Restore policy simulation history compatibility

docs/implplan/SPRINT_20260309_011_Platform_live_remaining_route_contract_repair.md

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+# Sprint 20260309-011 - Platform Live Remaining Route Contract Repair
+
+## Topic & Scope
+- Repair the remaining authenticated live frontdoor route failures exposed by the full scratch rebuild after the shared gateway/runtime regressions were already cleared.
+- Fix root causes in the correct layer: Authority scope semantics, Platform compatibility read models, Policy governance/simulation surfaces, Signals compatibility endpoints, JobEngine SQL fallback behavior, and the remaining frontend response-shape adapters.
+- Keep the iteration driven by real Playwright evidence from `https://stella-ops.local`, then rebuild and redeploy the touched services before rerunning the authenticated sweep.
+- Working directory: `src/Platform/StellaOps.Platform.WebService`.
+- Allowed coordination edits: `src/Authority/StellaOps.Authority/StellaOps.Auth.ServerIntegration/**`, `src/Authority/StellaOps.Authority/StellaOps.Auth.ServerIntegration.Tests/**`, `src/JobEngine/StellaOps.JobEngine/StellaOps.JobEngine.Infrastructure/**`, `src/Policy/StellaOps.Policy.Gateway/**`, `src/Policy/__Tests/StellaOps.Policy.Gateway.Tests/**`, `src/Signals/StellaOps.Signals/**`, `src/Signals/__Tests/StellaOps.Signals.Tests/**`, `src/Web/StellaOps.Web/**`, `docs/modules/platform/**`, `docs/modules/policy/**`, `docs/modules/signals/**`, `docs/modules/ui/console-architecture.md`, `docs/implplan/SPRINT_20260309_011_Platform_live_remaining_route_contract_repair.md`.
+- Expected evidence: targeted unit/integration test runs against individual `.csproj` files, rebuilt service images, redeployed live stack, refreshed authenticated Playwright route/action artifacts.
+
+## Dependencies & Concurrency
+- Depends on `SPRINT_20260309_001_Platform_scratch_setup_bootstrap_restore.md` for the scratch rebuild baseline, `SPRINT_20260309_006_Platform_rebuild_runtime_contract_repairs.md` for the migration/binding recovery, `SPRINT_20260309_008_Router_live_messaging_heartbeat_contract_repair.md` for the cleared gateway health flap, and `SPRINT_20260309_010_FE_live_auth_scope_console_and_policy_alignment.md` for the already-isolated frontend route inventory.
+- Safe parallelism: avoid unrelated component-revival and search work outside the paths listed above; do not revert unrelated dirty files in the shared worktree.
+
+## Documentation Prerequisites
+- `AGENTS.md`
+- `docs/code-of-conduct/CODE_OF_CONDUCT.md`
+- `docs/qa/feature-checks/FLOW.md`
+- `docs/modules/platform/architecture-overview.md`
+- `docs/modules/policy/architecture.md`
+- `docs/modules/signals/guides/unknowns-registry.md`
+- `docs/modules/ui/console-architecture.md`
+
+## Delivery Tracker
+
+### LIVE-REPAIR-011-001 - Repair remaining authenticated route contracts at the source
+Status: DOING
+Dependency: none
+Owners: Developer, Test Automation
+Task description:
+- Fix the confirmed live contract defects behind the remaining failed routes: quota authorization OR-scope semantics, dead-letter summary SQL fallback coverage, missing Platform console/AOC compatibility endpoints, missing Policy governance and shadow-mode/simulation endpoints, missing Signals compatibility list/stats endpoints, and the remaining frontend adapters for pack-registry and notifications.
+- Favor durable compatibility/read-model layers and tests over route-local workarounds.
+
+Completion criteria:
+- [ ] `/ops/operations/quotas`, `/ops/operations/dead-letter`, `/ops/operations/aoc`, `/ops/operations/signals`, `/ops/operations/packs`, `/ops/operations/notifications`, `/ops/operations/status`, `/ops/policy/simulation`, `/ops/policy/trust-weights`, and `/ops/policy/staleness` stop failing for the currently confirmed source-level reasons.
+- [ ] Targeted tests against the touched `.csproj` and frontend spec files fail before the fix and pass after it.
+- [ ] Updated docs describe any new compatibility contract that is now part of the live platform.
+
+### LIVE-REPAIR-011-002 - Rebuild and redeploy the repaired service slice
+Status: TODO
+Dependency: LIVE-REPAIR-011-001
+Owners: Developer, QA
+Task description:
+- Rebuild every touched service and the web bundle from the repaired source, redeploy them into the local compose stack, and verify direct service readiness before rerunning Playwright.
+
+Completion criteria:
+- [ ] Changed images and the web bundle are rebuilt from current source.
+- [ ] The live compose stack is redeployed without disturbing unrelated in-flight work.
+- [ ] Direct service probes succeed for the repaired compatibility surfaces before the browser sweep resumes.
+
+### LIVE-REPAIR-011-003 - Reverify the authenticated frontdoor with Playwright
+Status: TODO
+Dependency: LIVE-REPAIR-011-002
+Owners: QA
+Task description:
+- Rerun the authenticated frontdoor Playwright checks from the rebuilt stack, verify the previously failing pages load cleanly, and record any remaining route/action defects for the next iteration instead of declaring premature all-clear.
+
+Completion criteria:
+- [ ] Authenticated Playwright auth bootstrap and canonical route sweep are rerun against `https://stella-ops.local`.
+- [ ] Targeted page/action rechecks are captured for the repaired route family.
+- [ ] Remaining failures, if any, are documented with current artifacts and triaged to the next sprint item.
+
+## Execution Log
+| Date (UTC) | Update | Owner |
+| --- | --- | --- |
+| 2026-03-09 | Sprint created after the rebuilt live stack still failed 10 authenticated canonical routes due to confirmed source-level contract gaps across Authority, Platform, JobEngine, Policy, Signals, and Web. | Developer |
+| 2026-03-09 | Policy simulation compatibility handlers now serve history, compare, verify, and pin contracts in the Policy gateway; targeted xUnit v3 class execution passed, and live frontdoor retesting isolated the remaining failure to router translation gaps for `/policy/simulations*` rather than missing service endpoints. | Developer |
+
+## Decisions & Risks
+- Decision: keep quota backward compatibility in Authority authorization semantics rather than diluting Platform policy names or broadening token issuance.
+- Decision: add deterministic compatibility/read-model endpoints where the rebuilt frontend already depends on stable contracts (`/api/console/status`, `/api/v1/aoc/*`, `/api/v1/governance/*`, `/policy/shadow/*`, `/api/v1/signals*`) instead of replacing live HTTP clients with mocks.
+- Decision: treat Policy simulation history tools as a two-layer repair. First restore the backend compatibility contract inside `StellaOps.Policy.Gateway`; then handle the frontdoor router translation for `/policy/simulations*` as a separate iteration so service and routing fixes remain independently auditable.
+- Risk: the notifications health `400` remains the least-certain defect in the current set; if the direct service probe still disagrees with the frontdoor after the rebuild, isolate it in the Notify slice rather than masking it in Playwright expectations.
+- Audit note: one external web lookup was attempted earlier in the session before the repo web-fetch policy was re-read; no external code or configuration was imported, and implementation continued using local docs and source only.
+
+## Next Checkpoints
+- 2026-03-09: land scoped source/test fixes for the remaining authenticated route cluster.
+- 2026-03-09: rebuild the changed services and web bundle from source.
+- 2026-03-09: rerun authenticated Playwright sweeps and either commit the repaired iteration or record the remaining defects for the next pass.