docs(prd): fold 2026-07-09 debate-pass findings into Mosaic Platform PRD
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All 24 panel findings (P0#1-5, P1#6-13, P2/P3#14-24) accepted and folded: - DEBATE-FINDINGS.md: disposition record + open-disagreement judgment calls - north-star: NS-14, J2a/J2b split, J6 wake router, K3 push pipeline, M1 memory subsystem, workstream L (MALS lineage), real DAG edges - J: workspace lease J-R16, resume protocol J-R18, write-side trust, needs-decision lifecycle, atomic card publish - P: CAS approval state machine, gateway-only credentials, default-closed gating, principal resolution + policy snapshot (Codex #2/#7) - W: butt-in exclusive lease, structured control plane, break-glass doctrine, trial metric panels - Q: external_refs table, pending-link, echo-loop guard, crash barriers - X: storage authority (Postgres sole record), machine-generated census, memory retrieval-eval retirement gate, honest rollback scope, 4 artifact-existence machine gates, bounded day-30 review - README: Gate Zero, conflict register, DoD line, silent-roster rule One item OPEN for Jason at ratification: gate superstructure (§3.1). Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01RMoEx7hfdFGjUiCHuN1RRi
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# PRD — Permission Relay · Workstream P
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> **Status:** DRAFT for ratification · **Goals:** P1–P3
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> **Debate pass 2026-07-09:** panel findings folded — see `DEBATE-FINDINGS.md`. The relay was the panel's densest target; the deltas below are normative.
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> **Design origin (historical):** `docs/3-architecture/guard-rails-capability-permissions.md` — the "prepare freely, execute with approval" snapshot. **Not present on `origin/main`** (survives only in the stale `/src/mosaic-stack` clone), so its essential model is folded into this PRD below; **this document is the authoritative, self-contained spec for P.**
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> **Replaces:** Hermes `permissions_list_open` / `permissions_respond` relay (Hermes exit prerequisite, NS-13)
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### Approval queue + chat approvals (P2)
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| ID | Requirement |
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| ---- | ----------------------------------------------------------------------------------------------------------------------------------------------- |
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| P-R5 | A pending approval is a durable queue record: requesting agent, capability, human-readable intent summary, prepared payload reference, TTL. |
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| P-R6 | Approve/deny from the Matrix room (message action or reply verb); the requesting agent is notified of the outcome and proceeds/aborts. |
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| P-R7 | Timeout = deny (fail-closed). Deny and timeout leave the system unchanged. |
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| P-R8 | Full audit trail: who approved what, when, from which surface (AC-NS-10). |
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| P-R9 | The main agent (Jarvis) surfaces pending approvals conversationally (J-R13) but approval authority is the human's — Jarvis never auto-approves. |
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| ID | Requirement |
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| ---- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
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| P-R5 | A pending approval is a durable queue record: requesting agent, capability, human-readable intent summary, prepared payload reference, TTL. |
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| P-R6 | Approve/deny from the Matrix room (message action or reply verb); the requesting agent is notified of the outcome and proceeds/aborts. |
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| P-R7 | Timeout = deny (fail-closed), with **per-capability TTLs** and distinct terminal states: `denied` / `expired_seen` / `expired_unseen` — agents must not reason about an expiry as a human "no". Deny and timeout leave the system unchanged. |
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| P-R8 | Full audit trail: who approved what, when, from which surface (AC-NS-10). |
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| P-R9 | The main agent (Jarvis) surfaces pending approvals conversationally (J-R13) but approval authority is the human's — Jarvis never auto-approves. |
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### webUI surface (P3)
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| ----- | ----------------------------------------------------------------------------------------------------------------------------------- |
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| P-R10 | Pending-approval queue view in `apps/web` with one-click approve/deny, filterable per workspace/agent (depends W3 dashboard shell). |
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## Debate-accepted deltas (2026-07-09) — normative
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### State machine & delivery (extends P-R5–P-R7)
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| ID | Requirement |
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| ----- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
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| P-R11 | Approval lifecycle is a **CAS state machine on one durable row**: `pending → approved \| denied \| expired_seen \| expired_unseen`, all terminal. Concurrent surfaces (Matrix, webUI, CLI, TTL reaper) contend via compare-and-swap; exactly one wins. |
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| P-R12 | The **prepared payload is persisted in the record at request time** — never a reference to requesting-agent process state (the agent may be dead when approval lands). Outcome delivery is **poll/ack**, not push-only; `approved_unexecuted > N min` raises an alarm. |
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| P-R13 | A **consumed-event dedupe table** (shared substrate with bridged-message and wake-turn dedupe — built once, three consumers) makes approval consumption idempotent under Matrix at-least-once replay. Dedupe retention is **checkpoint-coupled**: events older than the durable sync token are dropped before lookup, so pruning never reopens the replay window. |
