,13 +165,14 @@ test("a failed rename leaves the old bytes, removes the temp file, and writes no
  assert.equal(s.receipts(), "");
 });

-test("a group-writable access file refuses with exit 3, names the file, and changes nothing", async (t) => {
+test("a group-writable access file refuses with exit 3, names the file by label, never by path, and changes nothing", async (t) => {
  const s = setup(t);
  chmodSync(s.file, 0o664);
  const before = readFileSync(s.file, "utf8");
  const err = await refusal(run([...GRANT, "--revision", "1"], s.deps), /must not be writable by group or other/);
  assert.equal(err.exitCode, 3);
-  assert.match(err.message, new RegExp(s.file.replace(/[.*+?^${}()|[\]\\]/g, "\\$&")));
+  assert.equal(err.message, "refused: access file must not be writable by group or other (mode 664)");
+  assert.ok(!err.message.includes(s.file), err.message);
  assert.equal(readFileSync(s.file, "utf8"), before);
  assert.equal(s.receipts(), "");
  assert.equal(existsSync(`${s.file}.lock`), false);
@@ -1,6 +1,6 @@
 import test from 'node:test';
 import assert from 'node:assert/strict';
-import { mkdtempSync, chmodSync, writeFileSync, readFileSync, mkdirSync, existsSync, rmSync } from 'node:fs';
+import { mkdtempSync, chmodSync, writeFileSync, readFileSync, mkdirSync, existsSync, rmSync, symlinkSync } from 'node:fs';
 import { join } from 'node:path';
 import { tmpdir } from 'node:os';
 import { accountsCommand } from '../src/accounts.mjs';
@@ -69,3 +69,48 @@ test('host boundary and receipt use effective uid, not real uid (current design
 try { await s.run(['init']); await s.run(['list']); const receipt = JSON.parse(readFileSync(join(s.configDir, 'accounts-receipts.jsonl'), 'utf8')); assert.equal(receipt.uid, effectiveUid); }
 finally { process.getuid = realUid; }
 });
+
+// The uid identifies this process, not the human who invoked it. The instance
+// uid can rewrite its receipt; this is neither human attribution nor tamper evidence.
+test('M3 CLI integration refuses foreign effective uid before any account mutation, and receipts identify the process', async t => {
+ const { spawnSync } = await import('node:child_process'); const { fixture } = await import('./helpers.mjs');
+ const root=mkdtempSync(join(tmpdir(),'ai-')); t.after(()=>rmSync(root,{recursive:true,force:true})); const f=fixture(root);
+ const config=JSON.parse(readFileSync(f.env.MOSAIC_CONFIG)); config.console={sso:{publicOrigin:'https://console.test',providers:[{id:'pocket',issuer:'https://id.test',clientId:'test',clientSecret:{slot:'pocket'},algs:['RS256'],subjects:[{sub:'owner',name:'Owner'}]}]}};
+ writeFileSync(f.env.MOSAIC_CONFIG,JSON.stringify(config));
+ const prelude=join(root,'uid.mjs'); const cli=new URL('../src/cli.mjs',import.meta.url).pathname;
+ const run=args=>spawnSync(process.execPath,['--import',prelude,cli,'accounts',...args],{env:{...process.env,...f.env},encoding:'utf8',timeout:10000});
+ writeFileSync(prelude,`process.geteuid=()=>${process.geteuid()+1};`); const refused=run(['init']); assert.equal(refused.status,3,refused.stderr); assert.match(refused.stderr,/accounts-unsafe: (a config directory ancestor|config directory) must belong to (root or )?uid \d+/);
+ for(const name of ['accounts.json','accounts.lock','accounts-receipts.jsonl']) assert.equal(existsSync(join(root,'config',name)),false);
+ // Different real uid, same effective uid: the effective identity is recorded.
+ writeFileSync(prelude,`process.getuid=()=>${process.geteuid()+2};`); const ok=run(['init']); assert.equal(ok.status,0,ok.stderr);
+ const receipt=JSON.parse(readFileSync(join(root,'config/accounts-receipts.jsonl'),'utf8')); assert.equal(receipt.uid,process.geteuid());
+});
+
+// org-acct-anchor (#1873): `mosaic accounts init` refuses under an ancestor another user could
+// rename, before any lock or write, and the refusal names the rule, never the path.
+test('org-acct-anchor: init, list and remove refuse a 0777 ancestor before any lock; 1777 passes', async t => {
+ const top = mkdtempSync(join(tmpdir(), 'a-')); t.after(() => { chmodSync(top, 0o700); rmSync(top, { recursive: true, force: true }); });
+ const parent = join(top, 'sk-test-NOT-A-SECRET-1234'), configDir = join(parent, 'cfg'); mkdirSync(configDir, { recursive: true, mode: 0o700 });
+ let output = ''; const io = { env: {}, stdout: { write: s => output += s }, stderr: { write: () => {} } };
+ const deps = { configDir, instance: 'test', system: { console: { sso: { providers } } } };
+ chmodSync(parent, 0o777);
+ for (const args of [['init'], ['list'], ['user', 'remove', 'u-000000000001', '--revision', '1']]) {
+  await assert.rejects(accountsCommand(args, io, deps), e => e.exitCode === 3 && /^refused: accounts-unsafe: a config directory ancestor must belong to root or uid \d+ and not be writable by others without the sticky bit$/.test(e.message) && !e.message.includes('sk-test') && !e.message.includes('/'));
+  for (const name of ['accounts.json', 'accounts.lock', 'accounts-receipts.jsonl', 'org-runtime.lock']) assert.equal(existsSync(join(configDir, name)), false, name);
+ }
+ chmodSync(parent, 0o1777);
+ await accountsCommand(['init'], io, deps); assert.match(output, /accounts init: u-[0-9a-f]{12}, revision 1/);
+});
+// PR #1916 (org-redact5): an unreadable owner file is named by the registry's checked
+// id, never by the organization root's host path.
+test('remove: an invalid or linked owner file is named by the org id, never by host path', async t => {
+ const SENTINEL = 'sk-test-NOT-A-SECRET-1234';
+ const s = setup(t); await s.run(['init']); await s.run(['user', 'add', '--name', 'Pat', '--subject', 'pocket:pat', '--revision', '1']); const id = s.read().users[1].id;
+ const root = join(s.configDir, SENTINEL, 'broken'); mkdirSync(root, { recursive: true, mode: 0o700 });
+ await withRegistry(s.deps, async registry => { registry.orgs.broken = { id: 'broken', root, state: 'active', revision: 1, created: 'now' }; writeFileSync(join(root, 'owner.json'), '{not json', { mode: 0o600 }); });
+ const clean = (pattern) => e => { assert.equal(e.exitCode, 3); assert.match(e.message, pattern); assert.ok(!e.message.includes(SENTINEL) && !e.message.includes(root), e.message); return true; };
+ await assert.rejects(s.run(['user', 'remove', id, '--revision', '2']), clean(/^refused: .*organization owner of broken is not valid JSON$/));
+ rmSync(join(root, 'owner.json')); writeFileSync(join(root, 'real.json'), '{}', { mode: 0o600 }); symlinkSync(join(root, 'real.json'), join(root, 'owner.json'));
+ await assert.rejects(s.run(['user', 'remove', id, '--revision', '2']), clean(/^refused: .*organization owner of broken must be a regular, non-symbolic-link file$/));
+ assert.equal(s.read().users.length, 2, 'nothing was removed');
+});
@@ -72,7 +72,9 @@ test("an unknown key and a JSON syntax error each leave the bus down with the re
    assert.equal(s.business, "acme");
    assert.equal(s.file, file);
    assert.match(s.reason, reason);
-    assert.ok(s.reason.includes(file) || /surprise/.test(s.reason));
+    // The reason names the file by label, never by host path (PR #1916); the path stays in `file`.
+    assert.ok(!s.reason.includes(file), s.reason);
+    assert.ok(/surprise/.test(s.reason) || /business file acme\.json is not valid JSON/.test(s.reason), s.reason);
    // `bus status` shows it, in text and in JSON.
    const out = run(f, "bus", "status", "acme", "--json");
    assert.equal(out.status, 0, out.stderr);
@@ -0,0 +1,27 @@
+// Invoked inside a private PID namespace. Check residual processes BEFORE its
+// init exits: namespace teardown would otherwise mask a missed descendant kill.
+import { readFileSync, writeFileSync } from 'node:fs';
+import { join } from 'node:path';
+import { spawnSync } from 'node:child_process';
+import { instrumentCleanupTimer } from './case-inner-timing-fixture.mjs';
+import { blockingQuerySource, killRecordedPids, recordedPids, recordedLivePids } from './case-sudo-fixture.mjs';
+
+const [script,dir]=process.argv.slice(2),clock=join(dir,"clock '$;literal"),records=join(dir,'pids');
+try {
+  writeFileSync(clock,'',{mode:0o600});
+  const worker=join(dir,'blocked.mjs');
+  writeFileSync(worker,blockingQuerySource(records,'sleep')+'\nloadSystem();');
+  const source=instrumentCleanupTimer(readFileSync(script,'utf8'),clock);
+  const body=source.slice(source.indexOf('# row253-supervisor-begin'),source.indexOf('# row253-supervisor-end'));
+  const result=spawnSync('/bin/bash',['-c',body+'\nexec /bin/bash -c "$TESTER_SUPERVISOR" -- 2 /usr/bin/setsid /usr/bin/sleep "$@"','--',process.execPath,worker],{
+    encoding:'utf8',timeout:12000,killSignal:'SIGKILL',
+  });
+  // These PIDs belong to this namespace; never use them to signal host PIDs.
+  process.stdout.write(JSON.stringify({
+    status:result.status,signal:result.signal,error:result.error?.message,
+    stdout:result.stdout,stderr:result.stderr,pairs:recordedPids(records),
+    live:recordedLivePids(records),clock:readFileSync(clock,'utf8'),
+  }));
+} finally {
+  killRecordedPids(records);
+}
@@ -0,0 +1,69 @@
+// A delay in finish(), after timing2's end stamp, must fail independently of
+// the inner timer. One fixed process tree runs at a time, without host setup,
+// fake sudo, or a parent-side elapsed-time assertion.
+import { test } from 'node:test';
+import assert from 'node:assert/strict';
+import { mkdtempSync, readFileSync, rmSync } from 'node:fs';
+import { tmpdir } from 'node:os';
+import { join } from 'node:path';
+import { spawnSync } from 'node:child_process';
+import { fileURLToPath } from 'node:url';
+import { instrumentCleanupTimer, removeInnerObservers, readProbeSeconds } from './case-inner-timing-fixture.mjs';
+
+const scripts=['case1-accept.sh','case2-unit.sh'];
+const read=name=>readFileSync(new URL(`../../../scripts/${name}`,import.meta.url),'utf8');
+// The namespace fixes /proc inventory size; it does not replace clean_session.
+// See org-cleanup-time-build.md for the standalone and loaded calibration. The
+// bound must reject 1s/2s delays and leave most of the 2s production headroom.
+// Constant delays below 0.5s can pass; this is not a bound on host-wide scan
+// cost. In particular, per-entry work needs a shipped scan-cost follow-up.
+const CLEANUP_LIMIT_SECONDS=0.5;
+const probe=fileURLToPath(new URL('./case-cleanup-time-fixture.mjs',import.meta.url));
+
+for(const name of scripts)test(`cleanup timing ${name}: observers preserve bytes and reject exit-anchor drift`,()=>{
+  const source=read(name),clock="/unused/clock '$;literal";
+  const copy=instrumentCleanupTimer(source,clock);
+  assert.equal(removeInnerObservers(copy,clock),source);
+  for(const marker of ['SO_PEERCRED','MOSAIC_TESTER_SOCKET_V1','MOSAIC_LEGACY_STATUS'])
+    assert.equal(copy.split(marker).length,source.split(marker).length,marker);
+  const exit='    exit "$rc"\n';
+  assert.throws(()=>instrumentCleanupTimer(source.replace(exit,''),clock),/anchor/);
+  assert.throws(()=>instrumentCleanupTimer(source.replace(exit,exit+exit),clock),/anchor/);
+});
+
+// Both shipped copies are executed: Case1 shares this supervisor across legacy
+// calls, queries and P10; Case2 uses its copy for config queries.
+for(const name of scripts)test(`cleanup timing ${name}: inner timeout kills descendants within the cleanup budget`,t=>{
+  const dir=mkdtempSync(join(tmpdir(),'cl-'));
+  t.after(()=>rmSync(dir,{recursive:true,force:true}));
+  // No skip/fallback: this Linux test requires unprivileged user/PID/mount
+  // namespaces. --kill-child also removes our namespace if the probe times out.
+  const outer=spawnSync('/usr/bin/unshare',[
+    '--user','--map-root-user','--pid','--fork','--kill-child=KILL','--mount-proc',
+    process.execPath,probe,fileURLToPath(new URL(`../../../scripts/${name}`,import.meta.url)),dir,
+  ],{
+    encoding:'utf8',timeout:15000,killSignal:'SIGKILL',
+  });
+  const prerequisite='requires /usr/bin/unshare and unprivileged user/PID/mount namespaces (check kernel/AppArmor/container seccomp)';
+  assert.equal(outer.error,undefined,`${prerequisite}: ${outer.error?.message}`);
+  assert.equal(outer.status,0,`${prerequisite}; probe output:\n${outer.stdout}${outer.stderr}`);
+  assert.equal(outer.stderr,'');
+  const result=JSON.parse(outer.stdout);
+  assert.equal(result.error,undefined,result.error);
+  assert.equal(result.signal,null,result.stderr);
+  assert.equal(result.status,81,result.stderr);
+  assert.equal(result.stdout,'');
+  assert.equal(result.stderr,'');
+  const pairs=result.pairs;
+  assert.equal(pairs.length,2,'the command and its live descendant both started');
+  assert.notEqual(pairs[0][0],pairs[0][1],'the trusted parent leads the command session');
+  assert.notEqual(pairs[1][0],pairs[0][0]);
+  assert.equal(pairs[1][1],pairs[0][1],'the descendant belongs to the supervised session');
+  assert.deepEqual(result.live,[],'cleanup must kill the whole process tree before namespace teardown');
+  // A positive centisecond pair relies on clean_session's current mandatory
+  // 0.01s retry sleep. Revisit this measurement if shipped cleanup removes it;
+  // keep the shared inner-timer parser strict in the meantime.
+  const seconds=readProbeSeconds(result.clock);
+  t.diagnostic(`${name}: cleanup ${seconds}s; limit ${CLEANUP_LIMIT_SECONDS}s`);
+  assert.ok(seconds<CLEANUP_LIMIT_SECONDS,`${name}: cleanup ${seconds}s must be < ${CLEANUP_LIMIT_SECONDS}s`);
+});
@@ -0,0 +1,50 @@
+// Test-copy observations only: bracket the supervisor's inner timer before
+// clean_session scans the host's /proc. Keep all shipped control flow intact.
+import { readProbeSeconds } from './case-p10-timing-fixture.mjs';
+export { readProbeSeconds };
+const BEGIN = '# row253-supervisor-begin\n';
+const END = '# row253-supervisor-end\n';
+const TIMER = '"$sleep_bin" "$seconds" & timer=$!\n';
+const FINISH = 'finish() {\n    local rc="$?"\n';
+function unique(source, anchor) {
+  const at=source.indexOf(anchor);
+  if(at<0 || source.indexOf(anchor,at+anchor.length)>=0) throw new Error('inner observer anchor must occur exactly once');
+  return at;
+}
+function innerObservers(clock) {
+  // The literal path survives env -i in the fake sudo. It is a private scratch
+  // file, never a product input. Quote even paths containing shell metacharacters.
+  const file="'"+clock.replaceAll("'", "'\\''")+"'";
+  return {
+    begin:`# inner-observer-begin\n{ read -r timing2_up timing2_spare < /proc/uptime &&\n  printf 'begin %s\\n' "$timing2_up" >> ${file}; } 2>/dev/null || :\n# inner-observer-begin-end\n`,
+    end:`    # inner-observer-end\n    { read -r timing2_up timing2_spare < /proc/uptime &&\n      printf 'end %s\\n' "$timing2_up" >> ${file}; } 2>/dev/null || :\n    # inner-observer-end-end\n`,
+  };
+}
+export function instrumentInnerTimer(source,clock) {
+  const from=unique(source,BEGIN),to=unique(source,END);
+  if(to<=from)throw new Error('inner observer scope is reversed');
+  let supervisor=source.slice(from,to);
+  unique(supervisor,TIMER);unique(supervisor,FINISH);
+  const blocks=innerObservers(clock);
+  supervisor=supervisor.replace(TIMER,blocks.begin+TIMER).replace(FINISH,FINISH+blocks.end);
+  return source.slice(0,from)+supervisor+source.slice(to);
+}
+export function removeInnerObservers(source,clock) {
+  for(const block of Object.values(innerObservers(clock))){unique(source,block);source=source.replace(block,'');}
+  return source;
+}
+
+// Reuse the timing2 finish-entry stamp, moving only the other observation.
+// The end is in the supervisor, after clean_session and both waits, immediately
+// before exit. Parent scheduling and process start-up never enter this pair.
+export function instrumentCleanupTimer(source,clock) {
+  const blocks=innerObservers(clock);
+  let observed=instrumentInnerTimer(source,clock);
+  const from=unique(observed,BEGIN),to=unique(observed,END);
+  let supervisor=observed.slice(from,to);
+  const exit='    exit "$rc"\n';
+  unique(supervisor,exit);
+  supervisor=supervisor.replace(blocks.begin,'').replace(blocks.end,blocks.begin);
+  supervisor=supervisor.replace(exit,blocks.end+exit);
+  return observed.slice(0,from)+supervisor+observed.slice(to);
+}
@@ -0,0 +1,33 @@
+import { test } from 'node:test';
+import assert from 'node:assert/strict';
+import { readFileSync, writeFileSync } from 'node:fs';
+import { spawnSync } from 'node:child_process';
+import { join } from 'node:path';
+import { tmp } from './helpers.mjs';
+import { instrumentInnerTimer, removeInnerObservers, readProbeSeconds } from './case-inner-timing-fixture.mjs';
+const scripts=['case1-accept.sh','case2-unit.sh'];
+const read=name=>readFileSync(new URL(`../../../scripts/${name}`,import.meta.url),'utf8');
+for(const name of scripts)test(`inner timing ${name}: private copy preserves shipped bytes and rejects anchor drift`,t=>{
+ const clock=join(tmp(t,'timer-'),'clock');
+ const source=read(name),copy=instrumentInnerTimer(source,clock);
+ assert.equal(removeInnerObservers(copy,clock),read(name));
+ for(const marker of ['SO_PEERCRED','MOSAIC_TESTER_SOCKET_V1','MOSAIC_LEGACY_STATUS'])
+  assert.equal(copy.split(marker).length,source.split(marker).length,marker);
+ for(const anchor of ['# row253-supervisor-begin\n','# row253-supervisor-end\n','"$sleep_bin" "$seconds" & timer=$!\n','finish() {\n    local rc="$?"\n']){
+  assert.throws(()=>instrumentInnerTimer(source.replace(anchor,''),clock),/anchor/);
+  assert.throws(()=>instrumentInnerTimer(source.replace(anchor,anchor+anchor),clock),/anchor/);
+ }
+});
+for(const name of scripts)test(`inner timing ${name}: real supervisor retains streams status and EXIT cleanup`,t=>{
+ const clock=join(tmp(t,'timer-'),"clock '$;literal");writeFileSync(clock,'');
+ const source=instrumentInnerTimer(read(name),clock);
+ const body=source.slice(source.indexOf('# row253-supervisor-begin'),source.indexOf('# row253-supervisor-end'));
+ const result=spawnSync('/bin/bash',['-c',body+'\n/bin/bash -c "$TESTER_SUPERVISOR" -- 2 /usr/bin/setsid /usr/bin/sleep /bin/bash -c \'printf exact-out; printf exact-err >&2; /usr/bin/sleep 0.1; exit 7\''],{encoding:'utf8'});
+ assert.equal(result.status,87,result.stderr);
+ assert.equal(result.stdout,'exact-out');assert.equal(result.stderr,'exact-err');
+ assert.match(readFileSync(clock,'utf8'),/^begin [0-9]+\.[0-9]{2}\nend [0-9]+\.[0-9]{2}\n$/);
+ // The same strict parser used by the timing bands rejects a guard's partial,
+ // duplicate or reversed pair, rather than substituting wall time.
+ for(const invalid of ['begin 10.00\n','end 11.00\n','begin 10.00\nend 11.00\nbegin 12.00\nend 13.00\n','begin 11.00\nend 10.00\n'])
+  assert.throws(()=>readProbeSeconds(invalid));
+});
@@ -5,6 +5,13 @@ const LEGACY = '# row276-legacy-begin';
 // Stable even when a mutant removes the outer timeout from this command.
 const LAUNCH = '    LC_ALL=C ';
 const WAIT = '    wait "$child" 2>/dev/null || rc=$?\n';
+// org-base-reds: the root pair above also spans supervisor start-up and clean_session, a scan of
+// every host /proc entry whose cost grows with the host's process count. The timer pair brackets
+// only the inner timer: from just before the supervisor starts its sleep to the start of finish().
+const SUPERVISOR = '# row253-supervisor-begin\n';
+const SUPERVISOR_END = '# row253-supervisor-end\n';
+const TIMER = '"$sleep_bin" "$seconds" & timer=$!\n';
+const FINISH = 'finish() {\n    local rc="$?"\n';

 export const P10_OBSERVERS = Object.freeze({
  begin: `    # row299-observer-begin-start
@@ -20,6 +27,26 @@ export const P10_OBSERVERS = Object.freeze({
          printf 'end %s\\n' "$row299_up" >> "$ROW299_TIMING_FILE"; } 2>/dev/null || :
    fi
    # row299-observer-end-end
+`,
+  // Supervisor-side pair. Only the P10 peer's arguments carry the peer-credential option name.
+  // The pattern is split so this block never adds that literal to the supervisor text: the fake
+  // sudo stalls any command whose arguments contain it, and the supervisor text is an argument of
+  // every capture. finish() has no arguments of its own, so its stamp follows exactly one begin
+  // and is written at most once.
+  timerBegin: `# row299-timer-begin-start
+if [ -n "\${ROW299_TIMER_FILE-}" ] && [[ "$*" == *SO_PEER*CRED* ]]; then
+    { read -r row299_up row299_spare < /proc/uptime &&
+      printf 'begin %s\\n' "$row299_up" >> "$ROW299_TIMER_FILE"; } 2>/dev/null || :
+fi
+# row299-timer-begin-end
+`,
+  timerEnd: `    # row299-timer-end-start
+    if [ -n "\${ROW299_TIMER_FILE-}" ]; then
+        { read -r row299_up row299_spare < /proc/uptime &&
+          [[ "$(< "$ROW299_TIMER_FILE")" == begin* && "$(< "$ROW299_TIMER_FILE")" != *end* ]] &&
+          printf 'end %s\\n' "$row299_up" >> "$ROW299_TIMER_FILE"; } 2>/dev/null || :
+    fi
+    # row299-timer-end-end
 `,
 });

