From 42add7fec40966a0ddb1fcd788a651e383df5d3c Mon Sep 17 00:00:00 2001 From: Caleb Allen Date: Fri, 6 Mar 2026 21:35:39 -0500 Subject: [PATCH] docs(09-01): complete scan control backend plan - Create 09-01-SUMMARY.md with execution metrics and decisions - Update STATE.md with plan progress and session continuity - Update ROADMAP.md: mark 09-01 plan complete - Mark SCAN-01, SCAN-02, SCAN-03 requirements complete --- .planning/REQUIREMENTS.md | 12 +- .planning/ROADMAP.md | 2 +- .planning/STATE.md | 40 ++++--- .../09-01-SUMMARY.md | 112 ++++++++++++++++++ 4 files changed, 141 insertions(+), 25 deletions(-) create mode 100644 .planning/phases/09-scan-cancellation-keyboard-shortcuts/09-01-SUMMARY.md diff --git a/.planning/REQUIREMENTS.md b/.planning/REQUIREMENTS.md index dab5a0b..ea81211 100644 --- a/.planning/REQUIREMENTS.md +++ b/.planning/REQUIREMENTS.md @@ -9,9 +9,9 @@ Requirements for v1.1 Features & Extensibility milestone. Each maps to roadmap p ### Scan Cancellation -- [ ] **SCAN-01**: User can cancel an in-progress library scan via a cancel button -- [ ] **SCAN-02**: Cancelled scan stops gracefully without corrupting the database -- [ ] **SCAN-03**: User can pause a library scan and resume it without re-scanning processed files +- [x] **SCAN-01**: User can cancel an in-progress library scan via a cancel button +- [x] **SCAN-02**: Cancelled scan stops gracefully without corrupting the database +- [x] **SCAN-03**: User can pause a library scan and resume it without re-scanning processed files ### Keyboard Shortcuts @@ -137,9 +137,9 @@ Which phases cover which requirements. Updated during roadmap creation. | Requirement | Phase | Status | |-------------|-------|--------| -| SCAN-01 | Phase 9 | Pending | -| SCAN-02 | Phase 9 | Pending | -| SCAN-03 | Phase 9 | Pending | +| SCAN-01 | Phase 9 | Complete | +| SCAN-02 | Phase 9 | Complete | +| SCAN-03 | Phase 9 | Complete | | KEY-01 | Phase 9 | Pending | | KEY-02 | Phase 9 | Pending | | KEY-03 | Phase 9 | Pending | diff --git a/.planning/ROADMAP.md b/.planning/ROADMAP.md index 23d205a..2a23cc8 100644 --- a/.planning/ROADMAP.md +++ b/.planning/ROADMAP.md @@ -48,7 +48,7 @@ 5. Keyboard shortcuts are context-aware — typing in a search box doesn't trigger player shortcuts (except Escape to blur) **Plans:** 5 plans Plans: -- [ ] 09-01-PLAN.md — Backend scan control (cancel/pause/resume methods, events, metrics) +- [x] 09-01-PLAN.md — Backend scan control (cancel/pause/resume methods, events, metrics) - [ ] 09-02-PLAN.md — Backend shortcuts config + frontend keyboard shortcut service - [ ] 09-03-PLAN.md — Frontend scan control UI (buttons, cancel dialog) - [ ] 09-04-PLAN.md — Frontend shortcut settings UI (record-style capture, conflict detection) diff --git a/.planning/STATE.md b/.planning/STATE.md index 59cca97..deb5e15 100644 --- a/.planning/STATE.md +++ b/.planning/STATE.md @@ -2,13 +2,13 @@ gsd_state_version: 1.0 milestone: v1.1 milestone_name: Features & Extensibility -status: roadmap_complete -last_updated: "2026-03-06" +status: in_progress +last_updated: "2026-03-07" progress: total_phases: 6 completed_phases: 0 - total_plans: 0 - completed_plans: 0 + total_plans: 5 + completed_plans: 1 --- # YellowJacket — Project State @@ -18,21 +18,21 @@ progress: See: .planning/PROJECT.md (updated 2026-03-06) **Core value:** The music player works reliably and feels solid — every interaction is correct, responsive, and trustworthy. -**Current focus:** v1.1 Features & Extensibility — roadmap complete, ready for planning +**Current focus:** v1.1 Features & Extensibility — Phase 9 in progress ## Current Position Phase: 9 — Scan Cancellation & Keyboard Shortcuts -Plan: — -Status: Ready for planning -Progress: ░░░░░░░░░░░░░░░░░░░░ 0/6 phases (0%) -Last activity: 2026-03-06 — Roadmap created for v1.1 +Plan: 2 of 5 +Status: In progress +Progress: █░░░░░░░░░░░░░░░░░░░ 1/5 plans (20%) +Last activity: 2026-03-07 — Completed 09-01 (scan control backend) ### Phase Overview | Phase | Status | |-------|--------| -| 9. Scan Cancellation & Keyboard Shortcuts | Not started | +| 9. Scan Cancellation & Keyboard Shortcuts | In Progress (1/5 plans) | | 10. Tag Editing | Not started | | 11. Smart Playlists | Not started | | 12. Gapless Playback & Crossfade | Not started | @@ -42,7 +42,11 @@ Last activity: 2026-03-06 — Roadmap created for v1.1 ## Performance Metrics **v1.0 baseline:** 8 phases, 17 plans, 34 tasks in 6 days (107 commits) -**v1.1 scope:** 6 phases, 43 requirements, ~? plans (TBD during planning) +**v1.1 scope:** 6 phases, 43 requirements, 5 plans (Phase 9) + +| Phase | Plan | Duration | Tasks | Files | +|-------|------|----------|-------|-------| +| 09-01 | scan control backend | 16 min | 2 | 5 | ## Accumulated Context @@ -75,7 +79,7 @@ Decisions from v1.0 are archived in PROJECT.md Key Decisions table. Key patterns - modernc.org/libc version must match exactly when updating modernc.org/sqlite - `@lit-labs/signals` is experimental (v0.2.0) — not blocking but noted - Tag writing: block edits on currently-playing files (beep holds `*os.File` handle) — Phase 10 -- Scan cancellation: skip orphan cleanup on cancelled scans — Phase 9 +- Scan cancellation: skip orphan cleanup on cancelled scans — Phase 9 ✅ (implemented in 09-01) - MusicBrainz: strict 1 req/s rate limit, proper User-Agent, SQLite cache — Phase 13 - Plugin system: JS-only for v1.1, recover() wrappers, read-only DB access — Phase 14 - FLAC tag writes load entire file into memory (go-flac) — acceptable for v1.1 — Phase 10 @@ -89,12 +93,12 @@ Decisions from v1.0 are archived in PROJECT.md Key Decisions table. Key patterns ### Last Session -**Date:** 2026-03-06 -**What happened:** Gathered Phase 9 implementation context. Discussed default key bindings (hybrid style), shortcut settings UI (record-style capture), context scoping (3 scopes), and scan control UX (buttons next to existing progress bar, cancel prompts user). -**Where we stopped:** Phase 9 context gathered → `.planning/phases/09-scan-cancellation-keyboard-shortcuts/09-CONTEXT.md` -**Next action:** `/gsd-plan-phase 9` — Plan Scan Cancellation & Keyboard Shortcuts +**Date:** 2026-03-07 +**What happened:** Executed 09-01-PLAN.md — scan control backend. Added CancelScan/PauseScan/ResumeScan methods, per-scan cancellable context, pause checkpoints, and 3 new scan lifecycle events. +**Where we stopped:** Completed 09-01-PLAN.md +**Next action:** `/gsd-execute-phase 9` — Execute Plan 02 (keyboard shortcuts config) --- *State initialized: 2026-02-27* -Last activity: 2026-03-06 - v1.1 roadmap created -*Last updated: 2026-03-06* +Last activity: 2026-03-07 - Completed 09-01 scan control backend +*Last updated: 2026-03-07* diff --git a/.planning/phases/09-scan-cancellation-keyboard-shortcuts/09-01-SUMMARY.md b/.planning/phases/09-scan-cancellation-keyboard-shortcuts/09-01-SUMMARY.md new file mode 100644 index 0000000..7d2bf1a --- /dev/null +++ b/.planning/phases/09-scan-cancellation-keyboard-shortcuts/09-01-SUMMARY.md @@ -0,0 +1,112 @@ +--- +phase: 09-scan-cancellation-keyboard-shortcuts +plan: 01 +subsystem: library +tags: [context-cancellation, scan-control, wails-binding, goroutine-coordination] + +# Dependency graph +requires: + - phase: 08-infrastructure + provides: Library struct, Scan() pipeline, events system +provides: + - CancelScan, PauseScan, ResumeScan Wails-bound methods on Library + - IsScanActive, IsScanPaused state query methods + - waitIfPaused internal pause checkpoint helper + - LibraryScanCancelled, LibraryScanPaused, LibraryScanResumed events + - ScanMetrics.Cancelled field +affects: [09-scan-cancellation-keyboard-shortcuts] + +# Tech