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# To-Do List
**High-level task tracker.** See individual design docs for implementation details.
**Completed tasks:** `doc/COMPLETED.md`
---
## Priority 1: Spectral Brush Editor (Task #5) [IN PROGRESS]
Procedural spectrogram tool: 50-100× compression (5 KB .spec → ~100 bytes C++).
**Design:** `doc/SPECTRAL_BRUSH_EDITOR.md`
---
## ~~Priority 2: Workspace System (Task #77)~~ [COMPLETED]
Self-contained workspaces for parallel demo development.
**Design:** `doc/WORKSPACE_SYSTEM.md`
**Usage:** `cmake -B build -DDEMO_WORKSPACE=main`
---
## Priority 2: CNN v2 - Parametric Static Features (Task #85) [IN PROGRESS]
Enhanced CNN post-processing with multi-dimensional feature inputs.
**Design:** `doc/CNN_V2.md`
**Status:**
- ✅ Phase 1: Static features shader (RGBD + UV + sin encoding + bias → 8×f16, 3 mip levels)
- ✅ Phase 2: C++ effect class (CNNv2Effect skeleton, multi-pass architecture)
- ✅ Phase 3: Training pipeline (`train_cnn_v2.py`, `export_cnn_v2_shader.py`)
- ✅ Phase 4: Validation tooling (`scripts/validate_cnn_v2.sh`)
- ⏳ Phase 5: Full implementation (bind groups, multi-pass execution, layer shaders)
**Next:** Complete CNNv2Effect render pipeline, test with trained checkpoint
**Key improvements over v1:**
- 7D static feature input (vs 4D RGB)
- Per-layer configurable kernels (1×1, 3×3, 5×5)
- Float16 weight storage (~6.4 KB)
**Target:** <10 KB for 64k demo constraint
---
## Priority 3: 3D System Enhancements (Task #18)
Pipeline for importing complex 3D scenes to replace hardcoded geometry.
**Status:** C++ object data loading complete. Shader SDF integration pending.
---
## Priority 4: WGSL Modularization (Task #50) [RECURRENT]
Ongoing shader code hygiene for granular, reusable snippets.
---
## Future: Size Optimization (64k Target)
- Task #22: Windows Native Platform (Win32)
- Task #28: Spectrogram Quantization
- Task #34: Full STL Removal
- Task #35: CRT Replacement
**Measure:** `./scripts/measure_size.sh`
---
**Backlog:** `doc/BACKLOG.md` for untriaged ideas
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