@@ -40,7 +67,15 @@ export function instrumentP10Probe(source) {
  uniqueIndex(capture, WAIT);
  capture = capture.replace(LAUNCH, P10_OBSERVERS.begin + LAUNCH);
  capture = capture.replace(WAIT, WAIT + P10_OBSERVERS.end);
-  return source.slice(0, start) + capture + source.slice(end);
+  source = source.slice(0, start) + capture + source.slice(end);
+  const from = uniqueIndex(source, SUPERVISOR), to = uniqueIndex(source, SUPERVISOR_END);
+  if (to <= from) throw new Error('P10 observer supervisor scope is reversed');
+  let supervisor = source.slice(from, to);
+  uniqueIndex(supervisor, TIMER);
+  uniqueIndex(supervisor, FINISH);
+  supervisor = supervisor.replace(TIMER, P10_OBSERVERS.timerBegin + TIMER);
+  supervisor = supervisor.replace(FINISH, FINISH + P10_OBSERVERS.timerEnd);
+  return source.slice(0, from) + supervisor + source.slice(to);
 }

 export function removeP10Observers(source) {
@@ -0,0 +1,34 @@
+// No real process is signalled. These hostile kernel-boundary controls expose
+// a new session reusing the old SID after the original leader disappears.
+import {test} from 'node:test';
+import assert from 'node:assert/strict';
+import {readFileSync} from 'node:fs';
+import {spawnSync} from 'node:child_process';
+for(const name of ['case1-accept.sh','case2-unit.sh'])for(const mode of ['already-dead','dies-before-signal'])test(`${name}: ${mode} original session never signals a recycled SID`,()=>{
+ const source=readFileSync(new URL(`../../../scripts/${name}`,import.meta.url),'utf8');
+ const program=/\/usr\/bin\/python3 -I -S -c '\n([\s\S]*?)\n' "\$child"/.exec(source)?.[1];
+ assert.ok(program,'the shipped cleanup program exists');
+ const anchor='\ntry:\n';assert.equal(program.split(anchor).length,2);
+ const control=`
+import atexit, json
+from types import SimpleNamespace
+attempts = []
+checks = 0
+atexit.register(lambda: print(json.dumps(attempts)))
+def observed(pid):
+    global checks
+    if pid == "self/fd/42":
+        checks += 1
+        return (b"T", session) if ${mode==='already-dead'?'False':'checks < 3'} else None
+    return (b"R", session)
+def send(fd, sig):
+    attempts.append([fd, sig])
+    raise PermissionError("never signal a real task")
+fields = observed
+os = SimpleNamespace(listdir=lambda path: ["999"], pidfd_open=lambda pid: 17 if pid == session else 99, close=lambda fd: None)
+signal = SimpleNamespace(SIGKILL=9, SIGCONT=18, pidfd_send_signal=send)
+`;
+ const r=spawnSync('/usr/bin/python3',['-I','-S','-c',program.replace(anchor,'\n'+control+anchor),'424242','42'],{encoding:'utf8'});
+ assert.equal(r.status,1,r.stderr);assert.equal(r.stderr,'');
+ assert.deepEqual(JSON.parse(r.stdout),[],'a stale SID must never authorize a signal');
+});
@@ -0,0 +1,85 @@
+// Regression controls run the real supervisor. Only the kernel observation is
+// fault-injected: a transient empty stat and a delayed first observation of an
+// already completed fast command. Neither may authorize an unverified session.
+import {test} from 'node:test';
+import assert from 'node:assert/strict';
+import {readFileSync} from 'node:fs';
+import {spawnSync} from 'node:child_process';
+const names=['case1-accept.sh','case2-unit.sh'];
+function body(name){const s=readFileSync(new URL(`../../../scripts/${name}`,import.meta.url),'utf8');return s.slice(s.indexOf('# row253-supervisor-begin'),s.indexOf('# row253-supervisor-end'));}
+function replaceOnce(source,anchor,replacement){assert.equal(source.split(anchor).length,2,'fault anchor must be unique');return source.replace(anchor,replacement);}
+function run(source,setsid='/usr/bin/setsid',command=['/bin/true']){
+ return spawnSync('/bin/bash',['-c',source+'\nexec /bin/bash -c "$TESTER_SUPERVISOR" -- 1 "$@"','--',setsid,'/usr/bin/sleep',...command],{encoding:'utf8',timeout:8000});
+}
+test('shipped supervisors remain byte-identical',()=>assert.equal(body(names[0]),body(names[1])));
+for(const name of names){
+ test(`${name}: a transient empty stat read retries within the inner budget`,()=>{
+  const source=replaceOnce(body(name),'stat_fields() {','stat_fields() {\n    if [ "${empty_once:-0}" = 0 ]; then empty_once=1; return 1; fi');
+  const r=run(source);assert.equal(r.status,0,r.stderr);assert.equal(r.stdout,'');
+ });
+ test(`${name}: fast success cannot disappear before session verification`,()=>{
+  // Delay only the parent's first observation. BASE lets /bin/true exit and
+  // loses its proc entry; a stopped trusted launcher remains verifiable.
+  const source=replaceOnce(body(name),'stat_fields() {','stat_fields() {\n    if [ "${delayed_once:-0}" = 0 ]; then delayed_once=1; "$sleep_bin" 0.08; fi');
+  const r=run(source);assert.equal(r.status,0,r.stderr);
+ });
+ test(`${name}: a launcher that never creates a session is refused`,()=>{
+  const r=run(body(name),'/bin/false');assert.equal(r.status,85,r.stderr);
+ });
+ test(`${name}: a stopped launcher without a new session is never accepted`,()=>{
+  const r=run(body(name),'/usr/bin/env');assert.equal(r.status,81,r.stderr);
+ });
+ test(`${name}: persistently unreadable initial stat retains session refusal 85`,()=>{
+  const source=replaceOnce(body(name),'stat_fields() {','stat_fields() {\n    return 1');
+  const r=run(source);assert.equal(r.status,85,r.stderr);
+ });
+ test(`${name}: command status and streams survive the launcher`,()=>{
+  const r=run(body(name),'/usr/bin/setsid',['/bin/bash','-c','printf out; printf err >&2; exit 7']);
+  assert.equal(r.status,87,r.stderr);assert.equal(r.stdout,'out');assert.equal(r.stderr,'err');
+ });
+}
+
+// A snapshot of the parent tree would miss a child reparented to namespace init.
+// A new session is a separately documented escape, not a session member.
+import {mkdtempSync,rmSync} from 'node:fs';
+import {tmpdir} from 'node:os';
+import {join} from 'node:path';
+import {fileURLToPath} from 'node:url';
+for(const name of names)for(const mode of ['reparent','escape','fork','unreadable','unkillable','anchor-death'])test(`${name}: namespace cleanup ${mode}`,t=>{
+ const dir=mkdtempSync(join(tmpdir(),'sc-'));t.after(()=>rmSync(dir,{recursive:true,force:true}));
+ const r=spawnSync('/usr/bin/unshare',['--user','--map-root-user','--pid','--fork','--kill-child=KILL','--mount-proc',process.execPath,fileURLToPath(new URL('./case-supervisor-session-fixture.mjs',import.meta.url)),fileURLToPath(new URL(`../../../scripts/${name}`,import.meta.url)),dir,mode],{encoding:'utf8',timeout:12000,killSignal:'SIGKILL'});
+ assert.equal(r.status,0,r.stderr);assert.equal(r.stderr,'');
+ const result=JSON.parse(r.stdout);assert.equal(result.error,undefined);assert.equal(result.signal,null);
+ assert.equal(result.status,['unreadable','unkillable','anchor-death'].includes(mode)?86:81,JSON.stringify(result));
+ assert.equal(result.stdout,'');
+ if(mode==='anchor-death')assert.match(result.stderr,/Killed/);else assert.equal(result.stderr,'');
+ if(!['unreadable','unkillable','anchor-death'].includes(mode))assert.deepEqual(result.sessionLive,[],'no unrecorded live session member may survive');
+ if(mode==='fork'){assert.ok(result.pairs.length>10);assert.deepEqual(result.live,[],'fast forks must not survive confirmation scans');return;}
+ assert.equal(result.pairs.length,2);
+ const [leader,descendant]=result.pairs;
+ assert.notEqual(leader[0],leader[1]);
+ assert.equal(result.anchor,leader[1],'the trusted command parent reserves the SID');
+ if(mode==='escape'){
+  assert.equal(descendant[0],descendant[1]);assert.notEqual(descendant[1],leader[1]);
+  assert.deepEqual(result.live,[descendant[0]],'recorded gap: a new session survives; namespace fixture removes it');
+ }else{
+  assert.equal(descendant[1],leader[1]);
+  if(mode==='anchor-death'){assert.ok(result.live.includes(leader[0]),'lost anchor refuses before signalling a bare SID');}
+  else if(mode==='reparent'){assert.equal(result.parent,1,'the intermediate parent exited before cleanup');assert.deepEqual(result.live,[],'reparenting must not hide a session member');}
+  else assert.ok(result.live.includes(descendant[0]),'the refusal control leaves a live member before fixture cleanup');
+ }
+});
+
+// Unlike the private-inventory timing test, this sees the real host /proc.
+// Restoring the old per-entry bash read/parse scan exceeds this bound on a
+// representative host. It uses cleanup-time's stamps, excluding the inner wait.
+import {writeFileSync} from 'node:fs';
+import {instrumentCleanupTimer,readProbeSeconds} from './case-inner-timing-fixture.mjs';
+for(const name of names)test(`${name}: host inventory cleanup stays within 0.5 seconds`,t=>{
+ const dir=mkdtempSync(join(tmpdir(),'hc-'));t.after(()=>rmSync(dir,{recursive:true,force:true}));
+ const clock=join(dir,'clock');writeFileSync(clock,'');
+ const r=run(instrumentCleanupTimer(body(name)+'# row253-supervisor-end\n',clock),'/usr/bin/setsid',['/bin/bash','-c','/usr/bin/sleep 30 & wait']);
+ assert.equal(r.status,81,r.stderr);assert.equal(r.stderr,'');assert.equal(r.stdout,'');
+ const seconds=readProbeSeconds(readFileSync(clock,'utf8'));t.diagnostic(`${name}: host cleanup ${seconds}s`);
+ assert.ok(seconds<0.5,`host cleanup ${seconds}s must be < 0.5s`);
+});
@@ -0,0 +1,58 @@
+// Namespace-local evidence and cleanup. The JSON observation precedes teardown.
+import {readFileSync,writeFileSync,readdirSync,openSync,closeSync} from 'node:fs';
+import {spawnSync} from 'node:child_process';
+const [script,dir,mode]=process.argv.slice(2),records=dir+'/pids',worker=dir+'/worker.mjs';
+const source=readFileSync(script,'utf8');
+let body=source.slice(source.indexOf('# row253-supervisor-begin'),source.indexOf('# row253-supervisor-end'));
+// Adversarial kernel boundary controls keep the real cleanup loop and budget.
+if(mode==='unreadable')body=body.replace('def fields(pid):','def fields(pid):\n    raise PermissionError("injected unreadable stat")');
+if(mode==='unkillable')body=body.replace('signal.pidfd_send_signal(fd, signal.SIGKILL)','None # injected successful kill with a surviving member');
+if(mode==='fork')writeFileSync(worker,`
+import {spawn} from 'node:child_process';
+import {appendFileSync,readFileSync} from 'node:fs';
+const record=${JSON.stringify(records)};
+const sid=p=>Number(readFileSync('/proc/'+p+'/stat','utf8').split(') ').at(-1).split(' ')[3]);
+appendFileSync(record,JSON.stringify([process.pid,sid(process.pid)])+'\\n');
+setInterval(()=>{
+ const child=spawn('/usr/bin/sleep',['30'],{stdio:'ignore'});
+ appendFileSync(record,JSON.stringify([child.pid,sid(child.pid)])+'\\n');
+},4);
+`);
+else writeFileSync(worker,`
+import {spawn} from 'node:child_process';
+import {readFileSync,writeFileSync} from 'node:fs';
+const record=${JSON.stringify(records)};
+const child=spawn('/bin/bash',['-c',${JSON.stringify(mode==='escape'?'exec /usr/bin/setsid /usr/bin/sleep 30':'/usr/bin/sleep 30 & echo $! > "$1"')},'--',record+'.child'],{stdio:'ignore'});
+setTimeout(()=>{
+ const pid=${mode==='escape'?'child.pid':"Number(readFileSync(record+'.child','utf8').trim())"};
+ const sid=p=>Number(readFileSync('/proc/'+p+'/stat','utf8').split(') ').at(-1).split(' ')[3]);
+ writeFileSync(record,JSON.stringify([[process.pid,sid(process.pid)],[pid,sid(pid)]]));
+ writeFileSync(record+'.anchor',String(process.ppid));
+ writeFileSync(record+'.parent',readFileSync('/proc/'+pid+'/stat','utf8').split(') ').at(-1).split(' ')[1]);
+ if(${JSON.stringify(mode)} === "anchor-death")process.kill(process.ppid,"SIGKILL");
+},100);
+setInterval(()=>{},1000);
+`);
+const out=openSync(dir+'/out','w'),err=openSync(dir+'/err','w');
+const result=spawnSync('/bin/bash',['-c',body+'\nexec /bin/bash -c "$TESTER_SUPERVISOR" -- 1 /usr/bin/setsid /usr/bin/sleep "$@"','--','/bin/bash','-c','exec "$@" >/dev/null 2>&1','--',process.execPath,worker],{encoding:'utf8',stdio:['ignore',out,err],timeout:8000,killSignal:'SIGKILL'});
+closeSync(out);closeSync(err);
+result.stdout=readFileSync(dir+'/out','utf8');result.stderr=readFileSync(dir+'/err','utf8');
+let pairs=[];
+try{const text=readFileSync(records,'utf8');pairs=mode==='fork'?text.trim().split('\n').map(JSON.parse):JSON.parse(text);}catch{}
+const live=[];
+for(const [pid] of pairs){try{const state=readFileSync('/proc/'+pid+'/stat','utf8').split(') ').at(-1).split(' ')[0];if(!['Z','X'].includes(state))live.push(pid);}catch{}}
+// Inventory the entire private namespace too: a fork between spawn and its
+// record write must not escape the assertion just because it was unrecorded.
+const sessionLive=[];
+for(const pid of readdirSync('/proc').filter(p=>/^[0-9]+$/.test(p))){
+ try{
+  const words=readFileSync('/proc/'+pid+'/stat','utf8').split(') ').at(-1).split(' ');
+  if(Number(words[3])===pairs[0]?.[1]&&!['Z','X'].includes(words[0]))sessionLive.push(Number(pid));
+ }catch{}
+}
+let parent,anchor;
+try{anchor=Number(readFileSync(records+".anchor","utf8"));}catch{}
+try{parent=Number(readFileSync(records+'.parent','utf8'));}catch{}
+process.stdout.write(JSON.stringify({sessionLive,parent,anchor,status:result.status,signal:result.signal,error:result.error?.message,stdout:result.stdout,stderr:result.stderr,pairs,live}));
+// These PIDs exist only in the private namespace. Never signal them on the host.
+for(const [pid] of pairs)try{process.kill(pid,'SIGKILL');}catch{}
@@ -13,6 +13,7 @@ import { dirname, join } from "node:path";
 import { fileURLToPath } from "node:url";
 import { tmp } from "./helpers.mjs";
 import { instrumentP10Probe, removeP10Observers, readProbeSeconds, P10_OBSERVERS } from "./case-p10-timing-fixture.mjs";
+import { instrumentInnerTimer } from "./case-inner-timing-fixture.mjs";
 import { CASE_SUDO_SESSION, recordedLivePids, killRecordedPids, fixtureGuard, cleanupFixture, pollFixtureGone, blockingQuerySource, LEGACY_CASES } from "./case-sudo-fixture.mjs";

 const REPO = fileURLToPath(new URL("../../../", import.meta.url));
@@ -378,6 +379,9 @@ test('row299 P10 timing copy preserves shipped bytes and isolates observer varia
  assert.deepEqual([...block.matchAll(/\b([A-Za-z_][A-Za-z0-9_]*)=/g)],[],'no other assignments in observer blocks');
  assert.doesNotMatch(block,/\$ROOT|\$\{ROOT/,'fixture root cannot supply the clock');
 }
+ // The fake sudo keys its faults on these argument markers; observers must not add or remove any.
+ for(const marker of['SO_PEERCRED','MOSAIC_TESTER_SOCKET_V1','MOSAIC_LEGACY_STATUS'])
+  assert.equal(copy.split(marker).length,source.split(marker).length,`observers keep the ${marker} count`);
 const changedTimer=source.replace('tester_capture 2 4 128','tester_capture 1 4 128');
 assert.equal(removeP10Observers(instrumentP10Probe(changedTimer)),changedTimer,'copy keeps current timer mutants');
 });
@@ -402,6 +406,34 @@ capture`;
 assert.match(read(clock),/^begin [0-9]+\.[0-9]{2}\nend [0-9]+\.[0-9]{2}\n$/);
 });

+test('row299 P10 timer observers keep supervisor status and record one P10 pair',t=>{
+ const dir=tmp(t,'p10-timer-'),clock=join(dir,'clock'),trapFile=join(dir,'trap');
+ put(clock,'',0o600);
+ // Same shape as TESTER_SUPERVISOR: positional arguments are the setsid command, finish() has none.
+ const program=`set +m
+finish() {
+    local rc="$?"
+${P10_OBSERVERS.timerEnd}    printf trap > "$ROW299_TRAP_FILE"
+    exit "$rc"
+}
+trap finish EXIT
+${P10_OBSERVERS.timerBegin}printf stdout-without-newline
+printf stderr-without-newline >&2
+exit 81`;
+ const supervise=(...args)=>spawnSync('/bin/bash',['-c',program,'--',...args],{encoding:'utf8',env:{...process.env,ROW299_TIMER_FILE:clock,ROW299_TRAP_FILE:trapFile}});
+ let r=supervise('node','-e','query');
+ assert.equal(r.status,81);assert.equal(read(clock),'','a supervisor without the P10 peer records nothing');
+ r=supervise('python','-c','getsockopt(SO_PEERCRED)');
+ assert.equal(r.status,81);
+ assert.equal(r.stdout,'stdout-without-newline');
+ assert.equal(r.stderr,'stderr-without-newline');
+ assert.equal(read(trapFile),'trap');
+ assert.match(read(clock),/^begin [0-9]+\.[0-9]{2}\nend [0-9]+\.[0-9]{2}\n$/);
+ const pair=read(clock);
+ r=supervise('node','-e','later');
+ assert.equal(r.status,81);assert.equal(read(clock),pair,'a later supervisor cannot add a second end');
+});
+
 test('row299 P10 observer records are complete and ordered',()=>{
 assert.equal(readProbeSeconds('begin 100.01\nend 102.03\n'),2.02);
 const invalid={
@@ -433,23 +465,33 @@ for(const fault of ['inner','outer','overflow'])test(`row253 C4 P10 ${fault} rea
  if(fault==='inner')put(join(h.hc,'peer-hang'),'');
  if(fault==='outer'){put(join(h.hc,'stall-probe'),'');put(join(h.hc,'stall-output'),'200 997 997\n');}
  if(fault==='overflow'){put(join(h.hc,'peer-output'),'200 997 997\n'+'X'.repeat(256));put(join(h.hc,'peer-status'),'0');}
-  let observedScript=SCRIPT,timingFile;
+  let observedScript=SCRIPT,timingFile,timerFile;
  if(fault==='inner'||fault==='outer'){
   observedScript=join(h.dir,'case1-p10-observed.sh');timingFile=join(h.hc,'probe-uptime');
   put(timingFile,'',0o600);put(observedScript,instrumentP10Probe(read(SCRIPT)),0o700);
+   // The outer fault stalls before the supervisor starts, so only the inner fault has a timer pair.
+   if(fault==='inner'){timerFile=join(h.hc,'timer-uptime');put(timerFile,'',0o600);}
   put(join(h.dir,'selector.sh'),read(join(REPO,'scripts','selector.sh')),0o644);
   assert.equal(removeP10Observers(read(observedScript)),read(SCRIPT),'observer reversal equals a fresh shipped script read');
  }
  const stop=fixtureGuard(t,files,7000,timingFile);
-  const start=performance.now(),r=run(h,timingFile?{ROW299_TIMING_FILE:timingFile}:{},undefined,observedScript),seconds=(performance.now()-start)/1000;capture();
+  const observe={...(timingFile?{ROW299_TIMING_FILE:timingFile}:{}),...(timerFile?{ROW299_TIMER_FILE:timerFile}:{})};
+  const start=performance.now(),r=run(h,observe,undefined,observedScript),seconds=(performance.now()-start)/1000;capture();
  assert.equal(r.status,0,r.out+r.err);
  const reason=fault==='inner'?'inner-timeout':fault==='outer'?'outer-timeout':'output-limit';
  assert.match(r.out,new RegExp('P10 tester-socket-squat unnamed boundary=failed reason=probe-'+reason+' '));
  assert.doesNotMatch(r.out,/boundary=observed/);
-  let probeSeconds=seconds;
+  let probeSeconds=seconds,timerSeconds;
  if(timingFile)assert.doesNotThrow(()=>{probeSeconds=readProbeSeconds(read(timingFile));},'P10 observer pair is required');
-  if(fault==='inner'||fault==='outer')t.diagnostic(JSON.stringify({fault,mode,baselineSeconds,faultSeconds:seconds,probeSeconds}));
-  if(fault==='inner')assert.ok(probeSeconds>=1.25&&probeSeconds<2.75,`${mode}: direct probe ${probeSeconds}s; baseline ${baselineSeconds}s is diagnostic only`);
+  if(timerFile)assert.doesNotThrow(()=>{timerSeconds=readProbeSeconds(read(timerFile));},'P10 timer observer pair is required');
+  if(fault==='inner'||fault==='outer')t.diagnostic(JSON.stringify({fault,mode,baselineSeconds,faultSeconds:seconds,probeSeconds,timerSeconds}));
+  // org-base-reds: the band applies to the inner timer itself. The root pair adds supervisor start-up and
+  // clean_session's whole-host /proc scan, which grows with the host's process count, so it must contain
+  // the timer pair but has no band of its own; probe-inner-timeout above already places it before the outer bound.
+  if(fault==='inner'){
+   assert.ok(timerSeconds>=1.25&&timerSeconds<2.75,`${mode}: inner timer ${timerSeconds}s (root probe ${probeSeconds}s); baseline ${baselineSeconds}s is diagnostic only`);
+   assert.ok(probeSeconds>=timerSeconds,`${mode}: root probe ${probeSeconds}s must contain the inner timer ${timerSeconds}s`);
+  }
  if(fault==='outer'){
   assert.ok(probeSeconds>=3.25&&probeSeconds<4.75,`${mode}: direct probe ${probeSeconds}s; baseline ${baselineSeconds}s is diagnostic only`);
   if(mode==='hop')assert.ok(recordedLivePids(files[0]).length>0,'stalled supervisor is R3 residual');
@@ -896,7 +938,7 @@ test("row 195 accept: every in-instance call goes through sudo -u mosaic -H env
  // mos-1326: assert every argv element, not flattened/substr command detection.
  const source=read(SCRIPT);
  const supervisor=source.split("<<'MOSAIC_TESTER_SUPERVISOR'")[1].split('\n').slice(1).join('\n').split('\nMOSAIC_TESTER_SUPERVISOR')[0]+'\n';
-  assert.equal(createHash('sha256').update(supervisor).digest('hex'),'34063098d7edb9067c11456165dc7535bc0e779d053c43599884d6b614528639');
+  assert.equal(createHash('sha256').update(supervisor).digest('hex'),'52509773fa2bb0701402b8d2454816153e18323cfaa75cb72418b46c4dbb2d34');
  const runner=/LEGACY_COMMAND_RUNNER='([\s\S]*?)'\nlegacy_display_rc/.exec(source)[1];
  const f7=/F7_JS='([\s\S]*?)'\ncheck_f7/.exec(source)[1];
  const raw=read(join(h.hc,'sudo-argv.jsonl')).trim().split('\n').map(line=>JSON.parse(line));
@@ -927,8 +969,8 @@ test("row 195 accept: the host check runs with --check and never --enforce", (t)


 // Row276 exercises the real legacy launcher with fixture-only commands, never sudo.
-function legacyBody() {
- const source=read(SCRIPT),start=source.indexOf('# row253-supervisor-begin'),end=source.indexOf('# row276-legacy-end');
+function legacyBody(source=read(SCRIPT)) {
+ const start=source.indexOf('# row253-supervisor-begin'),end=source.indexOf('# row276-legacy-end');
 assert.ok(start>=0&&end>start,'legacy supervisor block exists');
 return source.slice(start,end);
 }
@@ -950,11 +992,18 @@ for(const {tag} of LEGACY_CASES)test(`row276 ${tag} legacy inner timeout cleans
  const h=host(t),records=join(h.hc,'legacy-pids'),files=[join(h.hc,'session-pids'),records];
  put(join(h.hc,'session-mode'),mode);
  const file=join(h.dir,'blocked.mjs');put(file,blockingQuerySource(records,'signals')+'\nloadSystem();');
-  const capture=cleanupFixture(t,files),stop=fixtureGuard(t,files,4500);
-  const start=performance.now(),r=legacyCall(h,tag,[NODE,file]);capture();
+  const clock=join(h.dir,'inner-clock');put(clock,'',0o600);
+  const body=legacyBody(instrumentInnerTimer(read(SCRIPT),clock));
+  const capture=cleanupFixture(t,files),stop=fixtureGuard(t,files,4500,clock);
+  // The outer watchdog includes startup and cleanup; only the supervisor pair
+  // measures the inner budget. Seven seconds also lets the 4.5s guard expose a missing timer.
+  const start=performance.now(),r=legacyCall(h,tag,[NODE,file],{outer:7,body});capture();
  assert.equal(r.status,81,r.stdout+r.stderr);
  assert.equal(r.stderr,`case1-accept: ${tag} inner-timeout\n`);
-  assert.ok((performance.now()-start)/1000<2,mode);
+  const seconds=readProbeSeconds(read(clock)),wall=(performance.now()-start)/1000;
+  assert.ok(seconds>=0.25&&seconds<1.25,`${tag}/${mode}: inner timer ${seconds}s (wall ${wall}s)`);
+  assert.ok(wall>=seconds,`${mode}: the call contains its timer interval`);
+  t.diagnostic(`${tag}/${mode}: inner ${seconds}s; wall ${wall}s`);
  assert.deepEqual(await pollFixtureGone(files),[],mode);await stop();
 }
 });
@@ -148,6 +148,8 @@ test("the library install writes the business file, personas and slot dir, makes
  const x = world(t);
  const r = install(x);
  assert.equal(r.code, 0, r.out);
+  assert.equal(mode(join(x.dataRoot, '.deployed')), 0o444);
+  assert.deepEqual(JSON.parse(readFileSync(join(x.dataRoot, '.deployed'), 'utf8')), { instance: 'dev' });
  assert.equal(mode(x.business), 0o600);
  const doc = JSON.parse(readFileSync(x.business, "utf8"));
  for (const [instance, name] of [["bean", "Bean"], ["chet", "Chet"]]) {
@@ -494,6 +496,9 @@ function dependencyFreeClone(t) {
  for (const file of ["case2-install.sh", "case2-persona-import.mjs", "selector.sh"]) {
    cpSync(join(REPO, "scripts", file), join(clone, "scripts", file));
  }
+  mkdirSync(join(clone, 'packages/cli/src'), { recursive: true });
+  cpSync(join(REPO, 'packages/cli/src/deployment.mjs'), join(clone, 'packages/cli/src/deployment.mjs'));
+  writeJson(x.config, { dataRoot: x.dataRoot });
  // Isolate the persona step; bootstrap and business validation are covered above.
  script(join(clone, "scripts", "bootstrap.sh"), "exit 0");
  script(join(clone, "scripts", "mosaic"), "exit 0");
@@ -565,3 +570,14 @@ test('row334 install Next tells root to select proxy only when configured', t =>
  assert.equal(r.code, 0, r.out);
  assert.match(r.out, /Next: root runs case2-unit.sh[^\n]+add --proxy when the config has a proxy section/);
 });
+
+test('M3 install Next names the SSO, accounts-init and dedicated-uid steps before root re-pins with --sso', t => {
+  const x = world(t), r = install(x);
+  assert.equal(r.code, 0, r.out);
+  const done = r.out.split('\n').findIndex(l => l.startsWith('case2-install: done. .deployed names this instance'));
+  assert.ok(done >= 0, r.out);
+  assert.match(r.out.split('\n')[done], /in order \(run sheet section 7\): prepare console\.sso and its client secret slots in .+; a human runs `mosaic accounts init` as [^;]+; [^ ]+ stays a dedicated uid with a non-login shell, the only member of its primary group\.$/);
+  assert.match(r.out.split('\n')[done + 1], /^case2-install: Next: root runs case2-unit\.sh --copy [0-9a-f]{40} --business \S+ with --sso in the serve flags \(factory: --sso --send;/);
+  // The installer names the human step; it never runs it.
+  assert.equal(existsSync(join(x.configDir, 'accounts.json')), false);
+});
@@ -14,6 +14,7 @@ import { fileURLToPath } from "node:url";
 import { businessDoc, systemConfig, writeJson } from "../../business/tests/helpers.mjs";
 import { binds, prepareRun, sandboxArgv, sandboxProblem } from "../../seat/src/sandbox.mjs";
 import { tmp } from "./helpers.mjs";
+import { instrumentInnerTimer, readProbeSeconds } from "./case-inner-timing-fixture.mjs";
 import { CASE_SUDO_SESSION, recordedLivePids, killRecordedPids, fixtureGuard, cleanupFixture, pollFixtureGone, blockingQuerySource } from "./case-sudo-fixture.mjs";

 const REPO = fileURLToPath(new URL("../../../", import.meta.url));
@@ -66,7 +67,7 @@ function hub(t, { uid = UID } = {}) {
  const bin = join(root, "bin");
  const log = join(root, "systemctl.log");
  script(join(bin, "getent"), `case "$1" in
-  passwd) [ "$2" = mosaic ] && echo "mosaic:x:${uid}:${GID}::${home}:/bin/bash" ;;
+  passwd) { [ -z "$2" ] || [ "$2" = mosaic ]; } && echo "mosaic:x:${uid}:${GID}::${home}:/usr/sbin/nologin" ;;
  group) [ "$2" = "${GID}" ] && echo "mosaic:x:${GID}:" ;;
  *) exit 2 ;;
 esac`);
@@ -107,13 +108,13 @@ const libraryFlags = (h) => ["--port", "443", "--business", "acme", "--public-ho
  "--allow-user", "melanie", "--proof-header", "X-Proxy-Proof", "--proof-file", h.proof];
 const factoryFlags = () => ["--port", "443", "--business", "acme", "--tester-socket"];

