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# Implementation Summary

**Session ID**: `phase17-session09-automatic-mission-lifecycle-posts` **Package**: `apps/server` **Completed**: 2026-06-06 **Duration**: 3 hours

***

## Overview

This session added automatic Notice Board posts for real mission lifecycle events in the local server. Mission starts now emit deduped `status` notices and mission completions emit deduped `completion` notices, with privacy-safe label and summary handling, safe related-file extraction, local broadcast, and optional War Room relay forwarding.

The implementation stays additive: raw hook telemetry still flows through the existing event path, while only accepted lifecycle transitions create Notice Board messages.

***

## Deliverables

### Files Created

| File                                                                                               | Purpose                                                                                                                                               | Lines |
| -------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------- | ----- |
| `apps/server/src/lib/missionLifecycleNotices.ts`                                                   | Automatic lifecycle Notice Board publisher with privacy filtering, safe metadata mapping, related-file normalization, broadcast, and relay forwarding | \~325 |
| `apps/server/tests/missionLifecycleNotices.test.ts`                                                | Helper tests for start/completion content, expiration, dedupe, metadata, related files, privacy filtering, broadcast, and bridge forwarding           | \~282 |
| `.spec_system/specs/phase17-session09-automatic-mission-lifecycle-posts/validation.md`             | Validation record for the completed session                                                                                                           | \~18  |
| `.spec_system/specs/phase17-session09-automatic-mission-lifecycle-posts/IMPLEMENTATION_SUMMARY.md` | Session closeout summary                                                                                                                              | \~60  |

### Files Modified

| File                                                                             | Changes                                                                            |
| -------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------- |
| `.spec_system/state.json`                                                        | Marked the session complete and appended monorepo completion history               |
| `.spec_system/PRD/phase_17/PRD_phase_17.md`                                      | Updated the progress tracker to show Session 09 complete and Phase 17 at 9/10      |
| `.spec_system/specs/phase17-session09-automatic-mission-lifecycle-posts/spec.md` | Marked the session completed                                                       |
| `apps/server/src/routes/event.ts`                                                | Wired lifecycle notice publishing into accepted mission start and completion paths |
| `apps/server/src/server.ts`                                                      | Passed shared server dependencies into the lifecycle notice publisher              |
| `apps/server/tests/eventIngest.test.ts`                                          | Added route coverage for deduped lifecycle notices and privacy-safe payloads       |
| `apps/server/tests/routes.test.ts`                                               | Added real-mode server coverage proving `/event` populates `/notice-board`         |
| `package.json`                                                                   | Bumped the patch version to `0.1.124`                                              |
| `README.md`                                                                      | Updated the version badge and version text to `0.1.124`                            |

***

## Technical Decisions

1. **Keep lifecycle posts behind a dedicated helper**: this isolates privacy filtering, dedupe-aware posting, and relay forwarding from the route logic.
2. **Treat raw hook telemetry as separate from coordination messages**: only accepted mission lifecycle transitions create Notice Board posts.

***

## Test Results

| Metric   | Value           |
| -------- | --------------- |
| Tests    | 3 focused files |
| Passed   | 24              |
| Coverage | N/A             |

***

## Lessons Learned

1. The cleanest boundary is at the lifecycle helper, not in the board manager or broadcaster.
2. Privacy-safe fallbacks matter more than fidelity for automatic posts.

***

## Future Considerations

Items for future sessions:

1. Validate the remaining Session 10 documentation and handoff work.
2. Keep an eye on any future lifecycle event types that may need coordination notices without widening the privacy surface.

***

## Session Statistics

* **Tasks**: 20 completed
* **Files Created**: 4
* **Files Modified**: 9
* **Tests Added**: 3
* **Blockers**: 0 resolved


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