> For the complete documentation index, see [llms.txt](https://faction-os.gitbook.io/faction-os-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://faction-os.gitbook.io/faction-os-docs/.spec_system/archive/sessions/phase04-session01-media-requirements-and-provenance-baseline/implementation_summary.md).

# Implementation Summary

**Session ID**: `phase04-session01-media-requirements-and-provenance-baseline` **Package**: Cross-cutting **Completed**: 2026-05-29 **Duration**: 1.4 hours

***

## Overview

This session established the Phase 04 media requirements and provenance baseline. It created a source-backed media gap matrix, aligned the canonical PRD and UX PRD with media ownership and quarantine boundaries, updated stable docs and package READMEs, and recorded a security and validation baseline for later Phase 04 sessions.

***

## Deliverables

### Files Created

| File                                                                                                        | Purpose                                         | Lines |
| ----------------------------------------------------------------------------------------------------------- | ----------------------------------------------- | ----- |
| `.spec_system/PRD/phase_04/media_gap_matrix.md`                                                             | Source-backed Phase 04 media routing matrix     | \~240 |
| `.spec_system/specs/phase04-session01-media-requirements-and-provenance-baseline/security-compliance.md`    | Session provenance and release-blocker baseline | \~90  |
| `.spec_system/specs/phase04-session01-media-requirements-and-provenance-baseline/IMPLEMENTATION_SUMMARY.md` | Session closeout summary                        | \~90  |

### Files Modified

| File                                        | Changes                                                       |
| ------------------------------------------- | ------------------------------------------------------------- |
| `.spec_system/PRD/PRD.md`                   | Added Phase 04 media baseline language and completion status. |
| `.spec_system/PRD/PRD_UX.md`                | Added media and audio/visual UX requirements.                 |
| `.spec_system/PRD/phase_04/PRD_phase_04.md` | Marked Session 01 complete and updated progress.              |
| `.spec_system/state.json`                   | Marked the session complete and advanced phase state.         |
| `package.json`                              | Bumped the project patch version.                             |
| `docs/ARCHITECTURE.md`                      | Clarified current versus planned media ownership.             |
| `docs/media-assets.md`                      | Added current media taxonomy and disposition guidance.        |
| `docs/privacy-and-security.md`              | Added media privacy and metadata release blockers.            |
| `docs/release.md`                           | Added media provenance and cache-release gates.               |
| `docs/legacy-consolidation.md`              | Captured media source-group ownership and quarantine rules.   |
| `docs/public-demo-code-sharing.md`          | Clarified public demo media boundaries.                       |
| `assets/README_assets.md`                   | Clarified asset ownership and promotion boundaries.           |
| `apps/web/README_web.md`                    | Clarified app-owned media and planned audio runtime scope.    |
| `public-demo/README_public-demo.md`         | Clarified demo media behavior and standalone constraints.     |
| `packages/protocol/README_protocol.md`      | Clarified shared contract ownership for later media sessions. |
| `.spec_system/SECURITY-COMPLIANCE.md`       | Recorded the media provenance baseline.                       |

***

## Technical Decisions

1. **Treat the matrix as a routing artifact**: the session records evidence, risk, and ownership without approving new media promotion by itself.
2. **Keep historical media quarantined**: `EXAMPLES/` remains evidence-only unless a later session records a rights-cleared replacement path.

***

## Test Results

| Metric   | Value            |
| -------- | ---------------- |
| Tests    | 4 command checks |
| Passed   | 4                |
| Coverage | N/A              |

***

## Lessons Learned

1. The media baseline needs a single routing matrix before later catalog or promotion work can be made safe.
2. Public demo media and app runtime media need separate ownership language so parity does not imply shared deployment mechanics.

***

## Future Considerations

Items for future sessions:

1. Add typed media catalog records and fixtures before any new runtime media is referenced.
2. Extend promotion, audio, and offline validation once ownership and fallback rules are explicit.

***

## Session Statistics

* **Tasks**: 18 completed
* **Files Created**: 3
* **Files Modified**: 13
* **Tests Added**: 0
* **Blockers**: 0 resolved


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