> 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/phase28-session12-brief-qa-markdown-export-and-kpi-strip/implementation-notes.md).

# Implementation Notes

**Session ID**: `phase28-session12-brief-qa-markdown-export-and-kpi-strip` **Started**: 2026-06-14 12:40 **Last Updated**: 2026-06-14 13:30

***

## Session Progress

| Metric              | Value   |
| ------------------- | ------- |
| Tasks Completed     | 25 / 25 |
| Estimated Remaining | 0 hours |
| Blockers            | 0       |

***

### Task T025 - Run focused tests, type checks, and ASCII validation

**Started**: 2026-06-14 13:28 **Completed**: 2026-06-14 13:30 **Duration**: 2 minutes

**Notes**:

* Ran Prettier on all touched session files.
* Focused tests passed: `bun run test -- scripts/extensions/trend-finder/__tests__/static-brief-export.test.ts scripts/extensions/trend-finder/__tests__/static-brief-renderer.test.ts scripts/extensions/trend-finder/__tests__/static-brief-qa.test.ts src/extensions/trend-finder/__tests__/brief-export-model.test.ts src/extensions/trend-finder/views/__tests__/brief-view.test.tsx src/extensions/trend-finder/__tests__/view-model.test.ts`.
* Focused test result: 6 test files passed, 80 tests passed.
* Type checks passed: `bun run typecheck` and `bun run typecheck:scripts`.
* ASCII and CRLF scans passed for touched session files.
* No unrelated repo-wide failures were encountered.

**Files Changed**:

* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/tasks.md` - Marked T025 and the completion checklist complete.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/implementation-notes.md` - Logged final validation.

***

### Task T024 - Extend view-model tests for run-summary KPI projection

**Started**: 2026-06-14 13:25 **Completed**: 2026-06-14 13:28 **Duration**: 3 minutes

**Notes**:

* Added KPI projection tests for deterministic order, existing aggregate values, freshness labels, degraded-source warning tone, stale danger tone, and sparse payload fallback.
* Focused command passed: `bun run test -- src/extensions/trend-finder/__tests__/view-model.test.ts`.

**Files Changed**:

* `src/extensions/trend-finder/__tests__/view-model.test.ts` - Added run-summary KPI tests.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/tasks.md` - Marked T024 complete and updated progress.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/implementation-notes.md` - Logged KPI test coverage.

***

### Task T023 - Add Brief view component tests

**Started**: 2026-06-14 13:22 **Completed**: 2026-06-14 13:25 **Duration**: 3 minutes

**Notes**:

* Added component tests for QA status rendering, Markdown copy success, clipboard failure, duplicate write prevention, feedback reset on data change, and missing Clipboard API handling.
* Test work caught an accessible-name mismatch; fixed the export section heading to "Brief export controls".
* Focused command passed: `bun run test -- src/extensions/trend-finder/views/__tests__/brief-view.test.tsx`.

**Files Changed**:

* `src/extensions/trend-finder/views/__tests__/brief-view.test.tsx` - Added export-control component tests.
* `src/extensions/trend-finder/views/brief-view.tsx` - Aligned export controls heading with panel label.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/tasks.md` - Marked T023 complete and updated progress.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/implementation-notes.md` - Logged component test coverage and fix.

***

### Task T022 - Add Brief export model tests

**Started**: 2026-06-14 13:19 **Completed**: 2026-06-14 13:22 **Duration**: 3 minutes

**Notes**:

* Added tests for Markdown composition, JSON composition, Markdown escaping, sparse payload fallback, and private-string redaction.
* Test work caught a missing suggested-title field in Markdown projection; fixed by adding `suggestedTitle` to `BriefExportTopic`.
* Focused command passed: `bun run test -- src/extensions/trend-finder/__tests__/brief-export-model.test.ts`.

**Files Changed**:

* `src/extensions/trend-finder/__tests__/brief-export-model.test.ts` - Added export model tests.
* `src/extensions/trend-finder/brief-export-model.ts` - Added suggested title to projected topic Markdown.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/tasks.md` - Marked T022 complete and updated progress.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/implementation-notes.md` - Logged export model test coverage and fix.

