From 41972973caa706dcfc69ff1879887ece9612bcea Mon Sep 17 00:00:00 2001 From: Nuwan Date: Sun, 8 Feb 2026 21:55:15 +0530 Subject: [PATCH] docs(22): complete Session Screen Fixes phase Phase 22 verified: 3/3 must-haves passed (SESS-01, SESS-02, SESS-03) - SESS-01: Callback cleanup hardened with useRef pattern - SESS-02: Polling intervals verified OK (Phase 19) - SESS-03: Event listeners verified OK (Phase 19) Co-Authored-By: Claude Opus 4.5 --- .planning/REQUIREMENTS.md | 12 +-- .planning/ROADMAP.md | 8 +- .planning/STATE.md | 2 +- .../22-VERIFICATION.md | 90 +++++++++++++++++++ 4 files changed, 101 insertions(+), 11 deletions(-) create mode 100644 .planning/phases/22-session-screen-fixes/22-VERIFICATION.md diff --git a/.planning/REQUIREMENTS.md b/.planning/REQUIREMENTS.md index 1329303e4..619d79bf4 100644 --- a/.planning/REQUIREMENTS.md +++ b/.planning/REQUIREMENTS.md @@ -21,9 +21,9 @@ Requirements for fixing memory leaks in the session screen. Focus on cleanup pat ### Session Screen Base (SESS) -- [ ] **SESS-01**: Audit useEffect hooks for missing cleanup return functions -- [ ] **SESS-02**: Check polling intervals for proper cleanup on component unmount -- [ ] **SESS-03**: Audit event listener registration/removal patterns +- [x] **SESS-01**: Audit useEffect hooks for missing cleanup return functions +- [x] **SESS-02**: Check polling intervals for proper cleanup on component unmount (verified OK in Phase 19) +- [x] **SESS-03**: Audit event listener registration/removal patterns (verified OK in Phase 19) ### Verification (VRFY) @@ -49,9 +49,9 @@ Requirements for fixing memory leaks in the session screen. Focus on cleanup pat | CHAT-01 | Phase 21 | Complete (verified in Phase 19) | | CHAT-02 | Phase 21 | Complete | | CHAT-03 | Phase 21 | Complete | -| SESS-01 | Phase 22 | Pending | -| SESS-02 | Phase 22 | Pending | -| SESS-03 | Phase 22 | Pending | +| SESS-01 | Phase 22 | Complete | +| SESS-02 | Phase 22 | Complete | +| SESS-03 | Phase 22 | Complete | | VRFY-01 | Phase 23 | Pending | | VRFY-02 | Phase 23 | Pending | diff --git a/.planning/ROADMAP.md b/.planning/ROADMAP.md index 3967f0d60..7a3d42771 100644 --- a/.planning/ROADMAP.md +++ b/.planning/ROADMAP.md @@ -86,8 +86,8 @@ Decimal phases appear between their surrounding integers in numeric order. - [x] **Phase 19: Audit and Discovery** - Investigate all three areas, identify actual memory leaks with evidence - [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 +- [x] **Phase 21: Chat Window Fixes** - Fix identified chat WebSocket listener and state cleanup issues +- [x] **Phase 22: Session Screen Fixes** - Fix identified session screen useEffect and polling cleanup issues - [ ] **Phase 23: Verification** - Validate session stability after fixes ## Phase Details @@ -448,7 +448,7 @@ Plans: 5. No orphaned polling or listeners accumulate during normal session use Plans: -- [ ] 22-01-PLAN.md - Callback cleanup hardening with useRef pattern (SESS-01) +- [x] 22-01-PLAN.md - Callback cleanup hardening with useRef pattern (SESS-01) - COMPLETE 2026-02-08 #### Phase 23: Verification **Goal**: Validate session stability after all fixes are applied @@ -496,5 +496,5 @@ Phases execute in numeric order: 1 → 2 → ... → 18 → 19 → 20 → 21 → | 19. Audit and Discovery | v1.4 | 1/1 | Complete | 2026-02-08 | | 20. VU Meter Fixes | v1.4 | 1/1 | Complete | 2026-02-08 | | 21. Chat Window Fixes | v1.4 | 1/1 | Complete | 2026-02-08 | -| 22. Session Screen Fixes | v1.4 | 0/TBD | Not started | - | +| 22. Session Screen Fixes | v1.4 | 1/1 | Complete | 2026-02-08 | | 23. Verification | v1.4 | 0/TBD | Not started | - | diff --git a/.planning/STATE.md b/.planning/STATE.md index 7dc3e4f0b..63bc9004e 100644 --- a/.planning/STATE.md +++ b/.planning/STATE.md @@ -14,7 +14,7 @@ Plan: 01 of 01 - Complete Status: Phase complete Last activity: 2026-02-08 - Completed 22-01-PLAN.md (Session Callback Cleanup) -Progress (v1.4): [████████████░░░░░░░░] 60% +Progress (v1.4): [████████████████░░░░] 80% ## Performance Metrics diff --git a/.planning/phases/22-session-screen-fixes/22-VERIFICATION.md b/.planning/phases/22-session-screen-fixes/22-VERIFICATION.md new file mode 100644 index 000000000..1e91fe503 --- /dev/null +++ b/.planning/phases/22-session-screen-fixes/22-VERIFICATION.md @@ -0,0 +1,90 @@ +--- +phase: 22-session-screen-fixes +verified: 2026-02-08T17:30:00Z +status: passed +score: 3/3 must-haves verified +--- + +# Phase 22: Session Screen Fixes Verification Report + +**Phase Goal:** Fix identified session screen useEffect and polling cleanup issues +**Verified:** 2026-02-08T17:30:00Z +**Status:** passed +**Re-verification:** No - initial verification + +## Goal Achievement + +### Observable Truths + +| # | Truth | Status | Evidence | +|---|-------|--------|----------| +| 1 | Session screen cleanup runs on component unmount regardless of leave handler execution | VERIFIED | useEffect cleanup at line 940-957 calls `unregisterMessageCallbacks()` which uses `registeredCallbacksRef.current` | +| 2 | Callback registration uses refs to ensure cleanup always has access to current callbacks | VERIFIED | `registeredCallbacksRef` declared at line 294, used in `unregisterMessageCallbacks` at line 299 | +| 3 | Session can be exited via any path (leave button, navigation, browser close) without leaking callbacks | VERIFIED | Three exit paths covered: (1) Leave button calls `unregisterMessageCallbacks()` at line 899, (2) Navigation/unmount triggers cleanup useEffect return at line 941-943, (3) Browser close handled by server-side connection cleanup | + +**Score:** 3/3 truths verified + +### Required Artifacts + +| Artifact | Expected | Status | Details | +|----------|----------|--------|---------| +| `jam-ui/src/components/client/JKSessionScreen.js` | Improved callback cleanup with useRef | VERIFIED | `registeredCallbacksRef` at line 294, used in `unregisterMessageCallbacks()` at line 299, registration stores to both state and ref at lines 633-634 | + +### Key Link Verification + +| From | To | Via | Status | Details | +|------|-----|-----|--------|---------| +| JKSessionScreen cleanup useEffect | unregisterMessageCallback | registeredCallbacksRef.current | WIRED | Line 299: `const callbacks = registeredCallbacksRef.current;` followed by iteration and unregistration at lines 300-301 | +| Callback registration | Both state and ref | setRegisteredCallbacks + ref assignment | WIRED | Lines 633-634: `setRegisteredCallbacks(callbacksToRegister);` and `registeredCallbacksRef.current = callbacksToRegister;` | +| Leave handler | unregisterMessageCallbacks | Direct call | WIRED | Line 899: `unregisterMessageCallbacks();` called before leaving session | + +### Requirements Coverage + +| Requirement | Status | Notes | +|-------------|--------|-------| +| SESS-01 | SATISFIED | useRef pattern implemented for reliable callback cleanup on all exit paths | +| SESS-02 | SATISFIED | Phase 19 audit verified useJamServer.js, useSessionStats.js timers already have proper cleanup | +| SESS-03 | SATISFIED | Phase 19 audit verified useJamServer.js event listeners already have proper cleanup | + +### Anti-Patterns Found + +| File | Line | Pattern | Severity | Impact | +|------|------|---------|----------|--------| +| None found | - | - | - | No stub patterns, TODOs, or placeholder content in modified code | + +### Human Verification Required + +None required - all verification criteria can be confirmed through static code analysis. + +### Success Criteria Verification + +From ROADMAP.md: + +| # | Criterion | Status | Evidence | +|---|-----------|--------|----------| +| 1 | All useEffect hooks that set up subscriptions/intervals have cleanup return functions | VERIFIED | JKSessionScreen.js cleanup useEffect at line 940-957; useJamServer.js, useSessionStats.js, useSessionModel.js all have proper cleanup (per Phase 19 audit) | +| 2 | All polling intervals are cleared on component unmount | VERIFIED | useSessionStats.js line 153 `return () => clearInterval(interval);`; useJamServer.js has comprehensive timer cleanup | +| 3 | All event listeners have corresponding removal on cleanup | VERIFIED | useJamServer.js lines 644-651 removes activity event listeners; no new listeners added | +| 4 | Session screen can be mounted/unmounted without memory growth | VERIFIED (code) | Cleanup patterns ensure callbacks and state are cleared; full runtime verification deferred to Phase 23 | +| 5 | No orphaned polling or listeners accumulate during normal session use | VERIFIED (code) | All timer and listener patterns reviewed; no accumulation patterns found | + +### Summary + +Phase 22 goal achieved. The session screen callback cleanup has been hardened with the useRef pattern to ensure reliable cleanup on all exit paths: + +1. **SESS-01 addressed:** Added `registeredCallbacksRef` alongside `registeredCallbacks` state. The `unregisterMessageCallbacks` function now reads from the ref rather than state, avoiding stale closure issues when the component unmounts unexpectedly. + +2. **SESS-02 confirmed satisfied:** Phase 19 audit verified that useJamServer.js, useSessionStats.js, and useSessionModel.js all have proper timer cleanup patterns. No code changes required. + +3. **SESS-03 confirmed satisfied:** Phase 19 audit verified that event listener patterns in useJamServer.js have proper cleanup. No code changes required. + +The implementation follows best practices: +- useRef for stable reference across renders +- Both state (for reactivity) and ref (for cleanup) updated on registration +- Cleanup function uses ref to guarantee access to current callbacks +- Multiple exit paths (leave button, navigation, unmount) all trigger cleanup + +--- + +*Verified: 2026-02-08T17:30:00Z* +*Verifier: Claude (gsd-verifier)*