> For the complete documentation index, see [llms.txt](https://ai-os-and-trend-finder.gitbook.io/ai-os-and-trend-finder-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ai-os-and-trend-finder.gitbook.io/ai-os-and-trend-finder-docs/.spec_system/archive/phases/phase_29/session_18_documentation_validation_and_release.md).

# Session 18: Documentation Validation And Release

**Session ID**: `phase29-session18-documentation-validation-and-release` **Status**: Complete **Estimated Tasks**: \~12-25 **Estimated Duration**: 2-4 hours

***

## Objective

Close out the phase: update documentation, run the full validation and security review, and mark the consolidated comparison plan's status. Maps the plan's "Documentation Task - Close Out the Backlog".

***

## Scope

### In Scope (MVP)

* Update affected `docs/extensions/trend-finder-*.md` pages and Reference mode for every shipped session.
* Run the bundled Trend Finder release validation: reference docs, static Brief export, private-artifact scan, payload budget, dependency audit (`bun audit`), and scoped formatting proof.
* Flip the Coverage Audit and Session Map rows in this phase's PRD appendix ("Folded Comparison Plan (Reference)" in `PRD_phase_29.md`) as each session ships, and update the matching session stub's Status.
* Mark the phase status when Sessions 01-17 (orig. A-Q) are complete or explicitly rejected/deferred, and keep 2.4 social reach recorded as a deliberate non-goal.
* Update `.spec_system` carryforward records (CONSIDERATIONS, SECURITY-COMPLIANCE) for the phase.

### Out of Scope

* New feature behavior.
* Reviving any retired standalone comparison/opportunities document as a second source of truth; the phase (PRD plus session stubs) is now the only home.

***

## Prerequisites

* [x] Sessions 01-16 complete; Session 17 complete or explicitly deferred/rejected by Session 16.

### Implementation Verification

Verified 2026-06-21:

* Sessions 01-16 have complete session stubs and completed spec validation records under `.spec_system/specs/phase29-session*/validation.md`.
* Session 16 records an explicit `Defer` decision in `docs/sources/source-compliance-podcasts.md` and its session stub.
* Session 17 is marked `Deferred by Session 16`; no Phase 29 implementation deliverable remains.
* Session 18 scope is closeout-only. It must not add runtime behavior, source adapters, schema branches, dependencies, credential flows, hosted storage, database changes, or podcast/social collection paths.
* Package scripts expose the expected validation commands: `bun run trend-finder:export-brief -- --dry-run --json`, `bun run runtime:check-private`, `bun run build`, `bun run budget:check`, `bun run typecheck`, `bun run typecheck:scripts`, `bun run test`, `bun run format:check`, `bun run test:e2e`, and `bun audit`.

***

## Deliverables

1. Updated Trend Finder docs and Reference mode for shipped behavior.
2. Bundled release-validation record (docs, static Brief, private-artifact scan, payload budget, dependency audit, scoped formatting).
3. Updated backlog/session-map rows and document status in the consolidated plan.
4. Phase carryforward updates to CONSIDERATIONS and SECURITY-COMPLIANCE.

### Implementation Closeout Summary

Session 18 is active as the Phase 29 closeout. The implementation updates Trend Finder manuals, Reference mode phrase tests, closeout coverage, PRD status, security/compliance records, considerations, and release notes without adding a runtime feature, source adapter, schema branch, dependency, credential flow, database change, hosted storage path, or admin write surface.

Validation evidence is recorded in the session validation artifact. Session 17 remains deferred by Session 16, broader social reach remains a documented non-goal, and the next workflow step is `audit`.

***

## Success Criteria

* [x] All shipped sessions are documented as implemented behavior, not planned.
* [x] The bundled release validation is recorded together.
* [x] The phase Session Map and Coverage Audit (PRD appendix) are updated and 2.4 stays a documented non-goal.
* [x] Do-not-regress guardrails (history, calibration, privacy boundary, scoring rigor, compliance-first sourcing, operational surfaces) hold.

***

## Key Files

* `docs/extensions/trend-finder-*.md` (every page touched by a shipped session)
* `.spec_system/PRD/phase_29/PRD_phase_29.md` (Coverage Audit + Session Map)
* `docs/CONSIDERATIONS.md`, `.spec_system` SECURITY-COMPLIANCE carryforward
* `docs/extensions/trend-finder-pipeline.md` (Implementation Map reference)

***

## Comparison Notes (folded from comparison plan)

This maps the comparison plan's "Documentation Task - Close Out the Backlog", which is explicitly not a build session. After each session, update the phase Session Map and the corresponding Coverage Audit row in the PRD appendix. When Sessions 01-17 (orig. A-Q) are complete or explicitly rejected/deferred, mark the phase status accordingly and keep 2.4 recorded as a deliberate non-goal. Do not revive any retired standalone opportunities/comparison document as a second source of truth - the phase is the only home.

The full Do-Not-Regress Guardrails list (history/memory, calibration honesty, provenance/privacy boundary, scoring rigor, compliance-first sourcing, operational surfaces) is preserved in the PRD appendix and must hold at release.


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