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docs(21): complete Chat Window Fixes phase

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Nuwan 2026-02-08 20:56:30 +05:30
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12
.planning/REQUIREMENTS.md
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@ -15,9 +15,9 @@ Requirements for fixing memory leaks in the session screen. Focus on cleanup pat
### Chat Window (CHAT)
- [ ] **CHAT-01**: Audit WebSocket listener registration and cleanup patterns
- [ ] **CHAT-02**: Check for unbounded message list growth in Redux state
- [ ] **CHAT-03**: Ensure proper cleanup when chat window closes
- [x] **CHAT-01**: Audit WebSocket listener registration and cleanup patterns (verified OK in Phase 19)
- [x] **CHAT-02**: Check for unbounded message list growth in Redux state
- [x] **CHAT-03**: Ensure proper cleanup when chat window closes
### Session Screen Base (SESS)
@ -46,9 +46,9 @@ Requirements for fixing memory leaks in the session screen. Focus on cleanup pat
| 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 |
| 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 |

4
.planning/ROADMAP.md
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@ -431,7 +431,7 @@ Plans:
5. Redux state cleanup happens when session ends or user leaves
Plans:
- [ ] 21-01-PLAN.md — Bounded message storage and session leave cleanup (CHAT-01, CHAT-03)
- [x] 21-01-PLAN.md — Bounded message storage and session leave cleanup (CHAT-02, CHAT-03) - COMPLETE 2026-02-08
#### Phase 22: Session Screen Fixes
**Goal**: Fix identified session screen useEffect and polling cleanup issues
@ -495,6 +495,6 @@ Phases execute in numeric order: 1 → 2 → ... → 18 → 19 → 20 → 21 →
| 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 | 1/1 | Complete | 2026-02-08 |
| 21. Chat Window Fixes | v1.4 | 0/1 | Not started | - |
| 21. Chat Window Fixes | v1.4 | 1/1 | Complete | 2026-02-08 |
| 22. Session Screen Fixes | v1.4 | 0/TBD | Not started | - |
| 23. Verification | v1.4 | 0/TBD | Not started | - |