***

### Task T021 - Add static Brief QA unit tests

**Started**: 2026-06-14 13:17 **Completed**: 2026-06-14 13:19 **Duration**: 2 minutes

**Notes**:

* Added QA tests for pass output, sparse creator-angle warnings, missing rendered markers, manifest mismatch, export-only leak scans, issue limits, and blocking severity ordering.
* Focused command passed: `bun run test -- scripts/extensions/trend-finder/__tests__/static-brief-qa.test.ts`.

**Files Changed**:

* `scripts/extensions/trend-finder/__tests__/static-brief-qa.test.ts` - Added static QA unit tests.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/tasks.md` - Marked T021 complete and updated progress.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/implementation-notes.md` - Logged QA tests.

***

### Task T020 - Update UI surfaces documentation

**Started**: 2026-06-14 13:15 **Completed**: 2026-06-14 13:17 **Duration**: 2 minutes

**Notes**:

* Documented the Trends run-summary KPI strip and its existing-data derivation.
* Documented Brief export QA status, Markdown/JSON copy behavior, clipboard states, and safe projection boundary.
* Documented static export post-render QA and manifest `qa` fields.

**Files Changed**:

* `docs/extensions/trend-finder-ui-surfaces.md` - Added shipped QA/copy/KPI behavior.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/tasks.md` - Marked T020 complete and updated progress.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/implementation-notes.md` - Logged documentation update.

***

### Task T019 - Update static Brief export tests

**Started**: 2026-06-14 13:12 **Completed**: 2026-06-14 13:15 **Duration**: 3 minutes

**Notes**:

* Added assertions for dry-run QA pass status and summary QA counts.
* Added manifest QA assertions and rendered section marker checks.
* Added a post-render private-host leak case that fails with `qa_failed` and preserves the previous output.
* Focused command passed: `bun run test -- scripts/extensions/trend-finder/__tests__/static-brief-export.test.ts`.

**Files Changed**:

* `scripts/extensions/trend-finder/__tests__/static-brief-export.test.ts` - Added QA manifest and failure preservation coverage.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/tasks.md` - Marked T019 complete and updated progress.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/implementation-notes.md` - Logged test updates.

***

### Task T018 - Replace ad hoc Trends KPI row values

**Started**: 2026-06-14 13:10 **Completed**: 2026-06-14 13:12 **Duration**: 2 minutes

**Notes**:

* Trends KPI strip now maps `getTrendRunSummaryKpis` rows for topics, active sources, evidence rows, hidden gems, and run freshness.
* `KpiTile` accepts the shared `DashboardTone` model and exposes row-level accessible labels.

**Files Changed**:

* `src/extensions/trend-finder/views/trends-view.tsx` - Replaced inline KPI values with the run-summary projection.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/tasks.md` - Marked T018 complete and updated progress.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/implementation-notes.md` - Logged KPI UI wiring.

**BQC Fixes**:

* Contract alignment: Trends KPI rendering now consumes the same projected rows covered by view-model tests.
* Accessibility and platform compliance: KPI tiles expose explicit accessible labels.

***

### Task T017 - Add Brief visibility menu entry and feedback reset

**Started**: 2026-06-14 13:06 **Completed**: 2026-06-14 13:10 **Duration**: 4 minutes

**Notes**:

* Added `panel:brief-export-controls` to the Brief visibility menu.
* Feedback and copy states reset when run id, generated timestamp, or QA status changes.

**Files Changed**:

* `src/extensions/trend-finder/views/brief-view.tsx` - Added visibility panel entry and feedback reset.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/tasks.md` - Marked T017 complete and updated progress.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/implementation-notes.md` - Logged visibility and reset behavior.

**BQC Fixes**:

* State freshness on re-entry: Controls reset success/error feedback when the underlying Brief data changes.

***

### Task T016 - Add optional JSON copy action

**Started**: 2026-06-14 13:06 **Completed**: 2026-06-14 13:09 **Duration**: 3 minutes

**Notes**:

* Added "Copy Brief as JSON" from `composeBriefJson`.
* JSON state resets with the Brief export reset key and uses no browser file-system access.

**Files Changed**:

* `src/extensions/trend-finder/views/brief-view.tsx` - Added JSON copy action.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/tasks.md` - Marked T016 complete and updated progress.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/implementation-notes.md` - Logged JSON copy behavior.

**BQC Fixes**:

* State freshness on re-entry: Copy states reset when the projected Brief identity changes.

