From 45502d268bafe0935ea06916b13f80d28644d4d8 Mon Sep 17 00:00:00 2001 From: Nuwan Date: Wed, 14 Jan 2026 15:58:01 +0530 Subject: [PATCH] docs(03-02): complete error handling and resilience plan --- .planning/ROADMAP.md | 4 +- .planning/STATE.md | 27 +++++---- .../03-02-SUMMARY.md | 59 +++++++++++++++++++ 3 files changed, 78 insertions(+), 12 deletions(-) create mode 100644 .planning/phases/03-backing-track-finalization/03-02-SUMMARY.md diff --git a/.planning/ROADMAP.md b/.planning/ROADMAP.md index 792a0ebff..6f27b058f 100644 --- a/.planning/ROADMAP.md +++ b/.planning/ROADMAP.md @@ -52,7 +52,7 @@ Plans: Plans: - [x] 03-01: Finalize volume/loop controls and resolve UAT-003 -- [ ] 03-02: Add comprehensive error handling and loading states +- [x] 03-02: Add comprehensive error handling and loading states - [ ] 03-03: Performance optimization and final UAT ### Phase 4: JamTrack Research & Design @@ -102,7 +102,7 @@ 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 | 1/3 | In progress | - | +| 3. Backing Track Finalization | 2/3 | In progress | - | | 4. JamTrack Research & Design | 0/TBD | Not started | - | | 5. JamTrack Implementation | 0/TBD | Not started | - | | 6. Metronome Research & Design | 0/TBD | Not started | - | diff --git a/.planning/STATE.md b/.planning/STATE.md index eacb945ce..518b24893 100644 --- a/.planning/STATE.md +++ b/.planning/STATE.md @@ -10,16 +10,16 @@ See: .planning/PROJECT.md (updated 2026-01-13) ## Current Position Phase: 3 of 7 (Backing Track Finalization) -Plan: 1 of 3 in current phase -Status: Plan 03-01 complete -Last activity: 2026-01-14 — Completed Plan 03-01: Controls finalization and UAT-003 fix +Plan: 2 of 3 in current phase +Status: Plan 03-02 complete +Last activity: 2026-01-14 — Completed Plan 03-02: Error handling and resilience -Progress: ████░░░░░░ 33% +Progress: ████░░░░░░ 38% ## Performance Metrics **Velocity:** -- Total plans completed: 3 +- Total plans completed: 4 - Average duration: TBD - Total execution time: TBD @@ -29,11 +29,11 @@ Progress: ████░░░░░░ 33% |-------|-------|-------|----------| | 1 | 1 | 3 min | 3 min | | 2 | 1 | 120 min | 120 min | -| 3 | 1 | TBD | TBD | +| 3 | 2 | TBD | TBD | **Recent Trend:** -- Last 5 plans: 3 min, 120 min, TBD -- Trend: Phase 3 Plan 1 focused on controls finalization and UAT-003 fix +- Last 5 plans: 3 min, 120 min, TBD, TBD +- Trend: Phase 3 Plan 2 added comprehensive error handling and resilience ## Accumulated Context @@ -54,6 +54,13 @@ Recent decisions affecting current work: - UAT-003 resolved with state machine workaround (stores pending seek, applies on resume) - Remove conditional fallback code - use correct methods directly +**From Phase 3 Plan 2 (03-backing-track-finalization):** +- Error types: file (red), network (red), playback (yellow), general (yellow) +- Loading states: isLoadingDuration (track fetch), isOperating (prevent rapid clicks) +- Disabled logic: buttons disabled during loading/operating/error +- Cleanup on unmount: stop playback to prevent stale state +- Network resilience: stop after 3 consecutive polling failures + ### Deferred Issues None currently. @@ -65,7 +72,7 @@ None yet. ## Session Continuity Last session: 2026-01-14 -Stopped at: Completed Phase 3 Plan 1 (controls finalization and UAT-003 fix) +Stopped at: Completed Phase 3 Plan 2 (error handling and resilience) Resume file: None -**Next:** Phase 3 Plan 2 (Error Handling & Resilience) - Ready for execution +**Next:** Phase 3 Plan 3 (Performance Optimization & Final UAT) - Ready for execution diff --git a/.planning/phases/03-backing-track-finalization/03-02-SUMMARY.md b/.planning/phases/03-backing-track-finalization/03-02-SUMMARY.md new file mode 100644 index 000000000..18d755927 --- /dev/null +++ b/.planning/phases/03-backing-track-finalization/03-02-SUMMARY.md @@ -0,0 +1,59 @@ +# Phase 3 Plan 2: Error Handling & Resilience Summary + +**Added production-ready error handling, loading states, and resilience to backing track player** + +## Accomplishments + +- Implemented error state management with user-facing messages +- Added loading states and disabled controls during transitions +- Handled edge cases: invalid files, network issues, null jamClient +- Added proper cleanup on component unmount +- No uncaught exceptions in any scenario + +## Files Created/Modified + +- `jam-ui/src/components/client/JKSessionBackingTrackPlayer.js` - Error handling, loading states, edge cases + +## Commits + +- `acbddd35e` - feat(03-02): add comprehensive error handling with user feedback +- `9c0455dc6` - feat(03-02): add loading states and disabled UI +- `31bc9ea2a` - feat(03-02): handle file and network edge cases + +## Decisions Made + +- **Error display approach**: Banner/alert above controls with dismiss and retry buttons + - Color coding: red for critical errors (file/network), yellow for warnings (playback/general) + - Retry button for network/file errors only + - Applied to both popup and modal versions + +- **Loading indicator style**: "Loading track..." text during duration fetch, "..." suffix on buttons during operations + +- **Debounce strategy**: `isOperating` flag prevents rapid clicks on play/stop buttons + - Reset in finally block to ensure cleanup + - Seek slider not blocked (allows immediate UI updates) + +## Error Types Implemented + +1. **file** - Failed to load track duration, invalid files (red) +2. **network** - Lost connection after 3 consecutive polling failures (red) +3. **playback** - Failed playback operations (yellow) +4. **general** - Audio engine not available (yellow) + +## Edge Cases Handled + +1. **Invalid/missing file**: Validates duration (rejects 0 or NaN), warns about suspicious values +2. **Network disconnection**: Tracks consecutive polling errors, stops after 3 failures +3. **jamClient null**: Guards in all handlers with early return +4. **Stale state**: Cleanup on unmount stops playback +5. **Invalid state recovery**: Polling syncs UI to jamClient state +6. **Graceful degradation**: Error states show but player stays open +7. **File format validation**: Warns about durations <1s or >10h + +## Issues Encountered + +None - all implementations worked as expected. + +## Next Phase Readiness + +Ready for Plan 03-03 (Performance Optimization & Final UAT). Player is now resilient and production-ready for error scenarios.