docs(05-01): complete Redux Infrastructure & Bug Fixes plan
Summary: - Fixed critical fqId bug blocking JamTrack functionality - Established Redux foundation with 10 new reducers and 8 new selectors - Extended mediaSlice with jamTrackState and downloadState structures - Extended activeSessionSlice with mixdown management - Extended sessionUISlice with JamTrack UI preferences State updates: - Phase 5 Plan 1 complete (1/5 in phase) - Updated decisions with fqId fix and state structure patterns - Updated session continuity for Plan 2 Commits: - bb74c5046: fix(05-01): fix loadJamTrack fqId bug and extend mediaSlice state - 52ee8f3ea: feat(05-01): extend activeSessionSlice and sessionUISlice for JamTrack Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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@ -70,10 +70,14 @@ Plans:
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**Goal**: Build JamTrack player with file opening, mixdown selection, and playback controls
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**Depends on**: Phase 4
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**Research**: Unlikely (following patterns established in Phase 4)
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**Plans**: TBD
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**Plans**: 5 plans
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Plans:
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- [ ] TBD during phase planning
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- [x] 05-01: Redux infrastructure & bug fixes
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- [ ] 05-02: Async thunks & component core
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- [ ] 05-03: Playback controls & polling
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- [ ] 05-04: Mixdown selection & download UI
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- [ ] 05-05: Error handling & final UAT
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### Phase 6: Metronome Research & Design
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**Goal**: Understand legacy metronome implementation and design React migration strategy
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@ -105,6 +109,6 @@ Phases execute in numeric order: 1 → 2 → 3 → 4 → 5 → 6 → 7
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| 2. Backing Track Seek Controls | 1/1 | Complete | 2026-01-14 |
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| 3. Backing Track Finalization | 3/3 | Complete | 2026-01-14 |
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| 4. JamTrack Research & Design | 2/2 | Complete | 2026-01-14 |
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| 5. JamTrack Implementation | 0/TBD | Not started | - |
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| 5. JamTrack Implementation | 1/5 | In progress | - |
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| 6. Metronome Research & Design | 0/TBD | Not started | - |
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| 7. Metronome Implementation | 0/TBD | Not started | - |
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@ -5,21 +5,21 @@
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See: .planning/PROJECT.md (updated 2026-01-13)
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**Core value:** Modernize media opening features (Backing Track, JamTrack, Metronome) from legacy jQuery/Rails to React patterns in jam-ui
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**Current focus:** Phase 4 — JamTrack Research & Design
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**Current focus:** Phase 5 — JamTrack Implementation
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## Current Position
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Phase: 4 of 7 (JamTrack Research & Design) - COMPLETE
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Plan: 2 of 2 in current phase
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Status: Complete
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Last activity: 2026-01-14 — Completed Phase 4 (JamTrack Research & Design)
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Phase: 5 of 7 (JamTrack Implementation) - IN PROGRESS
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Plan: 1 of 5 in current phase
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Status: Complete (Plan 1)
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Last activity: 2026-01-14 — Completed Phase 5 Plan 1 (Redux Infrastructure & Bug Fixes)
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Progress: ██████████ 100%
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Progress: ████████░░ 20%
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## Performance Metrics
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**Velocity:**
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- Total plans completed: 8
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- Total plans completed: 9
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- Average duration: TBD
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- Total execution time: TBD
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@ -31,10 +31,11 @@ Progress: ██████████ 100%
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| 2 | 1 | 120 min | 120 min |
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| 3 | 3 | TBD | TBD |
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| 4 | 2 | 41 min | 20.5 min |
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| 5 | 1/5 | TBD | TBD |
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**Recent Trend:**
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- Last 5 plans: TBD, TBD, 21 min, 20 min
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- Trend: Phase 4 complete (documentation-focused, 41 min total), ready for Phase 5
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- Last 5 plans: TBD, 21 min, 20 min, Plan 05-01 (Redux infrastructure)
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- Trend: Phase 5 started (implementation), Plan 1 complete
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## Accumulated Context
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@ -88,6 +89,16 @@ Recent decisions affecting current work:
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- HIGH risks identified: Download/sync state machine complexity, native client race conditions
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- Component architecture: 10 sub-components (PlaybackControls, SeekSlider, TimeDisplay, MixdownPicker, DownloadProgress, ErrorDisplay, SyncStatus, VolumeControl, LoadingSpinner, EmptyState)
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**From Phase 5 Plan 1 (05-jamtrack-implementation):**
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- **CRITICAL BUG FIXED**: loadJamTrack now uses fqId format for JamTrackPlay call, unblocking all JamTrack functionality
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- fqId construction moved outside conditional block to ensure consistent availability for all jamClient calls
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- State organization: Separated concerns with jamTrackState (playback), downloadState (sync machine), mixdown state (availableMixdowns)
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- jamTrackState structure: 7 fields tracking real-time playback (isPlaying, isPaused, currentPositionMs, durationMs, selectedMixdownId, playbackMode, lastUpdate)
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- downloadState structure: 8 fields tracking 6-state machine (jamTrackId, mixdownId, fqId, state, progress, currentStep, totalSteps, error)
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- Mixdown management: availableMixdowns array, activeMixdown object, mixdownCache map for efficient package lookups
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- UI preferences: openJamTrack tracks currently open player, jamTrackUI stores user preferences (lastUsedMixdownId, volume)
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- Redux foundation complete: 10 new reducers and 8 new selectors across 3 slices ready for Phase 5 Plans 2-5
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### Deferred Issues
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**From Phase 3 Plan 3 UAT:**
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@ -114,7 +125,7 @@ None yet.
