> 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/phase29-session06-cross-topic-substrate-narratives/validation.md).

# Validation Report

**Session ID**: `phase29-session06-cross-topic-substrate-narratives` **Validated**: 2026-06-20 **Result**: PASS

***

## Validation Summary

| Check                     | Status | Notes                                                                                 |
| ------------------------- | ------ | ------------------------------------------------------------------------------------- |
| Tasks Complete            | PASS   | 22/22 tasks                                                                           |
| Files Exist               | PASS   | 19/19 declared deliverables found and non-empty                                       |
| ASCII Encoding            | PASS   | Declared deliverables are ASCII text with LF endings                                  |
| Tests Passing             | PASS   | 3763/3763 Vitest tests passing                                                        |
| Database/Schema Alignment | N/A    | No DB-layer changes, migrations, seeds, or hosted storage                             |
| Quality Gates             | PASS   | Type checks, payload budget, diff whitespace, and focused checks passed               |
| Conventions               | PASS   | Spot-check found no naming, structure, error-handling, comment, or testing violations |
| Security & GDPR           | PASS   | No security findings; GDPR N/A                                                        |
| Behavioral Quality        | PASS   | Narrative trust boundaries, failure paths, and contract alignment checked             |

**Overall**: PASS

***

## 1. Task Completion

### Status: PASS

| Category       | Required | Completed | Status |
| -------------- | -------- | --------- | ------ |
| Setup          | 2        | 2         | PASS   |
| Foundation     | 6        | 6         | PASS   |
| Implementation | 9        | 9         | PASS   |
| Testing        | 5        | 5         | PASS   |

### Incomplete Tasks

None.

***

## 2. Deliverables Verification

### Status: PASS

| File                                                                      | Found | Status |
| ------------------------------------------------------------------------- | ----- | ------ |
| `scripts/extensions/trend-finder/run-narratives.ts`                       | Yes   | PASS   |
| `scripts/extensions/trend-finder/__tests__/run-narratives.test.ts`        | Yes   | PASS   |
| `scripts/lib/ai-runtime/trend-analyst.ts`                                 | Yes   | PASS   |
| `scripts/extensions/trend-finder/collector.ts`                            | Yes   | PASS   |
| `scripts/extensions/trend-finder/theme-rollups.ts`                        | Yes   | PASS   |
| `src/extensions/trend-finder/schema.ts`                                   | Yes   | PASS   |
| `src/extensions/trend-finder/view-model.ts`                               | Yes   | PASS   |
| `src/extensions/trend-finder/views/trends-view.tsx`                       | Yes   | PASS   |
| `src/extensions/trend-finder/views/brief-view.tsx`                        | Yes   | PASS   |
| `scripts/extensions/trend-finder/static-brief-export.ts`                  | Yes   | PASS   |
| `scripts/extensions/trend-finder/static-brief-renderer.ts`                | Yes   | PASS   |
| `scripts/extensions/trend-finder/static-brief-qa.ts`                      | Yes   | PASS   |
| `scripts/extensions/trend-finder/measure-payload-size.ts`                 | Yes   | PASS   |
| `src/extensions/trend-finder/fixtures.ts`                                 | Yes   | PASS   |
| `scripts/lib/ai-runtime/__tests__/trend-analyst.test.ts`                  | Yes   | PASS   |
| `scripts/extensions/trend-finder/__tests__/collector.test.ts`             | Yes   | PASS   |
| `src/extensions/trend-finder/__tests__/view-model.test.ts`                | Yes   | PASS   |
| `scripts/extensions/trend-finder/__tests__/static-brief-export.test.ts`   | Yes   | PASS   |
| `scripts/extensions/trend-finder/__tests__/static-brief-renderer.test.ts` | Yes   | PASS   |

### Missing Deliverables

None.

***

## 3. ASCII Encoding Check

### Status: PASS

| Scope                 | Encoding | Line Endings | Status |
| --------------------- | -------- | ------------ | ------ |
| Declared deliverables | ASCII    | LF           | PASS   |
| Session reports       | ASCII    | LF           | PASS   |

### Encoding Issues

None.

***

## 4. Test Results

### Status: PASS

| Metric      | Value   |
| ----------- | ------- |
| Total Tests | 3763    |
| Passed      | 3763    |
| Failed      | 0       |
| Coverage    | Not run |

### Commands

* `bun run test` - PASS, 319 files and 3763 tests.
* `bun run typecheck:scripts` - PASS.
* `bun run typecheck` - PASS.
* `bun run scripts/extensions/trend-finder/measure-payload-size.ts src/data/live-data.example.json --threshold-kb=1024 --json` - PASS, Trend Finder browser data payload 14138 bytes under 1048576 bytes.
* `git diff --check` - PASS.
* `bunx prettier --check src/extensions/trend-finder/schema.ts src/extensions/trend-finder/__tests__/view-model.test.ts` - PASS after formatting.

### Failed Tests

None in final validation.