-function unit(h, { profile = "library", node = USR_NODE, copy = COPY_A, extra = [], flags, env = {}, outer = ["--business", "acme"], argv } = {}) {
+function unit(h, { profile = "library", node = USR_NODE, copy = COPY_A, extra = [], flags, env = {}, outer = ["--business", "acme"], argv, script: unitScript = UNIT } = {}) {
  const serve = flags ?? (profile === "factory" ? factoryFlags() : libraryFlags(h));
  const args = argv ?? ["--user", "mosaic", "--home", h.home, ...outer, "--copy", copy, "--node", node, "--profile", profile, ...extra, "--", ...serve];
-  const r = spawnSync(UNIT, args, {
+  const r = spawnSync(unitScript, args, {
    encoding: "utf8",
    timeout: 30000,
-    env: { PATH: `${h.bin}:${process.env.PATH}`, CASE2_UNIT_DIR: h.units, CASE2_SYSTEMCTL: join(h.bin, "systemctl"), CASE2_GETENT: join(h.bin, "getent"), ...env },
+    env: { HOME: process.env.HOME, TMPDIR: process.env.TMPDIR, LANG: process.env.LANG, PATH: `${h.bin}:${process.env.PATH}`, CASE2_UNIT_DIR: h.units, CASE2_SYSTEMCTL: join(h.bin, "systemctl"), CASE2_GETENT: join(h.bin, "getent"), ...env },
  });
  return { code: r.status, out: r.stdout, err: r.stderr };
 }
@@ -197,12 +198,27 @@ for(const kind of ['sleep','signals','member']) test(`row253 C4 ${kind} query ha
  const member=join(h.root,'q ) '+String.fromCharCode(10)+'mem'),proof=join(h.root,'comm-proof');
  if(kind==='member')symlinkSync('/usr/bin/sleep',member);
  writeFileSync(join(copyDir(h),'packages/cli/src/config.mjs'),blockingQuerySource(queries,kind,member,proof));
-  const capture=cleanupFixture(t,files);const stopGuard=fixtureGuard(t,files);
-  const start=performance.now(),r=unit(h,{profile:'factory'}),seconds=(performance.now()-start)/1000;capture();
+  const clock=join(h.root,'inner-clock'),observed=join(h.root,'observed/scripts/case2-unit.sh');
+  mkdirSync(dirname(observed),{recursive:true});
+  symlinkSync(join(REPO,'scripts/selector.sh'),join(dirname(observed),'selector.sh'));
+  writeFileSync(clock,'',{mode:0o600});
+  // The 7s outer watchdog spans startup and cleanup too. Give the private copy
+  // cleanup room while retaining a separate band on the unchanged 5s inner timer.
+  const source=read(UNIT),call='query="$(tester_capture 5 7 4096';
+  assert.equal(source.split(call).length,2,'tester query budget anchor is unique');
+  script(observed,instrumentInnerTimer(source.replace(call,call.replace(' 5 7 ',' 5 15 ')),clock));
+  const capture=cleanupFixture(t,files);const stopGuard=fixtureGuard(t,files,9500,clock);
+  const start=performance.now(),r=unit(h,{profile:'factory',script:observed,env:{
+   CASE2_BUS_TEMPLATE:BUS_TEMPLATE,CASE2_WEBUI_TEMPLATE:WEBUI_TEMPLATE,
+   CASE2_PROXY_TEMPLATE:join(REPO,'packages/cli/systemd/mosaic-proxy.service.in'),
+  }}),wall=(performance.now()-start)/1000;capture();
  refuses(r,/^case2-unit: tester config query inner-timeout\n$/);
+  const seconds=readProbeSeconds(read(clock));
  const [queryPid,querySid]=read(queries).trim().split('\n')[0].trim().split(/\s+/).map(Number);
-  assert.equal(queryPid,querySid,`${kind}/${mode}: direct query PID must equal its kernel SID`);
-  assert.ok(seconds<7,`${kind}/${mode}: ${seconds}s exceeds outer bound`);
+  assert.notEqual(queryPid,querySid,`${kind}/${mode}: query runs below the trusted session leader`);
+  assert.ok(seconds>=4.25&&seconds<5.75,`${kind}/${mode}: inner timer ${seconds}s (wall ${wall}s)`);
+  assert.ok(wall>=seconds,`${mode}: the call contains its timer interval`);
+  t.diagnostic(`${kind}/${mode}: inner ${seconds}s; wall ${wall}s`);
  assert.deepEqual(await pollFixtureGone(files),[],mode);
  if(kind==='member')assert.ok(read(proof).includes('('+member.split('/').at(-1)+') '),'member comm with newline and closing parenthesis was observed');
  assert.equal(existsSync(h.log),false,mode);await stopGuard();
@@ -240,24 +256,39 @@ test('row253 C4 inline supervisor is byte-identical in both host scripts',()=>{
 });

 test('row253 C4 cleanup budget starts after inventory pass one',()=>{
- // A deterministic clock models a slow inventory without host-load timing.
- // All process reads and signals are stand-ins; no real PID is signalled.
+ // Run the shipped cleanup with a deterministic slow inventory/clock. Every
+ // kernel operation is replaced before execution; no real PID is signalled.
 const source=read(UNIT);
- const body=source.slice(source.indexOf('stat_fields() {'),source.indexOf('finish() {'));
+ const program=/\/usr\/bin\/python3 -I -S -c '\n([\s\S]*?)\n' "\$child"/.exec(source)?.[1];
+ assert.ok(program,'fixed cleanup program exists');
+ const anchor='\ntry:\n';
+ assert.equal(program.split(anchor).length,2,'cleanup loop anchor is unique');
 const standins=`
-child=424242; sleep_bin=:; seen=0; clocks=0; kills=0
-stat_fields() {
- seen=$((seen+1)); ST_STATE=R; ST_SESSION=0
- [ "$seen" != 1 ] || ST_SESSION="$child"
- return 0
-}
-clock_cs() { clocks=$((clocks+1)); CLOCK_CS=$((clocks*1000)); }
-kill() { kills=$((kills+1)); return 0; }
-clean_session; rc=$?
-printf '%s' "$kills"
-exit "$rc"
+from types import SimpleNamespace
+alive = True
+kills = 0
+clock = time.monotonic()
+
+def inventory(path):
+    global clock
+    clock += 1000
+    return ["999"]
+
+def fake_fields(pid):
+    return (b"T", session) if pid == "self/fd/42" else ((b"R", session) if alive else None)
+
+def send(fd, sig):
+    global alive, kills
+    if sig == 9:
+        alive = False
+        kills += 1
+
+fields = fake_fields
+os = SimpleNamespace(listdir=inventory, pidfd_open=lambda pid: 17, close=lambda fd: None)
+signal = SimpleNamespace(SIGKILL=9, SIGCONT=18, pidfd_send_signal=send)
+time = SimpleNamespace(monotonic=lambda: clock, sleep=lambda seconds: None)
 `;
- const r=spawnSync('/bin/bash',['-c',body+standins],{encoding:'utf8'});
+ const r=spawnSync('/usr/bin/python3',['-I','-S','-c',program.replace(anchor,standins+'\n'+anchor)+'\nprint(kills,end="")','424242','42'],{encoding:'utf8'});
 assert.equal(r.status,0,r.stderr);assert.equal(r.stdout,'1');
 });

@@ -364,7 +395,7 @@ test("the unit takes --org or --business on either side of --, renders --busines
 test("the unit refuses a bad selector in either scope, and an outer and serve pair that differ, before writing a unit", (t) => {
  const h = hub(t);
  const serve = ["--port", "443", "--business", "acme"];
-  const usage = "usage: case2-unit.sh --user NAME --home DIR --business ID --copy ID --node PATH [--profile factory|library] [--proxy] [--pm] [--claude PATH] -- SERVE FLAGS\n";
+  const usage = "usage: case2-unit.sh [--check|--check-new] --user NAME --home DIR --business ID --copy ID --node PATH [--profile factory|library] [--proxy] [--pm] [--claude PATH] -- SERVE FLAGS\n";
  const head = ["--user", "mosaic", "--home", h.home, "--copy", COPY_A, "--node", USR_NODE, "--profile", "factory"];
  for (const [label, argv, code, err] of [
    ["outer unequal, old first", [...head, "--business", "acme", "--org", "beta", "--", ...serve], 4, "case2-unit: --business acme and --org beta conflict\n"],
@@ -415,6 +446,8 @@ test("the read-only library profile explicitly refuses --send before writing a u
 test("PATH starts with the --node directory, for a node outside the default list and for /usr/bin/node", (t) => {
  const h = hub(t);
  const node = outsideNode();
+  // This metadata-only test uses a root-owned executable as a path stand-in.
+  writeFileSync(join(h.root, 'query-output'), JSON.stringify({ dataRoot: h.dataRoot, socket: true })); writeFileSync(join(h.root, 'query-status'), '0');
  assert.equal(unit(h, { node }).code, 0);
  for (const f of [busFile(h), webuiFile(h)]) assert.deepEqual(lines(read(f), "Environment"), [`PATH=${dirname(node)}:/usr/local/bin:/usr/bin:/bin`]);
  assert.match(lines(read(webuiFile(h)), "ExecStart")[0], new RegExp(`^${node} `));
@@ -550,6 +583,7 @@ test("a --node that is relative, not root-owned or under <home> refuses", (t) =>
 test("a re-install with a different --node or different serve flags refuses", (t) => {
  const h = hub(t);
  assert.equal(unit(h).code, 0);
+  writeFileSync(join(h.root, 'query-output'), JSON.stringify({ dataRoot: h.dataRoot, socket: true })); writeFileSync(join(h.root, 'query-status'), '0');
  // A new node moves PATH too, so the installed unit fails its own Environment= check first.
  refuses(unit(h, { node: outsideNode() }), /installed .*: the Environment= lines must be exactly/);
  const flags = libraryFlags(h).map((f) => (f === "melanie" ? "someone" : f));
@@ -705,7 +739,9 @@ test("#415 factory --sso refuses before any unit write when the stack user's con
  noUnits(h);
 });

-test("#416 library still refuses --sso, alone and with --send, before writing a unit", (t) => {
+// M3 (#1873; Jason's ruling 2026-11-10): only an unstamped library copy keeps proxy preview. The
+// stamped copies below sign in through SSO accounts.
+test("#416 an unstamped library copy still refuses --sso, alone and with --send, before writing a unit", (t) => {
  const h = hub(t);
  ssoConfig(h);
  refuses(unit(h, { flags: [...libraryFlags(h), "--sso"] }), /refusing --sso: the Console signs people in through the proxy/);
@@ -713,6 +749,233 @@ test("#416 library still refuses --sso, alone and with --send, before writing a
  noUnits(h);
 });

