feat: Phase 3 - migrate entity collections to Redux with comprehensive testing
Phase 3 - Entity Collections Migration:
- Migrated jam track state to Redux (selectedJamTrack, jamTrackStems)
- Migrated backing track data to Redux (backingTrackData)
- Added session metadata support (sessionRules, subscriptionRules) for future use
- Removed 3 unused legacy state variables from JKSessionScreen
Redux State Extensions (activeSessionSlice):
- Added sessionRules, subscriptionRules, backingTrackData to state
- Added setSessionRules, setSubscriptionRules actions
- Added setBackingTrackData, clearBackingTrackData actions
- Added setJamTrackStems action (was already in slice but not fully utilized)
- Added selectors for all Phase 3 state
Component Updates (JKSessionScreen):
- Removed unused state: sessionRules, subscriptionRules, currentOrLastSession
- Migrated selectedJamTrack, jamTrackStems to Redux
- Migrated backingTrackData to Redux
- Updated handleJamTrackSelect to dispatch Redux actions
- Updated handleJamTrackClose to dispatch Redux actions
- Updated handleBackingTrackSelected to dispatch Redux actions
- Updated handleBackingTrackClose to dispatch Redux actions
Testing:
- Added 15 comprehensive unit tests for Phase 3 functionality
- 4 jam track action tests
- 3 backing track action tests
- 3 session metadata action tests
- 5 selector tests
- All 72 tests passing (21 Phase 1 + 51 Phase 2 & 3)
Documentation:
- Created PHASE3_MIGRATION_SUMMARY.md with complete migration details
- Updated run-phase-tests.sh to reflect Phase 3 scope
- Test runner now displays "Phase 1, 2 & 3" messaging
Benefits:
- Complete entity collection state management in Redux
- Single source of truth for jam tracks and backing tracks
- Improved debugging with Redux DevTools visibility
- Cleaner component code with 3 fewer state variables
- Comprehensive test coverage for all Phase 3 features
Total Migration Progress:
- Phase 1: 8 modals migrated (21 tests)
- Phase 2: 6 lifecycle variables migrated (36 tests)
- Phase 3: 3 entity variables migrated (15 tests)
- Total: 17 state variables migrated to Redux with 72 unit tests
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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