feat: Implement approvals workflow and notifications integration

- Added approvals orchestration with persistence and workflow scaffolding.
- Integrated notifications insights and staged resume hooks.
- Introduced approval coordinator and policy notification bridge with unit tests.
- Added approval decision API with resume requeue and persisted plan snapshots.
- Documented the Excitor consensus API beta and provided JSON sample payload.
- Created analyzers to flag usage of deprecated merge service APIs.
- Implemented logging for artifact uploads and approval decision service.
- Added tests for PackRunApprovalDecisionService and related components.

docs/dev/aoc-normalization-removal-notes.md

@@ -16,6 +16,9 @@ Document follow-up actions for CONCELIER-CORE-AOC-19-004 as we unwind the final
 
 1. Introduce a raw linkset projection alongside the existing canonical mapper so Policy Engine can choose which flavour to consume. ✅ 2025-10-31: `AdvisoryObservation` now surfaces `RawLinkset`; Mongo documents store both canonical & raw shapes; tests/goldens updated.
 2. Update observation factory/query tests to assert duplicate handling and ordering with the relaxed projection. ✅ 2025-10-31.
-3. Refresh docs (`docs/ingestion/aggregation-only-contract.md`) once behaviour lands to explain the “raw vs canonical linkset” split.
+3. Refresh docs (`docs/ingestion/aggregation-only-contract.md`) once behaviour lands to explain the “raw vs canonical linkset” split. ✅ 2025-11-06: Added invariant notes and rollout guidance, linked to `docs/migration/no-merge.md` and `docs/dev/raw-linkset-backfill-plan.md`.
 4. Coordinate with Policy Guild to validate consumers against the new raw projection before flipping defaults. ↺ Ongoing — see action items in `docs/dev/raw-linkset-backfill-plan.md` (2025-10-31 handshake with POLICY-ENGINE-20-003 owners).
-
+
+- 2025-11-05: Catalogued residual normalization paths tied to the legacy Merge service and outlined `noMergeEnabled` feature-toggle work to keep AOC ingestion fully merge-free.
+- 2025-11-05 19:20Z: Observation factory/linkset now preserve upstream ordering and duplicates; canonicalisation shifts to downstream services.
+- 2025-11-06: Documented post-merge rollout plan and annotated sprint trackers with analyzer gating updates.

docs/dev/raw-linkset-backfill-plan.md

@@ -1,6 +1,6 @@
 # Raw Linkset Backfill & Adoption Plan
 
-_Last updated: 2025-10-31_  
+_Last updated: 2025-11-06_  
 Owners: Concelier Storage Guild, DevOps Guild, Policy Guild
 
 ## Context
@@ -39,7 +39,7 @@ Owners: Concelier Storage Guild, DevOps Guild, Policy Guild
 | 2025-10-31 | Handshake w/ Policy | Agreement to consume `rawLinkset`; this document created. |
 | 2025-11-01 | Draft migration script | Validate against staging dataset snapshots. |
 | 2025-11-04 | Storage task CONCELIER-STORE-AOC-19-005 due | Deliver script + runbook for review. |
-| 2025-11-06 | Staging backfill rehearsal | Target < 30 min runtime on 5M observations. |
+| 2025-11-06 | Staging backfill rehearsal | Target < 30 min runtime on 5M observations; docs refreshed to highlight raw vs canonical invariants and analyzer guardrails. |
 | 2025-11-08 | Policy fixtures updated | POL engine branch consumes `rawLinkset`. |
 | 2025-11-11 | Production rollout window | Pending DevOps sign-off after rehearsals. |