+// ---- M3 (#1873): stamped copies ----
+// A stamped copy (stack-copy.sh's read-only .stack-build.json) serves only with --sso, console.sso,
+// an accounts.json that loads and a .deployed naming the default instance. The render asks the
+// stack user's copy through the bounded sudo query, with the copy's real deployment.mjs and
+// organization accounts.mjs, and refuses before any write, naming every missing step in order.
+// No real host, config or credential: the issuer is on .invalid and nothing connects to it.
+const ISSUER = "https://idp.invalid/a";
+const STAMP_ACCOUNTS = { accountsVersion: 1, revision: 1, users: [{ id: "u-000000000001", subjects: [{ provider: "a", sub: "owner" }], name: "Owner", instanceRole: "operator", state: "active", authGen: 1, created: "2026-11-10T00:00:00Z" }], memberships: [], invites: [] };
+const accountsFile = (h) => join(h.home, ".config", "mosaic-dev", "accounts.json");
+const deployedFile = (h) => join(h.dataRoot, ".deployed");
+function stamp(h, id = COPY_A) {
+  const dir = copyDir(h, id);
+  cpSync(join(REPO, "packages/cli/src/deployment.mjs"), join(dir, "packages/cli/src/deployment.mjs"));
+  for (const pkg of ["organization", "seat"]) symlinkSync(join(REPO, "packages", pkg), join(dir, "packages", pkg));
+  writeFileSync(join(dir, ".stack-build.json"), JSON.stringify({ commit: id }) + "\n");
+  chmodSync(join(dir, ".stack-build.json"), 0o444);
+}
+const stampSso = (h) => writeJson(h.query, { dataRoot: h.dataRoot, console: { sso: { publicOrigin: "https://console.invalid", providers: [{ id: "a", issuer: ISSUER }] } } });
+function stampAccounts(h, doc = STAMP_ACCOUNTS) {
+  writeFileSync(accountsFile(h), JSON.stringify(doc));
+  chmodSync(accountsFile(h), 0o600);
+}
+function stampDeployed(h, instance = "dev") {
+  writeFileSync(deployedFile(h), JSON.stringify({ instance }) + "\n");
+  chmodSync(deployedFile(h), 0o444);
+}
+function stamped(t, { sso = true, accounts = true, deployed = true } = {}) {
+  const h = hub(t);
+  stamp(h);
+  if (sso) stampSso(h);
+  if (accounts) stampAccounts(h);
+  if (deployed) stampDeployed(h);
+  return h;
+}
+const STAMP_LIBRARY = ["--port", "443", "--business", "acme", "--sso"];
+const STAMP_FACTORY = ["--port", "443", "--business", "acme", "--tester-socket", "--sso", "--send"];
+const STEP = {
+  deployed: (h) => `check or create .deployed: mosaic runs case2-install.sh, whose deployment step writes ${h.dataRoot}/.deployed`,
+  deployedBad: (h) => `check .deployed: ${h.dataRoot}/.deployed is invalid or names another instance; case2-install.sh's deployment step reports why and never replaces it`,
+  sso: (h) => `prepare SSO: console.sso in mosaic's system config ${h.home}/.config/mosaic-dev/config.json, with its client secret slots`,
+  accounts: (h) => `run \`mosaic accounts init\` as mosaic, a human verb: no ${accountsFile(h)}`,
+  accountsBad: (h) => `fix ${accountsFile(h)}: it does not load (its owner or mode, an active operator, or a subject console.sso does not name); a human fixes it with the accounts verbs`,
+  library: () => "add --sso to the serve flags, then re-pin",
+  factory: () => "add --sso --send to the serve flags, then re-pin",
+};
+// The exact refusal: one header line, then the steps numbered in the run sheet's order.
+function refusesSteps(h, r, steps) {
+  assert.equal(r.code, 1, `expected a refusal, got ${r.code}: ${r.out}${r.err}`);
+  const want = [`case2-unit: refusing the units for ${COPY_A}: a stamped copy's Console starts only with SSO accounts; missing steps, in order:`, ...steps.map((s, i) => `  ${i + 1}. ${s(h)}`)].join("\n") + "\n";
+  assert.equal(r.err, want);
+}
+// Nothing the render must not write: no unit, no systemctl, and none of the prerequisites.
+function wroteNothing(h, { accounts = false, deployed = false } = {}) {
+  noUnits(h);
+  assert.equal(existsSync(accountsFile(h)), accounts, "the render never writes accounts.json");
+  assert.equal(existsSync(deployedFile(h)), deployed, "the render never writes .deployed");
+}
+
+test("M3 a stamped library unit renders only with --sso and the prerequisites, and runs the Console without proxy preview", (t) => {
+  const h = stamped(t);
+  const r = unit(h, { flags: STAMP_LIBRARY });
+  assert.equal(r.code, 0, r.out + r.err);
+  const webui = read(webuiFile(h));
+  assert.deepEqual(lines(webui, "ExecStart"), [`${USR_NODE} ${copyDir(h)}/packages/webui/src/cli.mjs serve --port 443 --business acme --sso`]);
+  assert.doesNotMatch(webui.split("\n").filter((l) => !l.startsWith("#")).join("\n"), /--public-host|--auth-header|--allow-user|--proof-header|--proof-file|--send/);
+  assert.deepEqual(lines(read(busFile(h)), "ExecStart"), [`${copyDir(h)}/scripts/mosaic bus start %i`]);
+  // The prerequisites were asked as the stack user, through the copy's own modules.
+  const sudo = read(h.sudoLog);
+  assert.match(sudo, new RegExp(`^-u mosaic -H env -i HOME=${h.home} PATH=`, "m"));
+  assert.match(sudo, /a\.loadAccounts\(.*d\.assertDeployed\(s,dir\)/);
+  assert.ok(sudo.includes(`${copyDir(h)}/packages/organization/src/accounts.mjs`));
+  assert.match(r.out, /enabled and started mosaic-bus@acme\.service, then mosaic-webui\.service\n$/);
+  // The render read them and left each as it was.
+  assert.deepEqual(JSON.parse(read(accountsFile(h))), STAMP_ACCOUNTS);
+  assert.equal(statSync(deployedFile(h)).mode & 0o777, 0o444);
+});
+
+test("M3 a stamped library unit refuses proxy-preview admission, its proof and --send, before any write", (t) => {
+  const h = stamped(t);
+  for (const [flag, value] of [["--public-host", "books.example"], ["--auth-header", "X-Auth-User"], ["--allow-user", "melanie"], ["--proof-header", "X-Proxy-Proof"], ["--proof-file", h.proof]]) {
+    const r = unit(h, { flags: [...STAMP_LIBRARY, flag, value] });
+    assert.equal(r.code, 1, flag);
+    assert.equal(r.err, `case2-unit: refusing ${flag}: ${COPY_A} is a stamped copy, and proxy-preview admission and its proof do not apply to a stamped copy; its Console signs in through SSO accounts with --sso\n`);
+  }
+  // The whole old preview set refuses at its first flag, with or without --sso.
+  refuses(unit(h, { flags: libraryFlags(h) }), /refusing --public-host: .* is a stamped copy, and proxy-preview admission and its proof do not apply/);
+  refuses(unit(h, { flags: [...STAMP_LIBRARY, "--send"] }), /the library profile is read-only; refusing --send \(a stamped library Console signs in with --sso and stays read-only\)/);
+  wroteNothing(h, { accounts: true, deployed: true });
+  assert.equal(existsSync(h.sudoLog), false, "a flag refusal comes before any query");
+});
+
+test("M3 a stamped library unit without its prerequisites refuses before any write and names every missing step in order", (t) => {
+  const none = stamped(t, { sso: false, accounts: false, deployed: false });
+  refusesSteps(none, unit(none, { flags: ["--port", "443", "--business", "acme"] }), [STEP.deployed, STEP.sso, STEP.accounts, STEP.library]);
+  wroteNothing(none);
+  refusesSteps(none, unit(none, { flags: STAMP_LIBRARY }), [STEP.deployed, STEP.sso, STEP.accounts]);
+  wroteNothing(none);
+  // Each prerequisite alone.
+  for (const [name, opts, steps] of [
+    ["no .deployed", { deployed: false }, [STEP.deployed]],
+    ["no console.sso", { sso: false }, [STEP.sso]],
+    ["no accounts.json", { accounts: false }, [STEP.accounts]],
+  ]) {
+    const h = stamped(t, opts);
+    refusesSteps(h, unit(h, { flags: STAMP_LIBRARY }), steps);
+    wroteNothing(h, { accounts: opts.accounts !== false, deployed: opts.deployed !== false });
+  }
+  const flagless = stamped(t);
+  refusesSteps(flagless, unit(flagless, { flags: ["--port", "443", "--business", "acme"] }), [STEP.library]);
+  wroteNothing(flagless, { accounts: true, deployed: true });
+});
+
+test("M3 a stamped copy refuses an invalid .deployed or accounts.json with the step that names it", (t) => {
+  const cases = [
+    [".deployed names another instance", (h) => { rmSync(deployedFile(h)); stampDeployed(h, "other"); }, [STEP.deployedBad]],
+    [".deployed writable", (h) => chmodSync(deployedFile(h), 0o644), [STEP.deployedBad]],
+    [".deployed broken link", (h) => { rmSync(deployedFile(h)); symlinkSync(join(h.root, "missing"), deployedFile(h)); }, [STEP.deployedBad]],
+    ["accounts without an active operator", (h) => stampAccounts(h, { ...STAMP_ACCOUNTS, users: [{ ...STAMP_ACCOUNTS.users[0], state: "disabled" }] }), [STEP.accountsBad]],
+    ["accounts subject on an unconfigured provider", (h) => stampAccounts(h, { ...STAMP_ACCOUNTS, users: [{ ...STAMP_ACCOUNTS.users[0], subjects: [{ provider: "b", sub: "owner" }] }] }), [STEP.accountsBad]],
+    ["accounts writable by group", (h) => chmodSync(accountsFile(h), 0o620), [STEP.accountsBad]],
+    ["accounts broken link", (h) => { rmSync(accountsFile(h)); symlinkSync(join(h.root, "missing"), accountsFile(h)); }, [STEP.accountsBad]],
+  ];
+  for (const [name, change, steps] of cases) {
+    for (const [profile, flags] of [["library", STAMP_LIBRARY], ["factory", STAMP_FACTORY]]) {
+      const h = stamped(t);
+      change(h);
+      refusesSteps(h, unit(h, { profile, flags }), steps);
+      noUnits(h);
+    }
+  }
+});
+
+test("M3 a stamped factory or Case 1 unit renders only with --sso --send and the prerequisites, and names each missing step", (t) => {
+  const h = stamped(t);
+  const r = unit(h, { profile: "factory", flags: STAMP_FACTORY });
+  assert.equal(r.code, 0, r.out + r.err);
+  assert.deepEqual(lines(read(webuiFile(h)), "ExecStart"), [`${USR_NODE} ${copyDir(h)}/packages/webui/src/cli.mjs serve ${STAMP_FACTORY.join(" ")}`]);
+  const none = stamped(t, { sso: false, accounts: false, deployed: false });
+  refusesSteps(none, unit(none, { profile: "factory" }), [STEP.deployed, STEP.sso, STEP.accounts, STEP.factory]);
+  wroteNothing(none);
+  refusesSteps(none, unit(none, { profile: "factory", flags: STAMP_FACTORY }), [STEP.deployed, STEP.sso, STEP.accounts]);
+  wroteNothing(none);
+  // A stamped copy without the flag pair names it as the last step, with the prerequisites present.
+  const flagless = stamped(t);
+  refusesSteps(flagless, unit(flagless, { profile: "factory" }), [STEP.factory]);
+  refusesSteps(flagless, unit(flagless, { profile: "factory", flags: [...factoryFlags(), "--send"] }), [STEP.factory]);
+  wroteNothing(flagless, { accounts: true, deployed: true });
+  // The pair stays a pair: --sso alone still refuses, as for an unstamped copy.
+  refuses(unit(flagless, { profile: "factory", flags: [...factoryFlags(), "--sso"] }), /refusing --sso without --send in the factory profile/);
+  noUnits(flagless);
+});
+
+test("M3 a stamped copy's query refuses on noise or a failed query, before any write", (t) => {
+  // The copy's accounts module stands in for the stack user's code: noise on stdout, a failed exit.
+  for (const [body, pattern] of [
+    ['console.log("forged");export const loadAccounts=()=>{};', /stamped copy query has invalid facts/],
+    ["process.exit(1);export const loadAccounts=()=>{};", /stamped copy query inner-command/],
+  ]) {
+    const h = stamped(t);
+    const org = join(copyDir(h), "packages/organization");
+    rmSync(org);
+    mkdirSync(join(org, "src"), { recursive: true });
+    writeFileSync(join(org, "src/accounts.mjs"), body);
+    refuses(unit(h, { flags: STAMP_LIBRARY }), pattern);
+    noUnits(h);
+  }
+});
+
+// #1873 M3: stack-upgrade.sh checks each render before it stops anything. --check runs a render's
+// checks, the installed units' included, and writes nothing; --check-new skips only the installed
+// units' checks, for --next-args, which moves them aside before its render.
+const checkArgv = (h, { mode = "--check", profile = "library", copy = COPY_A, flags } = {}) =>
+  [mode, "--user", "mosaic", "--home", h.home, "--business", "acme", "--copy", copy, "--node", USR_NODE, "--profile", profile, "--",
+    ...(flags ?? (profile === "factory" ? factoryFlags() : libraryFlags(h)))];
+const unitsNow = (h) => [busFile(h), webuiFile(h)].map((f) => (existsSync(f) ? read(f) : null));
+const logNow = (h) => (existsSync(h.log) ? read(h.log) : "");
+
+test("#1873 --check passes on a matching install and on a first install, refuses an edited unit, and never writes or calls systemctl", (t) => {
+  const h = hub(t);
+  const empty = unit(h, { argv: checkArgv(h) });
+  assert.equal(empty.code, 0, empty.out + empty.err);
+  assert.equal(empty.out, `case2-unit: check passed: the units for copy ${COPY_A} render, and the installed ones match them; nothing was written\n`);
+  noUnits(h);
+  assert.equal(unit(h).code, 0);
+  const units = unitsNow(h), log = logNow(h);
+  for (const copy of [COPY_A, COPY_B]) {
+    const r = unit(h, { argv: checkArgv(h, { copy }) });
+    assert.equal(r.code, 0, r.out + r.err);
+    assert.deepEqual(unitsNow(h), units, copy);
+    assert.equal(logNow(h), log, `${copy}: no systemctl call`);
+  }
+  // The installed-unit match stays: an edit, or other serve flags, refuses as the render would.
+  writeFileSync(busFile(h), units[0].replace(/^Description=.*$/m, "Description=edited"));
+  refuses(unit(h, { argv: checkArgv(h, { copy: COPY_B }) }), /differs from the render in more than the copy id/);
+  writeFileSync(busFile(h), units[0]);
+  const flags = libraryFlags(h).map((f) => (f === "melanie" ? "someone" : f));
+  refuses(unit(h, { argv: checkArgv(h, { copy: COPY_B, flags }) }), /installed .*: ExecStart= must be exactly once/);
+  assert.deepEqual(unitsNow(h), units);
+  assert.equal(logNow(h), log);
+});
+
+for (const profile of ["library", "factory"]) {
+  test(`#1873 an installed pre-M3 ${profile} unit: --check and the render refuse a stamped copy's SSO flags, and --check-new passes with the prerequisites, writing nothing`, (t) => {
+    const h = hub(t);
+    assert.equal(unit(h, { profile }).code, 0);
+    stamp(h, COPY_B);
+    stampSso(h);
+    stampAccounts(h);
+    stampDeployed(h);
+    const flags = profile === "factory" ? STAMP_FACTORY : STAMP_LIBRARY;
+    const units = unitsNow(h), log = logNow(h);
+    refuses(unit(h, { argv: checkArgv(h, { profile, copy: COPY_B, flags }) }), /installed .*: ExecStart= must be exactly once/);
+    refuses(unit(h, { profile, copy: COPY_B, flags }), /installed .*: ExecStart= must be exactly once/);
+    const r = unit(h, { argv: checkArgv(h, { mode: "--check-new", profile, copy: COPY_B, flags }) });
+    assert.equal(r.code, 0, r.out + r.err);
+    assert.equal(r.out, `case2-unit: check passed: the units for copy ${COPY_B} render as a first install; the installed ones were not compared; nothing was written\n`);
+    // --check-new still runs the stamped copy's checks: the old flags, or a missing prerequisite, refuse.
+    refuses(unit(h, { argv: checkArgv(h, { mode: "--check-new", profile, copy: COPY_B }) }), /a stamped copy's Console starts only with SSO accounts|is a stamped copy, and proxy-preview admission/);
+    rmSync(accountsFile(h));
+    refuses(unit(h, { argv: checkArgv(h, { mode: "--check-new", profile, copy: COPY_B, flags }) }), /run `mosaic accounts init` as mosaic, a human verb/);
+    assert.deepEqual(unitsNow(h), units);
+    assert.equal(logNow(h), log, "no systemctl call");
+    assert.equal(existsSync(accountsFile(h)), false, "the check never writes accounts.json");
+    assert.equal(statSync(deployedFile(h)).mode & 0o777, 0o444);
+  });
+}
+
 test("row253 factory refuses retired TCP and a value after the socket marker", (t) => {
  const h = hub(t);
  refuses(unit(h, { profile: "factory", flags: ['--port','443','--business','acme','--tester-port','7333'] }), /case2-unit.sh retires tester TCP; use --tester-socket/);
@@ -1320,3 +1583,26 @@ test('row334 proxy installed path rejects symlink and non-regular file', t => {
  mkdirSync(proxyFile(h));
  refuses(proxyUnit(h), /is not a regular file/);
 });
+
+// M3: the managed uid is a dedicated non-login service identity. These are
+// database fixtures only: no real passwd/group or instance directories change.
+test('M3 dedicated host account: login shells, other primary/group members and wrong directory owners refuse', t => {
+ for (const [kind, shell, extraPasswd, members] of [
+  ['human login','/bin/bash','',''], ['interactive seat','/usr/bin/zsh','',''],
+  ['another primary member','/usr/sbin/nologin',`human:x:${UID+1}:${GID}::/fictional:/bin/bash`,''],
+  ['supplementary primary-group member','/usr/sbin/nologin','','human'],
+ ]) {
+  const h = hub(t);
+  script(join(h.bin,'getent'), `case "$1" in
+ passwd) echo 'mosaic:x:${UID}:${GID}::${h.home}:${shell}'; [ -n "$2" ] || echo '${extraPasswd}';;
+ group) echo 'mosaic:x:${GID}:${members}';;
+ esac`);
+  const r = unit(h); assert.notEqual(r.code,0,kind); assert.match(r.err,/non-login|sole.member/,kind); assert.equal(existsSync(webuiFile(h)),false);
+ }
+ const h = hub(t); for (const flag of ['--dev-local-owner','--dev-insecure-bind','--dev-allow-host']) { const r = unit(h, { flags: [...libraryFlags(h), flag, '127.0.0.1'] }); assert.notEqual(r.code,0); assert.match(r.err,/dev-local-owner|serve flag/); }
+});
+test('M3 host config and data directories belong to the selected uid and both units use it', t => {
+ const h = hub(t); const ok = unit(h); assert.equal(ok.code,0,ok.err);
+ for (const file of [busFile(h),webuiFile(h)]) { assert.deepEqual(lines(read(file),'User'),['mosaic']); assert.deepEqual(lines(read(file),'Group'),['mosaic']); }
+ const wrong = hub(t,{uid:UID+1}); const r = unit(wrong); assert.notEqual(r.code,0); assert.match(r.err,/owned by.*uid|directory.*owner/);
+});
@@ -0,0 +1,129 @@
+// #1873 T1 follow-up (org-defscan): a definition that holds a credential the bus holds refuses at
+// launch (the launch check asks the bus before a contract exists) and at `mosaic bus start`, and the
+// value reaches no refusal, record or log.
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import { existsSync, mkdirSync, readdirSync, readFileSync, writeFileSync } from 'node:fs';
+import { join } from 'node:path';
+import { spawnSync } from 'node:child_process';
+import { fileURLToPath } from 'node:url';
+import { createLauncher } from '../src/launcher.mjs';
+import { bootConfig, loadSystem } from '../src/config.mjs';
+import { readBootStatus, bootEventsFile } from '../src/boot-status.mjs';
+import { hostFile } from '../src/host.mjs';
+import { startBroker } from '../../bus/src/runtime.mjs';
+import { initializeControl } from '../../processing-control/src/state.mjs';
+import { launchLogFile } from '../../seat/src/session.mjs';
+import { entryFromTemplate, readTemplate } from '../../organization/src/definitions.mjs';
+import { reserveOrg, activateOrg } from '../../organization/src/org-registry.mjs';
+import { REPO_ROLES, writeJson } from '../../organization/tests/helpers.mjs';
+import { fixture, notifyConfig, tmp, withoutHostCredentials } from './helpers.mjs';
+
+// The fixture bus holds SENTINEL as coder's gitea token.
+const SENTINEL = 'sk-test-NOT-A-SECRET-1234';
+const CLI = fileURLToPath(new URL('../src/cli.mjs', import.meta.url));
+
+function files(dir) {
+  if (!existsSync(dir)) return [];
+  return readdirSync(dir, { withFileTypes: true }).flatMap((e) => e.isDirectory() ? files(join(dir, e.name)) : e.isFile() ? [join(dir, e.name)] : []);
+}
+const withBuilder = (builder) => (doc) => ({ ...doc, definitions: { builder }, roles: { ...doc.roles, coder: { ...doc.roles.coder, definition: 'org:builder' } } });
+
+test('org-defscan: a file edited after start to hold a held credential refuses the next launch of an instance naming it; a template launch still works', async (t) => {
+  const root = tmp(t);
+  const f = fixture(root, 'acme', withBuilder(entryFromTemplate(readTemplate(REPO_ROLES, 'coder'))));
+  const file = join(root, 'config/businesses/acme.json');
+  writeFileSync(f.doc.roles.coder.credentials.gitea.file, SENTINEL);
+  withoutHostCredentials(f.env, { piKey: true });
+  initializeControl(f.dataRoot);
+  const boot = bootConfig({ system: loadSystem({ env: f.env }), businessId: 'acme', env: f.env });
+  const bus = await startBroker({ dataRoot: f.dataRoot, businesses: boot.businesses, organization: boot.organization });
+  t.after(() => bus.close());
+  // The real host's op path for the scan, over a structured clone as IPC carries it; the fixture
+  // stops at authorization, so "reached authorizeLaunch" is "would have launched".
+  const ops = [];
+  const host = { business: 'acme', beforeClose: () => {}, op: async (x) => {
+    ops.push(x.op);
+    if (x.op === 'identity') return { business: 'acme', role: 'pm' };
+    if (x.op === 'mayLaunch') return { allow: true };
+    if (x.op === 'authorizeLaunch') throw Object.assign(Error('fixture authorization stop'), { code: 'fixture-policy' });
+    if (x.op === 'definitionScan') return structuredClone(bus.definitionScan(structuredClone({ business: x.business, definition: x.definition, entry: x.entry })));
+    return {};
+  } };
+  const launcher = createLauncher({ host, system: JSON.parse(readFileSync(f.config, 'utf8')), env: f.env, bwrap: '/usr/bin/true', log: () => {} });
+  t.after(() => launcher.close?.());
+
+  // Clean: the scan passes and the launch reaches authorization.
+  assert.equal((await launcher.fromSession('fixture-cap', 'coder')).error, 'fixture-policy');
+  assert.ok(ops.includes('definitionScan'));
+
+  // Edited by hand while the bus runs.
+  const doc = JSON.parse(readFileSync(file, 'utf8'));
+  doc.definitions.builder.instructions += `\nThe forge token is ${SENTINEL}.\n`;
+  writeJson(file, doc);
+  ops.length = 0;
+  assert.deepEqual(await launcher.fromSession('fixture-cap', 'coder'), { ok: false, error: 'definition-holds-credential' });
+  assert.ok(!ops.includes('authorizeLaunch'), 'nothing launches');
+  const event = JSON.parse(readFileSync(launchLogFile(f.dataRoot, 'acme'), 'utf8').trim().split('\n').at(-1));
+  assert.equal(event.code, 'definition-holds-credential');
+  assert.equal(event.instance, 'coder');
+  assert.match(event.why, /coder's definition org:builder holds a credential in instructions/);
+
+  // A personality field is checked the same way.
+  doc.definitions.builder.instructions = doc.definitions.builder.instructions.replace(SENTINEL, 'REDACTED');
+  doc.definitions.builder.personality = { summary: 'Plain.', voice: `Signs off with ${SENTINEL}` };
+  writeJson(file, doc);
+  assert.deepEqual(await launcher.fromSession('fixture-cap', 'coder'), { ok: false, error: 'definition-holds-credential' });
+  assert.match(JSON.parse(readFileSync(launchLogFile(f.dataRoot, 'acme'), 'utf8').trim().split('\n').at(-1)).why, /in personality\.voice$/);
+
+  // An instance on a shipped template launches as before, and asks no scan.
+  ops.length = 0;
+  assert.equal((await launcher.fromSession('fixture-cap', 'reviewer')).error, 'fixture-policy');
+  assert.ok(!ops.includes('definitionScan'));
+
+  // The value reached no record the bus or the launcher wrote.
+  for (const path of files(f.dataRoot)) assert.ok(!readFileSync(path).includes(SENTINEL), path);
+});
+
+// A bootstrapped instance with an active organization whose file names org:builder.
+async function orgFixture(t, builder) {
+  const root = tmp(t, 'o-');
+  const f = fixture(root, 'acme', withBuilder(builder));
+  const configDir = join(root, '.config', 'mosaic-boot');
+  const env = { ...f.env, HOME: root, MOSAIC_CONFIG: join(configDir, 'config.json') };
+  const bootstrap = spawnSync(join(process.cwd(), 'scripts/bootstrap.sh'), ['--instance', 'boot'], { env, encoding: 'utf8' });
+  assert.equal(bootstrap.status, 0, bootstrap.stderr);
+  mkdirSync(join(configDir, 'businesses'), { recursive: true, mode: 0o700 });
+  const file = join(configDir, 'businesses', 'acme.json');
+  writeFileSync(file, readFileSync(join(root, 'config/businesses/acme.json')), { mode: 0o600 });
+  writeFileSync(f.doc.roles.coder.credentials.gitea.file, SENTINEL);
+  const dataRoot = join(root, '.mosaic-boot');
+  const ctx = { configDir, dataRoot, instance: 'boot' };
+  const org = await reserveOrg(ctx, 'acme');
+  await activateOrg(ctx, 'acme');
+  // A notifier config, so a start that passes the load goes on to start the broker.
+  notifyConfig(org.root, 'acme', null);
+  return { env, file, dataRoot, orgRoot: org.root };
+}
+
+test('org-defscan: mosaic bus start refuses a held credential in a definition, records why, and the value is nowhere', async (t) => {
+  const builder = entryFromTemplate(readTemplate(REPO_ROLES, 'coder'));
+  const o = await orgFixture(t, { ...builder, instructions: `${builder.instructions}\nThe forge token is ${SENTINEL}.\n` });
+  const run = (...args) => spawnSync(process.execPath, [CLI, ...args], { env: o.env, encoding: 'utf8', timeout: 60000 });
+  const r = run('bus', 'start', 'acme', '--detach', '--no-launch');
+  // Should a start get through (it must not), stop it before the fixture's directory goes.
+  if (r.status === 0 || existsSync(hostFile(o.orgRoot))) run('bus', 'stop', 'acme');
+  assert.equal(r.status, 3, r.stderr);
+  assert.ok(!existsSync(join(o.orgRoot, 'bus', 'broker.sock')), 'no socket');
+  const s = readBootStatus(o.orgRoot);
+  assert.equal(s.ok, false);
+  assert.equal(s.business, 'acme');
+  assert.match(s.reason, /definition-holds-credential: definitions\.builder instructions holds a credential this bus holds/);
+  assert.equal(s.lastGood, null, 'the load that the broker then refused is not a good load');
+  const events = readFileSync(bootEventsFile(o.orgRoot), 'utf8').trim().split('\n').map(JSON.parse);
+  assert.equal(events.at(-1).event, 'bus.boot.refused');
+  const status = run('bus', 'status', 'acme', '--json');
+  assert.equal(JSON.parse(status.stdout).boot.ok, false);
+  for (const text of [r.stdout, r.stderr, status.stdout, status.stderr]) assert.ok(!text.includes(SENTINEL));
+  for (const path of files(o.dataRoot)) assert.ok(!readFileSync(path).includes(SENTINEL), path);
+});
@@ -0,0 +1,94 @@
+// M3 executable boundary: copies and instances are fixtures only, no live ports.
+import { test } from 'node:test';
+import assert from 'node:assert/strict';
+import { spawnSync } from 'node:child_process';
+import { cpSync, mkdirSync, mkdtempSync, writeFileSync, chmodSync, rmSync, symlinkSync } from 'node:fs';
+import { join } from 'node:path';
+import { tmpdir } from 'node:os';
+import { fileURLToPath } from 'node:url';
+import { fixture } from './helpers.mjs';
+const REPO = fileURLToPath(new URL('../../../', import.meta.url));
+const SHA = 'a'.repeat(40);
+function setup(t) {
+ const root = mkdtempSync(join(tmpdir(), 'db-')); t.after(() => rmSync(root, { recursive: true, force: true }));
+ const copy = join(root, SHA); mkdirSync(copy);
+ for (const dir of ['packages', 'scripts', 'roles', 'adapters']) cpSync(join(REPO, dir), join(copy, dir), { recursive: true, filter: p => !p.split('/').some(x => ['tests', 'node_modules'].includes(x)) });
+ writeFileSync(join(copy, 'package.json'), '{"type":"module"}');
+ const stamp = join(copy, '.stack-build.json'); writeFileSync(stamp, JSON.stringify({ commit: SHA }), { mode: 0o444 }); chmodSync(stamp, 0o444);
+ const f = fixture(join(root, 'instance')); const home = join(root, 'home'); const dir = join(home, '.config/mosaic-test'); mkdirSync(dir, { recursive: true });
+ const config = join(dir, 'config.json'); cpSync(f.env.MOSAIC_CONFIG, config);
+ writeFileSync(join(f.dataRoot, 'instance.json'), JSON.stringify({ instanceVersion: 1, name: 'test' }));
+ const env = { ...process.env, HOME: home, MOSAIC_CONFIG: config };
+ const run = (args, from = copy) => spawnSync(process.execPath, [join(from, args[0]), ...args.slice(1)], { env, encoding: 'utf8', timeout: 5000 });
+ return { root, copy, stamp, f, env, config, dir, run };
+}
+const serve = flags => ['packages/webui/src/cli.mjs', 'serve', '--port', '0', ...flags];
+test('stamped serve refuses dev owner, LAN flags, missing --sso and missing .deployed before listening', t => {
+ const s = setup(t);
+ for (const flags of [['--dev-local-owner'], ['--dev-insecure-bind','0.0.0.0'], ['--dev-allow-host','test.example'], []]) {
+  const r = s.run(serve(flags)); assert.equal(r.status, 2); assert.match(r.stderr, /stamped build/); assert.doesNotMatch(r.stdout, /Mosaic Console:/);
+ }
+ const r = s.run(serve(['--sso'])); assert.equal(r.status, 2); assert.match(r.stderr, /\.deployed/);
+ const bus = s.run(['packages/cli/src/cli.mjs','bus','start','acme','--dev-local-owner']); assert.notEqual(bus.status, 0); assert.match(bus.stderr, /stamped build/);
+});
+test('writable, linked, malformed, wrong-commit and directory stamps refuse every start', t => {
+ const s = setup(t);
+ for (const kind of ['writable','symlink','wrong','malformed','directory']) {
+  rmSync(s.stamp, { force: true, recursive: true });
+  if (kind === 'symlink') { const other = join(s.root, 'stamp'); writeFileSync(other, JSON.stringify({ commit: SHA }), { mode: 0o444 }); symlinkSync(other, s.stamp); }
+  else if (kind === 'directory') mkdirSync(s.stamp);
+  else { writeFileSync(s.stamp, kind === 'malformed' ? '{' : JSON.stringify({ commit: kind === 'wrong' ? 'b'.repeat(40) : SHA })); chmodSync(s.stamp, kind === 'writable' ? 0o644 : 0o444); }
+  for (const args of [serve([]), serve(['--sso']), ['packages/cli/src/cli.mjs','bus','start','acme']]) { const r = s.run(args); assert.notEqual(r.status, 0, kind); assert.match(r.stderr, /build stamp/, `${kind}: ${r.stderr}`); }
+ }
+});
+test('stamped serve requires 0444 metadata naming its instance and a loadable accounts file', t => {
+ const s = setup(t), file = join(s.f.dataRoot, '.deployed');
+ for (const [mode, instance] of [[0o644,'test'], [0o444,'other']]) {
+  writeFileSync(file, JSON.stringify({ instance })); chmodSync(file, mode);
+  const r = s.run(serve(['--sso'])); assert.equal(r.status, 2); assert.match(r.stderr, /\.deployed/);
+ }
+ chmodSync(file, 0o644); writeFileSync(file, JSON.stringify({ instance: 'test' })); chmodSync(file, 0o444);
+ const r = s.run(serve(['--sso'])); assert.equal(r.status, 2); assert.match(r.stderr, /accounts/);
+});
+test('checkout dev owner refuses accounts, SSO or deployment presence, including dangling links', t => {
+ const s = setup(t);
+ for (const name of ['accounts.json', '.deployed']) {
+  const file = join(name === 'accounts.json' ? s.dir : s.f.dataRoot, name); symlinkSync(join(s.root, 'missing'), file);
+  for (const args of [serve(['--dev-local-owner']), ['packages/cli/src/cli.mjs','bus','start','acme','--dev-local-owner']]) { const r = s.run(args, REPO); assert.notEqual(r.status, 0); assert.match(r.stderr, /dev-local-owner.*refuses/); }
+  rmSync(file);
+ }
+ const config = JSON.parse((awaitRead(s.config))); config.console = { sso: { publicOrigin: 'https://console.test', providers: [{ id:'pocket', issuer:'https://id.test',clientId:'test',clientSecret:{slot:'test'},algs:['RS256'],subjects:[{sub:'owner',name:'Owner'}] }] } };
+ writeFileSync(s.config, JSON.stringify(config));
+ for (const args of [serve(['--dev-local-owner']), ['packages/cli/src/cli.mjs','bus','start','acme','--dev-local-owner']]) { const r = s.run(args, REPO); assert.notEqual(r.status, 0); assert.match(r.stderr, /dev-local-owner.*refuses.*console.sso/); }
+});
+import { readFileSync as awaitRead } from 'node:fs';
+
+test('deployment writer preserves matching metadata and refuses linked or foreign destinations', t => {
+ const s = setup(t), system = { dataRoot: s.f.dataRoot }, file = join(s.f.dataRoot, '.deployed');
+ rmSync(system.dataRoot, { recursive: true, force: true });
+ writeDeployment(system, s.dir); assert.deepEqual(JSON.parse(awaitRead(file)), { instance: 'test' });
+ assert.equal(statSync(system.dataRoot).mode & 0o777, 0o700);
+ assert.equal(statSync(file).mode & 0o777, 0o444); const inode = statSync(file).ino; writeDeployment(system, s.dir); assert.equal(statSync(file).ino, inode);
+ rmSync(file); symlinkSync(join(s.root, 'absent'), file); assert.throws(() => writeDeployment(system, s.dir), /\.deployed/); rmSync(file);
+ writeFileSync(file, JSON.stringify({ instance: 'other' }), { mode: 0o444 }); assert.throws(() => writeDeployment(system, s.dir), /\.deployed/);
+});
+import { statSync } from 'node:fs';
+import { writeDeployment } from '../src/deployment.mjs';
+
+test('valid stamped accounts Console starts with --sso and answers health on its own port zero', async t => {
+ const { spawn } = await import('node:child_process');
+ const { once } = await import('node:events');
+ const { fakeOidc } = await import('../../webui/tests/helpers/fake-oidc.mjs');
+ const s = setup(t), op = await fakeOidc(); t.after(() => op.close()); const iss = op.issuer('a');
+ symlinkSync(join(REPO, 'node_modules'), join(s.copy, 'node_modules'));
+ const config = JSON.parse(awaitRead(s.config)); config.console = { sso: { publicOrigin: 'https://console.test', providers: [{ id:'a',issuer:iss.issuer,clientId:iss.clientId,clientSecret:{slot:'a'},algs:['RS256'],subjects:[{sub:'owner',name:'Owner'}] }] } };
+ writeFileSync(s.config, JSON.stringify(config)); mkdirSync(join(s.dir, 'secrets/mosaic-stack'), { recursive: true, mode: 0o700 });
+ writeFileSync(join(s.dir, 'secrets/mosaic-stack/a'), iss.clientSecret, { mode: 0o600 });
+ writeFileSync(join(s.dir, 'accounts.json'), JSON.stringify({ accountsVersion:1,revision:1,users:[{id:'u-000000000001',subjects:[{provider:'a',sub:'owner'}],name:'Owner',instanceRole:'operator',state:'active',authGen:1,created:'2026-11-10T00:00:00Z'}], memberships:[],invites:[] }), { mode: 0o600 });
+ writeDeployment({ dataRoot: s.f.dataRoot }, s.dir); const ca = join(s.root, 'ca.pem'); writeFileSync(ca, op.cert);
+ const child = spawn(process.execPath, [join(s.copy,'packages/webui/src/cli.mjs'), 'serve','--port','0','--sso','--board','http://127.0.0.1:9'], { env: { ...s.env, NODE_EXTRA_CA_CERTS: ca } });
+ let out = '', err = ''; child.stderr.on('data', c => err += c);
+ t.after(async () => { if (child.exitCode === null && child.signalCode === null) { const done = once(child, 'close'); child.kill(); await done; } });
+ await new Promise((resolve, reject) => { const timer = setTimeout(() => reject(new Error('start timeout: '+err)), 10000); child.stdout.on('data', c => { out += c; if(out.includes('Ctrl-C')) {clearTimeout(timer);resolve();} }); child.on('exit', () => {clearTimeout(timer);reject(new Error(err));}); });
+ const port = Number(out.match(/127\.0\.0\.1:(\d+)\//)[1]); assert.ok(port); assert.equal((await fetch(`http://127.0.0.1:${port}/healthz`)).status, 200);
+});
@@ -804,13 +804,27 @@ test("land: a failed gate is refused gate-failed with its step, told to the role
  assert.equal(ticket, TICKET);
  assert.equal(a.code, "gate-failed");
  assert.equal(a.notify, true);
-  assert.match(a.detail, /^pkg-bus failed, see \/.*\/bus-host\/land\/land-[0-9a-f]{12}\/pkg-bus\.log$/);
+  assert.match(a.detail, /^pkg-bus failed, see land\/land-[0-9a-f]{12}\/pkg-bus\.log in the bus host directory$/);
  assert.equal(w.git("rev-parse", "refs/heads/main"), w.main);
  assert.equal(w.git("cat-file", "-t", r.commit), "commit", "the squash was made, and only main didn't move");
  assert.deepEqual(w.of("recordLand"), []);
  assert.equal(w.trees(), 0);
 });

