> 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-session09-action-queue-surface/implementation_summary.md).

# Implementation Summary

**Session ID**: `phase28-session09-action-queue-surface` **Completed**: 2026-06-14 **Duration**: 2.6 hours

***

## Overview

Completed Phase 28 Session 09 by turning the shipped per-topic action verdicts into a decision-oriented Trend Finder surface. The Brief now has a bounded Decisions section grouped by Act now, Monitor, Review, and Ignore, with counts, top topics, reason chips, QA caution summaries, and explicit unavailable-state copy for legacy/default payloads.

The same Decisions model is projected into the static Brief export before HTML rendering, and Signal Workbench now has a read-only decision queue preset with deterministic verdict sorting, verdict filters, and stale-filter revalidation.

***

## Deliverables

### Files Created

| File                                                                                  | Purpose                                                                  | Lines |
| ------------------------------------------------------------------------------------- | ------------------------------------------------------------------------ | ----- |
| `.spec_system/specs/phase28-session09-action-queue-surface/spec.md`                   | Session specification.                                                   | 352   |
| `.spec_system/specs/phase28-session09-action-queue-surface/tasks.md`                  | Session task checklist.                                                  | 92    |
| `src/extensions/trend-finder/views/__tests__/brief-view.test.tsx`                     | Browser-visible Decisions section, unavailable-state, and visibility UI. | 162   |
| `.spec_system/specs/phase28-session09-action-queue-surface/implementation-notes.md`   | Implementation log, grouping decisions, validation, and residual risks.  | 586   |
| `.spec_system/specs/phase28-session09-action-queue-surface/security-compliance.md`    | Security and GDPR review report.                                         | 85    |
| `.spec_system/specs/phase28-session09-action-queue-surface/validation.md`             | Validation report and quality gate evidence.                             | 242   |
| `.spec_system/specs/phase28-session09-action-queue-surface/IMPLEMENTATION_SUMMARY.md` | Session closeout summary.                                                | 125   |

### Files Modified

| File                                                                              | Changes                                                                                      |
| --------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------- |
| `src/extensions/trend-finder/view-model.ts`                                       | Added Decisions grouping, verdict order, reason counts, QA cautions, and unavailable states. |
| `src/extensions/trend-finder/views/brief-view.tsx`                                | Rendered the Brief Decisions panel and integrated it with visibility controls.               |
| `scripts/extensions/trend-finder/static-brief-export.ts`                          | Added projected Decisions report schema fields and sanitized projection.                     |
| `scripts/extensions/trend-finder/static-brief-renderer.ts`                        | Rendered projected Decisions HTML without raw payload reads.                                 |
| `src/extensions/trend-finder/signal-workbench-model.ts`                           | Added decision queue preset contracts, action verdict filters, sorting, facets, and reset.   |
| `src/extensions/trend-finder/components/signal-workbench-controls.tsx`            | Added decision queue preset and verdict filter controls.                                     |
| `src/extensions/trend-finder/views/signal-workbench-view.tsx`                     | Wired preset sort behavior, filter revalidation, and Decisions status count.                 |
| `src/extensions/trend-finder/fixtures.ts`                                         | Added action verdict fixture aliases and legacy unavailable fixture data.                    |
| `src/extensions/trend-finder/__tests__/view-model.test.ts`                        | Covered Decisions grouping, counts, ordering, QA cautions, and unavailable state.            |
| `scripts/extensions/trend-finder/__tests__/static-brief-export.test.ts`           | Covered projected Decisions schema, ordering, QA projection, and privacy scan.               |
| `scripts/extensions/trend-finder/__tests__/static-brief-renderer.test.ts`         | Covered projected-only Decisions rendering.                                                  |
| `src/extensions/trend-finder/__tests__/signal-workbench-model.test.ts`            | Covered action verdict filters, sorting, facets, and stale-filter revalidation.              |
| `src/extensions/trend-finder/components/__tests__/signal-workbench-view.test.tsx` | Covered decision queue preset behavior and reset on row changes.                             |
| `.spec_system/state.json`                                                         | Marked Session 09 completed and cleared the current session.                                 |
| `.spec_system/PRD/phase_28/PRD_phase_28.md`                                       | Marked Session 09 complete and updated Phase 28 progress to 9/15.                            |
| `.spec_system/PRD/phase_28/session_09_action_queue_surface.md`                    | Marked the session stub complete and checked shipped criteria.                               |
| `package.json`, `README.md`, `docs/CHANGELOG.md`                                  | Bumped release references from 0.1.326 to 0.1.327 and recorded the closeout.                 |

***

## Technical Decisions

1. **Brief-first Decisions surface**: Kept the action queue inside the existing Brief because the bounded four-group section satisfies the operator need without adding a route.
2. **Legacy defaults are unavailable**: Treat all-default action recommendation and QA fields as missing verdict data, avoiding misleading Review groups for legacy payloads.
3. **Project before rendering**: Static HTML consumes `report.decisions` only, preserving the established static export privacy boundary.
4. **Read-only Workbench preset**: The Workbench decision queue is a filter and sort preset, not a write-capable action system.

***

## Test Results

| Metric             | Value         |
| ------------------ | ------------- |
| Focused test files | 6             |
| Focused tests      | 82            |
| Full test files    | 294           |
| Tests              | 3581          |
| Passed             | 3581          |
| Failed             | 0             |
| Coverage           | Not collected |

Additional gates passed: `bun run typecheck`, `bun run typecheck:scripts`, `bun run lint`, `git diff --check`, ASCII/LF scan, security review, and manual desktop/mobile Brief checks.

***

## Lessons Learned

1. Defaulted legacy action payloads need explicit unavailable copy so they do not masquerade as real Review recommendations.
2. Static export privacy is easiest to preserve when the renderer consumes a narrowed projected report model.
3. The Brief can carry a compact decision layer for now; a standalone action queue should wait for a concrete space or write-action need.

***

## Future Considerations

Items for future sessions:

1. Session 10 can use verdict context for watchlist pin baselines, notes, and tags without changing verdict computation.
2. Add a standalone `/action-queue` route only if operator use shows the Brief section is cramped or write-capable actions are needed.
3. Run a live payload with usable action verdicts during a future manual check to complement the fixture-backed available-state UI coverage.

***

## Session Statistics

* **Tasks**: 18 completed
* **Files Created**: 7
* **Files Modified**: 19
* **Tests Added**: 6 focused test areas plus Brief, Workbench, static export, renderer, and view-model coverage
* **Blockers**: 0 resolved


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