### Fixes Applied During Validation

* Fixed `src/extensions/trend-finder/schema.ts` so stale or partial `runNarratives` rows are filtered instead of causing `parseTrendFinderData` to fall back to empty report data.
* Added a regression test in `src/extensions/trend-finder/__tests__/view-model.test.ts`.
* Re-ran the previously failing visibility test and the full suite successfully.

***

## 5. Database/Schema Alignment

### Status: N/A

N/A - the session changed TypeScript/Zod browser payload schema and static export contracts only. It introduced no database, persisted table/column/index, migration, seed, ORM metadata, generated DB type, hosted storage path, or schema artifact requiring migration validation.

### Issues Found

N/A - no DB-layer changes.

***

## 6. Success Criteria

From `spec.md`:

### Functional Requirements

* [x] `runNarratives` defaults to an empty array for legacy payloads.
* [x] A narrative with fewer than two valid topic IDs is dropped.
* [x] A narrative that cites an unknown topic ID or evidence ID is dropped with a sanitized warning.
* [x] A deterministic fallback emits only low-confidence rows and only from existing topic/theme/evidence data.
* [x] Valid AI narratives pass only when their topic/evidence references and public copy are grounded.
* [x] Live Trend Finder and static Brief surfaces render concise narrative rows with safe citation labels.

### Testing Requirements

* [x] Unit tests written and passing for narrative validation, fallback derivation, and merge/drop behavior.
* [x] Analyst validator tests cover accepted grounded narratives, unknown references, and unsupported public-copy claims.
* [x] Schema/view-model/view tests cover legacy defaults, citation labels, empty state, accessibility text, and stale narrative filtering.
* [x] Static Brief export/renderer/QA tests cover escaped output and private/raw leak prevention.
* [x] Payload-size check confirms the extension remains under the 1 MB boundary.

### Non-Functional Requirements

* [x] Browser payload stays under the 1 MB extension budget.
* [x] Static Brief and live browser payloads do not expose raw source dumps, private paths, prompts, provider responses, raw model output, comments, transcripts, credentials, or unreviewed media.
* [x] No new source, collector, media boundary, database, hosted storage path, dependency, or third-party transfer is introduced.
* [x] Fallback rows are deterministic, low-confidence, bounded, and stable across repeated runs on the same inputs.

### Quality Gates

* [x] All files ASCII-encoded.
* [x] Unix LF line endings.
* [x] Code follows project conventions.
* [x] New enum or schema branches use explicit fallback behavior.

***

## 7. Conventions Compliance

### Status: PASS

| Category       | Status | Notes                                                                                              |
| -------------- | ------ | -------------------------------------------------------------------------------------------------- |
| Naming         | PASS   | Uses Trend Finder terminology and descriptive helper names.                                        |
| File Structure | PASS   | Script, schema, view, fixture, and test files stay in established extension locations.             |
| Error Handling | PASS   | Invalid narrative paths emit sanitized warnings or safe filtering rather than raw model output.    |
| Comments       | PASS   | No noisy comments or commented-out code found.                                                     |
| Testing        | PASS   | Tests stay close to behavior in script, view-model, view, static export, and analyst test folders. |

### Convention Violations

None.

***

## 8. Security & GDPR Compliance

### Status: PASS

**Full report**: See `security-compliance.md` in this session directory.

| Area     | Status | Findings |
| -------- | ------ | -------- |
| Security | PASS   | 0 issues |
| GDPR     | N/A    | 0 issues |

### Critical Violations

None.

***

## 9. Behavioral Quality Spot-Check

### Status: PASS

**Checklist applied**: Yes **Files spot-checked**:

* `scripts/extensions/trend-finder/run-narratives.ts`
* `scripts/lib/ai-runtime/trend-analyst.ts`
* `scripts/extensions/trend-finder/collector.ts`
* `src/extensions/trend-finder/schema.ts`
* `scripts/extensions/trend-finder/static-brief-renderer.ts`

| Category           | Status | File                                                     | Details                                                                                                         |
| ------------------ | ------ | -------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------- |
| Trust boundaries   | PASS   | `trend-analyst.ts`, `run-narratives.ts`                  | AI rows require known topic/evidence IDs, at least two topics, bounded copy, and unsupported-claim rejection.   |
| Resource cleanup   | PASS   | `collector.ts`                                           | No new timers, subscriptions, sockets, database handles, or network resources.                                  |
| Mutation safety    | PASS   | `collector.ts`, `schema.ts`                              | Narrative generation is deterministic projection over run data; no user mutation path added.                    |
| Failure paths      | PASS   | `run-narratives.ts`, `schema.ts`                         | Invalid candidates drop with sanitized warning codes; stale parsed rows filter out without breaking the report. |
| Contract alignment | PASS   | `schema.ts`, `view-model.ts`, `static-brief-renderer.ts` | Schema limits, view-model projection, live UI, and static Brief output use the same bounded narrative contract. |

### Violations Found

None.

***

## Validation Result

### PASS

Session 06 validates successfully after one validation-time fix for stale narrative parsing. All tasks are complete, deliverables exist, encoding checks pass, tests pass, no DB alignment work is applicable, and no security/GDPR or behavioral quality violations were found.

### Required Actions

None.

## Next Steps

Run `updateprd` to mark the session complete.


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