***

### Task T015 - Add copy-as-Markdown action

**Started**: 2026-06-14 13:06 **Completed**: 2026-06-14 13:09 **Duration**: 3 minutes

**Notes**:

* Added a keyboard-focusable "Copy Brief as Markdown" button that copies `composeBriefMarkdown` output.
* Clipboard unavailable, denied, and rejected states set visible feedback in an `aria-live` region.
* Pending copy state disables both export buttons and ignores duplicate triggers.

**Files Changed**:

* `src/extensions/trend-finder/views/brief-view.tsx` - Added Markdown copy action and clipboard state handling.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/tasks.md` - Marked T015 complete and updated progress.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/implementation-notes.md` - Logged Markdown copy behavior.

**BQC Fixes**:

* Duplicate action prevention: Copy buttons disable while any clipboard write is pending and repeated clicks are ignored.
* Failure path completeness: Missing clipboard API and rejected writes produce visible feedback.
* Accessibility and platform compliance: Controls are native buttons with labels, focus rings, and `aria-live` feedback.

***

### Task T014 - Add Brief view QA status line

**Started**: 2026-06-14 13:05 **Completed**: 2026-06-14 13:08 **Duration**: 3 minutes

**Notes**:

* Added `BriefExportStatusLine` with pass, warning, fail, and unavailable state support from `BriefExportDocument.qa`.
* QA line shows checked-section and issue counts without raw internal payloads.
* Existing Brief view tests passed after wiring.

**Files Changed**:

* `src/extensions/trend-finder/views/brief-view.tsx` - Added QA status line in the Brief export panel.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/tasks.md` - Marked T014 complete and updated progress.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/implementation-notes.md` - Logged QA status UI.

**BQC Fixes**:

* Error information boundaries: The status line displays bounded labels/counts and avoids raw issue payloads.

***

### Task T013 - Preserve renderer section anchors and QA markers

**Started**: 2026-06-14 13:03 **Completed**: 2026-06-14 13:05 **Duration**: 2 minutes

**Notes**:

* Added stable `id` anchors and `data-static-brief-section` markers for summary, today's pick, decisions, movement groups, demand centers, top opportunities, evidence, source health, prediction/retro, operations, and warnings/boundaries.
* Markers are structural only and do not expose local paths or raw artifacts.

**Files Changed**:

* `scripts/extensions/trend-finder/static-brief-renderer.ts` - Added QA anchors and section markers.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/tasks.md` - Marked T013 complete and updated progress.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/implementation-notes.md` - Logged renderer marker implementation.

***

### Task T012 - Record bounded QA status in manifest

**Started**: 2026-06-14 13:03 **Completed**: 2026-06-14 13:05 **Duration**: 2 minutes

**Notes**:

* Manifest builder now accepts `qa` with status, generated timestamp, checked-section count, issue counts, warning counts, blocking counts, and bounded issue summaries.
* Export summary also includes QA status and counts for dry-run JSON and CLI consumers.

**Files Changed**:

* `scripts/extensions/trend-finder/static-brief-export.ts` - Added manifest QA recording and export summary QA fields.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/tasks.md` - Marked T012 complete and updated progress.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/implementation-notes.md` - Logged manifest QA recording.

**BQC Fixes**:

* Contract alignment: Dry-run and written exports expose the same QA status and count contract.

***

### Task T011 - Wire static Brief QA into export validation before writes

**Started**: 2026-06-14 13:02 **Completed**: 2026-06-14 13:04 **Duration**: 2 minutes

**Notes**:

* Export now renders HTML, builds a manifest candidate, runs QA, and throws `qa_failed` before any output write when blocking QA issues exist.
* Existing temp-directory and backup-restore promotion boundaries remain unchanged for write-time failures.
* Focused static export and renderer tests passed after wiring.

**Files Changed**:

* `scripts/extensions/trend-finder/static-brief-export.ts` - Added post-render QA gate before `writeStaticBriefOutput`.
* `scripts/extensions/trend-finder/static-brief-qa.ts` - Narrowed private host, storage key, and env-name checks to export QA output so raw local setup targets do not block input loading.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/tasks.md` - Marked T011 complete and updated progress.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/implementation-notes.md` - Logged QA gate wiring and validation.

**BQC Fixes**:

* Failure path completeness: Blocking QA issues throw before writes, so callers receive a concrete failure instead of a silently promoted bad export.
* Error information boundaries: QA failure issues include codes and messages without matched private values.

