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jam-cloud/.planning/REQUIREMENTS.md

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Requirements: Memory Leak Prevention

Defined: 2026-02-08 Core Value: Fix memory leaks to ensure stable session experience without freezes or crashes

v1.4 Requirements

Requirements for fixing memory leaks in the session screen. Focus on cleanup patterns.

VU Meters (VUMTR)

  • VUMTR-01: Audit VU meter components for interval/timer cleanup on unmount (deferred - throttling is performance, not memory leak)
  • VUMTR-02: Fix any leaking setInterval or requestAnimationFrame calls
  • VUMTR-03: Ensure animation stops when VU meters are hidden/unmounted

Chat Window (CHAT)

  • CHAT-01: Audit WebSocket listener registration and cleanup patterns (verified OK in Phase 19)
  • CHAT-02: Check for unbounded message list growth in Redux state
  • CHAT-03: Ensure proper cleanup when chat window closes

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 (verified OK in Phase 19)
  • SESS-03: Audit event listener registration/removal patterns (verified OK in Phase 19)

Verification (VRFY)

  • VRFY-01: Session remains stable for 15+ minutes without freeze
  • VRFY-02: Memory usage doesn't grow unbounded (verify in browser dev tools)

Out of Scope

Feature Reason
Recording modal performance Separate milestone, different component tree
New features Focus purely on fixing existing leaks
Backend changes Frontend-only fixes
Major refactoring Minimal changes to fix leaks, preserve behavior

Traceability

Requirement Phase Status
VUMTR-01 Phase 20 Deferred
VUMTR-02 Phase 20 Complete
VUMTR-03 Phase 20 Complete
CHAT-01 Phase 21 Complete (verified in Phase 19)
CHAT-02 Phase 21 Complete
CHAT-03 Phase 21 Complete
SESS-01 Phase 22 Complete
SESS-02 Phase 22 Complete
SESS-03 Phase 22 Complete
VRFY-01 Phase 23 Complete
VRFY-02 Phase 23 Complete

Coverage:

  • v1.4 requirements: 11 total
  • Mapped to phases: 11
  • Unmapped: 0

Phase Summary:

  • Phase 19 (Audit and Discovery): 0 requirements (discovery phase - informs subsequent phases)
  • Phase 20 (VU Meter Fixes): 3 requirements (VUMTR-01, VUMTR-02, VUMTR-03)
  • Phase 21 (Chat Window Fixes): 3 requirements (CHAT-01, CHAT-02, CHAT-03)
  • Phase 22 (Session Screen Fixes): 3 requirements (SESS-01, SESS-02, SESS-03)
  • Phase 23 (Verification): 2 requirements (VRFY-01, VRFY-02)

Requirements defined: 2026-02-08 Last updated: 2026-02-10 after Phase 23 verification complete