> 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_summary.md). # Implementation Summary **Session ID**: `phase28-session12-brief-qa-markdown-export-and-kpi-strip` **Completed**: 2026-06-14 **Duration**: 1 hour *** ## Overview Phase 28 Session 12 added deterministic static Brief QA, browser-safe Brief Markdown and JSON copy flows, and a compact Trends run-summary KPI strip. The static exporter now records bounded QA results in the manifest and fails closed before output promotion when required sections or private-looking values are detected. The in-app Brief now exposes safe copy controls and QA status, while Trends consumes a tested run-summary projection instead of ad hoc KPI values. *** ## Deliverables ### Files Created | File | Purpose | Lines | | ------------------------------------------------------------------- | ---------------------------------------------------------------------------------------- | ----- | | `scripts/extensions/trend-finder/static-brief-qa.ts` | Static Brief QA contracts, structural checks, leak scanner, and bounded issue summaries. | \~533 | | `scripts/extensions/trend-finder/__tests__/static-brief-qa.test.ts` | QA unit coverage for pass, warning, missing-marker, leak, limit, and ordering cases. | \~181 | | `src/extensions/trend-finder/brief-export-model.ts` | Browser-safe Brief projection plus Markdown and JSON composers. | \~524 | | `src/extensions/trend-finder/__tests__/brief-export-model.test.ts` | Projection, Markdown, JSON, sparse payload, escaping, and privacy-boundary coverage. | \~94 | ### Files Modified | File | Changes | | ----------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------ | | `scripts/extensions/trend-finder/static-brief-export.ts` | Runs QA before output promotion, records manifest QA, and preserves prior output on QA failure. | | `scripts/extensions/trend-finder/static-brief-renderer.ts` | Preserves required section markers used by QA. | | `scripts/extensions/trend-finder/__tests__/static-brief-export.test.ts` | Covers manifest QA, rendered section markers, leak failure, and output preservation. | | `src/extensions/trend-finder/view-model.ts` | Adds projected run-summary KPI rows with tones and freshness labels. | | `src/extensions/trend-finder/views/brief-view.tsx` | Adds Brief export QA status plus Markdown and JSON clipboard controls with feedback states. | | `src/extensions/trend-finder/views/trends-view.tsx` | Renders the tested KPI projection for topics, sources, evidence, gems, and freshness. | | `src/extensions/trend-finder/views/__tests__/brief-view.test.tsx` | Covers QA status rendering, clipboard success/failure, duplicate prevention, and reset behavior. | | `src/extensions/trend-finder/__tests__/view-model.test.ts` | Covers KPI projection values, tones, stale/fresh labels, and sparse fallback. | | `src/extensions/trend-finder/fixtures.ts` | Adds fixture states for QA warnings, Markdown creator-angle output, and KPI freshness. | | `src/extensions/trend-finder/components/trend-search-palette.tsx` | Fixes lexical-fallback empty results to render the no-results state. | | `docs/extensions/trend-finder-ui-surfaces.md` | Documents Brief QA, Markdown/JSON copy behavior, static export QA, and KPI strip behavior. | | `.spec_system/state.json` | Marks the session complete and clears the active session. | | `.spec_system/PRD/phase_28/PRD_phase_28.md` | Updates Phase 28 progress and Session 12 tracker/completion notes. | | `README.md` | Updates displayed project version to `0.1.330`. | | `package.json` | Bumps package version from `0.1.329` to `0.1.330`. | | `docs/CHANGELOG.md` | Adds the Session 12 closeout entry. | *** ## Technical Decisions 1. **Project before rendering**: QA, Markdown, JSON, and KPI UI consume bounded projection objects so raw local artifacts and source dumps stay out of browser-visible output. 2. **Fail closed on export privacy**: Blocking QA issues stop static export before atomic output promotion and preserve any previous output directory. 3. **Keep KPI data derived**: The run-summary strip uses existing Trend Finder aggregates only, avoiding new payload fields or collection behavior. *** ## Test Results | Metric | Value | | -------- | ----- | | Tests | 3626 | | Passed | 3626 | | Coverage | N/A | Validated commands: * `bun run test` * `bun run typecheck` * `bun run typecheck:scripts` * `bun run test -- src/extensions/trend-finder/components/__tests__/trend-search-palette.test.tsx` * `bunx prettier --check ...` for session and validation-touched files *** ## Lessons Learned 1. Static export QA needs to run after rendering and before promotion so renderer regressions and manifest mismatches are caught at the same boundary. 2. Clipboard copy flows need duplicate-trigger protection and reset keys tied to Brief identity, generated time, and QA status. 3. Focused component validation can expose adjacent empty-state regressions even when the primary session scope is export behavior. *** ## Future Considerations Items for future sessions: 1. Session 13 can reuse the QA/status pattern for keyword coverage warnings. 2. Session 14 should keep direct source adapter readiness and private leak status bounded before exposing any new source metadata. 3. Session 15 should include the Brief QA and copy flows in final phase release validation and documentation review. *** ## Session Statistics * **Tasks**: 25 completed * **Files Created**: 4 * **Files Modified**: 16 * **Tests Added**: 80 focused tests across updated/new focused files * **Blockers**: 0 resolved --- # Agent Instructions This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com. ## Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. 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