diff --git a/.planning/ROADMAP.md b/.planning/ROADMAP.md index c6367b3b5..857b27725 100644 --- a/.planning/ROADMAP.md +++ b/.planning/ROADMAP.md @@ -63,7 +63,7 @@ Plans: **Plans**: 2 plans Plans: -- [ ] 04-01: Document legacy implementation, jamClient API, and React patterns +- [x] 04-01: Document legacy implementation, jamClient API, and React patterns - [ ] 04-02: Design React architecture, Redux state, and Phase 5 roadmap ### Phase 5: JamTrack Implementation @@ -104,7 +104,7 @@ Phases execute in numeric order: 1 → 2 → 3 → 4 → 5 → 6 → 7 | 1. Backing Track Playback Monitoring | 1/1 | Complete | 2026-01-13 | | 2. Backing Track Seek Controls | 1/1 | Complete | 2026-01-14 | | 3. Backing Track Finalization | 3/3 | Complete | 2026-01-14 | -| 4. JamTrack Research & Design | 0/2 | Planned | - | +| 4. JamTrack Research & Design | 1/2 | In progress | - | | 5. JamTrack Implementation | 0/TBD | Not started | - | | 6. Metronome Research & Design | 0/TBD | Not started | - | | 7. Metronome Implementation | 0/TBD | Not started | - | diff --git a/.planning/STATE.md b/.planning/STATE.md index 60bd106d4..c1b6240dd 100644 --- a/.planning/STATE.md +++ b/.planning/STATE.md @@ -9,17 +9,17 @@ See: .planning/PROJECT.md (updated 2026-01-13) ## Current Position -Phase: 4 of 7 (JamTrack Research & Design) - PLANNED -Plan: 0 of 2 in current phase -Status: Phase 4 planning complete, ready for execution -Last activity: 2026-01-14 — Planned Phase 4: 2 plans created +Phase: 4 of 7 (JamTrack Research & Design) - IN PROGRESS +Plan: 1 of 2 in current phase +Status: In progress +Last activity: 2026-01-14 — Completed 04-01-PLAN.md -Progress: ████████░░ 43% +Progress: █████████░ 50% ## Performance Metrics **Velocity:** -- Total plans completed: 5 +- Total plans completed: 6 - Average duration: TBD - Total execution time: TBD @@ -30,10 +30,11 @@ Progress: ████████░░ 43% | 1 | 1 | 3 min | 3 min | | 2 | 1 | 120 min | 120 min | | 3 | 3 | TBD | TBD | +| 4 | 1 | 21 min | 21 min | **Recent Trend:** -- Last 5 plans: 3 min, 120 min, TBD, TBD, TBD -- Trend: Phase 3 complete with performance optimizations and UAT +- Last 5 plans: 120 min, TBD, TBD, TBD, 21 min +- Trend: Phase 4 documentation-focused (21 min), Phase 3 complete with UAT ## Accumulated Context @@ -68,6 +69,14 @@ Recent decisions affecting current work: - Loop handling: Check isLooping flag before stopping at track end - React optimizations: useCallback for handlers, conditional state updates +**From Phase 4 Plan 1 (04-jamtrack-research-design):** +- fqId format mandatory: All JamTrack jamClient calls require `{jamTrackId}-{sampleRate}` format +- 8-state sync machine: no_client, initial, packaging, downloading, keying, synchronized, quiet, errored +- JMEP must load before play: `JamTrackLoadJmep(fqId, jmepData)` before `JamTrackPlay(fqId)` +- Mixdown selection: pickMyPackage() filters by ogg/jkz/sample_rate matching client capabilities +- Callback pattern: jamClient download callbacks passed as string names, not function references +- loadJamTrack thunk bug identified: Uses jamTrack.id instead of correct fqId format + ### Deferred Issues **From Phase 3 Plan 3 UAT:** @@ -94,7 +103,7 @@ None yet. ## Session Continuity Last session: 2026-01-14 -Stopped at: Completed Phase 4 planning with 2 plans created +Stopped at: Completed Phase 4 Plan 1 (Document Legacy Implementation) Resume file: None -**Next:** Phase 4 Plan 1 (Document Legacy Implementation) - Ready for execution +**Next:** Phase 4 Plan 2 (Design React Architecture) - Ready for execution diff --git a/.planning/phases/04-jamtrack-research-design/04-01-SUMMARY.md b/.planning/phases/04-jamtrack-research-design/04-01-SUMMARY.md new file mode 100644 index 000000000..ed47322f0 --- /dev/null +++ b/.planning/phases/04-jamtrack-research-design/04-01-SUMMARY.md @@ -0,0 +1,144 @@ +--- +phase: 04-jamtrack-research-design +plan: 01 +subsystem: documentation +tags: [jamtrack, legacy-analysis, react-patterns, api-documentation] + +# Dependency graph +requires: + - phase: 03-backing-track-finalization + provides: Established React patterns (error handling, performance, jamClient integration) +provides: + - JAMTRACK_LEGACY.md - Legacy jQuery/CoffeeScript implementation patterns + - JAMTRACK_API.md - Complete jamClient API reference for JamTrack methods + - JAMTRACK_REACT_PATTERNS.md - React integration patterns and gap analysis +affects: [05-jamtrack-implementation] + +# Tech tracking +tech-stack: + added: [] + patterns: + - "Legacy pattern documentation (jQuery dialogs, CoffeeScript state machines, Reflux stores)" + - "jamClient JamTrack API surface mapped (15+ methods)" + - "React component architecture analyzed (existing + gaps)" + - "Redux state structure documented (mediaSlice, activeSessionSlice, sessionUISlice)" + +key-files: + created: + - .planning/codebase/JAMTRACK_LEGACY.md + - .planning/codebase/JAMTRACK_API.md + - .planning/codebase/JAMTRACK_REACT_PATTERNS.md + modified: [] + +key-decisions: + - "Documented 8-state sync machine (no_client, synchronized, packaging, downloading, keying, initial, quiet, errored)" + - "Identified