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## Session Continuity
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Last session: 2026-01-14
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Stopped at: Completed Phase 4 Plan 2 (Design React Architecture)
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Stopped at: Completed Phase 5 Plan 1 (Redux Infrastructure & Bug Fixes)
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Resume file: None
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**Next:** Phase 5 (JamTrack Implementation) - Ready for planning with `/gsd:plan-phase 5`
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**Next:** Phase 5 Plan 2 (Async Thunks & Component Core) - Execute with `/gsd:execute-plan .planning/phases/05-jamtrack-implementation/05-02-PLAN.md`
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@ -0,0 +1,60 @@
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# Phase 5 Plan 1: Redux Infrastructure & Bug Fixes Summary
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**Fixed critical fqId bug and established Redux foundation for JamTrack player**
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## Accomplishments
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- **CRITICAL BUG FIX**: Fixed loadJamTrack to use `fqId` format instead of `jamTrack.id`, unblocking all JamTrack functionality
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- Extended mediaSlice with comprehensive jamTrackState (7 fields) and downloadState (8 fields, 6-state machine)
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- Extended activeSessionSlice with mixdown management (availableMixdowns, activeMixdown, mixdownCache)
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- Extended sessionUISlice with JamTrack UI preferences (openJamTrack, jamTrackUI)
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- Added 10 new reducers across 3 slices for complete state management
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- Added 8 new selectors for accessing JamTrack state
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## Files Created/Modified
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- `jam-ui/src/store/features/mediaSlice.js` - Critical bug fix + state extensions (commit: bb74c5046)
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- `jam-ui/src/store/features/activeSessionSlice.js` - Mixdown state management (commit: 52ee8f3ea)
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- `jam-ui/src/store/features/sessionUISlice.js` - JamTrack UI preferences (commit: 52ee8f3ea)
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## Decisions Made
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- **fqId construction**: Moved outside conditional block to ensure consistent availability for all jamClient calls
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- **State organization**: Separated jamTrackState (playback), downloadState (sync machine), and mixdown state (availableMixdowns) for clear separation of concerns
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- **Download state machine**: Implemented 6-state machine (idle → checking → downloading → keying → synchronized → error) following Phase 4 design
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- **Mixdown types**: Support for master, custom-mix, and stem types with full metadata caching
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- **UI preferences**: Separated user preferences (lastUsedMixdownId, volume) from session state for better state management
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## Technical Details
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### mediaSlice Changes
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- **Bug fix**: Line 29 now uses `fqId` instead of `jamTrack.id` for JamTrackPlay call
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- **jamTrackState**: 7 fields tracking real-time playback (isPlaying, isPaused, currentPositionMs, durationMs, selectedMixdownId, playbackMode, lastUpdate)
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- **downloadState**: 8 fields tracking sync machine (jamTrackId, mixdownId, fqId, state, progress, currentStep, totalSteps, error)
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- **New reducers**: setJamTrackState, setDownloadState, clearDownloadState
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- **Updated reducers**: clearJamTrackState and clearAllMedia now properly reset to structured state
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- **Updated extraReducers**: loadJamTrack now updates downloadState instead of simple boolean flag
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### activeSessionSlice Changes
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- **availableMixdowns**: Array for storing all mixdowns (master, custom-mix, stem)
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- **activeMixdown**: Currently selected mixdown object
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- **mixdownCache**: Map of packageId to metadata for efficient lookups
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- **New reducers**: setAvailableMixdowns, setActiveMixdown, cacheMixdownPackage, clearMixdowns
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- **clearSession**: Automatically resets mixdown state when user leaves session
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### sessionUISlice Changes
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- **openJamTrack**: Tracks currently open JamTrack ID (null when closed)
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- **jamTrackUI**: User preferences object (lastUsedMixdownId, volume)
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- **New reducers**: setOpenJamTrack, updateJamTrackUI, clearOpenJamTrack
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- **resetUI**: Automatically resets JamTrack UI state when UI is reset
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## Issues Encountered
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None - implementation followed Phase 4 design specifications precisely.
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## Next Step
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Ready for Plan 2: Async Thunks & Component Core
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- Implement 6 async thunks (enhanced loadJamTrack, downloadJamTrack, checkJamTrackSync, loadJMEP, seekJamTrack, closeJamTrack)
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- Create JKSessionJamTrackPlayer component skeleton
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- Wire up Redux connections and jamClient integration
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