+// PR #1916 (org-redact5): the detail reaches the role, so it never carries the log's host
+// path; a log file name outside the id pattern is dropped too.
+test("land: a failed gate's detail names the land directory, never the log's host path", async (t) => {
+  const SENTINEL = "sk-test-NOT-A-SECRET-1234";
+  let log = null;
+  const w = await landSetup(t, { gate: { run: async ({ logs }) => ({ ok: false, step: "pkg-bus", log: (log = join(logs, SENTINEL, `${SENTINEL}.log`)) }) } });
+  await w.land();
+  await w.ended();
+  const [[, a]] = w.of("landRefused");
+  assert.equal(a.code, "gate-failed");
+  assert.match(a.detail, /^pkg-bus failed, see land\/land-[0-9a-f]{12} in the bus host directory$/);
+  assert.ok(!a.detail.includes(SENTINEL) && !a.detail.includes(log) && !a.detail.includes(w.f.dataRoot), a.detail);
+});
+
 test("land: a record the broker refuses moves main back, and the landing is refused with the broker's code", async (t) => {
  const w = await landSetup(t);
  w.state.recordFails = "decision-consumed";
@@ -315,7 +315,7 @@ test("a host.lock that goes between the check and the read is tried again; one t
  assert.deepEqual(readdirSync(hostDir(dataRoot)), ["host.lock"]);

  writeFileSync(hostLock(dataRoot), "{not json", { mode: 0o600 });
-  assert.throws(() => claimHostLock(dataRoot, mine), (e) => e.exitCode === 3 && e.message === `bus host state is unreadable: ${hostLock(dataRoot)}`);
+  assert.throws(() => claimHostLock(dataRoot, mine), (e) => e.exitCode === 3 && e.message === "bus host state is unreadable");
  assert.equal(readFileSync(hostLock(dataRoot), "utf8"), "{not json");
  assert.deepEqual(readdirSync(hostDir(dataRoot)), ["host.lock"]);
 });
@@ -749,8 +749,14 @@ test("a stale organization writer lock refuses start and status without removing
 });

 test("organization bus start refuses without a notifier config", async t => {
+  // PR #1916 (org-redact5): the refusal names the log inside the organization's
+  // runtime directory, never by host path. (A sentinel directory in the root would
+  // push the bus socket path past the socket length limit, so the check is on the
+  // fixture's own roots.)
  const f = await orgFixture(t, { notify: false });
-  await assert.rejects(busStart(f.ctx, "acme", { detach: true }), /failed to start/i);
+  await assert.rejects(busStart(f.ctx, "acme", { detach: true }), (e) => e.exitCode === 3
+    && e.message === "bus failed to start; see bus-host/host.log in the runtime directory of organization acme"
+    && !e.message.includes(f.dataRoot) && !e.message.includes(f.instanceRoot));
  assert.match(readFileSync(join(f.dataRoot, "bus-host", "host.log"), "utf8"), /no notifier config/);
  assert.equal(existsSync(join(f.dataRoot, "bus", "writer.lock")), false);
 });
@@ -21,10 +21,15 @@ function fixture(t) {
  };
  return { root, file, env, run, boot };
 }
-function redacted(result, file, status) {
+// label: the CLI refusal names the file by this label and never by host path (PR #1916).
+// scripts/mosaic-config.mjs names it by label too (#1873 redact6).
+function redacted(result, file, status, label) {
  assert.equal(result.status, status, result.stderr);
  assert.equal(result.stdout, '');
-  assert.ok(result.stderr.includes(file), result.stderr);
+  if (label) {
+    assert.ok(!result.stderr.includes(file), result.stderr);
+    assert.ok(result.stderr.includes(label), result.stderr);
+  } else assert.ok(result.stderr.includes(file), result.stderr);
  assert.match(result.stderr, /not valid JSON/);
  assert.doesNotMatch(result.stderr, /sk-test|Unexpected token/);
 }
@@ -32,22 +37,24 @@ function redacted(result, file, status) {
 test('system config parse refusal and CLI relay omit parser bytes', t => {
  const f = fixture(t);
  mkdirSync(dirname(f.file), { recursive: true }); writeFileSync(f.file, secret);
-  redacted(f.run(configScript, 'validate', '--instance', 'redacttest'), f.file, 2);
+  redacted(f.run(configScript, 'validate', '--instance', 'redacttest'), f.file, 2, 'configuration is not valid JSON (the config of instance redacttest)');
  assert.throws(() => loadSystem({ env: f.env, instance: 'redacttest' }), error => {
    assert.equal(error.exitCode, 3);
-    assert.ok(error.message.includes(f.file));
+    // #1873: the cli relay names the instance's config by label, never its path.
+    assert.ok(!error.message.includes(f.file), error.message);
+    assert.ok(error.message.includes('configuration is not valid JSON; expected readable JSON: the config of instance redacttest'), error.message);
    assert.match(error.message, /not valid JSON/);
    assert.doesNotMatch(error.message, /sk-test|Unexpected token/);
    return true;
  });
-  redacted(f.run(cli, 'org', 'config', 'validate', 'alpha'), f.file, 3);
+  redacted(f.run(cli, 'org', 'config', 'validate', 'alpha'), f.file, 3, 'configuration is not valid JSON; expected readable JSON: the system config MOSAIC_CONFIG names');
 });

 test('named instance marker parse refusal omits parser bytes', t => {
  const f = fixture(t); f.boot();
  const { dataRoot } = JSON.parse(readFileSync(f.file, 'utf8'));
  const marker = join(dataRoot, 'instance.json'); writeFileSync(marker, secret);
-  redacted(f.run(configScript, 'validate', '--instance', 'redacttest'), marker, 3);
+  redacted(f.run(configScript, 'validate', '--instance', 'redacttest'), marker, 3, "instance-root-unclaimed: the data root's instance marker is not a valid marker (not valid JSON)");
 });

 for (const operation of ['validate', 'create', 'update']) test(`org ${operation} document refusal omits parser bytes`, t => {
@@ -55,5 +62,5 @@ for (const operation of ['validate', 'create', 'update']) test(`org ${operation}
  const file = join(f.root, 'alpha.json'); writeFileSync(file, secret);
  const args = operation === 'validate' ? ['validate', file]
    : [operation, 'alpha', '--from', file, ...(operation === 'update' ? ['--if-revision', '1'] : [])];
-  redacted(f.run(cli, 'org', ...args), file, 2);
+  redacted(f.run(cli, 'org', ...args), file, 2, 'mosaic: cannot read organization document: not valid JSON\n');
 });
@@ -46,30 +46,32 @@ for (const [field, edit] of configCases) test(`config ${field} omits the configu
 test('config-command refuses system config without relaying stderr file values', t => {
 const root = scratch(t), f = fixture(root), d = JSON.parse(readFileSync(f.config, 'utf8')); d.execution.model = secret + '\n'; writeFileSync(f.config, JSON.stringify(d));
 let err = ''; const status = runConfigCommand(['validate', 'acme'], { env: f.env, stdout: { write() {} }, stderr: { write(s) { err += s; } } });
- assert.equal(status, 3); assert.match(err, /system config problem \(mosaic-config exit 2\)/); assert.ok(err.includes(f.config), err); assert.doesNotMatch(err, /sk-test|NOT-A-SECRET/); assert.match(err, /execution.model/); assert.match(err, /expected a 1-200 character name/);
+ assert.equal(status, 3); assert.match(err, /system config problem \(mosaic-config exit 2\)/); assert.ok(!err.includes(f.config), err); assert.match(err, /the system config MOSAIC_CONFIG names/); assert.doesNotMatch(err, /sk-test|NOT-A-SECRET/); assert.match(err, /execution.model/); assert.match(err, /expected a 1-200 character name/);
 });
 test('project id mismatch omits the file value in config-command', t => {
 const root = scratch(t), f = fixture(root), file = join(f.doc.projects.stack.root, '.mosaic', 'project.json');
 mkdirSync(join(f.doc.projects.stack.root, '.mosaic'));
 writeFileSync(file, JSON.stringify({ projectVersion: 1, id: secret.toLowerCase() }));
 let err = ''; const status = runConfigCommand(['validate', 'acme'], { env: f.env, stdout: { write() {} }, stderr: { write(s) { err += s; } } });
- assert.equal(status, 2); assert.ok(err.includes(file), err); assert.match(err, /id/); assert.doesNotMatch(err, /sk-test|NOT-A-SECRET/);
+ assert.equal(status, 2); assert.ok(!err.includes(file), err); assert.match(err, /project file of project stack has id that does not match the declared project key/); assert.doesNotMatch(err, /sk-test|NOT-A-SECRET/);
 });
 for (const [field, edit] of [
 ['dataRoot', d => { d.dataRoot = `/x/${secret}/../y`; }],
 ['federation.peers[0].id', d => { d.federation = { self: secret.toLowerCase(), peers: [{ id: secret.toLowerCase(), origin: 'https://peer.example', label: 'Peer' }] }; }],
-]) test(`config ${field} repeated/canonical value is omitted`, t => {
+]) test(`config ${field} repeated/canonical value ${field.endsWith(".id") ? "names the checked id" : "is omitted"}`, t => {
 const root = scratch(t), f = fixture(root), d = JSON.parse(readFileSync(f.config, 'utf8')); edit(d); writeFileSync(f.config, JSON.stringify(d));
 const r = spawnSync(process.execPath, [join(repo, 'scripts/mosaic-config.mjs'), 'validate'], { encoding: 'utf8', env: { ...f.env, PATH: process.env.PATH, HOME: process.env.HOME, TMPDIR: process.env.TMPDIR } });
- assert.equal(r.status, 2); assert.ok(r.stderr.includes(field), r.stderr); assert.doesNotMatch(r.stderr, /sk-test|NOT-A-SECRET/);
+ assert.equal(r.status, 2); assert.ok(r.stderr.includes(field), r.stderr);
+ if (field.endsWith(".id")) assert.ok(r.stderr.includes(secret.toLowerCase()), r.stderr);
+ else assert.doesNotMatch(r.stderr, /sk-test|NOT-A-SECRET/);
 });
-for (const mission of [false, true]) test(`duplicate ${mission ? 'mission' : 'task'} tool omits the validated value`, t => {
+for (const mission of [false, true]) test(`duplicate ${mission ? 'mission' : 'task'} tool names the validated value`, t => {
 const root = scratch(t), d = task();
 if (mission) { d.mission = 'mission.json'; writeFileSync(join(root, d.mission), JSON.stringify({ missionVersion: 1, id: 'valid', objective: 'hello', capabilities: { tools: ['read', 'read'] } })); }
 else d.capabilities = { tools: ['read', 'read'] };
 const file = join(root, 'task.json'); writeFileSync(file, JSON.stringify(d));
 const r = spawnSync(process.execPath, [join(repo, 'scripts/mosaic-task.mjs'), 'validate', file], { encoding: 'utf8', env: { PATH: process.env.PATH, HOME: process.env.HOME, TMPDIR: process.env.TMPDIR } });
- assert.equal(r.status, 2); assert.match(r.stderr, /duplicate tool in/); assert.doesNotMatch(r.stderr, /read/);
+ assert.equal(r.status, 2); assert.match(r.stderr, /duplicate tool in/); assert.match(r.stderr, /read/);
 });
 for (const childStderr of [secret, `mosaic-config: execution.model must match ${secret}`]) test(`config-command does not relay arbitrary child stderr${childStderr.startsWith('mosaic-config:') ? ' after a known field' : ''}`, t => {
 const root = scratch(t), file = join(root, 'config.json');
@@ -78,7 +80,7 @@ cp.spawnSync = () => ({ status: 2, stderr: ${JSON.stringify(childStderr)}, stdou
 const { runConfigCommand } = await import(${JSON.stringify(new URL('../../organization/src/config-command.mjs', import.meta.url).href)});
 process.exitCode = runConfigCommand(['validate', 'acme'], { env: { MOSAIC_CONFIG: ${JSON.stringify(file)} } });`;
 const r = spawnSync(process.execPath, ['--input-type=module', '-e', code], { encoding: 'utf8', env: { PATH: process.env.PATH, HOME: process.env.HOME, TMPDIR: process.env.TMPDIR } });
- assert.equal(r.status, 3, r.stderr); assert.ok(r.stderr.includes(file), r.stderr); assert.doesNotMatch(r.stderr, /sk-test|NOT-A-SECRET/);
+ assert.equal(r.status, 3, r.stderr); assert.ok(!r.stderr.includes(file), r.stderr); assert.match(r.stderr, /: the system config MOSAIC_CONFIG names\n$/); assert.doesNotMatch(r.stderr, /sk-test|NOT-A-SECRET/);
 });

 import { bootConfig, loadSystem } from '../src/config.mjs';
@@ -87,5 +89,19 @@ test('CLI boot project id mismatch omits the configured value and keeps exit 3',
 const root = scratch(t), f = fixture(root), file = join(f.doc.projects.stack.root, '.mosaic', 'project.json');
 mkdirSync(join(f.doc.projects.stack.root, '.mosaic'));
 writeFileSync(file, JSON.stringify({ projectVersion: 1, id: secret.toLowerCase() }));
- assert.throws(() => bootConfig({ system: loadSystem({ env: f.env }), businessId: 'acme', env: f.env }), safe(file, CliError, { exitCode: 3 }, secret.toLowerCase()));
+ assert.throws(() => bootConfig({ system: loadSystem({ env: f.env }), businessId: 'acme', env: f.env }), error => {
+  // #1873: the refusal names the project by its key, never the project file's path.
+  safe('project file of project stack has id that does not match the declared project key', CliError, { exitCode: 3 }, secret.toLowerCase())(error);
+  assert.ok(!error.message.includes(file) && !error.message.includes(f.doc.projects.stack.root), error.message);
+  return true;
+ });
+});
+
+for (const mission of [false, true]) test(`duplicate ${mission ? 'mission' : 'task'} tool rejects an unknown value before naming it`, t => {
+ const root = scratch(t), d = task();
+ if (mission) { d.mission = 'mission.json'; writeFileSync(join(root, d.mission), JSON.stringify({ missionVersion: 1, id: 'valid', objective: 'hello', capabilities: { tools: [secret, secret] } })); }
+ else d.capabilities = { tools: [secret, secret] };
+ const file = join(root, 'task.json'); writeFileSync(file, JSON.stringify(d));
+ const r = spawnSync(process.execPath, [join(repo, 'scripts/mosaic-task.mjs'), 'validate', file], { encoding: 'utf8', env: { PATH: process.env.PATH, HOME: process.env.HOME, TMPDIR: process.env.TMPDIR } });
+ assert.equal(r.status, 2); assert.match(r.stderr, /unsupported.*tool/); assert.doesNotMatch(r.stderr, /sk-test|NOT-A-SECRET/);
 });
@@ -120,7 +120,7 @@ test('row 65 the loader refusing a module refuses harness-refused and names it;
 }
 const s=await setup(t,route('throws','claude-sonnet-5-5','high'));
 assert.deepEqual(await s.launch(),{ok:false,error:'harness-failed'});
- assert.equal(s.last().why,'harness throws preflight: fixture preflight threw');
+ assert.equal(s.last().why,'harness throws preflight: threw Error without a system code');
 });

 test('row 65 a thinking level the route harness does not apply refuses thinking-unsupported, on the primary or a fallback taken',async t=>{
@@ -768,9 +768,10 @@ test("a missing or failing bwrap refuses sandbox-unavailable before anything sta
  const bad = join(given.root, "bwrap");
  writeFileSync(bad, "#!/bin/sh\necho 'bwrap: setting up uid map: Permission denied' >&2\nexit 1\n", { mode: 0o755 });
  const { f, launcher, cto } = await setup(t, undefined, given, { bwrap: bad });
-  await assert.rejects(launcher.launchPm(), (e) => e.message === `PM launch refused: sandbox-unavailable (${bad} failed: bwrap: setting up uid map: Permission denied)`);
+  // #1873: the sandbox by name, never the binary's host path.
+  await assert.rejects(launcher.launchPm(), (e) => e.message === "PM launch refused: sandbox-unavailable (the sandbox (bwrap) failed: bwrap: setting up uid map: Permission denied)");
  rmSync(bad);
-  await assert.rejects(launcher.launchPm(), (e) => e.message === `PM launch refused: sandbox-unavailable (${bad} is missing)`);
+  await assert.rejects(launcher.launchPm(), (e) => e.message === "PM launch refused: sandbox-unavailable (the sandbox (bwrap) is missing)");
  // A session's launch request gets the same code, through refuse().
  assert.deepEqual(await launcher.fromSession(cto.cap, "coder"), { ok: false, error: "sandbox-unavailable" });
  assert.deepEqual(log(f).map((e) => e.code), ["sandbox-unavailable", "sandbox-unavailable", "sandbox-unavailable"]);
@@ -791,7 +792,7 @@ test("row 64 a role skill that isn't enabled refuses skill-not-enabled, and one
  assert.deepEqual(await launcher.fromSession(cto.cap, "coder"), { ok: false, error: "skill-not-enabled" });
  // A symlink in skills-enabled is refused, not followed.
  symlinkSync(join(REPO, "skills", "ms-unslop"), join(enabled, "ms-unslop"));
-  await assert.rejects(launcher.launchPm(), (e) => e.exitCode === 3 && e.message === `PM launch refused: skill-refused (skill ms-unslop isn't a plain directory under ${enabled})`);
+  await assert.rejects(launcher.launchPm(), (e) => e.exitCode === 3 && e.message === "PM launch refused: skill-refused (skill ms-unslop isn't a plain directory under the enabled skills directory)");
  assert.deepEqual(await launcher.fromSession(cto.cap, "coder"), { ok: false, error: "skill-refused" });
  assert.deepEqual(log(f).map((e) => [e.event, e.code]), [["refused", "skill-not-enabled"], ["refused", "skill-not-enabled"], ["refused", "skill-refused"], ["refused", "skill-refused"]]);
  assert.deepEqual(readSessions(f.dataRoot), []);
@@ -832,7 +833,9 @@ test("row 213 a creative instance's persona is read from <configDir>/personas: o
  const e = entries[1];
  assert.deepEqual([e.event, e.code], ["refused", "launch-failed"]);
  assert.equal(e.thread, thread);
-  assert.equal(e.why, `instance bean: persona file ${join(dir, "bean.md")} isn't the file persona.sha256 names`);
+  // #1873: the file by its place under the persona directory, never its host path.
+  assert.equal(e.why, "instance bean: persona file acme/bean.md in the persona directory isn't the file persona.sha256 names");
+  assert.ok(!e.why.includes(dir));
  assert.ok(!JSON.stringify(log(f)).includes("PERSONA-MARKER-d2"));
  assert.deepEqual(readSessions(f.dataRoot), []);
  // The run directory exists by then (BUILD.md residual); the persona is read before any bundle file.
@@ -1,3 +1,5 @@
+import {ownerConsole} from '../../bus/tests/hire-fixtures.mjs';
+import {readTemplate} from '../../organization/src/definitions.mjs';
 import { requestHostOps } from './request-host-ops.mjs';
 // Row 194 (#1692, D1.1, T2-T5, V5): the launcher half of the lifecycle verbs. The broker records
 // the human's launch, end, regenerate and delete as requests (bus lifecycle-verbs.test.mjs), and
@@ -89,6 +91,8 @@ async function start(t, { f, adapter }, options = {}) {
    refuse: (m) => runtime.refuse(m.cap, m.code, m.subject),
    endLaunch: (m) => runtime.endLaunch(m.record),
    credentialStatus: (m) => runtime.credentialStatus(m.business, m.role),
+    // org-defscan (#1873): an org: definition's launch asks the bus's held-secret check, as process.mjs answers it.
+    definitionScan: (m) => runtime.definitionScan({ business: m.business, definition: m.definition, entry: m.entry }),
    threadsState: (m) => runtime.threadsState(m.business),
    threadIdle: (m) => runtime.threadIdle(m.record),
    mayLaunch: (m) => runtime.mayLaunch(m),
@@ -238,7 +242,7 @@ function bind(s, role, run) {
  s.runtime.broker.request(cap, { verb: "role.claim" });
  return cap;
 }
-const fire = (s, chief, name) => s.runtime.broker.request(chief, { verb: "instance.fire", args: { name, reason: "the review is done" } });
+const fire = (s, chief, name) => s.runtime.broker.request(chief, {verb:"hire.raise",args:{op:"fire",level:"org",name,reason:"the review is done"}}).then(d => s.runtime.broker.request(ownerConsole(s.runtime.broker,"acme"),{verb:"hire.resolve.console",args:{id:d.id,choice:"yes",digest:d.hire.digest}}));

 const allowed = (p, action) => {
  const db = new DatabaseSync(join(p.f.dataRoot, "bus", "bus.sqlite"), { readOnly: true });
@@ -400,6 +404,10 @@ test("row 194 V5: delete retires the name, renames the workspace to .retired/I-<
  const del = s.call("instances.set", { revision: revision(), instance: "sec-1", op: "delete" }).request;
  const failed = await s.carry(del);
  assert.equal(failed.done.refusal, "workspace-rename-failed");
+  // #1873: the refused event's reason names the workspace by label and the error by code, never a path.
+  const refused = launchLog(p.f).filter((e) => e.event === "refused" && e.code === "workspace-rename-failed");
+  assert.deepEqual(refused.map((e) => e.why), ["cannot mkdir the instance workspace (EEXIST); left in place"]);
+  assert.ok(!JSON.stringify(refused).includes(p.f.dataRoot));
  const transaction = failed.done.transaction;
  assert.ok(transaction);
  const file = JSON.parse(readFileSync(join(p.root, "config", "businesses", "acme.json"), "utf8"));
@@ -601,7 +609,7 @@ test("row 194 T9a: fire signals its bound run and a spawned but unbound registry
  const spare = await standIn(t, p, s, { instance: "coder", run: "coder-spare" });
  const stuck = await standIn(t, p, s, { instance: "coder", run: "coder-stuck", ignoreTerm: true });
  bind(s, "coder", "coder-run");
-  const fired = fire(s, bind(s, "chief", "chief-run"), "coder");
+  const fired = await fire(s, bind(s, "chief", "chief-run"), "coder");
  // The bus knows only the bound run. The pass takes the spawned ones from the registry.
  assert.deepEqual(fired.runs, ["coder-run"]);
  await s.launcher.tick();
@@ -629,7 +637,7 @@ test("row 194 T9a: fire of a registry run with no runtime record reads lifecycle
  const bound = await standIn(t, p, s, { instance: "coder", run: "coder-run" });
  const ghost = await standIn(t, p, s, { instance: "coder", run: "coder-ghost", managed: false });
  bind(s, "coder", "coder-run");
-  const fired = fire(s, bind(s, "chief", "chief-run"), "coder");
+  const fired = await fire(s, bind(s, "chief", "chief-run"), "coder");
  assert.deepEqual(fired.runs, ["coder-run"]);
  await s.launcher.tick();
  assert.equal(await bound.exited, 143);
@@ -685,7 +693,7 @@ test("row 194 T9a: a runner whose identity changed before the SIGTERM gets no si
  const between = await standIn(t, p, s, { instance: "coder", run: "coder-between", ignoreTerm: true });
  Object.assign(pids, { before: before.pid, between: between.pid });
  bind(s, "coder", "coder-between");
-  const fired = fire(s, bind(s, "chief", "chief-run"), "coder");
+  const fired = await fire(s, bind(s, "chief", "chief-run"), "coder");
  await s.launcher.tick();
  assert.deepEqual(sent, [["coder-between", "SIGTERM"]]);
  assert.deepEqual([before.gone(), between.gone(), before.terms(), between.terms()], [false, false, 0, 1]);
@@ -719,7 +727,7 @@ test("row 194 T9b: a halt during a fire's stop sends no second SIGTERM, keeps th
  const x = await standIn(t, p, s, { instance: "coder", run: "coder-run", ignoreTerm: true });
  const chief = bind(s, "chief", "chief-run");
  bind(s, "coder", "coder-run");
-  const fired = fire(s, chief, "coder");
+  const fired = await fire(s, chief, "coder");
  const began = Date.now();
  const pass = s.launcher.tick();
  await until(() => x.terms() === 1);
@@ -848,12 +856,6 @@ test("row 194 T11: two stack roots with the same business id; a launch, a termin
 // listing gets through to the host, which checks the file.
 test("row 194 D3 item 5: the chief's session hires with its tool and launches its hire in the same session, then fires it", { skip, timeout: 90000 }, async (t) => {
  const p = prepare(t);
-  // The shipped role file lists nothing hireable. The test's copy lists the CISO, which holds
-  // only message.send and record.write and no credential.
-  const roleFile = join(p.f.env.MOSAIC_ROLES_DIR, "chief-of-staff.json");
-  const role = JSON.parse(readFileSync(roleFile, "utf8"));
-  role.hireable = ["chief-information-security-officer"];
-  writeFileSync(roleFile, JSON.stringify(role, null, 2));
  const s = await start(t, p);
  const chief = (await s.carry(s.call("instance.launch", { instance: "chief" }).request)).done.run;
  await s.claimed(chief);
@@ -861,15 +863,12 @@ test("row 194 D3 item 5: the chief's session hires with its tool and launches it
    const sent = s.call("message.send", { to: "chief", class: "REQUEST", body: `TOOL ${name} ${JSON.stringify(args)}` }).id;
    return (await until(() => s.call("replies", { id: sent })[0], 30000)).body;
  };
-  const hired = JSON.parse(await ask("hire", { name: "sec-2", definition: "chief-information-security-officer", vars: { model: "claude-sonnet-5-5" }, reason: "a security lead for the review queue" }));
-  assert.ok(hired.transaction, JSON.stringify(hired));
-  const listed = s.call("instances").instances["sec-2"];
-  assert.equal(listed.launched, true);
-  // Hire vars set only model and limits.* (N3). harness and thinking are agent-layer route vars the
-  // human sets, so until then the launch refuses no-route.
-  assert.equal((await ask("launch", { instance: "sec-2" })).split("\n")[0], "refused: no-route");
-  const route = { harness: "pi", model: "claude-sonnet-5-5", thinking: "high" };
-  s.call("instances.set", { revision: s.call("instances").revision, instance: "sec-2", op: "change", vars: route });
+  const role = readTemplate(p.f.env.MOSAIC_ROLES_DIR,"chief-information-security-officer");
+  const hired = JSON.parse(await ask("hire", {op:"hire",level:"org",name:"sec-2",role:{template:role.name,sha256:role.sha256},route:{harness:"pi",model:"claude-sonnet-5-5",thinking:"high"},reason:"a security lead for the review queue"}));
+  assert.ok(hired.id);
+  assert.equal(s.call("instances").instances["sec-2"],undefined,"raise writes nothing");
+  await s.runtime.broker.request(ownerConsole(s.runtime.broker,"acme"),{verb:"hire.resolve.console",args:{id:hired.id,choice:"yes",digest:hired.hire.digest}});
+  assert.equal(s.call("instances").instances["sec-2"].launched,true);
  const launched = JSON.parse(await ask("launch", { instance: "sec-2" }));
  assert.match(launched.run, /^r[0-9a-f]{12}$/);
  assert.deepEqual(s.running("sec-2").map((x) => x.run), [launched.run]);
@@ -878,8 +877,9 @@ test("row 194 D3 item 5: the chief's session hires with its tool and launches it
  assert.equal((await ask("launch", { instance: "NOT A NAME" })).split("\n")[0], "refused: instance-not-listed");
  assert.equal((await ask("launch", { instance: "reviewer" })).split("\n")[0], "refused: instance-not-listed");
  await s.claimed(launched.run);
-  const fired = JSON.parse(await ask("fire", { name: "sec-2", reason: "the review is done" }));
-  assert.ok(fired.transaction, JSON.stringify(fired));
+  const fired = JSON.parse(await ask("fire", {op:"fire",level:"org",name:"sec-2",reason:"the review is done"}));
+  assert.ok(fired.id);
+  await s.runtime.broker.request(ownerConsole(s.runtime.broker,"acme"),{verb:"hire.resolve.console",args:{id:fired.id,choice:"yes",digest:fired.hire.digest}});
  await until(() => s.running("sec-2").length === 0, 30000);
  // A fired instance stays in roles, off the listing, so the chief can't launch it again.
  assert.equal(s.call("instances").instances["sec-2"].launched, false);
@@ -358,7 +358,7 @@ test("the journal: a line with a wrong type refuses with exit 3 and names the fi
  for (const [field, r] of bad) {
    const text = `${JSON.stringify(dm)}\n${JSON.stringify(r)}\n`;
    writeFileSync(file, text);
-    assert.throws(() => openJournal(file), (e) => e.exitCode === 3 && e.message === `notify journal line 2 is malformed (${field}): ${file}`, `${field}: ${JSON.stringify(r)}`);
+    assert.throws(() => openJournal(file), (e) => e.exitCode === 3 && e.message === `notify journal line 2 is malformed (${field})` && !e.message.includes(file), `${field}: ${JSON.stringify(r)}`);
    assert.equal(readFileSync(file, "utf8"), text, "a refusal changes nothing");
  }
  const good = [dm, digest, { ...dm, outcome: "refused", messageId: null, status: 403 }, { ...dm, outcome: "gave-up", messageId: null }, { ...digest, outcome: "unknown", messageId: null }];
@@ -377,7 +377,7 @@ test("the journal: a symlinked directory refuses and says it is a link", (t) =>
  const file = journalPath(root, "demo");
  mkdirSync(dirname(dirname(file)), { mode: 0o700 });
  symlinkSync(real, dirname(file));
-  assert.throws(() => openJournal(file), (e) => e.exitCode === 3 && e.message === `notify journal directory must not be a symlink: ${dirname(file)}`);
+  assert.throws(() => openJournal(file), (e) => e.exitCode === 3 && e.message === `notify journal directory must not be a symlink` && !e.message.includes(dirname(file)));
  assert.deepEqual(readdirSync(real), [], "nothing was created through the link");
 });

