From e35163ec84f0a7a9989aac011c7866f81c915143 Mon Sep 17 00:00:00 2001 From: Nuwan Date: Thu, 26 Feb 2026 17:25:08 +0530 Subject: [PATCH] docs(27): complete Backing Track Sync phase - Phase 27 verified: 2/2 must-haves confirmed - BT-01: openBackingTrack action enables session screen sync - BT-02: ignore flag prevents unmount warnings - ROADMAP.md, STATE.md, REQUIREMENTS.md updated Co-Authored-By: Claude Opus 4.5 --- .planning/REQUIREMENTS.md | 8 +- .planning/ROADMAP.md | 6 +- .../27-backing-track-sync/27-VERIFICATION.md | 88 +++++++++++++++++++ 3 files changed, 95 insertions(+), 7 deletions(-) create mode 100644 .planning/phases/27-backing-track-sync/27-VERIFICATION.md diff --git a/.planning/REQUIREMENTS.md b/.planning/REQUIREMENTS.md index 542502354..56c4012fd 100644 --- a/.planning/REQUIREMENTS.md +++ b/.planning/REQUIREMENTS.md @@ -16,8 +16,8 @@ Requirements for polishing media player features. Each maps to roadmap phases. ### Backing Track Fixes -- [ ] **BT-01**: Use openBackingTrack() action to enable track sync to session screen -- [ ] **BT-02**: Add ignore flag to duration fetch useEffect +- [x] **BT-01**: Use openBackingTrack() action to enable track sync to session screen ✓ +- [x] **BT-02**: Add ignore flag to duration fetch useEffect ✓ ### Metronome Fixes @@ -50,8 +50,8 @@ Explicitly excluded for this milestone. | JT-02 | Phase 26 | Complete | | JT-03 | Phase 26 | Complete | | JT-04 | Phase 26 | Complete | -| BT-01 | Phase 27 | Pending | -| BT-02 | Phase 27 | Pending | +| BT-01 | Phase 27 | Complete | +| BT-02 | Phase 27 | Complete | | MET-01 | Phase 28 | Pending | | MET-02 | Phase 28 | Pending | diff --git a/.planning/ROADMAP.md b/.planning/ROADMAP.md index 80632d739..611df33c9 100644 --- a/.planning/ROADMAP.md +++ b/.planning/ROADMAP.md @@ -17,7 +17,7 @@ v1.6 addresses usability issues reported in three media features: JamTrack (load ## Phases - [x] **Phase 26: JamTrack Polish** - Fix loading sequence, sizing, navigation, and cleanup ✓ -- [ ] **Phase 27: Backing Track Sync** - Enable track sync and async cleanup +- [x] **Phase 27: Backing Track Sync** - Enable track sync and async cleanup ✓ - [ ] **Phase 28: Metronome Responsiveness** - Debounce controls and cleanup timers ## Phase Details @@ -49,7 +49,7 @@ Plans: **Plans**: 1 plan Plans: -- [ ] 27-01-PLAN.md - Use openBackingTrack action and add async cleanup +- [x] 27-01-PLAN.md - Use openBackingTrack action and add async cleanup ✓ ### Phase 28: Metronome Responsiveness **Goal**: Metronome controls respond smoothly to user input @@ -71,7 +71,7 @@ Plans: | Phase | Milestone | Plans Complete | Status | Completed | |-------|-----------|----------------|--------|-----------| | 26. JamTrack Polish | v1.6 | 4/4 | Complete | 2026-02-25 | -| 27. Backing Track Sync | v1.6 | 0/1 | Planned | - | +| 27. Backing Track Sync | v1.6 | 1/1 | Complete | 2026-02-26 | | 28. Metronome Responsiveness | v1.6 | 0/TBD | Not started | - | --- diff --git a/.planning/phases/27-backing-track-sync/27-VERIFICATION.md b/.planning/phases/27-backing-track-sync/27-VERIFICATION.md new file mode 100644 index 000000000..ce0b529a8 --- /dev/null +++ b/.planning/phases/27-backing-track-sync/27-VERIFICATION.md @@ -0,0 +1,88 @@ +--- +phase: 27-backing-track-sync +verified: 2026-02-26T11:53:24Z +status: passed +score: 2/2 must-haves verified +--- + +# Phase 27: Backing Track Sync Verification Report + +**Phase Goal:** Backing Track appears in session screen when opened +**Verified:** 2026-02-26T11:53:24Z +**Status:** passed +**Re-verification:** No - initial verification + +## Goal Achievement + +### Observable Truths + +| # | Truth | Status | Evidence | +|---|-------|--------|----------| +| 1 | Opening a backing track file shows the track in session screen (not just popup) | VERIFIED | `handleBackingTrackSelected` at line 1137 calls `await openBackingTrack(result.file)` which triggers `syncTracksToServer` in useMediaActions hook | +| 2 | No "state update on unmounted component" warnings when closing backing track quickly | VERIFIED | JKSessionBackingTrackPlayer.js useEffect at line 90 has `let ignore = false` declaration and cleanup function at line 155-157 sets `ignore = true` | + +**Score:** 2/2 truths verified + +### Required Artifacts + +| Artifact | Expected | Status | Details | +|----------|----------|--------|---------| +| `jam-ui/src/components/client/JKSessionScreen.js` | handleBackingTrackSelected using openBackingTrack action | VERIFIED | Line 1144: `await openBackingTrack(result.file);` - uses action from useMediaActions (imported line 18, destructured line 153) | +| `jam-ui/src/components/client/JKSessionBackingTrackPlayer.js` | Duration fetch useEffect with cleanup | VERIFIED | Lines 90-158: useEffect with `let ignore = false` (line 91), async checks, and cleanup `return () => { ignore = true; }` (lines 155-157) | + +### Key Link Verification + +| From | To | Via | Status | Details | +|------|-----|-----|--------|---------| +| JKSessionScreen.js handleBackingTrackSelected | useMediaActions openBackingTrack | async await call | VERIFIED | Line 1144: `await openBackingTrack(result.file)` - openBackingTrack destructured from useMediaActions() at line 153 | +| JKSessionBackingTrackPlayer.js useEffect | cleanup function | return statement | VERIFIED | Lines 155-157: `return () => { ignore = true; };` | +| openBackingTrack hook function | syncTracksToServer | dispatch call | VERIFIED | useMediaActions.js line 60: `dispatch(syncTracksToServer(sessionId, jamClient))` | + +### Requirements Coverage + +| Requirement | Status | Blocking Issue | +|-------------|--------|----------------| +| BT-01: Use openBackingTrack() action to enable track sync to session screen | SATISFIED | None | +| BT-02: Add ignore flag to duration fetch useEffect | SATISFIED | None | + +### Anti-Patterns Found + +| File | Line | Pattern | Severity | Impact | +|------|------|---------|----------|--------| +| JKSessionScreen.js | 1158 | TODO comment about native window | Info | Pre-existing, not related to Phase 27 changes | + +Note: JKSessionBackingTrackPlayer.js has no TODO/FIXME patterns. + +### Human Verification Required + +#### 1. Visual Verification: Backing Track in Session Screen +**Test:** Open a backing track file in session +**Expected:** Backing track appears in the session screen track list (not just in popup) +**Why human:** Requires running app with native client to verify visual rendering + +#### 2. Console Warning Check +**Test:** Open backing track popup, then close it immediately (within 1-2 seconds) +**Expected:** No React warning "Can't perform a React state update on an unmounted component" +**Why human:** Requires running app and monitoring browser console during rapid open/close + +### Summary + +All must-haves have been verified in the codebase: + +1. **Backing track sync:** The `handleBackingTrackSelected` function now uses `openBackingTrack(result.file)` action from useMediaActions hook. This action: + - Calls `openBackingTrackThunk` which invokes `jamClient.SessionOpenBackingTrackFile` + - Sets `mediaSummary.backingTrackOpen = true` + - Calls `syncTracksToServer(sessionId, jamClient)` to sync track to session screen + +2. **Async cleanup:** The duration fetch useEffect in JKSessionBackingTrackPlayer.js implements the ignore flag pattern: + - `let ignore = false` at useEffect start (line 91) + - `if (ignore) return` checks before async operation (line 104) and after (line 119) + - `if (!ignore)` guard in catch block (line 143) + - Cleanup function `return () => { ignore = true; }` (lines 155-157) + +The direct `jamClient.SessionOpenBackingTrackFile` call has been removed from handleBackingTrackSelected (grep confirms no matches). + +--- + +*Verified: 2026-02-26T11:53:24Z* +*Verifier: Claude (gsd-verifier)*