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@@ -31,6 +31,7 @@ This file tracks prioritized tasks with detailed attack plans.
 - [ ] **Task #8**: Implement Final Build Stripping
 
 ## Recently Completed
+- [x] **Minimal Audio Tracker**: Implemented a pattern and score-based audio tracker system. Details in `doc/TRACKER.md`.
 - [x] **WGSL Library (Task 21.1)**: Implemented ShaderComposer for modular WGSL snippet management.
 - [x] **Tight Ray Bounds (Task 21.2)**: Derived t_min and t_max from proxy hull hits via local-space ray-box intersection.
 - [x] **Math & Unit Tests**: Added rigorous matrix inversion checks and ShaderComposer verification tests.