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@@ -18,7 +18,7 @@ This file tracks prioritized tasks with detailed attack plans.
 
 ## Priority 3: Shader Optimization (Task #21)
 **Goal:** Improve GPU performance and reduce shader source bloat.
-- [ ] **Attack Plan - SDF Macros:** Use `#define` macros in WGSL to simplify sampling and bump mapping logic.
+- [x] **Attack Plan - SDF Macros:** Use `#define` macros in WGSL to simplify sampling and bump mapping logic.
 
 ## Future Goals
 - [ ] **Task #5: Spectrogram Editor**: Web-based visual tool for extreme audio compression.