***

### Task T010 - Add fixture data for QA warnings, Markdown output, sparse Brief output, and KPI freshness

**Started**: 2026-06-14 13:01 **Completed**: 2026-06-14 13:02 **Duration**: 1 minute

**Notes**:

* Added QA-warning data with empty creator-angle fields.
* Added Markdown export data with strong creator-angle copy and hooks.
* Added sparse Brief data plus fresh and stale KPI timestamp fixtures.

**Files Changed**:

* `src/extensions/trend-finder/fixtures.ts` - Added session fixture variants.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/tasks.md` - Marked T010 complete and updated progress.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/implementation-notes.md` - Logged fixture additions.

***

### Task T009 - Add run-summary KPI projection

**Started**: 2026-06-14 12:59 **Completed**: 2026-06-14 13:01 **Duration**: 2 minutes

**Notes**:

* Added `getTrendRunSummaryKpis` with deterministic rows for ranked topics, active sources, evidence rows, hidden gems, and run freshness.
* Freshness labels accept an injected `now` for deterministic tests while defaulting to `Date.now()` in the UI.

**Files Changed**:

* `src/extensions/trend-finder/view-model.ts` - Added run-summary KPI types and projection helper.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/tasks.md` - Marked T009 complete and updated progress.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/implementation-notes.md` - Logged KPI projection implementation.

**BQC Fixes**:

* Contract alignment: KPI values now come from one tested projection instead of ad hoc component calculations.

***

### Task T008 - Extend Brief export model with JSON string composition

**Started**: 2026-06-14 12:57 **Completed**: 2026-06-14 12:58 **Duration**: 1 minute

**Notes**:

* Added `composeBriefJson` from the same `BriefExportDocument` used for Markdown output.
* JSON output contains projected display fields only and avoids raw prompts, source dumps, private paths, and browser storage state.

**Files Changed**:

* `src/extensions/trend-finder/brief-export-model.ts` - Added JSON string composition from the safe projection.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/tasks.md` - Marked T008 complete and updated progress.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/implementation-notes.md` - Logged JSON composition implementation.

**BQC Fixes**:

* Contract alignment: Markdown and JSON share one projection boundary, avoiding drift between export formats.

***

### Task T007 - Create browser-safe Brief export projection and Markdown composer

**Started**: 2026-06-14 12:52 **Completed**: 2026-06-14 12:58 **Duration**: 6 minutes

**Notes**:

* Added `buildBriefExportDocument` to project a bounded creator Brief from parsed Trend Finder data.
* Added `composeBriefMarkdown` with escaped user-visible text, sparse output fallbacks, public URL filtering, and private-string redaction.
* Added projection-level QA display state for pass, warning, fail, and unavailable status.

**Files Changed**:

* `src/extensions/trend-finder/brief-export-model.ts` - Added safe Brief document projection and Markdown composition.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/tasks.md` - Marked T007 complete and updated progress.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/implementation-notes.md` - Logged browser projection implementation.

**BQC Fixes**:

* Trust boundary enforcement: Copy/export text is projected through a redacting cleaner before Markdown composition.
* Error information boundaries: Redaction replaces private-looking values with `[redacted]` and does not expose matched strings in QA details.

***

### Task T006 - Add static Brief leak scan rules

**Started**: 2026-06-14 12:46 **Completed**: 2026-06-14 12:51 **Duration**: 5 minutes

**Notes**:

* Consolidated private field, private path, private host URL, browser storage key, token-shaped string, and configured env-name scans in `static-brief-qa.ts`.
* Kept compatibility with the existing `collectStaticBriefPrivacyIssues` string output expected by exporter tests.
* QA privacy findings map to blocking `private_string` or `private_field` issue codes.

**Files Changed**:

* `scripts/extensions/trend-finder/static-brief-qa.ts` - Added privacy scanner and QA issue mapping.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/tasks.md` - Marked T006 complete and updated progress.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/implementation-notes.md` - Logged leak-scan behavior.

**BQC Fixes**:

* Trust boundary enforcement: Scanner returns bounded issue labels and paths only, avoiding matched private values in manifest-safe QA output.

***

### Task T005 - Add static Brief structural QA checks

**Started**: 2026-06-14 12:45 **Completed**: 2026-06-14 12:51 **Duration**: 6 minutes

**Notes**:

* Added structural checks for report topics, source health, evidence, decisions, movement groups, and today's pick consistency.
* Added rendered HTML marker checks for all required Brief sections and inline report data.
* Added manifest metadata and count-alignment checks.

