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# Implementation Summary

**Session ID**: `phase05-session06-deployment-environment-and-diagnostics` **Package**: Cross-package (`apps/warroom`, `apps/web`, docs) **Completed**: 2026-05-30 **Duration**: 1.3 hours

***

## Overview

Implemented the Phase 05 deployment and diagnostics closeout for the optional War Room Worker integration. The session added browser-safe Worker URL defaults, compact health metadata, a bounded deploy smoke check, visible web diagnostics, and updated operator documentation while preserving the local-only fallback path and redacted boundary model.

***

## Deliverables

### Files Created

| File                                        | Purpose                                                                       | Lines |
| ------------------------------------------- | ----------------------------------------------------------------------------- | ----- |
| `apps/web/src/lib/warRoomDiagnostics.ts`    | Derive safe Worker diagnostic state and copy                                  | \~180 |
| `apps/web/tests/warRoomDiagnostics.test.ts` | Cover diagnostic helper states and redaction                                  | \~140 |
| `docs/runbooks/war-room-operations.md`      | Operator runbook for health checks, rollback, and privacy-safe incident notes | \~180 |

### Files Modified

| File                                       | Changes                                                                   |
| ------------------------------------------ | ------------------------------------------------------------------------- |
| `apps/warroom/src/index.ts`                | Added compact health metadata and safe deployment labels.                 |
| `apps/warroom/tests/warroom.test.ts`       | Added health metadata and sensitive-field tests.                          |
| `apps/web/src/lib/warRoomClient.ts`        | Parsed enriched health responses and bounded failure states.              |
| `apps/web/src/lib/warRoomIdentity.ts`      | Loaded browser-safe default Worker URL before storage overrides.          |
| `apps/web/src/store/useWarRoomStore.ts`    | Added health diagnostic state, in-flight guard, and stale-result cleanup. |
| `apps/web/src/components/WarRoomPanel.tsx` | Rendered health diagnostics and accessible status copy.                   |
| `apps/web/tests/warRoomClient.test.ts`     | Covered enriched health parsing and failure handling.                     |
| `apps/web/tests/warRoomStore.test.ts`      | Covered diagnostic lifecycle, cleanup, and duplicate-trigger prevention.  |
| `apps/web/tests/WarRoomPanel.test.tsx`     | Covered UI states, accessibility, and privacy boundaries.                 |
| `.github/workflows/warroom-deploy.yml`     | Added bounded post-deploy health smoke check.                             |
| `.env.local.example`                       | Documented browser-safe Worker URL defaults and diagnostics variables.    |
| `docs/environments.md`                     | Updated environment inventory and optional Worker boundary text.          |
| `docs/deployment.md`                       | Added deploy, smoke-check, and rollback guidance.                         |
| `docs/api/README_api.md`                   | Updated API and health behavior guidance.                                 |
| `docs/ARCHITECTURE.md`                     | Removed stale stub wording and documented optional diagnostics.           |
| `docs/privacy-and-security.md`             | Clarified redacted transfer and boundary posture.                         |
| `docs/release.md`                          | Updated release readiness notes for Phase 05 behavior.                    |
| `docs/runbooks/incident-response.md`       | Linked incident response flow to Worker diagnostics.                      |
| `apps/web/README_web.md`                   | Updated web package boundary notes.                                       |
| `apps/warroom/README_warroom.md`           | Updated Worker package boundary notes.                                    |

***

## Technical Decisions

1. **Compact health metadata**: The Worker health response exposes only service, time, rate-limit, and deployment labels so operators can diagnose status without leaking account ids, request bodies, or secrets.
2. **Store-owned diagnostics**: The web store owns diagnostic state and stale response cleanup so the panel stays responsive and local-first while URL changes or re-entry happen.

***

## Test Results

| Metric                | Value                                                                        |
| --------------------- | ---------------------------------------------------------------------------- |
| Focused session tests | 77 passed, 0 failed, 0 skipped                                               |
| Repo vitest suite     | 2050 passed, 1 skipped, 0 failed                                             |
| Quality checks        | Typechecks, workflow YAML parse, secret scan, and ASCII/LF validation passed |

***

## Lessons Learned

1. Diagnostic copy is safest when it is derived from typed states rather than raw transport failures.
2. Deploy-time health checks should log bounded metadata only, even on failure, so operator tooling does not become a data leak path.

***

## Future Considerations

Items for future sessions:

1. Session 07 should gather end-to-end validation evidence for the Phase 05 handoff.
2. If Cloudflare ever becomes mandatory, the current optional Worker fallback path will need a separate threat model and rollout plan.

***

## Session Statistics

* **Tasks**: 22 completed
* **Files Created**: 3
* **Files Modified**: 21
* **Tests Added**: 4
* **Blockers**: 0 resolved


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