> 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/phase27-session06-lifecycle-stage-taxonomy/tasks.md). # Task Checklist **Session ID**: `phase27-session06-lifecycle-stage-taxonomy` **Total Tasks**: 20 **Estimated Duration**: 3-4 hours **Created**: 2026-06-13 *** ## Legend * `[x]` = Completed * `[ ]` = Pending * `[P]` = Parallelizable (can run with other \[P] tasks) * `[SNNMM]` = Session reference (NN=phase number, MM=session number) * `TNNN` = Task ID *** ## Progress Summary | Category | Total | Done | Remaining | | -------------- | ------ | ------ | --------- | | Setup | 2 | 2 | 0 | | Foundation | 6 | 6 | 0 | | Implementation | 8 | 8 | 0 | | Testing | 4 | 4 | 0 | | **Total** | **20** | **20** | **0** | *** ## Setup (2 tasks) Initial verification and source orientation. * [x] T001 \[S2706] Verify analyzer state, Session 02 and Session 05 completion, and lifecycle PRD scope (`.spec_system/specs/phase27-session06-lifecycle-stage-taxonomy/implementation-notes.md`) * [x] T002 \[S2706] Inspect scoring, source-breakdown, velocity dynamics, collector, schema, Workbench, card, and radar baselines (`.spec_system/specs/phase27-session06-lifecycle-stage-taxonomy/implementation-notes.md`) *** ## Foundation (6 tasks) Core lifecycle contracts and projection structures. * [x] T003 \[S2706] \[P] Create pure lifecycle classifier with thresholds, stage precedence, confidence, derivation notes, and explicit unknown fallback (`scripts/lib/ai-runtime/lifecycle.ts`) * [x] T004 \[S2706] Extend scoring topic output types for lifecycle input and output with types matching declared contract and exhaustive enum handling (`scripts/lib/ai-runtime/scoring.ts`) * [x] T005 \[S2706] Add bounded lifecycle schemas, enums, defaults, and additive topic field with schema-validated input and explicit error mapping (`src/extensions/trend-finder/schema.ts`) * [x] T006 \[S2706] Add lifecycle view-model labels, tones, descriptions, radar color metadata, and accessibility text with exhaustive state handling (`src/extensions/trend-finder/view-model.ts`) * [x] T007 \[S2706] \[P] Create reusable lifecycle chip component with stable sizing, title text, and platform-appropriate accessibility labels (`src/extensions/trend-finder/components/lifecycle-chip.tsx`) * [x] T008 \[S2706] \[P] Add available and unknown lifecycle fixture states for browser and UI coverage (`src/extensions/trend-finder/fixtures.ts`) *** ## Implementation (8 tasks) Runtime wiring, UI surfacing, and radar behavior. * [x] T009 \[S2706] Derive lifecycle stages in scoring from saturation, role share, velocity dynamics, recurrence, and source context with low-history unknown fallback (`scripts/lib/ai-runtime/scoring.ts`) * [x] T010 \[S2706] Attach sanitized lifecycle summary counters to collector scoring trace output without private paths or raw archive data (`scripts/extensions/trend-finder/collector.ts`) * [x] T011 \[S2706] Render lifecycle chips on trend cards with derivation notes and explicit unknown state (`src/extensions/trend-finder/components/trend-card.tsx`) * [x] T012 \[S2706] Add lifecycle row fields, search text, filter logic, facets, and deterministic sort order to the Workbench model (`src/extensions/trend-finder/signal-workbench-model.ts`) * [x] T013 \[S2706] Add lifecycle filter control with state reset on filter changes and accessible select labeling (`src/extensions/trend-finder/components/signal-workbench-controls.tsx`) * [x] T014 \[S2706] Add lifecycle table column with compact chip labels and deterministic empty-state rendering (`src/extensions/trend-finder/components/signal-workbench-table.tsx`) * [x] T015 \[S2706] Recolor Signal Radar data points by lifecycle stage and render compact stage legend while preserving fallback-node distinction (`src/extensions/trend-finder/components/signal-radar.tsx`) * [x] T016 \[S2706] Update committed example data with compact lifecycle examples and legacy-safe unknown states (`src/data/live-data.example.json`) *** ## Testing (4 tasks) Verification and quality assurance. * [x] T017 \[S2706] \[P] Write classifier boundary tests for whisper, builder, creator, saturated, unknown, missing inputs, and precedence (`scripts/lib/ai-runtime/__tests__/lifecycle.test.ts`) * [x] T018 \[S2706] Extend scoring and schema regression tests for lifecycle integration, additive defaults, malformed values, and legacy payloads (`scripts/lib/ai-runtime/__tests__/scoring.test.ts`) * [x] T019 \[S2706] \[P] Add view-model, Workbench, radar, and component tests for lifecycle labels, filters, sorting, colors, legend, and fallback behavior (`src/extensions/trend-finder/__tests__/view-model.test.ts`) * [x] T020 \[S2706] Run focused validation, ASCII checks, payload budget awareness, and record implementation results (`.spec_system/specs/phase27-session06-lifecycle-stage-taxonomy/implementation-notes.md`) *** ## Completion Checklist Before marking session complete: * [x] All tasks marked `[x]` * [x] All tests passing * [x] All files ASCII-encoded * [x] `implementation-notes.md` updated * [x] Ready for the validate workflow step *** ## 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