diff --git a/.planning/REQUIREMENTS.md b/.planning/REQUIREMENTS.md index 25463155b..971ebb716 100644 --- a/.planning/REQUIREMENTS.md +++ b/.planning/REQUIREMENTS.md @@ -43,9 +43,9 @@ Requirements for fixing memory leaks in the session screen. Focus on cleanup pat | Requirement | Phase | Status | |-------------|-------|--------| -| VUMTR-01 | Phase 20 | Pending | -| VUMTR-02 | Phase 20 | Pending | -| VUMTR-03 | Phase 20 | Pending | +| VUMTR-01 | Phase 20 | Deferred | +| VUMTR-02 | Phase 20 | Complete | +| VUMTR-03 | Phase 20 | Complete | | CHAT-01 | Phase 21 | Pending | | CHAT-02 | Phase 21 | Pending | | CHAT-03 | Phase 21 | Pending | diff --git a/.planning/ROADMAP.md b/.planning/ROADMAP.md index d2338857e..8c093ee11 100644 --- a/.planning/ROADMAP.md +++ b/.planning/ROADMAP.md @@ -85,7 +85,7 @@ Decimal phases appear between their surrounding integers in numeric order. **Milestone Goal:** Fix memory leaks causing session screen freezes after ~10 minutes. Audit and fix cleanup patterns in VU meters, chat window, and session screen components. - [x] **Phase 19: Audit and Discovery** - Investigate all three areas, identify actual memory leaks with evidence -- [ ] **Phase 20: VU Meter Fixes** - Fix identified VU meter interval/animation cleanup issues +- [x] **Phase 20: VU Meter Fixes** - Fix identified VU meter interval/animation cleanup issues - [ ] **Phase 21: Chat Window Fixes** - Fix identified chat WebSocket listener and state cleanup issues - [ ] **Phase 22: Session Screen Fixes** - Fix identified session screen useEffect and polling cleanup issues - [ ] **Phase 23: Verification** - Validate session stability after fixes @@ -414,7 +414,7 @@ Plans: 5. VU meters can be shown/hidden repeatedly without memory growth Plans: -- [ ] 20-01-PLAN.md — Add removeVuState function and integrate with mixer lifecycle +- [x] 20-01-PLAN.md — Add removeVuState function and integrate with mixer lifecycle - COMPLETE 2026-02-08 #### Phase 21: Chat Window Fixes **Goal**: Fix identified chat WebSocket listener and state cleanup issues @@ -494,7 +494,7 @@ Phases execute in numeric order: 1 → 2 → ... → 18 → 19 → 20 → 21 → | 17. Unit Tests (Jest) | v1.3 | 1/1 | Complete | 2026-02-08 | | 18. Integration Tests (Playwright) | v1.3 | 1/1 | Complete | 2026-02-08 | | 19. Audit and Discovery | v1.4 | 1/1 | Complete | 2026-02-08 | -| 20. VU Meter Fixes | v1.4 | 0/1 | Not started | - | +| 20. VU Meter Fixes | v1.4 | 1/1 | Complete | 2026-02-08 | | 21. Chat Window Fixes | v1.4 | 0/TBD | Not started | - | | 22. Session Screen Fixes | v1.4 | 0/TBD | Not started | - | | 23. Verification | v1.4 | 0/TBD | Not started | - | diff --git a/.planning/phases/20-vumeter-fixes/20-VERIFICATION.md b/.planning/phases/20-vumeter-fixes/20-VERIFICATION.md new file mode 100644 index 000000000..45cc2ec91 --- /dev/null +++ b/.planning/phases/20-vumeter-fixes/20-VERIFICATION.md @@ -0,0 +1,248 @@ +--- +phase: 20-vumeter-fixes +verified: 2026-02-08T14:30:00Z +status: passed +score: 3/3 must-haves verified +re_verification: false +--- + +# Phase 20: VU Meter Fixes Verification Report + +**Phase Goal:** Fix unbounded vuStates growth by adding removeVuState cleanup function and integrating with track lifecycle + +**Verified:** 2026-02-08T14:30:00Z +**Status:** PASSED +**Re-verification:** No — initial verification + +## Goal Achievement + +### Observable Truths + +| # | Truth | Status | Evidence | +|---|-------|--------|----------| +| 1 | VU meter state for a specific mixer can be removed when track leaves | ✓ VERIFIED | removeVuState function exists and is called on mixer removal (useMixerHelper.js:338) | +| 2 | vuStates object stays bounded as tracks join/leave the session | ✓ VERIFIED | Cleanup effect detects removed mixers and deletes their state entries (useMixerHelper.js:320-345) | +| 3 | VU meters continue to work correctly after cleanup function is added | ✓ VERIFIED | removeVuState uses functional setState pattern, doesn't break existing updateVuState (useVuHelpers.js:106-112) | + +**Score:** 3/3 truths verified + +### Required Artifacts + +| Artifact | Expected | Status | Details | +|----------|----------|--------|---------| +| `jam-ui/src/hooks/useVuHelpers.js` | removeVuState callback function | ✓ VERIFIED | Function exists at lines 106-112, exported at line 186 | +| `jam-ui/src/context/VuContext.js` | VuContext with removeVuState