102
.planning/phases/21-chat-window-fixes/21-VERIFICATION.md Normal file
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@ -0,0 +1,102 @@
---
phase: 21-chat-window-fixes
verified: 2026-02-08T15:35:00Z
status: passed
score: 4/4 must-haves verified
re_verification: false
---
# Phase 21: Chat Window Fixes Verification Report
**Phase Goal:** Fix unbounded message accumulation and add session leave cleanup
**Verified:** 2026-02-08T15:35:00Z
**Status:** passed
**Re-verification:** No - initial verification
## Goal Achievement
### Observable Truths
| # | Truth | Status | Evidence |
|---|-------|--------|----------|
| 1 | Chat messages are limited to MAX_MESSAGES (500) per channel | VERIFIED | `MAX_MESSAGES = 500` constant at line 9, used in 3 reducers |
| 2 | Oldest messages are removed when new messages exceed the limit | VERIFIED | `slice(-MAX_MESSAGES)` at lines 216, 397, 546 - negative slice keeps last N |
| 3 | Chat state is cleared when user leaves session | VERIFIED | `clearAllMessages` dispatched at lines 916 (handleLeaveSubmit) and 947 (unmount useEffect) |
| 4 | Memory usage does not grow unbounded with chat activity | VERIFIED | Bounded array + cleanup on leave = structural fix for unbounded growth |
**Score:** 4/4 truths verified
### Required Artifacts
| Artifact | Expected | Status | Details |
|----------|----------|--------|---------|
| `jam-ui/src/store/features/sessionChatSlice.js` | MAX_MESSAGES constant and clearAllMessages action | VERIFIED | Line 9: `const MAX_MESSAGES = 500;`, Lines 320-328: `clearAllMessages` reducer, Line 570: exported |
| `jam-ui/src/components/client/JKSessionScreen.js` | Chat cleanup on session leave | VERIFIED | Line 58: import, Line 916: in handleLeaveSubmit, Line 947: in unmount cleanup |
### Artifact Level Verification
**sessionChatSlice.js:**
- Level 1 (Exists): EXISTS (758 lines)
- Level 2 (Substantive): SUBSTANTIVE - comprehensive Redux slice with constants, reducers, thunks, selectors
- Level 3 (Wired): WIRED - imported and used in JKSessionScreen.js
**JKSessionScreen.js:**
- Level 1 (Exists): EXISTS (1746 lines)
- Level 2 (Substantive): SUBSTANTIVE - full session screen component with all handlers
- Level 3 (Wired): WIRED - main component used in routing
### Key Link Verification
| From | To | Via | Status | Details |
|------|----|-----|--------|---------|
| sessionChatSlice.js addMessageFromWebSocket | slice(-MAX_MESSAGES) | array limit after push | WIRED | Line 216: `state.messagesByChannel[channel].slice(-MAX_MESSAGES)` |
| sessionChatSlice.js fetchChatHistory.fulfilled | slice(-MAX_MESSAGES) | array limit after merge | WIRED | Line 397: same pattern |
| sessionChatSlice.js uploadAttachment.fulfilled | slice(-MAX_MESSAGES) | array limit after push | WIRED | Line 546: same pattern |
| JKSessionScreen.js handleLeaveSubmit | clearAllMessages action | dispatch on session leave | WIRED | Line 916: `dispatch(clearAllMessages())` before `dispatch(clearSession())` |
| JKSessionScreen.js unmount cleanup | clearAllMessages action | dispatch in useEffect return | WIRED | Line 947: `dispatch(clearAllMessages())` before `dispatch(clearSession())` |
### Requirements Coverage
| Requirement | Status | Evidence |
|-------------|--------|----------|
| CHAT-02 (Unbounded message growth) | SATISFIED | MAX_MESSAGES = 500 bounds array, slice(-MAX_MESSAGES) enforced in all 3 message-adding reducers |
| CHAT-03 (No cleanup on session leave) | SATISFIED | clearAllMessages dispatched in both leave paths (handleLeaveSubmit + unmount) |
| CHAT-01 (WebSocket listener cleanup) | PREVIOUSLY VERIFIED | Phase 19 audit confirmed proper cleanup in unregisterMessageCallbacks |
### ROADMAP Success Criteria Check
From ROADMAP.md Phase 21 success criteria:
| Criteria | Status | Evidence |
|----------|--------|----------|
| 1. WebSocket listeners properly removed when chat window closes | VERIFIED (Phase 19) | unregisterMessageCallbacks called in cleanup |
| 2. Message list has bounded growth | VERIFIED | MAX_MESSAGES = 500 per channel |
| 3. Chat window can be opened/closed repeatedly without memory growth | VERIFIED | Bounded arrays + cleanup on leave |
| 4. No duplicate WebSocket listeners accumulate over time | VERIFIED (Phase 19) | setRegisteredCallbacks pattern with cleanup |
| 5. Redux state cleanup happens when session ends or user leaves | VERIFIED | clearAllMessages dispatched in both leave paths |
### Anti-Patterns Found
| File | Line | Pattern | Severity | Impact |
|------|------|---------|----------|--------|
| None | - | - | - | No anti-patterns found in phase 21 changes |
### Human Verification Required
None required - all changes are structural and verifiable programmatically.
### Summary
Phase 21 goal fully achieved. All must-haves verified:
1. **MAX_MESSAGES = 500** constant properly defined and used in all 3 message-adding reducers
2. **slice(-MAX_MESSAGES)** ensures oldest messages are dropped (FIFO queue behavior)
3. **clearAllMessages** action properly clears messagesByChannel, unreadCounts, fetchStatus, fetchError, and nextCursors
4. **Cleanup dispatched in both leave paths**: handleLeaveSubmit (user clicks Leave) and component unmount (navigation away)
The implementation follows the pattern established in Phase 20 for VU meter cleanup - dispatch cleanup before parent state clear.
---
*Verified: 2026-02-08T15:35:00Z*
*Verifier: Claude (gsd-verifier)*