@@ -386,13 +386,13 @@ test("the journal: a dangling directory link, a parent that is a file and a jour
  const dangling = journalPath(root, "demo");
  mkdirSync(dirname(dirname(dangling)), { mode: 0o700 });
  symlinkSync(join(root, "missing"), dirname(dangling));
-  assert.throws(() => openJournal(dangling), (e) => e.exitCode === 3 && e.message === `notify journal directory must not be a symlink: ${dirname(dangling)}`);
+  assert.throws(() => openJournal(dangling), (e) => e.exitCode === 3 && e.message === `notify journal directory must not be a symlink` && !e.message.includes(dirname(dangling)));
  const under = join(root, "plain", "notify", "demo", "sent.jsonl");
  writeFileSync(join(root, "plain"), "");
-  assert.throws(() => openJournal(under), (e) => e.exitCode === 3 && e.message === `notify journal directory cannot be created (ENOTDIR): ${dirname(under)}`);
+  assert.throws(() => openJournal(under), (e) => e.exitCode === 3 && e.message === `notify journal directory cannot be created (ENOTDIR)` && !e.message.includes(dirname(under)));
  const asDir = journalPath(root, "acme");
  mkdirSync(asDir, { recursive: true, mode: 0o700 });
-  assert.throws(() => openJournal(asDir), (e) => e.exitCode === 3 && e.message === `notify journal must be a regular file, mode 0600, owned by this user: ${asDir}`);
+  assert.throws(() => openJournal(asDir), (e) => e.exitCode === 3 && e.message === `notify journal must be a regular file, mode 0600, owned by this user` && !e.message.includes(asDir));
 });

 test("the journal: an append after the file was swapped for a symlink refuses and writes nothing through it", (t) => {
@@ -414,18 +414,18 @@ test("the journal: a directory it cannot write or create refuses with exit 3 and
  // Modes are restored in finally: tmp()'s cleanup runs first among the after hooks.
  chmodSync(dirname(file), 0o500);
  try {
-    assert.throws(() => openJournal(file), (e) => e.exitCode === 3 && e.message === `notify journal directory is not writable (EACCES): ${dirname(file)}`);
+    assert.throws(() => openJournal(file), (e) => e.exitCode === 3 && e.message === `notify journal directory is not writable (EACCES)` && !e.message.includes(dirname(file)));
  } finally {
    chmodSync(dirname(file), 0o700);
  }
  openJournal(file);
  chmodSync(file, 0o400);
-  assert.throws(() => openJournal(file), (e) => e.exitCode === 3 && e.message === `notify journal is not writable (EACCES): ${file}`);
+  assert.throws(() => openJournal(file), (e) => e.exitCode === 3 && e.message === `notify journal is not writable (EACCES)` && !e.message.includes(file));
  const parent = join(root, "notify");
  const other = journalPath(root, "acme");
  chmodSync(parent, 0o500);
  try {
-    assert.throws(() => openJournal(other), (e) => e.exitCode === 3 && e.message === `notify journal directory cannot be created (EACCES): ${dirname(other)}`);
+    assert.throws(() => openJournal(other), (e) => e.exitCode === 3 && e.message === `notify journal directory cannot be created (EACCES)` && !e.message.includes(dirname(other)));
  } finally {
    chmodSync(parent, 0o700);
  }
@@ -0,0 +1,138 @@
+// #1873 T1: org:<name> definitions at launch, and `mosaic org definitions`.
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import { join } from 'node:path';
+import { readdirSync, readFileSync, writeFileSync } from 'node:fs';
+import { createLauncher } from '../src/launcher.mjs';
+import { main } from '../src/cli.mjs';
+import { orgCommand } from '../src/org.mjs';
+import { bootConfig, loadSystem } from '../src/config.mjs';
+import { BusError } from '../../bus/src/broker.mjs';
+import { startBroker } from '../../bus/src/runtime.mjs';
+import { initializeControl } from '../../processing-control/src/state.mjs';
+import { launchLogFile } from '../../seat/src/session.mjs';
+import { entryFromTemplate, readTemplate, templateHash } from '../../organization/src/definitions.mjs';
+import { REPO_ROLES, writeJson } from '../../organization/tests/helpers.mjs';
+import { fixture, io, tmp, withoutHostCredentials } from './helpers.mjs';
+
+const SCOUT = { rev: 1, role: { tools: ['read'], network: 'none', authority: { withinRole: [], crossRole: [] }, credentials: [] }, instructions: 'Read and report.\n' };
+const stop = () => Object.assign(Error('fixture authorization stop'), { code: 'fixture-policy' });
+const host = { business: 'acme', beforeClose: () => {}, op: async (x) => {
+  if (x.op === 'identity') return { business: 'acme', role: 'pm' };
+  if (x.op === 'mayLaunch') return { allow: true };
+  if (x.op === 'authorizeLaunch') throw stop();
+  if (x.op === 'definitionScan') return { held: null };
+  return {};
+} };
+
+test('T1 an org: instance passes every launch check, and a missing definition refuses naming instance and definition', async (t) => {
+  const root = tmp(t);
+  // The org's own copy of the coder template, so the instance's credentials and tracker still match.
+  const builder = entryFromTemplate(readTemplate(REPO_ROLES, 'coder'));
+  const f = fixture(root, 'acme', (doc) => ({ ...doc, definitions: { builder }, roles: { ...doc.roles, coder: { ...doc.roles.coder, definition: 'org:builder' } } }));
+  const file = join(root, 'config/businesses/acme.json');
+  withoutHostCredentials(f.env, { piKey: true });
+  initializeControl(f.dataRoot);
+  const launcher = createLauncher({ host, system: JSON.parse(readFileSync(f.config, 'utf8')), env: f.env, bwrap: '/usr/bin/true', log: () => {} });
+  // Resolve, route, contract (the definition's instructions) and skills all pass; the fixture stops at authorization.
+  assert.equal((await launcher.fromSession('fixture-cap', 'coder')).error, 'fixture-policy');
+
+  // The chief names a definition the file doesn't declare: the whole file refuses, so a session's
+  // launch and the chief's launch both refuse.
+  writeJson(file, { ...f.doc, roles: { ...f.doc.roles, chief: { ...f.doc.roles.chief, definition: 'org:ghost' } } });
+  assert.deepEqual(await launcher.fromSession('fixture-cap', 'coder'), { ok: false, error: 'organization-refused' });
+  await assert.rejects(launcher.launchPm(), (e) => e.code === 'organization-refused' && /roles\.chief\.definition names org:ghost/.test(e.message));
+  const event = JSON.parse(readFileSync(launchLogFile(f.dataRoot, 'acme'), 'utf8').trim().split('\n').at(-1));
+  assert.equal(event.code, 'organization-refused');
+  assert.equal(event.instance, 'chief');
+  assert.match(event.why, /definition-missing: .*roles\.chief\.definition names org:ghost/);
+  await launcher.close?.();
+
+  // A host does not start on a file that names a missing definition.
+  assert.throws(() => createLauncher({ host, system: JSON.parse(readFileSync(f.config, 'utf8')), env: f.env, bwrap: '/usr/bin/true', log: () => {} }), /org:ghost/);
+});
+
+// The fixture bus holds SENTINEL as coder's gitea token, so the bus's secret check refuses it.
+const SENTINEL = 'sk-test-NOT-A-SECRET-1234';
+function files(dir) {
+  return readdirSync(dir, { withFileTypes: true }).flatMap((e) => e.isDirectory() ? files(join(dir, e.name)) : e.isFile() ? [join(dir, e.name)] : []);
+}
+
+test('T1 mosaic org definitions: writes go through the bus and its secret check, each prints its receipt, and an agent shell refuses', async (t) => {
+  const root = tmp(t);
+  const builder = entryFromTemplate(readTemplate(REPO_ROLES, 'coder'));
+  const f = fixture(root, 'acme', (doc) => ({ ...doc, definitions: { builder }, roles: { ...doc.roles, coder: { ...doc.roles.coder, definition: 'org:builder' } } }));
+  const file = join(root, 'config/businesses/acme.json');
+  const changes = join(root, 'config/businesses/.history/acme/changes.jsonl');
+  writeFileSync(f.doc.roles.coder.credentials.gitea.file, SENTINEL);
+  const boot = bootConfig({ system: loadSystem({ env: f.env }), businessId: 'acme', env: f.env });
+  const b = await startBroker({ dataRoot: f.dataRoot, businesses: boot.businesses, organization: boot.organization });
+  t.after(() => b.close());
+  const human = b.broker.bindHuman({ business: 'acme', human: f.doc.human, via: 'cli', outsideAgent: true });
+  const calls = [];
+  // The human transport's shape: a bus refusal arrives as its code.
+  const deps = { system: { dataRoot: f.dataRoot }, transport: () => async (verb, args = {}) => {
+    calls.push(verb);
+    try { return structuredClone(b.broker.request(human, { verb, args })); }
+    catch (e) { if (!(e instanceof BusError)) throw e; throw Object.assign(new Error(e.code), { code: e.code }); }
+  } };
+  const run = async (args, env = f.env) => { const x = io(env); await main(['org', 'definitions', ...args], x, deps); return JSON.parse(x.out.text); };
+  const hash = templateHash(f.roles, 'coder');
+  assert.ok((await run(['templates'])).some((h) => h.template === 'coder' && h.sha256 === hash));
+
+  const imported = await run(['acme', 'import', 'coder', '--as', 'copy']);
+  assert.deepEqual({ ...imported, revision: 0, transaction: 0 }, { verb: 'import', organization: 'acme', definition: 'copy', rev: 1, revision: 0, transaction: 0, from: { template: 'coder', sha256: hash } });
+  const spec = join(root, 'scout.json');
+  writeFileSync(spec, JSON.stringify({ role: SCOUT.role, instructions: SCOUT.instructions }));
+  assert.equal((await run(['acme', 'invent', 'scout', '--from', spec])).rev, 1);
+  writeFileSync(spec, JSON.stringify({ role: SCOUT.role, instructions: 'Read, then report.\n' }));
+  const edited = await run(['acme', 'edit', 'scout', '--from', spec, '--if-rev', '1']);
+  assert.equal(edited.verb, 'edit');
+  assert.equal(edited.rev, 2);
+  assert.deepEqual((await run(['acme', 'list'])).definitions.map((d) => [d.name, d.rev]), [['builder', 1], ['copy', 1], ['scout', 2]]);
+  assert.equal((await run(['acme', 'show', 'scout'])).instructions, 'Read, then report.\n');
+  assert.equal((await run(['acme', 'diff', 'copy'])).changed, false);
+  assert.equal((await run(['acme', 'remove', 'scout', '--if-rev', '2'])).removedRev, 2);
+  assert.deepEqual(calls, ['definition.import', 'definition.invent', 'definition.edit', 'definition.remove']);
+  const committed = readFileSync(changes, 'utf8').trim().split('\n').map((l) => JSON.parse(l)).filter((e) => e.state === 'committed').slice(-4);
+  assert.deepEqual(committed.map((e) => e.actor), Array(4).fill(f.doc.human));
+
+  // A definition holding a token the bus holds refuses on invent and on edit, in valid JSON, and
+  // the token reaches no message, no organization file and nothing the bus wrote.
+  const before = readFileSync(file);
+  const beforeChanges = readFileSync(changes);
+  writeFileSync(spec, JSON.stringify({ role: SCOUT.role, instructions: `Use ${SENTINEL} to report.\n` }));
+  for (const args of [['acme', 'invent', 'leak', '--from', spec], ['acme', 'edit', 'copy', '--from', spec, '--if-rev', '1']]) {
+    await assert.rejects(run(args), (e) => e.code === 'credential-leak' && e.exitCode === 2 && !e.message.includes(SENTINEL) && !String(e.stack).includes(SENTINEL));
+  }
+  assert.deepEqual(readFileSync(file), before);
+  assert.deepEqual(readFileSync(changes), beforeChanges);
+  for (const path of files(f.dataRoot)) assert.ok(!readFileSync(path).includes(SENTINEL), path);
+
+  // An unparsable file never echoes; a key the file's checks refuse is named before the bus is
+  // called; a stale --if-rev and an in-use definition refuse with what they mean.
+  writeFileSync(spec, `{"role": ${SENTINEL}`);
+  await assert.rejects(run(['acme', 'invent', 'other', '--from', spec]), (e) => e.exitCode === 2 && !e.message.includes('sk-test'));
+  writeFileSync(spec, JSON.stringify({ role: { ...SCOUT.role, network: 'everywhere' }, instructions: 'x\n' }));
+  const asked = calls.length;
+  await assert.rejects(run(['acme', 'invent', 'other', '--from', spec]), /definitions\.other/);
+  assert.equal(calls.length, asked);
+  await assert.rejects(run(['acme', 'remove', 'copy', '--if-rev', '7']), (e) => /^definition-rev-conflict: definition copy is not at rev 7/.test(e.message));
+  await assert.rejects(run(['acme', 'remove', 'builder', '--if-rev', '1']), (e) => /^definition-in-use: definition builder is named by coder/.test(e.message));
+  assert.deepEqual(readFileSync(file), before);
+
+  // Inside an agent run every write refuses before it reads anything or calls the bus; reads still work.
+  const agent = { ...f.env, MOSAIC_RUN_ID: 'run-1' };
+  const sent = calls.length;
+  for (const args of [['acme', 'import', 'reviewer'], ['acme', 'invent', 'x', '--from', spec], ['acme', 'edit', 'copy', '--from', spec, '--if-rev', '1'], ['acme', 'remove', 'copy', '--if-rev', '1']]) {
+    await assert.rejects(run(args, agent), (e) => e.exitCode === 3 && /human shell/.test(e.message));
+  }
+  assert.equal(calls.length, sent);
+  assert.deepEqual(readFileSync(file), before);
+  assert.equal((await run(['acme', 'list'], agent)).definitions.length, 2);
+
+  // With no bus call to make, a write refuses rather than writing without the secret check.
+  const x = io(f.env);
+  await assert.rejects(orgCommand(['definitions', 'acme', 'remove', 'copy', '--if-rev', '1'], x), (e) => e.exitCode === 3 && /organization bus/.test(e.message));
+  assert.deepEqual(readFileSync(file), before);
+});
@@ -40,8 +40,10 @@ test('console stop quarantines dead and wrong-process states without signaling',
 });

 test('live console from another entry path remains recorded and is not signalled', { timeout: 30000 }, async t => {
-  const f = await fixture(), dir = join(f.ctx.dataRoot, 'console'), alias = join(f.root, 'console.mjs');
-  mkdirSync(dir, { mode: 0o700 });
+  // The other entry sits under the sentinel directory: the refusal must name neither (PR #1916).
+  const SENTINEL = 'sk-test-NOT-A-SECRET-1234';
+  const f = await fixture(), dir = join(f.ctx.dataRoot, 'console'), alias = join(f.root, SENTINEL, 'console.mjs');
+  mkdirSync(dir, { mode: 0o700 }); mkdirSync(join(f.root, SENTINEL), { mode: 0o700 });
  symlinkSync(new URL('../../webui/src/cli.mjs', import.meta.url).pathname, alias);
  const child = spawn(process.execPath, [alias, 'serve', '--port', '0'], { env: humanEnv({ HOME: f.root, MOSAIC_CONFIG: join(f.ctx.configDir, 'config.json') }), stdio: ['ignore', 'pipe', 'pipe'] });
  t.after(async () => { if (child.exitCode === null && child.signalCode === null) { const ended = once(child, 'exit'); child.kill('SIGTERM'); await ended; } });
@@ -53,7 +55,7 @@ test('live console from another entry path remains recorded and is not signalled
  const record = { pid: child.pid, startTime: startTimeOf(child.pid), url };
  json(join(dir, 'console.json'), record);
  await assert.rejects(consoleStart(f.ctx), /console state exists/);
-  await assert.rejects(consoleStop(f.ctx), e => /another path/.test(e.message) && e.message.includes(alias));
+  await assert.rejects(consoleStop(f.ctx), e => { assert.equal(e.exitCode, 3); assert.equal(e.message, 'console was started from another checkout; stop it there'); assert.ok(!e.message.includes(SENTINEL) && !e.message.includes(alias), e.message); return true; });
  assert.deepEqual(JSON.parse(readFileSync(join(dir, 'console.json'), 'utf8')), record);
  assert.equal(startTimeOf(child.pid), record.startTime);
  assert.equal(readdirSync(dir).filter(x => x.startsWith('console.json.stale-')).length, 0);
@@ -82,7 +84,8 @@ test('lock recovery reports fences and recovers a dead clearer while refusing li
  assert.equal(shown.fence.pid, process.pid);
  await assert.rejects(f.call('org', 'lock', 'clear', 'alpha'), new RegExp(`recovery is already in progress.*${process.pid}`));
  writeFileSync(fence, '');
-  await assert.rejects(f.call('org', 'lock', 'clear', 'alpha'), e => e.message.includes(fence) && /remove.*hand/i.test(e.message));
+  // #1873: the fence is named by label in the config directory, never by its path.
+  await assert.rejects(f.call('org', 'lock', 'clear', 'alpha'), e => !e.message.includes(f.ctx.configDir) && e.message.includes('recovery fence org-lifecycle-alpha.lock.clear in the config directory') && /remove.*hand/i.test(e.message));
  unlinkSync(fence);
  const registry = new URL('../../organization/src/org-registry.mjs', import.meta.url).href;
  const code = `import fs from 'node:fs'; import { syncBuiltinESMExports } from 'node:module';
@@ -38,10 +38,12 @@ const IMPORT=new RegExp([
 `${DYNAMIC.source}\\s*['"](\\.{1,2}\\/[^'"]+)['"]\\s*\\)`,
 ].join('|'),'g');
 const DYNAMIC_LITERAL=/^import\s*\(\s*(['"])[^'"\n]*\1\s*\)/;
-// The plug-in loader's one computed import, allowed only in that file and only in this exact form. It loads
+// The plug-in loader's computed imports, allowed only in that file and these exact forms. Core loads
 // packages/plugins/<kind>/<name>/index.mjs after checking that path, and a real copy ships all of
 // packages/plugins, so a fixture that never loads a plug-in needs nothing more from it.
-const LOADER_FILE='packages/plugins/src/loader.mjs',LOADER_IMPORT=/^import\(pathToFileURL\(expected\)\.href\)/;
+// PL1 adds the checked instance package entry with its verified hash as a cache key. Installed
+// bytes belong to the instance, not to a release fixture's import closure.
+const LOADER_FILE='packages/plugins/src/loader.mjs',LOADER_IMPORT=/^import\(pathToFileURL\(expected\)\.href\)|^import\(pathToFileURL\(entry\)\.href \+ '\?pin=' \+ checked\.manifest\.sha256\)/;
 const REGEX_AFTER='(,=:[!&|?{};+-*%<>~^';
 const inert=(literals,index)=>literals.some(([from,to])=>index>=from&&index<to);
 const sources=(dir)=>readdirSync(dir,{withFileTypes:true}).flatMap((e)=>e.isDirectory()?sources(join(dir,e.name)):e.name.endsWith('.mjs')?[join(dir,e.name)]:[]);
@@ -43,6 +43,14 @@ test('the loader exception holds only for the loader file and its exact computed
 assert.throws(()=>organizationImportedFiles(tree({[`${ORG}a.mjs`]:"import '../../plugins/src/loader.mjs';\n",'repo/packages/plugins/src/loader.mjs':"await import(x);\n"})),/not a plain string literal/);
 });

