diff --git a/.planning/ROADMAP.md b/.planning/ROADMAP.md
index 7a3d42771..9fca22b05 100644
--- a/.planning/ROADMAP.md
+++ b/.planning/ROADMAP.md
@@ -466,7 +466,7 @@ Plans:
6. All existing Playwright tests still pass (no regressions)
Plans:
-- [ ] 23-01: TBD
+- [ ] 23-01-PLAN.md — Regression tests and manual memory verification UAT
## Progress
@@ -497,4 +497,4 @@ Phases execute in numeric order: 1 → 2 → ... → 18 → 19 → 20 → 21 →
| 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 | 1/1 | Complete | 2026-02-08 |
-| 23. Verification | v1.4 | 0/TBD | Not started | - |
+| 23. Verification | v1.4 | 0/1 | Not started | - |
diff --git a/.planning/phases/23-verification/23-01-PLAN.md b/.planning/phases/23-verification/23-01-PLAN.md
new file mode 100644
index 000000000..4cdbabbb1
--- /dev/null
+++ b/.planning/phases/23-verification/23-01-PLAN.md
@@ -0,0 +1,204 @@
+---
+phase: 23-verification
+plan: 01
+type: execute
+wave: 1
+depends_on: []
+files_modified:
+ - .planning/phases/23-verification/23-UAT.md
+autonomous: false
+
+must_haves:
+ truths:
+ - "All existing Playwright tests pass without regressions"
+ - "Manual UAT checklist exists for memory verification"
+ - "User can verify session stability with documented steps"
+ artifacts:
+ - path: ".planning/phases/23-verification/23-UAT.md"
+ provides: "Manual verification checklist for memory leaks"
+ contains: "15+ minutes"
+ key_links:
+ - from: "Phase 20 fixes"
+ to: "VU meter verification steps"
+ via: "UAT checklist section"
+ - from: "Phase 21 fixes"
+ to: "Chat verification steps"
+ via: "UAT checklist section"
+ - from: "Phase 22 fixes"
+ to: "Session cleanup verification steps"
+ via: "UAT checklist section"
+---
+
+
+Verify all memory leak fixes from Phases 20-22 work correctly through automated regression tests and manual memory profiling checklist.
+
+Purpose: Confirm v1.4 Memory Leak Prevention milestone is complete before shipping
+Output: Passing test suite + UAT.md checklist for human verification
+
+
+
+@/Users/nuwan/.claude/get-shit-done/workflows/execute-plan.md
+@/Users/nuwan/.claude/get-shit-done/templates/summary.md
+
+
+
+@.planning/PROJECT.md
+@.planning/ROADMAP.md
+@.planning/STATE.md
+@.planning/phases/20-vumeter-fixes/20-01-SUMMARY.md
+@.planning/phases/21-chat-window-fixes/21-01-SUMMARY.md
+@.planning/phases/22-session-screen-fixes/22-01-SUMMARY.md
+
+
+
+
+
+ Task 1: Run Playwright regression tests
+ N/A (test execution only)
+
+Execute all existing Playwright tests to verify memory leak fixes don't introduce regressions.
+
+Run command:
+```bash
+cd /Users/nuwan/Code/jam-cloud/jam-ui && npx playwright test --config=playwright.chrome.config.ts
+```
+
+If any tests fail:
+1. Document which tests failed
+2. Analyze if failures are related to Phase 20-22 changes or pre-existing issues
+3. Note pre-existing failures (documented in STATE.md deferred issues) vs new failures
+
+Key test areas to verify pass:
+- chat/*.spec.ts (chat functionality)
+- attachments/*.spec.ts (attachment functionality)
+- session-settings/*.spec.ts (session settings)
+- e2e/*.spec.ts (end-to-end flows)
+
+ Test execution completes and results are documented
+ Playwright test results captured showing pass/fail status for all test files
+
+
+
+ Task 2: Create UAT checklist for manual memory verification
+ .planning/phases/23-verification/23-UAT.md
+
+Create comprehensive UAT checklist for manual memory leak verification. Memory profiling requires human interaction with browser dev tools and cannot be fully automated.