tracking +tech-stack: + added: [] + patterns: + - "Per-scan cancellable context (scanCtx) threaded through pipeline, app context (l.ctx) for DB ops" + - "Blocking channel pattern for pause/resume (scanPauseCh closed to unblock all workers)" + - "Mutex-protected scan state fields with deferred cleanup" + +key-files: + created: + - backend/library/scan_control.go + modified: + - backend/events/events.go + - frontend/src/events.ts + - backend/library/library.go + - backend/library/metrics.go + +key-decisions: + - "scanCtx for worker cancellation, l.ctx for DB transactions — ensures in-flight commits complete" + - "Blocking channel pattern for pause — workers check waitIfPaused before each extraction" + - "Orphan cleanup and variant generation skipped on cancel — prevents incorrect file deletion" + +patterns-established: + - "Per-operation cancellable context pattern: create child context at operation start, defer cancel, clean up state in defer" + - "Channel-based pause/resume: create channel on pause, close on resume, select with ctx.Done for cancel-during-pause" + +requirements-completed: [SCAN-01, SCAN-02, SCAN-03] + +# Metrics +duration: 16min +completed: 2026-03-07 +--- + +# Phase 9 Plan 01: Scan Control Backend Summary + +**Per-scan cancellable context with pause/resume channel coordination and 3 new scan lifecycle events** + +## Performance + +- **Duration:** 16 min +- **Started:** 2026-03-07T02:14:23Z +- **Completed:** 2026-03-07T02:31:08Z +- **Tasks:** 2 +- **Files modified:** 5 + +## Accomplishments +- Created scan_control.go with CancelScan/PauseScan/ResumeScan/IsScanActive/IsScanPaused methods +- Threaded per-scan cancellable context through walk and worker pipeline (3 select statements) +- Added waitIfPaused checkpoint in worker pool so workers block when paused +- Orphan cleanup and variant generation safely skipped on cancelled scans +- Added LibraryScanCancelled/Paused/Resumed events with TypeScript sync via go generate + +## Task Commits + +Each task was committed atomically: + +1. **Task 1: Add scan control events and metrics fields** - `c695024` (feat) +2. **Task 2: Add scan control fields to Library struct and create scan_control.go** - `cf22e52` (feat) + +## Files Created/Modified +- `backend/library/scan_control.go` - CancelScan, PauseScan, ResumeScan, IsScanActive, IsScanPaused, waitIfPaused +- `backend/events/events.go` - LibraryScanCancelled, LibraryScanPaused, LibraryScanResumed constants +- `frontend/src/events.ts` - Auto-generated TypeScript event constants +- `backend/library/library.go` - Scan control fields on Library struct, per-scan context threading, cancellation-aware orphan/variant phases +- `backend/library/metrics.go` - Cancelled bool field on ScanMetrics + +## Decisions Made +- Used scanCtx for worker cancellation and l.ctx for DB transactions — ensures in-flight batch commits always complete even when scan is cancelled +- Blocking channel pattern for pause — `make(chan struct{})` on pause, `close()` on resume, all workers select against it +- Orphan cleanup and variant generation skipped on cancel — existingPaths still contains unvisited files that would be incorrectly deleted + +## Deviations from Plan + +None - plan executed exactly as written. + +## Issues Encountered +None + +## User Setup Required +None - no external service configuration required. + +## Next Phase Readiness +- Scan control backend complete, ready for Plan 02 (keyboard shortcuts config) and Plan 03 (frontend scan control UI) +- All 5 new methods are exported and Wails-bindable +- Events synced to TypeScript for frontend consumption + +## Self-Check: PASSED + +- All 5 key files verified on disk +- Both task commits found in git log (c695024, cf22e52) + +--- +*Phase: 09-scan-cancellation-keyboard-shortcuts* +*Completed: 2026-03-07*