+test('PL1 pinned import exception holds only for the checked loader entry and exact hash cache key',()=>{
+ const computed="await import(pathToFileURL(entry).href + '?pin=' + checked.manifest.sha256);\n";
+ const at=(file,text=computed)=>tree({[`${ORG}a.mjs`]:`import '../../plugins/src/${file}';\n`,[`repo/packages/plugins/src/${file}`]:text});
+ assert.deepEqual(organizationImportedFiles(at('loader.mjs')),['packages/plugins/src/loader.mjs']);
+ assert.throws(()=>organizationImportedFiles(at('other.mjs')),/not a plain string literal/);
+ for(const changed of [computed.replace('entry','arbitrary'),computed.replace('?pin=','?unchecked='),computed.replace('checked.manifest.sha256','input')])assert.throws(()=>organizationImportedFiles(at('loader.mjs',changed)),/not a plain string literal/);
+});
+
 test('every static form and a literal dynamic import is found, and the imports of what it finds in turn', ()=>{
 const repo=withOrg([
  "import x from '../../other/src/from.mjs';",
@@ -0,0 +1,242 @@
+// #1873 (redact6): a cli refusal names the file, the instance or the field, never a host path,
+// and never relays mosaic-config's stderr or a Node system error's message. The sentinel is a
+// component of every scratch path, so a refusal that quotes a path quotes the sentinel too; each
+// test also checks the scratch root and the label. The launcher cases need no bus: a bus socket
+// under a sentinel path would pass the Unix socket length limit, so they use a stub host.
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import { mkdirSync, readFileSync, symlinkSync, writeFileSync } from 'node:fs';
+import { spawnSync } from 'node:child_process';
+import { join } from 'node:path';
+import { createLauncher, relay } from '../src/launcher.mjs';
+import { CliError } from '../src/errors.mjs';
+import { loadSystem } from '../src/config.mjs';
+import { main } from '../src/cli.mjs';
+import { initializeControl } from '../../processing-control/src/state.mjs';
+import { launchLogFile } from '../../seat/src/session.mjs';
+import { fakeHarnesses, fixture, io, tmp, withoutHostCredentials } from './helpers.mjs';
+
+const secret = 'sk-test-NOT-A-SECRET-1234';
+function scratch(t) {
+  const root = tmp(t, 'r6-');
+  const dir = join(root, secret);
+  mkdirSync(dir, { mode: 0o700 });
+  return { root, dir };
+}
+function clean(text, root) {
+  assert.ok(!text.includes(root), text);
+  assert.doesNotMatch(text, /sk-test|NOT-A-SECRET/);
+}
+const PI = JSON.stringify(new URL('../../plugins/harness/pi/index.mjs', import.meta.url).href);
+
+function stubLauncher(t, { op = async () => ({}) } = {}) {
+  const { root, dir } = scratch(t);
+  const f = fixture(dir, 'acme');
+  initializeControl(f.dataRoot);
+  withoutHostCredentials(f.env, { piKey: true });
+  const system = JSON.parse(readFileSync(f.config, 'utf8'));
+  const host = { business: 'acme', beforeClose: () => {}, op };
+  return { root, f, make: () => createLauncher({ host, system, env: f.env, bwrap: '/usr/bin/true', log: () => {} }) };
+}
+
+test('an unreadable sessions file refuses exit 3 naming bus-host/sessions.json under the data root, never its path', t => {
+  const s = stubLauncher(t);
+  mkdirSync(join(s.f.dataRoot, 'bus-host'), { recursive: true, mode: 0o700 });
+  writeFileSync(join(s.f.dataRoot, 'bus-host', 'sessions.json'), '{not json');
+  assert.throws(() => s.make(), e => {
+    assert.ok(e instanceof CliError, e.stack);
+    assert.equal(e.exitCode, 3);
+    assert.equal(e.message, 'sessions file is unreadable: bus-host/sessions.json under the data root; check which sessions still run, then move the file aside');
+    clean(e.message, s.root);
+    return true;
+  });
+  writeFileSync(join(s.f.dataRoot, 'bus-host', 'sessions.json'), JSON.stringify({ sessionsVersion: 999, sessions: [] }));
+  assert.throws(() => s.make(), e => e.exitCode === 3 && e.message.startsWith('sessions file is malformed: bus-host/sessions.json under the data root;') && !e.message.includes(s.root));
+});
+
+test('a launch socket path that is not a socket refuses exit 3 by label, never its path', async t => {
+  const s = stubLauncher(t);
+  mkdirSync(join(s.f.dataRoot, 'bus-host'), { recursive: true, mode: 0o700 });
+  writeFileSync(join(s.f.dataRoot, 'bus-host', 'launch.sock'), 'in the way\n');
+  const launcher = s.make();
+  t.after(() => launcher.close?.());
+  await assert.rejects(launcher.listen(), e => {
+    assert.ok(e instanceof CliError, e.stack);
+    assert.equal(e.exitCode, 3);
+    assert.equal(e.message, "launch socket path exists and isn't a socket");
+    clean(e.message, s.root);
+    return true;
+  });
+});
+
+// The launch-routes pattern: a stub host stops each launch at authorizeLaunch, and the launch
+// log's refused event carries the reason.
+async function routed(t, harness) {
+  const { root, dir } = scratch(t);
+  const f = fixture(dir, 'acme', doc => {
+    doc.roles.coder.vars = { harness, model: 'claude-sonnet-5-5', thinking: 'high' };
+    doc.plugins = { ...doc.plugins, harness: ['pi', 'claude-code', harness] };
+    return doc;
+  });
+  initializeControl(f.dataRoot);
+  withoutHostCredentials(f.env, { piKey: true });
+  const host = { business: 'acme', beforeClose: () => {}, op: async x => {
+    if (x.op === 'identity') return { business: 'acme', role: 'pm' };
+    if (x.op === 'mayLaunch') return { allow: true };
+    if (x.op === 'authorizeLaunch') throw Object.assign(Error('fixture authorization stop'), { code: 'fixture-policy' });
+    return {};
+  } };
+  const absent = join(dir, 'absent.json');
+  const makeLoader = await fakeHarnesses(t, { pi: null, 'claude-code': null }, write => {
+    // fsthrows: its preflight reads a missing file, so the error's message quotes the path.
+    write('harness', 'fsthrows', `export * from ${PI};\nimport { readFileSync } from "node:fs";\nexport function preflight() { readFileSync(${JSON.stringify(absent)}); }\n`);
+    // plainthrows: a plain Error whose message quotes a host path, as a module's own text.
+    write('harness', 'plainthrows', `export * from ${PI};\nexport function preflight() { throw new Error(${JSON.stringify(`cannot read ${absent}`)}); }\n`);
+    // pathfails: a preflight that returns a failure whose message quotes a host path.
+    write('harness', 'pathfails', `export * from ${PI};\nexport function preflight() { return { code: "harness-binary-missing", message: ${JSON.stringify(`no binary at ${absent}; see file://${absent}`)} }; }\n`);
+  });
+  const system = JSON.parse(readFileSync(f.config, 'utf8'));
+  const launcher = createLauncher({ host, system, env: f.env, makeLoader, bwrap: '/usr/bin/true', log: () => {} });
+  const last = () => readFileSync(launchLogFile(f.dataRoot, 'acme'), 'utf8').trim().split('\n').map(l => JSON.parse(l)).at(-1);
+  return { root, f, launch: () => launcher.fromSession('fixture-cap', 'coder'), last };
+}
+
+test('a harness whose preflight throws a plain Error naming a path refuses harness-failed by its class, never its message', async t => {
+  const s = await routed(t, 'plainthrows');
+  assert.deepEqual(await s.launch(), { ok: false, error: 'harness-failed' });
+  assert.equal(s.last().why, 'harness plainthrows preflight: threw Error without a system code');
+  clean(JSON.stringify(s.last()), s.root);
+});
+
+test('a preflight failure whose message quotes a path keeps its code and relays the text with the path replaced', async t => {
+  const s = await routed(t, 'pathfails');
+  assert.deepEqual(await s.launch(), { ok: false, error: 'harness-binary-missing' });
+  assert.equal(s.last().why, 'no binary at a host path; see a host path');
+  clean(JSON.stringify(s.last()), s.root);
+});
+
+test('the claude-code preflight names MOSAIC_CLAUDE_BIN, never its value', async t => {
+  const { root, dir } = scratch(t);
+  const f = fixture(dir, 'acme', doc => {
+    doc.roles.coder.vars = { harness: 'claude-code', model: 'claude-sonnet-5-5', thinking: 'high' };
+    return doc;
+  });
+  initializeControl(f.dataRoot);
+  withoutHostCredentials(f.env);
+  f.env.CLAUDE_CODE_OAUTH_TOKEN = 'fixture-only';
+  f.env.MOSAIC_CLAUDE_BIN = join(dir, 'absent-claude');
+  const host = { business: 'acme', beforeClose: () => {}, op: async x => x.op === 'identity' ? { business: 'acme', role: 'pm' } : x.op === 'mayLaunch' ? { allow: true } : {} };
+  const makeLoader = await fakeHarnesses(t, { pi: null, 'claude-code': null });
+  const launcher = createLauncher({ host, system: JSON.parse(readFileSync(f.config, 'utf8')), env: f.env, makeLoader, bwrap: '/usr/bin/true', log: () => {} });
+  assert.deepEqual(await launcher.fromSession('fixture-cap', 'coder'), { ok: false, error: 'harness-binary-missing' });
+  const last = JSON.parse(readFileSync(launchLogFile(f.dataRoot, 'acme'), 'utf8').trim().split('\n').at(-1));
+  assert.equal(last.why, "MOSAIC_CLAUDE_BIN isn't an executable file at an absolute path");
+  clean(JSON.stringify(last), root);
+});
+
+test('relay replaces absolute, home and file: paths and keeps the rest of the text', () => {
+  assert.equal(relay(`bad ${'/srv/x/' + secret} and ~/y, (file:///z) here`), 'bad a host path and a host path, (a host path) here');
+  assert.equal(relay('fatal: not a git repository: .git; see https://example.test/a'), 'fatal: not a git repository: .git; see https://example.test/a');
+});
+
+test('a harness whose preflight throws a system error refuses harness-failed naming the call and code, never the path', async t => {
+  const s = await routed(t, 'fsthrows');
+  assert.deepEqual(await s.launch(), { ok: false, error: 'harness-failed' });
+  assert.equal(s.last().why, 'harness fsthrows preflight: cannot open a host file (ENOENT)');
+  clean(JSON.stringify(s.last()), s.root);
+});
+
+test('a harness the loader refuses names its code only, never the loader message or a path', async t => {
+  const s = await routed(t, 'absent');
+  assert.deepEqual(await s.launch(), { ok: false, error: 'harness-refused' });
+  assert.match(s.last().why, /^harness absent: [a-z][a-z0-9-]*$/);
+  clean(JSON.stringify(s.last()), s.root);
+});
+
+test('the halt gate refusal names the instance, never its data root, and keeps exit 1 and the count', async t => {
+  const { root, dir } = scratch(t);
+  const result = { version: 1, generation: '11111111-1111-4111-8111-111111111111', operation: '11111111-1111-4111-8111-111111111111', business: 'demo', human: 'jason', at: '2026-10-20T00:00:00.000Z', recovered: false, halted: true, quiescent: false, remaining: 2, stopped: 0 };
+  const x = io();
+  await assert.rejects(main(['halt', '--business', 'demo'], x, { system: { dataRoot: join(dir, 'data') }, transport: () => async () => result }), e => {
+    assert.equal(e.exitCode, 1);
+    assert.equal(e.message, 'halt gate is on for this instance; 2 stops unconfirmed. Use mosaic processing status');
+    clean(e.message, root);
+    return true;
+  });
+  const odd = io();
+  await assert.rejects(main(['halt', '--business', 'demo'], odd, { system: { dataRoot: join(dir, 'data') }, transport: () => async () => ({ ...result, remaining: join(dir, 'x') }) }), e => {
+    assert.equal(e.message, 'halt gate is on for this instance; unknown stops unconfirmed. Use mosaic processing status');
+    clean(e.message, root);
+    return true;
+  });
+});
+
+test('a system config problem names the config by label and never relays mosaic-config stderr', t => {
+  const { root, dir } = scratch(t);
+  // Missing: the label for where it came from, with the bootstrap hint.
+  assert.throws(() => loadSystem({ env: { PATH: process.env.PATH, HOME: dir, MOSAIC_CONFIG: join(dir, 'absent.json') } }), e => {
+    assert.ok(e instanceof CliError, e.stack);
+    assert.equal(e.exitCode, 3);
+    assert.equal(e.message, 'system config problem (mosaic-config exit 3): configuration not found: the system config MOSAIC_CONFIG names (run scripts/bootstrap.sh to create it)');
+    clean(e.message, root);
+    return true;
+  });
+  assert.throws(() => loadSystem({ env: { PATH: process.env.PATH, HOME: dir } }), e => {
+    assert.match(e.message, /^system config problem \(mosaic-config exit 3\): configuration not found: the default system config \(run scripts\/bootstrap\.sh to create it\)$/);
+    clean(e.message, root);
+    return true;
+  });
+  // A field whose value quotes the sentinel: the field and its constraint, never the value.
+  const f = fixture(dir, 'acme');
+  const doc = JSON.parse(readFileSync(f.config, 'utf8'));
+  writeFileSync(f.config, JSON.stringify({ ...doc, dataRoot: `relative/${secret}` }));
+  assert.throws(() => loadSystem({ env: f.env }), e => {
+    assert.equal(e.exitCode, 3);
+    assert.match(e.message, /^system config problem \(mosaic-config exit \d+\): dataRoot: expected a canonical absolute instance data path: the system config MOSAIC_CONFIG names$/);
+    clean(e.message, root);
+    return true;
+  });
+});
+
+// scripts/mosaic-config.mjs run standalone: every refusal names the config by where it came from,
+// the data root and its marker by their roles, and a key only when it is a plain name. Exit codes
+// are unchanged: 2 invalid, 3 missing or unclaimed, 4 usage.
+const CONFIG_SCRIPT = new URL('../../../scripts/mosaic-config.mjs', import.meta.url).pathname;
+function mosaicConfig(home, env, ...args) {
+  return spawnSync(process.execPath, [CONFIG_SCRIPT, ...args], { encoding: 'utf8', env: { PATH: process.env.PATH, HOME: home, ...env } });
+}
+function refusedBy(r, status, text, root) {
+  assert.equal(r.status, status, r.stderr);
+  assert.equal(r.stdout, '');
+  assert.ok(r.stderr.includes(text), r.stderr);
+  clean(r.stderr, root);
+}
+
+test('mosaic-config refusals name the config, data root and keys by label, never a host path or value', t => {
+  const { root, dir } = scratch(t);
+  const file = join(dir, 'config.json');
+  const env = { MOSAIC_CONFIG: file };
+  writeFileSync(file, 'not json');
+  refusedBy(mosaicConfig(dir, env, 'validate'), 2, 'mosaic-config: configuration is not valid JSON (the system config MOSAIC_CONFIG names)', root);
+  const good = { configVersion: 1, environment: 'development', dataRoot: join(dir, 'data'), execution: { backend: 'docker', provider: 'zai', model: 'glm-5.3-flash' } };
+  writeFileSync(file, JSON.stringify({ ...good, [join(dir, 'k')]: 1 }));
+  refusedBy(mosaicConfig(dir, env, 'validate'), 2, 'unsupported configuration key: that is not a plain name', root);
+  writeFileSync(file, JSON.stringify({ ...good, console: { [join(dir, 'k')]: 1 } }));
+  refusedBy(mosaicConfig(dir, env, 'validate'), 2, 'console has a key that is not a plain name', root);
+  writeFileSync(file, JSON.stringify({ ...good, dataRoot: dir }));
+  refusedBy(mosaicConfig(dir, env, 'validate'), 2, 'execution "dataRoot" must not be or contain the home directory', root);
+  writeFileSync(join(dir, 'real.json'), JSON.stringify(good));
+  const link = join(dir, 'link.json');
+  symlinkSync(join(dir, 'real.json'), link);
+  refusedBy(mosaicConfig(dir, { MOSAIC_CONFIG: link }, 'validate'), 2, 'configuration path must be a regular, non-symbolic-link file: the system config MOSAIC_CONFIG names', root);
+  // A named instance: MOSAIC_CONFIG naming another file is usage (4); an unmarked root is 3.
+  refusedBy(mosaicConfig(dir, env, 'validate', '--instance', 'alpha'), 4, 'instance-config-mismatch: --instance alpha names its own config, but MOSAIC_CONFIG names another file', root);
+  refusedBy(mosaicConfig(dir, {}, 'validate', '--instance', join(dir, 'x')), 4, 'instance-name-invalid: that name must match', root);
+  const named = join(dir, '.config', 'mosaic-alpha');
+  mkdirSync(named, { recursive: true, mode: 0o700 });
+  mkdirSync(join(dir, '.mosaic-alpha'), { mode: 0o700 });
+  writeFileSync(join(named, 'config.json'), JSON.stringify({ ...good, dataRoot: join(dir, '.mosaic-alpha') }));
+  refusedBy(mosaicConfig(dir, {}, 'validate', '--instance', 'alpha'), 3, 'instance-root-unclaimed: the data root holds no instance.json naming alpha', root);
+  mkdirSync(join(dir, '.mosaic-alpha', 'instance.json'));
+  refusedBy(mosaicConfig(dir, {}, 'validate', '--instance', 'alpha'), 3, "instance-root-unclaimed: the data root's instance marker must be a regular, non-symbolic-link file", root);
+});
@@ -0,0 +1,312 @@
+// PR #1916 redaction (org-redact5): a CLI refusal names the file by its label,
+// never by host path. Every fixture here sits under a directory named for the
+// sentinel, so a refusal that quoted the path would carry it.
+import { test } from "node:test";
+import assert from "node:assert/strict";
+import { spawnSync } from "node:child_process";
+import { createServer } from "node:net";
+import { chmodSync, mkdirSync, mkdtempSync, rmSync, symlinkSync, writeFileSync } from "node:fs";
+import { tmpdir } from "node:os";
+import { dirname, join } from "node:path";
+import { gitSocketPath } from "../../seat/src/session.mjs";
+import { withLock } from "../src/access.mjs";
+import { fixtureFile, readFixture } from "../src/dev-fixture.mjs";
+import { createGitSocket } from "../src/git-socket.mjs";
+import { consoleStart, consoleStop } from "../src/org-console.mjs";
+import { claimHostLock, hostLock } from "../src/host.mjs";
+import { journalPath, openJournal } from "../src/notifier.mjs";
+import { readNotifyConfig } from "../src/notify-config.mjs";
+import { orgCommand } from "../src/org.mjs";
+import { instancesCommand } from "../src/instances.mjs";
+import { FIXTURE_ENTRY } from "../../plugins/model-provider/fixture/index.mjs";
+
+const SENTINEL = "sk-test-NOT-A-SECRET-1234";
+const ROOT_SKIP = process.getuid() === 0 && "root ignores the modes";
+
+function under(t) {
+  const top = mkdtempSync(join(tmpdir(), "redact-"));
+  t.after(() => rmSync(top, { recursive: true, force: true }));
+  const root = join(top, SENTINEL);
+  mkdirSync(root, { mode: 0o700 });
+  return root;
+}
+
+// The refusal is exactly `message` (a string) or matches it (a RegExp), with exit
+// code `exitCode`, and carries neither the sentinel nor any of `paths`.
+function refusal(message, { exitCode = 3, paths = [], code } = {}) {
+  return (error) => {
+    assert.equal(error.name, "CliError");
+    assert.equal(error.exitCode, exitCode);
+    if (code !== undefined) assert.equal(error.code, code);
+    if (message instanceof RegExp) assert.match(error.message, message);
+    else assert.equal(error.message, message);
+    assert.ok(!error.message.includes(SENTINEL), error.message);
+    for (const path of paths) assert.ok(!error.message.includes(path), error.message);
+    return true;
+  };
+}
+
+// --- access.json lock ---
+
+test("access lock: an unreadable lock is named by label, never by host path", (t) => {
+  const file = join(under(t), "access.json");
+  writeFileSync(`${file}.lock`, "not-a-pid\n", { mode: 0o600 });
+  assert.throws(() => withLock(file, () => assert.fail("must refuse")),
+    refusal("refused: access file lock is unreadable or not a pid; if no write is running, remove it by hand and try again", { paths: [file] }));
+});
+
+test("access lock: a lock left by a dead pid is named by label, never by host path", (t) => {
+  const file = join(under(t), "access.json");
+  const dead = spawnSync(process.execPath, ["-e", ""]);
+  writeFileSync(`${file}.lock`, `${dead.pid}\n`, { mode: 0o600 });
+  assert.throws(() => withLock(file, () => assert.fail("must refuse")),
+    refusal(`refused: access file lock is left by pid ${dead.pid}, which is not running; if no write is running, remove it by hand and try again`, { paths: [file] }));
+});
+
+// --- bus host lock ---
+
+const MINE = { pid: process.pid, startTime: "1", business: "acme", startedAt: "2026-11-10T00:00:00.000Z" };
+const STALE = { pid: 999999999, startTime: "1", business: "acme", startedAt: "2026-11-09T00:00:00.000Z" };
+
+function hostRoot(t, lock) {
+  const dataRoot = join(under(t), "data");
+  mkdirSync(join(dirname(hostLock(dataRoot))), { recursive: true, mode: 0o700 });
+  if (lock !== undefined) writeFileSync(hostLock(dataRoot), lock, { mode: 0o600 });
+  return dataRoot;
+}
+
+test("host lock: an unreadable host.lock refuses by label, never by host path", (t) => {
+  const dataRoot = hostRoot(t, "{not json");
+  assert.throws(() => claimHostLock(dataRoot, MINE), refusal("bus host state is unreadable", { paths: [dataRoot] }));
+});
+
+test("host lock: a malformed host.lock refuses by label, never by host path", (t) => {
+  const dataRoot = hostRoot(t, JSON.stringify({ pid: "x" }));
+  assert.throws(() => claimHostLock(dataRoot, MINE), refusal("bus host state is malformed", { paths: [dataRoot] }));
+});
+
+test("host lock: a stale host.lock refused on request is named by label, never by host path", (t) => {
+  const dataRoot = hostRoot(t, JSON.stringify(STALE));
+  assert.throws(() => claimHostLock(dataRoot, MINE, { refuseStale: true }), refusal("stale bus host lock", { paths: [dataRoot] }));
+});
+
+test("host lock: a lock that keeps changing is named by label, never by host path", (t) => {
+  const dataRoot = hostRoot(t, JSON.stringify(STALE));
+  let n = 0;
+  const race = () => writeFileSync(hostLock(dataRoot), JSON.stringify({ ...STALE, startedAt: `2026-11-09T00:00:${String(++n % 60).padStart(2, "0")}.000Z` }), { mode: 0o600 });
+  assert.throws(() => claimHostLock(dataRoot, MINE, { between: race }), refusal("bus host lock kept changing; no bus host started", { paths: [dataRoot] }));
+});
+
+// --- notify journal ---
+
+test("notify journal: a directory link, dangling or not, is refused by label", (t) => {
+  const root = under(t);
+  const dangling = journalPath(root, "demo");
+  mkdirSync(dirname(dirname(dangling)), { recursive: true, mode: 0o700 });
+  symlinkSync(join(root, "missing"), dirname(dangling));
+  assert.throws(() => openJournal(dangling), refusal("notify journal directory must not be a symlink", { paths: [dangling] }));
+  const real = join(root, "real");
+  mkdirSync(real, { mode: 0o700 });
+  const linked = journalPath(root, "acme");
+  symlinkSync(real, dirname(linked));
+  assert.throws(() => openJournal(linked), refusal("notify journal directory must not be a symlink", { paths: [linked] }));
+});
+
+test("notify journal: a parent that is a file is refused by its error code", (t) => {
+  const root = under(t);
+  writeFileSync(join(root, "plain"), "");
+  const file = join(root, "plain", "notify", "demo", "sent.jsonl");
+  assert.throws(() => openJournal(file), refusal("notify journal directory cannot be created (ENOTDIR)", { paths: [file] }));
+});
+
+test("notify journal: a directory of the wrong mode is refused by label", (t) => {
+  const file = journalPath(under(t), "demo");
+  mkdirSync(dirname(file), { recursive: true, mode: 0o755 });
+  chmodSync(dirname(file), 0o755);
+  assert.throws(() => openJournal(file), refusal("notify journal directory must be mode 0700 and owned by this user", { paths: [file] }));
+});
+
+test("notify journal: a directory it cannot write or create is refused by its error code", { skip: ROOT_SKIP }, (t) => {
+  const root = under(t);
+  const file = journalPath(root, "demo");
+  mkdirSync(dirname(file), { recursive: true, mode: 0o700 });
+  chmodSync(dirname(file), 0o500);
+  try {
+    assert.throws(() => openJournal(file), refusal("notify journal directory is not writable (EACCES)", { paths: [file] }));
+  } finally {
+    chmodSync(dirname(file), 0o700);
+  }
+  const parent = dirname(dirname(file));
+  const other = journalPath(root, "acme");
+  chmodSync(parent, 0o500);
+  try {
+    assert.throws(() => openJournal(other), refusal("notify journal directory cannot be created (EACCES)", { paths: [other] }));
+  } finally {
+    chmodSync(parent, 0o700);
+  }
+});
+
+test("notify journal: a journal link, an unwritable journal and a directory journal are refused by label", { skip: ROOT_SKIP }, (t) => {
+  const root = under(t);
+  const file = journalPath(root, "demo");
+  mkdirSync(dirname(file), { recursive: true, mode: 0o700 });
+  writeFileSync(join(root, "elsewhere.jsonl"), "", { mode: 0o600 });
+  symlinkSync(join(root, "elsewhere.jsonl"), file);
+  assert.throws(() => openJournal(file), refusal("notify journal must not be a symlink", { paths: [file] }));
+  rmSync(file);
+  writeFileSync(file, "", { mode: 0o400 });
+  chmodSync(file, 0o400);
+  assert.throws(() => openJournal(file), refusal("notify journal is not writable (EACCES)", { paths: [file] }));
+  const asDir = journalPath(root, "acme");
+  mkdirSync(asDir, { recursive: true, mode: 0o700 });
+  assert.throws(() => openJournal(asDir), refusal("notify journal must be a regular file, mode 0600, owned by this user", { paths: [asDir] }));
+});
+
+test("notify journal: a journal of the wrong mode and a malformed line are refused by label", (t) => {
+  const file = journalPath(under(t), "demo");
+  mkdirSync(dirname(file), { recursive: true, mode: 0o700 });
+  writeFileSync(file, "", { mode: 0o644 });
+  chmodSync(file, 0o644);
+  assert.throws(() => openJournal(file), refusal("notify journal must be a regular file, mode 0600, owned by this user", { paths: [file] }));
+  chmodSync(file, 0o600);
+  writeFileSync(file, "not json\n");
+  assert.throws(() => openJournal(file), refusal("notify journal line 1 is malformed (json)", { paths: [file] }));
+});
+
+// --- notifier config ---
+
+function notifyRoot(t, text, mode = 0o600) {
+  const dataRoot = join(under(t), "data");
+  const dir = join(dataRoot, "notify", "acme");
+  mkdirSync(dir, { recursive: true, mode: 0o700 });
+  if (text !== undefined) {
+    writeFileSync(join(dir, "notify.json"), text, { mode });
+    chmodSync(join(dir, "notify.json"), mode);
+  }
+  return dataRoot;
+}
+
+test("notifier config: a missing file names the business and its place under the data root", (t) => {
+  const dataRoot = notifyRoot(t);
+  assert.throws(() => readNotifyConfig(dataRoot, "acme"),
+    refusal('no notifier config for acme: write {"notifyVersion": 1, "binding": "<discord binding>"} to notify/acme/notify.json under the data root, mode 0600, or "binding": null to run without DMs', { paths: [dataRoot] }));
+});
+
+test("notifier config: a file of the wrong mode names the business only", (t) => {
+  const dataRoot = notifyRoot(t, JSON.stringify({ notifyVersion: 1, binding: null }), 0o644);
+  assert.throws(() => readNotifyConfig(dataRoot, "acme"), refusal("notifier config for acme must be a regular file, mode 0600, owned by this user", { paths: [dataRoot] }));
+});
+
+test("notifier config: a file that is not JSON names the business only", (t) => {
+  const dataRoot = notifyRoot(t, "{not json");
+  assert.throws(() => readNotifyConfig(dataRoot, "acme"), refusal("notifier config for acme is not JSON", { paths: [dataRoot] }));
+});
+
+test("notifier config: a file of the wrong shape names the business only", (t) => {
+  const dataRoot = notifyRoot(t, JSON.stringify({ notifyVersion: 1, binding: null, extra: 1 }));
+  assert.throws(() => readNotifyConfig(dataRoot, "acme"), refusal('notifier config for acme must be exactly {"notifyVersion": 1, "binding": <binding name> | null}', { paths: [dataRoot] }));
+});
+
+// --- dev fixture ---
+
+const RECORD = { fixtureVersion: 1, model: "deterministic", endpoint: "http://127.0.0.1:45678", port: 45678, pid: 999999, instance: "fxtest", entry: FIXTURE_ENTRY };
+
+function fixtureRoot(t, { record = RECORD, text = JSON.stringify(record), dirMode = 0o700, fileMode = 0o600 } = {}) {
+  const dataRoot = join(under(t), "data");
+  const file = fixtureFile(dataRoot);
+  mkdirSync(dirname(file), { recursive: true, mode: dirMode });
+  chmodSync(dirname(file), dirMode);
+  if (text !== null) {
+    writeFileSync(file, text, { mode: fileMode });
+    chmodSync(file, fileMode);
+  }
+  return dataRoot;
+}
+
+test("dev fixture: a shared fixture directory is refused by label", (t) => {
+  const dataRoot = fixtureRoot(t, { dirMode: 0o755 });
+  assert.throws(() => readFixture(dataRoot), refusal("fixture-state-unsafe: dev-fixture directory is not a private directory of this user", { code: "fixture-state-unsafe", paths: [dataRoot] }));
+});
+
+test("dev fixture: a linked fixture file is refused by label and error code", (t) => {
+  const dataRoot = fixtureRoot(t, { text: null });
+  writeFileSync(join(dataRoot, "elsewhere.json"), JSON.stringify(RECORD), { mode: 0o600 });
+  symlinkSync(join(dataRoot, "elsewhere.json"), fixtureFile(dataRoot));
+  assert.throws(() => readFixture(dataRoot), refusal("fixture-state-unsafe: fixture.json can't be opened (ELOOP)", { code: "fixture-state-unsafe", paths: [dataRoot] }));
+});
+
+test("dev fixture: a shared fixture file is refused by label", (t) => {
+  const dataRoot = fixtureRoot(t, { fileMode: 0o644 });
+  assert.throws(() => readFixture(dataRoot), refusal("fixture-state-unsafe: fixture.json is not a private file of this user", { code: "fixture-state-unsafe", paths: [dataRoot] }));
+});
+
+test("dev fixture: a fixture file that is not JSON is refused by label", (t) => {
+  const dataRoot = fixtureRoot(t, { text: "not json" });
+  assert.throws(() => readFixture(dataRoot), refusal("fixture-state-invalid: fixture.json is not JSON", { code: "fixture-state-invalid", paths: [dataRoot] }));
+});
+
+test("dev fixture: a non-loopback endpoint and a record of the wrong shape are refused by label", (t) => {
+  let dataRoot = fixtureRoot(t, { record: { ...RECORD, endpoint: "http://0.0.0.0:45678" } });
+  assert.throws(() => readFixture(dataRoot), refusal("fixture-endpoint-not-loopback: fixture.json names an endpoint that is not http://127.0.0.1:<port>", { code: "fixture-endpoint-not-loopback", paths: [dataRoot] }));
+  dataRoot = fixtureRoot(t, { record: { ...RECORD, port: 1 } });
+  assert.throws(() => readFixture(dataRoot), refusal("fixture-state-invalid: fixture.json is not a fixture record", { code: "fixture-state-invalid", paths: [dataRoot] }));
+});
+
+// --- git socket ---
+
+test("git socket: a path that exists and is not a socket is refused by label", async (t) => {
+  const dataRoot = join(under(t), "data");
+  const path = gitSocketPath(dataRoot);
+  mkdirSync(dirname(path), { recursive: true, mode: 0o700 });
+  writeFileSync(path, "", { mode: 0o600 });
+  const sock = createGitSocket({ host: {}, business: { id: "acme", projects: {} }, dataRoot, env: {}, log: () => {} });
+  await assert.rejects(sock.listen(), refusal("git socket path exists and isn't a socket", { paths: [dataRoot, path] }));
+});
+
+// --- console launch ---
+
+// The Console is given a port this test holds, so its listen fails and it exits at
+// startup. Should it start anyway, it is stopped before the tree goes.
+test("console: a Console that exits at startup is named by its log under the data root, never by host path", { timeout: 60000 }, async (t) => {
+  const root = under(t);
+  const ctx = { configDir: join(root, "config"), dataRoot: join(root, "data"), instance: "redact", env: { PATH: process.env.PATH, HOME: root } };
+  for (const dir of [ctx.configDir, ctx.dataRoot]) mkdirSync(dir, { mode: 0o700 });
+  const held = createServer();
+  await new Promise((resolve, reject) => held.once("error", reject).listen(0, "127.0.0.1", resolve));
+  try {
+    await assert.rejects(consoleStart(ctx, { detach: true, port: String(held.address().port), warn: () => {} }),
+      refusal(/^console failed to start; see console\/console-[0-9]+-[0-9]+\.log under the data root$/, { paths: [ctx.dataRoot] }));
+  } finally {
+    await consoleStop(ctx, { warn: () => {} }).catch(() => {});
+    await new Promise((resolve) => held.close(resolve));
+  }
+});
+
+// --- review round (org-redact5 Sol P2 #3): documents, --vars and raw fs errors ---
+
+const quietIo = () => ({ stdout: { write: () => true }, stderr: { write: () => true } });
+
+test("org validate: a missing or invalid document is refused by kind, never by host path or bytes", async (t) => {
+  const root = under(t), missing = join(root, "missing.json"), bad = join(root, "bad.json");
+  writeFileSync(bad, `{"${SENTINEL}": `, { mode: 0o600 });
+  await assert.rejects(orgCommand(["validate", missing], quietIo()), refusal("cannot read organization document: ENOENT", { exitCode: 2, paths: [missing, root] }));
+  await assert.rejects(orgCommand(["validate", bad], quietIo()), refusal("cannot read organization document: not valid JSON", { exitCode: 2, paths: [bad, root] }));
+});
+
+test("org template render: a raw filesystem error is named by operation and code, never by host path", async (t) => {
+  const root = under(t), output = join(root, "alpha.json");
+  writeFileSync(output, "{}\n", { mode: 0o600 });
+  await assert.rejects(orgCommand(["template", "render", "alpha", "--output", output], quietIo()),
+    refusal("EEXIST: cannot open (EEXIST)", { exitCode: 2, paths: [output, root] }));
+});
+
+test("instance set: a missing or invalid --vars file is refused by flag and kind, never by host path or bytes", async (t) => {
+  const root = under(t), missing = join(root, "vars.json"), bad = join(root, "bad.json");
+  writeFileSync(bad, `{"${SENTINEL}": `, { mode: 0o600 });
+  const rev = "a".repeat(64);
+  const callFor = () => assert.fail("must refuse before any call");
+  await assert.rejects(instancesCommand(["instance", "set", "acme", "coder", "--vars", missing, "--revision", rev], quietIo(), callFor),
+    refusal("--vars file: ENOENT", { exitCode: 4, paths: [missing, root] }));
+  await assert.rejects(instancesCommand(["instance", "set", "acme", "coder", "--vars", bad, "--revision", rev], quietIo(), callFor),
+    refusal("--vars file: not valid JSON", { exitCode: 4, paths: [bad, root] }));
+});
@@ -130,7 +130,8 @@ test('#774 F1 proxy launch of an agent with no key yet passes the first check un
 // claude-code module on claude-opus-5-5 (provider anthropic); MOSAIC_CLAUDE_BIN decides whether its
 // preflight passes. The stated fallback is pi on glm-5.3-flash (provider zai).
 const NO_CLAUDE = '/nonexistent-774/claude';
-const NO_CLAUDE_WHY = `MOSAIC_CLAUDE_BIN ${NO_CLAUDE} isn't an executable file at an absolute path`;
+// #1873: names the variable, never its value (was `MOSAIC_CLAUDE_BIN ${NO_CLAUDE} isn't ...`).
+const NO_CLAUDE_WHY = "MOSAIC_CLAUDE_BIN isn't an executable file at an absolute path";
 const routed = (t, bin) => managedLaunchFixture(t, { harness: 'claude-code', extra: ['pi'], real: ['claude-code'], hostEnv: { MOSAIC_CLAUDE_BIN: bin } });
 const withFallback = (doc, harness = 'pi', model = 'glm-5.3-flash') => {
  claudeCoder(doc);
@@ -112,7 +112,7 @@ test("rename r2 B2: a credential problem, an expiry warning and a system config
  for (const args of [["validate", "acme"], ["resolve", "acme", "coder"]]) {
    const { old, now } = await sameAcrossSpellings(args, bad.env, bad.root, 2);
    assert.equal(now.stderr, old.stderr, "a refusal is byte for byte the same, unnormalized");
-    assert.match(old.stderr, /^mosaic business: .*coder-gitea\.token.*mode 644/m);
+    assert.match(old.stderr, /^mosaic business: (?:roles\.coder\.credentials\.gitea|coder gitea) file: mode 644/m);
    assert.match(old.stderr, /credential reference problem\(s\)\n$/);
  }
  const soon = new Date(Date.now() + 3 * 86400000).toISOString().slice(0, 10);
@@ -169,7 +169,7 @@ test("rename r2 B2: a draft file named like an installed ID: org validate reads
  rmSync(join(cwd, "acme"));
  const noDraft = spawn(MOSAIC, ["org", "validate", "acme"], env, cwd);
  assert.equal(noDraft.status, 2);
-  assert.match(noDraft.stderr, /^mosaic: cannot read document acme: /);
+  assert.equal(noDraft.stderr, "mosaic: cannot read organization document: ENOENT\n");
  writeJson(join(cwd, "acme"), await templateRender("acme", { fixture: "local" }));
  rmSync(join(root, "config", "businesses", "acme.json"));
  const noInstalled = spawn(MOSAIC, ["org", "config", "validate", "acme"], env, cwd);
@@ -1,3 +1,4 @@
+import { ownerAccounts } from '../../webui/tests/helpers/owner-accounts.mjs';
 import assert from 'node:assert/strict';
 import { fork } from 'node:child_process';
 import { once } from 'node:events';
@@ -119,7 +120,7 @@ export async function lifecycleFixture(t) {
  const issuer = op.issuer('fixture');
  sso = await createSso({ publicOrigin: ORIGIN, providers: [{ id: 'fixture', issuer: issuer.issuer, clientId: issuer.clientId,
    clientSecret: { slot: 'fixture' }, algs: ['RS256'], subjects: [{ sub: 'owner', name: 'jason' }] }] },
-    { secrets: new Map([['fixture', issuer.clientSecret]]), fetch: op.fetch, log: () => {} });
+    { accounts: ownerAccounts({ providers: [{ id: 'fixture', subjects: [{ sub: 'owner', name: 'jason' }] }] }), secrets: new Map([['fixture', issuer.clientSecret]]), fetch: op.fetch, log: () => {} });
  const transport = async (verb, args, ctx) => {
    try { return await rpc('console', { verb, args, subject: ctx.subject }); }
    catch (e) { appendFileSync(join(root, 'console-errors.jsonl'), JSON.stringify({ verb, code: e.code, detail: e.detail })+'\n'); throw new BusReadError(e.code ?? 'outcome-unknown', 503); }
@@ -21,11 +21,11 @@ const OTHER = '11111111-2222-4333-8444-555555555555';
 let n = 0;

