docs: Add sub-task for Shader Asset Testing & Validation (Task #26)

Added a new sub-task to the project roadmap for developing comprehensive tests for ShaderComposer and WGSL shader code assets. This will ensure robustness and correctness of the shader asset pipeline.

1 files changed, 4 insertions, 0 deletions

diff --git a/TODO.md b/TODO.md
index a0c5acb..15d1149 100644
--- a/TODO.md
+++ b/TODO.md
@@ -19,6 +19,10 @@ This file tracks prioritized tasks with detailed attack plans.
 - [ ] **Attack Plan - Runtime Loader:** Implement a minimal C++ parser to load the scene data into the ECS/Renderer.
 
 ## Future Goals
+- [ ] **Task #26: Shader Asset Testing & Validation**:
+    - [ ] **Attack Plan - `ShaderComposer` Unit Tests**: Add tests to `test_shader_composer.cc` to verify correct snippet registration, retrieval, and composition for various WGSL shader assets.
+    - [ ] **Attack Plan - Asset Content Validation**: Implement checks (e.g., in `test_assets.cc`) to ensure loaded WGSL shader assets are non-empty and contain expected entry points (`vs_main`, `fs_main`, `main` for compute shaders).
+    - [ ] **Attack Plan - Runtime Shader Validation**: Integrate basic validation steps into the rendering pipeline (e.g., in `gpu.cc`) to log warnings or errors if compiled shader modules are invalid, providing earlier feedback than WebGPU validation errors.
 - [ ] **Task #21: Shader Optimization**: Normal factorization and Tri-planar mapping.
 - [ ] **Task #5: Spectrogram Editor**: Web-based visual tool for extreme audio compression.
 - [ ] **Task #22: Windows Native Platform**: Replace GLFW with direct Win32 API calls for the final 64k push.