docs(fleet): add operator configuration guide (#789)
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This commit was merged in pull request #789.
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2026-07-20 05:22:25 +00:00
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@@ -1,6 +1,6 @@
# Fleet Generated Environment Boundary
**Card:** FCM-M2-001 · **Issue:** #758 · **Status:** unreleased/card-local
**Card:** FCM-M2-001 · **Issue:** #758 · **Status:** merged contract
The local fleet roster is the desired-state authority. A launch reads a deterministic,
roster-derived generated projection and an optional strictly data-only local file; neither file is
@@ -8,14 +8,14 @@ a second roster or a command configuration surface.
## Paths and ownership
For agent `<name>` under `<MOSAIC_HOME>/fleet/agents/`:
For agent <name> under <MOSAIC_HOME>/fleet/agents/:
| Path | Owner | Purpose |
| ----------------------- | ------------------------ | ---------------------------------------------------------------------------------------------------------------------------- |
| `<name>.env.generated` | Mosaic projection writer | Complete deterministic launch data rendered from the authoritative roster. |
| `<name>.env.local` | Operator | Optional, constrained local machine data. It cannot shadow generated keys. |
| `<name>.env` | Legacy input only | Read once during projection generation, then regenerated/relocated or privately quarantined. It is never a launch authority. |
| `<name>.env.quarantine` | Mosaic quarantine | Mode-`0600` private record of forbidden legacy input; it is never read by the launcher. |
| Path | Owner | Purpose |
| --------------------- | ------------------------ | ---------------------------------------------------------------------------------------------------------------------------- |
| <name>.env.generated | Mosaic projection writer | Complete deterministic launch data rendered from the authoritative roster. |
| <name>.env.local | Operator | Optional, constrained local machine data. It cannot shadow generated keys. |
| <name>.env | Legacy input only | Read once during projection generation, then regenerated/relocated or privately quarantined. It is never a launch authority. |
| <name>.env.quarantine | Mosaic quarantine | Mode-`0600` private record of forbidden legacy input; it is never read by the launcher. |
The systemd templates do not load either environment file. They invoke Bash with a fixed, cleared
bootstrap environment; the launcher reads and validates `.env.generated` and `.env.local` itself before
@@ -44,7 +44,7 @@ MOSAIC_AGENT_WORKDIR=<absolute roster work directory>
MOSAIC_TMUX_SOCKET=<roster socket or empty>
```
The generated launch contract supports only `claude`, `codex`, `opencode`, and `pi`. `fleet add`
The generated launch contract supports only `claude`, `codex`, `opencode`, and `pi`. fleet add
uses that same runtime authority and rejects any other runtime before it writes the roster or changes
projection, local, or quarantine files. The legacy dogfood stub on its separate `mosaic-factory`
socket remains an observability canary; it has no generated-launch adapter and cannot be added through
@@ -62,7 +62,7 @@ Local paths must be safe absolute paths and the interval must be a positive inte
quoted/export syntax, duplicate keys, unknown keys, generated-key shadowing, sensitive key names,
and `MOSAIC_AGENT_COMMAND` are rejected. The launcher derives the only executable command from the
validated runtime, model, and reasoning data; no arbitrary command compatibility path exists. When a
Pi runtime writes a fresh `<name>.hb.native` marker, its native heartbeat remains authoritative; the
Pi runtime writes a fresh <name>.hb.native marker, its native heartbeat remains authoritative; the
shell sidecar resumes its `status=ok` fallback only after that marker is stale or absent.
## Legacy disposition
@@ -78,14 +78,14 @@ This card does not add a USC site file, write a USC roster, or run a site canary
consolidated downstream interface packet. Status is deliberately separated from checkout presence: no
product release version has been evidenced for this interface set.
| Interface | Canonical public path and version | Tracker/release status | Downstream limit |
| ----------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------- |
| M1 structural compiler | `parseRosterV2` in `packages/mosaic/src/fleet/roster-v2.ts`; schema `docs/fleet/reference/roster-v2.schema.json`; roster `version: 2` | FCM-M1-001 is recorded done, merged as #764 (`aa5b43b`); no released product version is asserted here. | Parse YAML/JSON and canonicalize a supplied v2 site roster without writes. |
| M1 semantic resolver | `validateRosterV2Semantics` in `packages/mosaic/src/fleet/roster-v2.ts`; baseline `framework/fleet/roles/` plus `roles.local/` | FCM-M1-002 remains `in-progress` in `docs/TASKS.md`; unreleased. | Reuse the shared resolver only; no parallel role resolver or lifecycle action. |
| M1 disposition evidence | `packages/mosaic/src/fleet/example-profile-dispositions.ts`; `docs/fleet/migration/example-profile-disposition.md`; retained fixture `version: 1` | FCM-M1-003 remains `not-started` in `docs/TASKS.md`; unreleased even though these checkout artifacts are inspectable. | Inspect fixture/profile/service disposition evidence only; it is not migration authorization. |
| M2 generated boundary | `packages/mosaic/src/fleet/generated-env-boundary.ts`; generated projection contract in this document | FCM-M2-001 card-local and uncommitted; unreleased. | Render/write a roster-derived projection; local input is never authority. |
| Interface | Canonical public path and version | Tracker/release status | Downstream limit |
| ----------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------- |
| M1 structural compiler | `parseRosterV2` in `packages/mosaic/src/fleet/roster-v2.ts`; schema `docs/fleet/reference/roster-v2.schema.json`; roster version: 2 | FCM-M1-001 is recorded done, merged as #764 (`aa5b43b`); no released product version is asserted here. | Parse YAML/JSON and canonicalize a supplied v2 site roster without writes. |
| M1 semantic resolver | `validateRosterV2Semantics` in `packages/mosaic/src/fleet/roster-v2.ts`; baseline `framework/fleet/roles/` plus `roles.local/` | FCM-M1-002 merged as #768 (`a5e8e55`); no released product version is asserted here. | Reuse the shared resolver only; no parallel role resolver or lifecycle action. |
| M1 disposition evidence | `packages/mosaic/src/fleet/example-profile-dispositions.ts`; `docs/fleet/migration/example-profile-disposition.md`; retained fixture version: 1 | FCM-M1-003 merged as #770 (`e9c4aa3`); checkout evidence remains validation, not migration authorization. | Inspect fixture/profile/service disposition evidence only; it is not migration authorization. |
| M2 generated boundary | `packages/mosaic/src/fleet/generated-env-boundary.ts`; generated projection contract in this document | FCM-M2-001 merged as #772 (`191efae`); no released product version is asserted here. | Render/write a roster-derived projection; local input is never authority. |
The canonical source remains `<MOSAIC_HOME>/fleet/roster.yaml` for the current local fleet path.
The canonical source remains <MOSAIC_HOME>/fleet/roster.yaml for the current local fleet path.
Generated environment data is a rebuildable projection, not an operator-editable source of membership,
runtime policy, or lifecycle state.