 // An instance with org alpha and one finished run for THREAD.
-async function world({ run = 'r0123456789ab' } = {}) {
+async function world({ run = 'r0123456789ab', under = HOME } = {}) {
  const name = `ev${++n}`;
  const env = { PATH: process.env.PATH, HOME, MOSAIC_CONFIG: join(HOME, '.config', `mosaic-${name}`, 'config.json') };
  mkdirSync(dirname(env.MOSAIC_CONFIG), { recursive: true, mode: 0o700 });
-  const dataRoot = join(HOME, `data-${name}`); mkdirSync(dataRoot, { mode: 0o700 });
+  const dataRoot = join(under, `data-${name}`); mkdirSync(dataRoot, { recursive: true, mode: 0o700 });
  const org = await reserveOrg({ configDir: dirname(env.MOSAIC_CONFIG), dataRoot, instance: name, principal: DEV_OWNER }, 'alpha');
  const runDir = join(runsDir(org.root, 'alpha'), run);
  mkdirSync(join(runDir, 'bundle'), { recursive: true, mode: 0o700 });
@@ -132,6 +132,27 @@ test('no launch for the thread, an unknown org and a usage error', async () => {
  await assert.rejects(runCommand(['evidence', 'alpha', '--thread', THREAD], io({ PATH: process.env.PATH, HOME }), { system: { dataRoot: w.dataRoot } }), e => e.exitCode === 3 && e.code === 'run-evidence-instance-refused');
 });

+// PR #1916 (org-redact5): a refusal names the launch log by label, never by host path.
+const SENTINEL = 'sk-test-NOT-A-SECRET-1234';
+const noPath = (e, w) => !e.message.includes(SENTINEL) && !e.message.includes(w.dataRoot) && !e.message.includes(w.log);
+
+test('a launch log of the wrong mode refuses by label, never by host path', async () => {
+  const w = await world({ under: join(HOME, SENTINEL) });
+  chmodSync(w.log, 0o644);
+  const r = await evidence(w, ['--thread', THREAD, '--json']);
+  assert.equal(r.error?.exitCode, 3);
+  assert.equal(r.error.message, 'run-evidence-refused: launch log: mode 644, expected 600');
+  assert.ok(noPath(r.error, w), r.error.message);
+});
+
+test('no launch for the thread names the launch log by label, never by host path', async () => {
+  const w = await world({ under: join(HOME, SENTINEL) });
+  const r = await evidence(w, ['--thread', '99999999-2222-4333-8444-555555555555', '--json']);
+  assert.equal(r.error?.exitCode, 2);
+  assert.equal(r.error.message, 'no launch for thread 99999999-2222-4333-8444-555555555555 in the launch log');
+  assert.ok(noPath(r.error, w), r.error.message);
+});
+
 test('a thread name resolves through the bus with the org as business', async () => {
  const w = await world();
  const seen = [];
@@ -12,6 +12,8 @@ import {createOwnedRunner} from './fixtures/owned-child.mjs';
 import {pathToFileURL} from 'node:url';
 import {fixture,notifyConfig,BUSINESSES} from './helpers.mjs';
 import {reserveOrg,activateOrg} from '../../business/src/org-registry.mjs';
+import {writeDeployment} from '../src/deployment.mjs';
+import {fakeOidc} from '../../webui/tests/helpers/fake-oidc.mjs';
 const ROOT=fileURLToPath(new URL('../../..',import.meta.url)).replace(/\/$/,'');
 const git=(cwd,...args)=>execFileSync('git',['-c','user.name=fixture','-c','user.email=fixture@invalid','-c','commit.gpgsign=false','-c','core.hooksPath=/dev/null','-C',cwd,...args],{encoding:'utf8'}).trim();
 export function setup(t, realPin=false){
@@ -58,6 +60,7 @@ test('a copy carries every file the harness modules read from it',async t=>{
 test('shared copy: npm ci, pushed reachability, readonly/existing copy, webui delegation',async t=>{
 const s=setup(t),r=(await s.run('stack-copy.sh',['copy',s.id,'--copies',s.copies]));assert.equal(r.status,0,r.stderr);
 const copy=join(s.copies,s.id);assert.equal(statSync(copy).mode&0o777,0o555);
+ assert.deepEqual(JSON.parse(readFileSync(join(copy,'.stack-build.json'),'utf8')), {commit:s.id}); assert.equal(statSync(join(copy,'.stack-build.json')).mode&0o222,0);
 for(const f of ['scripts/mosaic','adapters/pi/adapter.sh','packages/queue/src/cli.mjs','package.json','package-lock.json','packages/tasks/requirements.json','packages/project/src/index.mjs','packages/library/src/index.mjs','packages/project/schemas/project.schema.json','packages/project/templates/north-star.md','packages/plugins/src/kinds.mjs','packages/plugins/src/loader.mjs','packages/processing-control/src/state.mjs','packages/processing-control/src/containers.mjs','packages/processing-control/src/effects.mjs'])assert.ok(existsSync(join(copy,f)),f);
 const npm=join(s.bin,'npm');writeFileSync(npm,'#!/bin/sh\nexit 99\n');chmodSync(npm,0o755);
 const existing=(await s.run('webui-service.sh',['copy',s.id,'--copies',s.copies]));assert.equal(existing.status,0);assert.equal(existing.stdout,`exists: ${copy}\n`);unlinkSync(npm);
@@ -139,7 +142,7 @@ async function childResult(command,args,env,input){
 const timer=setTimeout(()=>p.kill('SIGKILL'),15000);
 try{const [status]=await once(p,'close');return {status,stdout,stderr};}finally{clearTimeout(timer)}
 }
-test('real pinned install loads bus and Console; same-copy mosaic talk passes proof, other trees refuse', {timeout:180000},async t=>{
+test('real pinned install loads bus and Console; the Console starts only with --sso and its deployed prerequisites; same-copy mosaic talk passes proof, other trees refuse', {timeout:180000},async t=>{
 const s=setup(t,true);
 const copied=(await s.run('stack-copy.sh',['copy',s.id,'--copies',s.copies]));assert.equal(copied.status,0,copied.stderr);
 const root=join(s.copies,s.id),url=f=>pathToFileURL(join(root,f)).href;
@@ -156,7 +159,24 @@ test('real pinned install loads bus and Console; same-copy mosaic talk passes pr
 host.stdout.on('data',c=>hostOut+=c);host.stderr.on('data',c=>hostErr+=c);
 try{await until(()=>hostOut.includes('\"org\":\"acme\"')||host.exitCode!==null);assert.match(hostOut,/\"org\":\"acme\"/,hostErr);}
 finally{if(host.exitCode===null&&host.signalCode===null){const done=once(host,'close');const stop=spawnSync(join(root,'scripts/mosaic'),['bus','stop','acme'],{env,encoding:'utf8'});assert.equal(stop.status,0,stop.stderr);await done;}}
- const web=spawn(process.execPath,[join(root,'packages/webui/src/cli.mjs'),'serve','--port','0','--business','acme','--board','http://127.0.0.1:9'],{env,stdio:['ignore','pipe','pipe']});let webOut='',webErr='';
+ // The copy is stamped (M3): its Console starts only with --sso, console.sso and its slot, .deployed and accounts.json.
+ const serveArgs=sso=>[join(root,'packages/webui/src/cli.mjs'),'serve','--port','0','--business','acme','--board','http://127.0.0.1:9',...(sso?['--sso']:[])];
+ const op=await fakeOidc();t.after(()=>op.close());const iss=op.issuer('a');
+ const ca=join(s.root,'ca.pem');writeFileSync(ca,op.cert);const webEnv={...env,NODE_EXTRA_CA_CERTS:ca};
+ const startRefused=async(sso,why)=>{const r=await childResult(process.execPath,serveArgs(sso),webEnv,'');assert.equal(r.status,2,r.stderr);assert.match(r.stderr,why);assert.doesNotMatch(r.stdout,/Mosaic Console:/);};
+ await startRefused(false,/stamped build serve requires --sso/);
+ await startRefused(true,/\.deployed is missing or invalid/);
+ writeDeployment({dataRoot:f.dataRoot},configDir);
+ await startRefused(true,/accounts file not found/);
+ writeFileSync(join(configDir,'accounts.json'),JSON.stringify({accountsVersion:1,revision:1,users:[{id:'u-000000000001',subjects:[{provider:'a',sub:'owner'}],name:'Owner',instanceRole:'operator',state:'active',authGen:1,created:'2026-11-10T00:00:00Z'}],memberships:[],invites:[]}),{mode:0o600});
+ await startRefused(true,/must be a configured provider/);
+ const config=JSON.parse(readFileSync(env.MOSAIC_CONFIG,'utf8'));
+ config.console={sso:{publicOrigin:'https://console.test',providers:[{id:'a',issuer:iss.issuer,clientId:iss.clientId,clientSecret:{slot:'a'},algs:['RS256'],subjects:[{sub:'owner',name:'Owner'}]}]}};
+ writeFileSync(env.MOSAIC_CONFIG,JSON.stringify(config));
+ await startRefused(true,/client secret slot is missing/);
+ mkdirSync(join(configDir,'secrets','mosaic-stack'),{recursive:true,mode:0o700});
+ const slot=join(configDir,'secrets','mosaic-stack','a');writeFileSync(slot,iss.clientSecret,{mode:0o600});chmodSync(slot,0o600);
+ const web=spawn(process.execPath,serveArgs(true),{env:webEnv,stdio:['ignore','pipe','pipe']});let webOut='',webErr='';
 web.stdout.on('data',c=>webOut+=c);web.stderr.on('data',c=>webErr+=c);
 try{await until(()=>/Mosaic Console: http:/.test(webOut)||web.exitCode!==null);const port=webOut.match(/127\.0\.0\.1:(\d+)/)?.[1];assert.ok(port,webErr);assert.equal((await fetch(`http://127.0.0.1:${port}/healthz`)).status,200);}
 finally{if(web.exitCode===null&&web.signalCode===null){const done=once(web,'close');web.kill();await done;}}
@@ -133,7 +133,9 @@ test("T-I1 bootstrap --instance creates each instance's config, root and marker
    for (const name of ["gamma", "worktrees", "delta"]) {
      const r = bootstrap(home, "--instance", name);
      assert.equal(r.code, 3, r.err);
-      assert.match(r.err, new RegExp(`instance-root-unclaimed: ${join(home, `.mosaic-${name}`)} exists, is not empty and holds no instance.json naming ${name}; nothing was written`));
+      // #1873: the data root by its role, never its path.
+      assert.match(r.err, new RegExp(`instance-root-unclaimed: the instance's data root exists, is not empty and holds no instance.json naming ${name}; nothing was written`));
+      assert.ok(!r.err.includes(home), r.err);
      assert.equal(existsSync(join(home, ".config", `mosaic-${name}`)), false);
    }
    assert.deepEqual(snapshot(home), before);
@@ -154,7 +156,8 @@ test("T-I1 bootstrap --instance creates each instance's config, root and marker
    const before = snapshot(home);
    const r = bootstrap(home, "--instance", "alpha");
    assert.equal(r.code, 3);
-    assert.match(r.err, /instance-root-unclaimed: .*\.mosaic-alpha holds no instance\.json naming alpha/);
+    assert.match(r.err, /instance-root-unclaimed: the data root holds no instance\.json naming alpha/);
+    assert.ok(!r.err.includes(home), r.err);
    assert.deepEqual(snapshot(home), before);
  });

@@ -262,7 +265,8 @@ test("T-I2 selection: the four rows of D1 through the instance op and through an
        const r = config(home, { MOSAIC_CONFIG: given }, op, "--instance", "alpha");
        assert.equal(r.code, 4, `${op} ${given}: ${r.err}`);
        assert.equal(r.out, "");
-        assert.match(r.err, new RegExp(`instance-config-mismatch: --instance alpha names ${cfgOf(home, "alpha")}, but MOSAIC_CONFIG names ${given}`));
+        assert.match(r.err, /instance-config-mismatch: --instance alpha names its own config, but MOSAIC_CONFIG names another file/);
+        assert.ok(!r.err.includes(home) && !r.err.includes(given), r.err);
      }
    }
  });
@@ -270,7 +274,9 @@ test("T-I2 selection: the four rows of D1 through the instance op and through an
  await t.test("a named instance with no config exits 3 with its own bootstrap hint", () => {
    const r = config(home, {}, "instance", "--instance", "gamma");
    assert.equal(r.code, 3);
-    assert.match(r.err, /configuration not found: .*mosaic-gamma\/config\.json \(run scripts\/bootstrap\.sh --instance gamma to create it\)/);
+    // #1873: the refusal names the config by its instance, never by host path.
+    assert.match(r.err, /configuration not found: the config of instance gamma \(run scripts\/bootstrap\.sh --instance gamma to create it\)/);
+    assert.ok(!r.err.includes(cfgOf(home, "gamma")) && !r.err.includes(home), r.err);
  });

  await t.test("an entry point takes --instance in any position, once, and refuses a mismatch before it prints", () => {
@@ -326,7 +332,8 @@ test("T-I7 claims: the instance op refuses a root another instance claims, and a
      const r = config(home, {}, op, "--instance", "alpha");
      assert.equal(r.code, 3, `${op}: ${r.err}`);
      assert.equal(r.out, "");
-      assert.match(r.err, new RegExp(`instance-root-mismatch: ${join(home, ".mosaic-beta")} is claimed by instance beta, not alpha`));
+      assert.match(r.err, /instance-root-mismatch: the data root is claimed by instance beta, not alpha/);
+      assert.ok(!r.err.includes(home), r.err);
    }
    edit("alpha", join(home, ".mosaic-alpha"));
    assert.equal(config(home, {}, "instance", "--instance", "alpha").code, 0);
@@ -336,7 +343,8 @@ test("T-I7 claims: the instance op refuses a root another instance claims, and a
    for (const op of ["instance"]) {
      const r = config(home, { MOSAIC_CONFIG: cfgOf(home, "alpha") }, op);
      assert.equal(r.code, 3, r.err);
-      assert.match(r.err, new RegExp(`instance-root-mismatch: ${join(home, ".mosaic-alpha")} is claimed by instance alpha; select it with --instance alpha`));
+      assert.match(r.err, /instance-root-mismatch: the data root is claimed by instance alpha; select it with --instance alpha/);
+      assert.ok(!r.err.includes(home), r.err);
    }
  });
				`@@ -0,0 +1 @@`
				`export * from "../../organization/src/hire-decisions.mjs";`