fqId format requirement: {jamTrackId}-{sampleRate} for all jamClient calls" + - "Mapped existing JKSessionJamTrackModal (ready to use) vs missing JKSessionJamTrackPlayer (to be created)" + - "Identified loadJamTrack thunk bug: uses jamTrack.id instead of fqId format" + +patterns-established: + - "Documentation-driven design: comprehensive reference before implementation" + - "Legacy-to-React migration pattern: document → design → implement" + - "Gap analysis methodology: existing components vs required functionality" + +issues-created: [] + +# Metrics +duration: 21min +completed: 2026-01-14 +--- + +# Phase 4 Plan 1: Document Legacy JamTrack Implementation Summary + +**Comprehensive documentation of legacy JamTrack patterns, jamClient API, and React integration strategy for Phase 5 implementation** + +## Performance + +- **Duration:** 21 min +- **Started:** 2026-01-14T15:47:24Z +- **Completed:** 2026-01-14T16:08:29Z +- **Tasks:** 3 +- **Files created:** 3 + +## Accomplishments + +- **JAMTRACK_LEGACY.md** (264 lines): Captured 8-state download/sync machine, jQuery dialog patterns, Reflux stores, WebSocket subscriptions, REST API endpoints, and integration points +- **JAMTRACK_API.md** (569 lines): Documented all 15+ JamTrack jamClient methods with signatures, parameters, return types, usage examples, and comparison to Backing Track APIs +- **JAMTRACK_REACT_PATTERNS.md** (557 lines): Mapped existing React components, Redux state structure, hook patterns, data flow, and identified 20+ gaps for Phase 5 + +## Task Commits + +Each task was committed atomically: + +1. **Task 1: Create JAMTRACK_LEGACY.md** - `b7208d945` (docs) +2. **Task 2: Create JAMTRACK_API.md** - `d3ff1f147` (docs) +3. **Task 3: Create JAMTRACK_REACT_PATTERNS.md** - `d402b22fc` (docs) + +**Plan metadata:** (pending - this commit) + +## Files Created/Modified + +**Created:** +- `.planning/codebase/JAMTRACK_LEGACY.md` - Legacy implementation reference (jQuery, CoffeeScript, Reflux) +- `.planning/codebase/JAMTRACK_API.md` - jamClient JamTrack API documentation +- `.planning/codebase/JAMTRACK_REACT_PATTERNS.md` - React patterns and Phase 5 gap analysis + +**Modified:** None + +## Decisions Made + +**Legacy Pattern Insights:** +- **8-state synchronization machine**: Documented state transitions (no_client → initial → packaging → downloading → keying → synchronized) +- **fqId format is mandatory**: All jamClient JamTrack calls require `{jamTrackId}-{sampleRate}` format, not just ID +- **Mixdown selection logic**: pickMyPackage() filters by `file_type == 'ogg' && encrypt_type == 'jkz' && sample_rate == @sampleRate` +- **JMEP must load before play**: `JamTrackLoadJmep(fqId, jmepData)` called before `JamTrackPlay(fqId)` +- **Callback pattern**: jamClient download callbacks passed as string names, not function references + +**React Architecture Findings:** +- **Existing ready-to-use**: JKSessionJamTrackModal, useMediaActions pattern, Redux infrastructure +- **Missing components**: JKSessionJamTrackPlayer (main work), download/sync widget +- **Redux state gaps**: jamTrackState needs expansion, download/sync tracking missing, loadJamTrack thunk uses wrong ID format +- **Performance patterns**: Apply Phase 3 optimizations (visibility-aware polling, useCallback, lazy updates) + +**Critical implementation notes:** +- jamClient returns Promises (always async/await) +- jamClient returns strings for position/duration (always parseInt) +- jamClient passed as prop, never stored in Redux (non-serializable) +- Cleanup on unmount required (prevent stale state) + +## Deviations from Plan + +None - plan executed exactly as written. + +## Issues Encountered + +None - all legacy files accessible, API methods documented, React patterns analyzed successfully. + +## Next Phase Readiness + +**Phase 4 Plan 2 ready to execute** with complete reference documentation: + +**Documentation completeness:** +- ✓ All legacy patterns captured (dialog, state machine, stores, API endpoints, integration) +- ✓ All jamClient methods documented (15+ methods with signatures and examples) +- ✓ React architecture mapped (components, Redux, hooks, data flow) +- ✓ Gap analysis complete (20+ specific items for Phase 5) +- ✓ Code references accurate with line numbers + +**Phase 5 implementation path clear:** +1. Fix loadJamTrack thunk fqId format bug +2. Create JKSessionJamTrackPlayer component (similar to Backing Track) +3. Implement download/sync state machine in React +4. Expand Redux state for player and sync tracking +5. Add WebSocket handlers (JAM_TRACK_CHANGES, MIXDOWN_CHANGES) +6. Implement mixdown selection and CRUD operations + +**Lessons from documentation process:** +- Legacy CoffeeScript state machine complexity well-documented for React translation +- jamClient API surface larger than Backing Track (15+ vs 8 methods) +- Existing React infrastructure strong foundation (modal, Redux, hooks) +- Phase 3 Backing Track patterns directly applicable with extensions + +--- +*Phase: 04-jamtrack-research-design* +*Completed: 2026-01-14*