**Files Changed**:

* `scripts/extensions/trend-finder/static-brief-qa.ts` - Added structural, rendered-section, and manifest QA checks.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/tasks.md` - Marked T005 complete and updated progress.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/implementation-notes.md` - Logged structural QA behavior.

**BQC Fixes**:

* Contract alignment: Manifest counts are checked against projected report counts before a manifest can be recorded.

***

### Task T004 - Create static Brief QA contracts, issue codes, severity model, and deterministic result shape

**Started**: 2026-06-14 12:44 **Completed**: 2026-06-14 12:50 **Duration**: 6 minutes

**Notes**:

* Added `StaticBriefQaResult`, issue contracts, section IDs, severity/status types, and manifest-safe QA projection.
* Bounded manifest issue output to 24 deterministic entries while preserving total issue, warning, and blocking counts.

**Files Changed**:

* `scripts/extensions/trend-finder/static-brief-qa.ts` - Added QA contracts, issue taxonomy, result builder, and manifest summary helper.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/tasks.md` - Marked T004 complete and updated progress.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/implementation-notes.md` - Logged QA contract implementation.

***

### Task T003 - Confirm current Brief, Trends, and export test coverage before editing

**Started**: 2026-06-14 12:41 **Completed**: 2026-06-14 12:43 **Duration**: 2 minutes

**Notes**:

* Confirmed current coverage in static exporter, static renderer, Brief view, and view-model tests.
* Baseline focused command passed before source edits: `bun run test -- scripts/extensions/trend-finder/__tests__/static-brief-export.test.ts scripts/extensions/trend-finder/__tests__/static-brief-renderer.test.ts src/extensions/trend-finder/views/__tests__/brief-view.test.tsx src/extensions/trend-finder/__tests__/view-model.test.ts`.
* Baseline result: 4 test files passed, 62 tests passed.

**Files Changed**:

* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/tasks.md` - Marked T003 complete and updated progress.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/implementation-notes.md` - Logged baseline coverage and test result.

***

### Task T002 - Inspect Trends-Finderz QA/report reference files and map only portable structural checks into Trend Finder paths

**Started**: 2026-06-14 12:41 **Completed**: 2026-06-14 12:43 **Duration**: 2 minutes

**Notes**:

* Reviewed `EXAMPLES/trends-finderz/lib/trends/daily-brief-qa.ts`.
* The portable pieces are deterministic status labels, bounded warning output, evidence-density style checks, and explicit calibration notes.
* Non-portable pieces are Trends-Finderz domain action queues, saved trends, and narrative tuning mutations; Trend Finder should instead QA its static report structure, rendered anchors, manifest safety, and privacy boundary.

**Files Changed**:

* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/tasks.md` - Marked T002 complete and updated progress.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/implementation-notes.md` - Logged portable QA mapping decisions.

***

### Task T001 - Verify Session 12 prerequisites, existing static Brief export behavior, and browser-safe payload boundaries

**Started**: 2026-06-14 12:40 **Completed**: 2026-06-14 12:42 **Duration**: 2 minutes

**Notes**:

* Confirmed prerequisite sessions are complete in `.spec_system/state.json`; Session 09 is listed in completed sessions.
* Confirmed current exporter validates input/report/HTML privacy and uses a temp directory plus backup restore path before promoting output.
* Confirmed existing browser-safe report projection excludes raw prompts, provider responses, source dumps, local triage notes, and private filesystem paths before rendering.

**Files Changed**:

* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/tasks.md` - Marked T001 complete and updated progress.
* `.spec_system/specs/phase28-session12-brief-qa-markdown-export-and-kpi-strip/implementation-notes.md` - Logged prerequisite and boundary verification.

***

## Task Log

### 2026-06-14 - Session Start

**Environment verified**:

* [x] Prerequisites confirmed
* [x] Directory structure ready
* [x] Bun available as 1.3.14
* [x] TypeScript and Vitest available through package scripts

**Notes**:

* `check-prereqs.sh --json --env` passed.
* `check-prereqs.sh --json --tools "bun,tsc,vitest"` reported global `tsc` and `vitest` missing, but `package.json` and `bun.lock` define local TypeScript 6.0.3 and Vitest 4.1.6. Validation will use `bun run typecheck`, `bun run typecheck:scripts`, and focused `bun run test -- ...` commands.

***


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