+
+UAT.md must include:
+
+**Header:**
+```markdown
+---
+phase: 23-verification
+type: uat
+status: pending
+---
+
+# Phase 23: Memory Leak Verification UAT
+
+## Prerequisites
+- Browser: Chrome (recommended for DevTools memory profiling)
+- DevTools open with Performance Monitor and Memory tabs
+- jam-ui running locally (npm run start)
+- web backend running (./runweb)
+```
+
+**Section 1: VU Meter Verification (Phase 20 fixes)**
+Steps to verify vuStates cleanup:
+1. Open React DevTools, find VuContext provider
+2. Join session with tracks
+3. Note initial vuStates keys
+4. Add/remove tracks multiple times
+5. Verify vuStates only contains active mixer IDs (no orphaned entries)
+
+**Section 2: Chat Memory Verification (Phase 21 fixes)**
+Steps to verify bounded messages and cleanup:
+1. Open session, open chat window
+2. Send 10+ messages
+3. Open Redux DevTools, check sessionChat.messages array
+4. Close session (leave button)
+5. Verify sessionChat.messages is empty
+6. Verify no memory growth after repeated open/close cycles
+
+**Section 3: Session Screen Verification (Phase 22 fixes)**
+Steps to verify callback cleanup:
+1. Join session
+2. Leave session via button
+3. Navigate back to dashboard
+4. Join again
+5. Verify no duplicate callbacks registered (check console for warnings)
+
+**Section 4: 15-Minute Stability Test (VRFY-01)**
+Extended session test:
+1. Join session
+2. Open/close chat window 5 times
+3. Show/hide VU meters 5 times
+4. Leave and rejoin session 3 times
+5. Keep session active for 15+ minutes
+6. Verify app remains responsive (no freezes)
+
+**Section 5: Memory Growth Check (VRFY-02)**
+Using Chrome DevTools:
+1. Open Performance Monitor (More tools > Performance monitor)
+2. Note initial JS heap size
+3. Perform all actions from Section 4
+4. Take heap snapshot
+5. Verify heap doesn't show unbounded growth (should stabilize)
+
+**Verification Results Section:**
+Template for recording pass/fail with timestamps and notes.
+
+ File exists at .planning/phases/23-verification/23-UAT.md with all 5 sections
+ UAT.md contains comprehensive checklist covering VU meters, chat, session screen, 15-min stability, and memory growth verification
+
+
+
+ Task 3: Execute manual memory verification
+ Automated tests passed (Task 1) and UAT checklist created (Task 2)
+
+Follow the UAT checklist in `.planning/phases/23-verification/23-UAT.md`:
+
+1. **Quick verification (5 min):**
+ - Join session, open/close chat 3 times
+ - Show/hide VU meters 3 times
+ - Verify no console errors
+ - App should remain responsive
+
+2. **Full verification (15+ min):**
+ - Complete all sections in UAT.md
+ - Record results in the verification results section
+
+3. **Memory check:**
+ - Open Chrome DevTools > Performance Monitor
+ - Note JS heap size before and after test
+ - Should stabilize, not grow unbounded
+
+Expected results:
+- No console errors related to cleanup
+- No memory growth patterns visible
+- App remains responsive throughout
+
+ Type "approved" with brief summary of results, or describe any issues found
+
+
+
+
+
+1. Playwright tests: All tests pass or failures documented as pre-existing
+2. UAT.md: File exists with complete checklist
+3. Manual verification: User confirms session stability
+
+
+
+1. All existing Playwright tests pass (no new regressions from Phase 20-22 changes)
+2. UAT.md created with comprehensive memory verification checklist
+3. User executes manual verification and confirms:
+ - Session remains stable for 15+ minutes (VRFY-01)
+ - Memory usage doesn't grow unbounded (VRFY-02)
+
+
+