> 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/sessions/phase33-session02-freeze-public-fixtures/implementation_summary.md).

# Implementation Summary

**Session ID**: `phase33-session02-freeze-public-fixtures` **Completed**: 2026-06-25 **Duration**: 3-4 hours

***

## Overview

Phase 33 Session 02 froze the reviewed local demo capture into committed Cloudflare Pages fixture files through the existing snapshot exporter. The session added deterministic count-summary and Dream field-policy metadata, verified dry-run and final fixture writes, and kept the hosted Pages boundary static, credential-free, and privacy-scanned.

The generated public fixture still intentionally keeps Dream unexported and omits several advanced Trend Finder artifacts. Those projection-hardening items remain assigned to Phase 33 Sessions 03 and 04.

***

## Deliverables

### Files Created

| File                                                                                    | Purpose                                                                 | Lines |
| --------------------------------------------------------------------------------------- | ----------------------------------------------------------------------- | ----- |
| `.spec_system/specs/phase33-session02-freeze-public-fixtures/spec.md`                   | Session scope, acceptance criteria, and deferred projection boundaries. | 322   |
| `.spec_system/specs/phase33-session02-freeze-public-fixtures/tasks.md`                  | Eighteen-task implementation checklist.                                 | 74    |
| `.spec_system/specs/phase33-session02-freeze-public-fixtures/implementation-notes.md`   | Command evidence, count deltas, fixture results, and handoff notes.     | 958   |
| `.spec_system/specs/phase33-session02-freeze-public-fixtures/code-review.md`            | All-uncommitted-change review and repair report.                        | 89    |
| `.spec_system/specs/phase33-session02-freeze-public-fixtures/security-compliance.md`    | Security and GDPR applicability review.                                 | 89    |
| `.spec_system/specs/phase33-session02-freeze-public-fixtures/validation.md`             | Validation report proving session PASS.                                 | 238   |
| `.spec_system/specs/phase33-session02-freeze-public-fixtures/IMPLEMENTATION_SUMMARY.md` | Final updateprd completion summary.                                     | 114   |

### Files Modified

| File                                                | Changes                                                                                   |
| --------------------------------------------------- | ----------------------------------------------------------------------------------------- |
| `scripts/lib/pages-demo-snapshot.ts`                | Added typed count-summary metadata, guarded count helpers, and Dream field policy output. |
| `scripts/lib/__tests__/pages-demo-snapshot.test.ts` | Added metadata, count-summary, Dream policy, and persisted-manifest assertions.           |
| `demo-website/public/demo/live-data.snapshot.json`  | Regenerated public LiveData fixture through `bun run demo:snapshot`.                      |
| `demo-website/public/demo/snapshot-metadata.json`   | Regenerated snapshot metadata with count summary and Dream field policy.                  |
| `demo-website/snapshot-manifest.json`               | Regenerated review manifest with count summary, Dream field policy, and existing policy.  |
| `.spec_system/state.json`                           | Marked Session 02 complete, cleared active session, and kept Phase 33 in progress.        |
| `.spec_system/PRD/phase_33/PRD_phase_33.md`         | Updated progress, tracker, completed sessions, and upcoming-session list.                 |
| `package.json`                                      | Bumped version from `0.5.24` to `0.5.25`.                                                 |
| `README.md`                                         | Synced the visible version line to `0.5.25`.                                              |
| `docs/CHANGELOG.md`                                 | Added the Phase 33 Session 02 release note.                                               |

***

## Technical Decisions

1. **Fixture writes stay exporter-owned**: Public fixture files were regenerated through `bun run demo:snapshot` so the existing projection, scan, and atomic write boundaries remained authoritative.
2. **Count summary records sanitized output**: Metadata counts are computed from the projected public LiveData output, not from raw private local input.
3. **Dream remains deferred**: The manifest records Dream as `not-exported` until Session 04 adds the public allowlist projection and negative privacy coverage.
4. **Phase remains open**: Four Phase 33 sessions remain, so the next workflow command is `plansession`.

***

## Test Results

| Metric                | Value                                                                                         |
| --------------------- | --------------------------------------------------------------------------------------------- |
| Vitest                | 4279 / 4279 passed                                                                            |
| Focused fixture tests | 18 / 18 passed                                                                                |
| Fixture privacy scan  | 5 fixtures scanned, 0 issues                                                                  |
| Snapshot dry-run      | PASS, dry-run true, 0 files written, 24 routes covered, scan pass                             |
| Coverage              | Not collected                                                                                 |
| Quality gates         | Typecheck, script typecheck, ESLint, Prettier, JSON parse, diff hygiene, ASCII, and LF passed |

***

## Lessons Learned

1. The public snapshot can prove real product data presence without committing raw private payload bodies when count-only review is paired with fixture privacy scanning.
2. Metadata must distinguish "frozen public fixture" from "complete projection" because Dream and advanced Trend Finder artifacts need narrower follow-up hardening.

***

## Future Considerations

Items for future sessions:

1. Session 03 should harden retained Trend Finder projection coherence for Engine Replay, industry events, run narratives, movement analyses, and trimmed topic/evidence references.
2. Session 04 should add the Dream Review public fixture allowlist and positive/negative privacy coverage.
3. Session 06 should run the full Pages build, budget, scan, browser smoke, and deploy gates after the projection and UI-polish sessions finish.

***

## Session Statistics

* **Tasks**: 18 completed
* **Files Created**: 7
* **Files Modified**: 10 updateprd/session files plus regenerated public fixtures and exporter code
* **Tests Added**: Focused snapshot exporter assertions added
* **Blockers**: 0 resolved


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