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| P-R14 | Each capability declares `retry: safe \| at-most-once`; a prepare→execute **staleness bound** rejects execution of stale payloads. Re-surfacing an expired item **re-prepares** (new linked record with a rendered machine diff against the original) — never re-queues a stale payload. |
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| P-R15 | **CLI approval surface** (`mosaic approvals list\|approve\|deny`) ships **with P2** as must-have — the newest infra (Matrix) is never the only approval path. Per-request delivered/seen tracking; TTL/2 escalation via a second path. |
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### Identity & policy (closes Codex #2/#7)
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| ID | Requirement |
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| ----- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
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| P-R16 | **Principal resolution:** every inbound approve/deny maps to a product principal via immutable Matrix user ID + bridge provenance + workspace membership. Unlinked identities and bridged puppets without an account link converse read-only and **cannot approve, butt-in, or trigger external writes**. Fixtures: bridged puppet, renamed user, invited non-admin, removed-member-with-lagging-room-membership — all deny + audit with reason. |
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| P-R17 | **Policy snapshot:** every prepared action and card stores an immutable snapshot (profile id/version, grants evaluated). Execution **revalidates against current policy** or fails with explicit `policy_changed`. Profile changes are audited with schema validation + dry-run impact report. Delegated work (subagent, Jarvis-authored card) executes under the **intersection** of originator and executor grants. |
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### Credential boundary (makes P-R3 true)
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| ID | Requirement |
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| ----- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
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| P-R18 | Raw provider credentials are held **exclusively by the gateway**; agents receive scoped capability tokens; the gateway injects secrets server-side. If the agent runtime can read the provider secret, P-R3 is decoration. |
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| P-R19 | P1 delivers a **fleet-host credential inventory**: every host-resident credential (SSH keys, kubeconfigs, tool tokens) classified `moved-behind-gateway` or `explicitly-exempt(reason, owner, expiry)`. Enforced by a **continuous scheduled scan** of agent-readable paths (alert on unclassified), registered in the health floor. The clean-host install AC passes with an **empty exemption list**. Break-glass is one standing exempt row (owner: operator; audited post-hoc). |
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### Gating defaults & load (closes default-open + human-overdraw)
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| ID | Requirement |
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| ----- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
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| P-R20 | **Default-closed inversion:** `execute`/`admin` capabilities on external integrations require approval **unless** workspace-allowlisted. Third state `unclassified`: a capability with no classification **rejects** at the gate. Classification happens at integration-version activation, scoped to the **capability, not the version** — a security patch bundling one new capability ships same-day; only the new capability rejects until classified. Manifest-less capabilities reject + integrity alert. |
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| P-R21 | Rate limits + `max_pending_per_agent_per_capability`; queue depth and human decision latency are exported metrics with thresholds (rubber-stamping guard). Capabilities carry a `deferrable` flag; a declared **away state** pauses deferrable TTLs, batches pings, and **suppresses preparation** of non-deferrable requests (suppressed list swept, priority-ordered and paginated, on return). |
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| P-R22 | Approval summaries render **machine-extracted payload facts unconditionally** (recipient, amount, target host — no tunable similarity threshold); agent prose is secondary. **Canary approvals** are gateway-generated, short-circuited at the gateway (never executable), immediately disclosed after decision, timing seeded outside agent-readable stores; the gated criterion is machine-flag correctness — human catch rate is reported with binomial CI, non-blocking. |
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| P-R23 | Every durable table introduced by P declares a **retention class**, linted in CI; pruning jobs are health-floor registered. Minimal mandatory audit envelope: `ts, workspace, actor, correlation_id, stack_version, schema_version` — payloads are typed free-form with pinned, checked-in queries (debate §3.2 disposition). |
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## Acceptance criteria
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1. AC-NS-10 end-to-end: a `requires_approval` action executes only post-approve; deny/timeout paths verified unchanged + audited.
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2. Approval round-trip from a phone Matrix client (Element) in under 3 taps.
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2. Approval round-trip from a phone Matrix client (Element) in under 3 taps — **and** the same round-trip via `mosaic approvals` CLI with the homeserver stopped.
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3. With Hermes stopped, permission flow fully served by Mosaic (feeds AC-NS-11).
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4. Crash-consistency: kill the gateway at each named barrier (`before_persist`, `after_approve_before_execute`, `after_execute_before_ack`); zero double-executions, zero lost approvals across the suite.
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5. All four principal-resolution fixtures (P-R16) deny + audit; policy-change race (P-R17) fails `policy_changed`, never executes under stale grants.
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## Non-goals
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