exposed | ✓ VERIFIED | VuProvider passes all useVuHelpers exports through context (line 7) | +| `jam-ui/src/hooks/useMixerHelper.js` | Track leave cleanup integration | ✓ VERIFIED | Cleanup effect at lines 320-345, calls removeVuState on mixer removal | + +### Artifact Level Verification + +#### Artifact 1: jam-ui/src/hooks/useVuHelpers.js + +**Level 1: Existence** ✓ PASS +- File exists at specified path +- 194 lines total + +**Level 2: Substantive** ✓ PASS +- Line count: 194 lines (well above 15-line threshold for hooks) +- removeVuState implementation: Lines 106-112 (7 lines) + ```javascript + const removeVuState = useCallback((mixerId) => { + setVuStates(prev => { + const newState = { ...prev }; + delete newState[mixerId]; + return newState; + }); + }, []); + ``` +- Uses functional setState pattern for React compatibility +- Maintains immutability by creating shallow copy before deletion +- Properly wrapped in useCallback with empty dependencies +- Export present at line 186: `removeVuState,` +- No stub patterns detected (no TODO, FIXME, placeholder, console.log-only) + +**Level 3: Wired** ✓ PASS +- Exported in return object (line 186) +- Imported by useMixerHelper.js (line 112): `const { updateVU3, removeVuState } = useVuContext();` +- Used at line 338 of useMixerHelper.js: `removeVuState(mixerId);` +- 4 total references found in codebase (definition + export + import + usage) + +**Artifact 1 Status:** ✓ VERIFIED (all 3 levels pass) + +#### Artifact 2: jam-ui/src/context/VuContext.js + +**Level 1: Existence** ✓ PASS +- File exists at specified path +- 24 lines total + +**Level 2: Substantive** ✓ PASS +- Line count: 24 lines (adequate for context wrapper) +- VuProvider implementation: Lines 6-14 + ```javascript + export const VuProvider = ({ children }) => { + const vuHelpers = useVuHelpers(); + return ( + + {children} + + ); + }; + ``` +- Automatically exposes all useVuHelpers exports (including removeVuState) via line 7 +- useVuContext hook properly throws error if used outside provider (lines 16-22) +- No stub patterns detected +- Pattern confirmed: ALL exports from useVuHelpers are passed through context + +**Level 3: Wired** ✓ PASS +- useVuContext exported at line 16 +- Imported by useMixerHelper.js (line 61): `import { useVuContext } from '../context/VuContext.js';` +- removeVuState accessed via destructuring at line 112 of useMixerHelper.js +- 3 total files import useVuContext (useMixerHelper.js, SessionTrackVU.js, useMixerHelper.old.js) + +**Artifact 2 Status:** ✓ VERIFIED (all 3 levels pass) + +#### Artifact 3: jam-ui/src/hooks/useMixerHelper.js + +**Level 1: Existence** ✓ PASS +- File exists at specified path +- 972 lines total + +**Level 2: Substantive** ✓ PASS +- Line count: 972 lines (well above 10-line threshold for hooks) +- previousMixerIdsRef defined at line 69: `const previousMixerIdsRef = useRef(null);` +- removeVuState destructured at line 112: `const { updateVU3, removeVuState } = useVuContext();` +- Cleanup useEffect: Lines 320-345 (26 lines of substantive logic) + ```javascript + // Cleanup VU state when mixers are removed + useEffect(() => { + if (!isReadyRedux) return; + const currentMixerIds = new Set(Object.keys(allMixers)); + if (!previousMixerIdsRef.current) { + previousMixerIdsRef.current = currentMixerIds; + return; + } + for (const mixerId of previousMixerIdsRef.current) { + if (!currentMixerIds.has(mixerId)) { + removeVuState(mixerId); + console.debug('[useMixerHelper] Cleaned up VU state for removed mixer:', mixerId); + } + } + previousMixerIdsRef.current = currentMixerIds; + }, [allMixers, isReadyRedux, removeVuState]); + ``` +- Uses Set comparison for efficient mixer removal detection +- Guards with isReadyRedux to prevent false positives during mount +- Tracks previous mixer IDs using ref to avoid re-render triggers +- No stub patterns detected (real implementation, not placeholder) +- Console.debug used for debugging, not as stub indicator + +**Level 3: Wired** ✓ PASS +- removeVuState obtained from useVuContext (line 112) +- Called at line 338 when mixer is removed +- useEffect properly depends on [allMixers, isReadyRedux, removeVuState] +- Effect runs when allMixers changes, detecting additions/removals + +**Artifact 3 Status:** ✓ VERIFIED (all 3 levels pass) + +### Key Link Verification + +#### Link 1: useVuHelpers.js → VuContext.js + +**Pattern:** Export in useVuHelpers, re-export in VuContext + +**Status:** ✓ WIRED + +**Evidence:** +- useVuHelpers.js line 186: `removeVuState,` in return object +- VuContext.js line 7: `const vuHelpers = useVuHelpers();` (captures all exports) +- VuContext.js line 10: `` (exposes all to consumers) +- **Wiring confirmed:** removeVuState flows from useVuHelpers → VuContext → consumers + +#### Link 2: useMixerHelper.js → VuContext.js + +**Pattern:** useVuContext import, destructure removeVuState + +**Status:** ✓ WIRED + +**Evidence:** +- useMixerHelper.js line 61: `import { useVuContext } from '../context/VuContext.js';` +- useMixerHelper.js line 112: `const { updateVU3, removeVuState } = useVuContext();` +- useMixerHelper.js line 338: `removeVuState(mixerId);` (actual usage) +- **Wiring confirmed:** useMixerHelper consumes removeVuState from context and calls it + +### Requirements Coverage + +| Requirement | Status | Supporting Truths | Blocking Issue | +|-------------|--------|-------------------|----------------| +| VUMTR-02: Fix any leaking setInterval or requestAnimationFrame calls | ✓ SATISFIED | Truth 2 (vuStates bounded) | None | +| VUMTR-03: Ensure animation stops when VU meters are hidden/unmounted | ✓ SATISFIED | Truth 1, 3 (removeVuState cleanup) | None | + +**Note:** VUMTR-01 (VU callback throttling) was intentionally deferred as a performance optimization, not a memory leak issue (per Phase 19 audit). + +### Anti-Patterns Found + +**Scan of modified files:** `jam-ui/src/hooks/useVuHelpers.js`, `jam-ui/src/hooks/useMixerHelper.js` + +| File | Line | Pattern | Severity | Impact | +|------|------|---------|----------|--------| +| useMixerHelper.js | 339 | console.debug | ℹ️ Info | Debug logging for mixer cleanup (acceptable) | + +**Summary:** No blocking anti-patterns found. The console.debug is intentional debugging output, not a stub indicator. + +### Human Verification Required + +#### 1. Multi-track Session Stability Test + +**Test:** Join a music session, add 3+ tracks, then remove all tracks, repeat 5 times + +**Expected:** +- Session remains responsive +- VU meters stop displaying for removed tracks +- No memory accumulation visible in browser DevTools (Memory tab) +- vuStates object in React DevTools contains only active mixer entries + +**Why human:** Requires actual session with multiple participants and browser memory profiling tools. Cannot verify dynamic memory behavior through static code analysis. + +#### 2. VU Meter Show/Hide Cycles + +**Test:** In a session with active tracks, repeatedly show/hide VU meters (if UI supports this) 10+ times + +**Expected:** +- VU meters render correctly each time +- No visual artifacts or frozen VU displays +- Memory usage stable (verify with browser DevTools Performance monitor) + +**Why human:** Requires visual inspection and user interaction to verify UI correctness and memory stability over time. + +#### 3. Long Session Test (15+ minutes) + +**Test:** Remain in an active session for 15+ minutes with tracks joining/leaving + +**Expected:** +- No session freeze at ~10 minute mark (original bug) +- Session remains responsive throughout +- VU meters continue updating correctly +- Browser memory usage remains stable (not continuously growing) + +**Why human:** Requires extended time-based testing and real-time observation of application behavior. Cannot simulate 15-minute session behavior through code inspection. + +--- + +## Verification Summary + +**All automated checks passed:** +- ✓ All 3 truths verified +- ✓ All 3 artifacts exist, are substantive, and are wired +- ✓ All 2 key links verified as wired +- ✓ All 2 mapped requirements satisfied +- ✓ No blocking anti-patterns found + +**Status:** PASSED (with human verification recommended for runtime behavior) + +**Risk Assessment:** LOW - Implementation follows React best practices (useCallback, functional setState, useRef for tracking). The pattern is sound and addresses the audit findings (VUMTR-02, VUMTR-03). Human verification is recommended to confirm the memory leak is actually fixed in practice, but the code changes are correct. + +**Recommendation:** Proceed to Phase 21 (Chat Window Fixes). Schedule human verification testing during Phase 23 (Verification) to validate all fixes together. + +--- + +_Verified: 2026-02-08T14:30:00Z_ +_Verifier: Claude (gsd-verifier)_