> 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-session15-pre-run-estimate/tasks.md). # Task Checklist **Session ID**: `phase29-session15-pre-run-estimate` **Total Tasks**: 20 **Estimated Duration**: 3-4 hours **Created**: 2026-06-21 *** ## 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 | 3 | 3 | 0 | | Foundation | 5 | 5 | 0 | | Implementation | 8 | 8 | 0 | | Testing | 4 | 4 | 0 | | **Total** | **20** | **20** | **0** | *** ## Setup (3 tasks) Initial configuration and environment preparation. * [x] T001 \[S2915] Verify Phase 28 spend-accounting and scheduler-status prerequisites are available (`.spec_system/PRD/phase_29/session_15_pre_run_estimate.md`) * [x] T002 \[S2915] Inspect current scheduler, run-control, and generated-data estimate paths (`.spec_system/specs/phase29-session15-pre-run-estimate/implementation-notes.md`) * [x] T003 \[S2915] Record focused validation commands for script, component, payload, and privacy checks (`.spec_system/specs/phase29-session15-pre-run-estimate/implementation-notes.md`) *** ## Foundation (5 tasks) Core structures and base implementations. * [x] T004 \[S2915] Extend bounded pre-run spend and cadence helper contracts with unavailable and no-cost states (`scripts/extensions/trend-finder/spend-accounting.ts`) * [x] T005 \[S2915] Add script-side pre-run estimate interfaces and projection builder with safe duration and source-count labels (`scripts/lib/trend-finder-scheduler-status.ts`) * [x] T006 \[S2915] Add browser schema defaults and types for legacy-safe pre-run estimate parsing (`src/extensions/trend-finder/scheduler-status.ts`) * [x] T007 \[S2915] Add pre-run estimate labels, tones, and duration formatting with exhaustive enum handling (`src/extensions/trend-finder/view-model.ts`) * [x] T008 \[S2915] Add optional pre-run estimate presentation to run-control models with disabled and offline fallback behavior (`src/extensions/trend-finder/run-control.ts`) *** ## Implementation (8 tasks) Main feature implementation. * [x] T009 \[S2915] Populate scheduler status pre-run estimate from spend summary, selected cadence, and safe latest-run duration (`scripts/lib/trend-finder-scheduler-status.ts`) * [x] T010 \[S2915] Preserve recurring spend and post-run actual-spend labels while adding additive estimate output (`src/extensions/trend-finder/view-model.ts`) * [x] T011 \[S2915] Render pre-run estimate metrics in scheduler first-run panel with explicit loading, empty, error, and offline states (`src/extensions/trend-finder/components/scheduler-first-run-panel.tsx`) * [x] T012 \[S2915] Render pre-run estimate metrics in Trend Finder run control with duplicate-trigger prevention while in-flight (`src/extensions/trend-finder/components/trend-run-control.tsx`) * [x] T013 \[S2915] Thread scheduler estimate data into the Trends view run-control mount without breaking compact layout (`src/extensions/trend-finder/views/trends-view.tsx`) * [x] T014 \[S2915] Refresh fixture scheduler statuses with configured paid-source, public no-cost, and missing-cost estimate examples (`src/extensions/trend-finder/fixtures.ts`) * [x] T015 \[S2915] Update Trend Finder pipeline documentation to describe implemented pre-run estimate semantics (`docs/extensions/trend-finder-pipeline.md`) * [x] T016 \[S2915] Update Trend Finder UI surfaces documentation to describe scheduler and run-control estimate placement (`docs/extensions/trend-finder-ui-surfaces.md`) *** ## Testing (4 tasks) Verification and quality assurance. * [x] T017 \[S2915] \[P] Write script-side tests for missing-cost, configured paid-source, public no-cost, and cadence-unavailable estimates (`scripts/lib/__tests__/trend-finder-scheduler-status.test.ts`) * [x] T018 \[S2915] \[P] Write browser schema, view-model, and component tests for estimate defaults and rendered copy (`src/extensions/trend-finder/components/__tests__/scheduler-status.test.tsx`) * [x] T019 \[S2915] \[P] Write bridge test proving safe pre-run estimate payload and no private path or token leakage (`scripts/lib/__tests__/trend-finder-scheduler-status-bridge.test.ts`) * [x] T020 \[S2915] Run focused tests, payload measurement, privacy scan, and ASCII validation (`.spec_system/specs/phase29-session15-pre-run-estimate/validation.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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