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14 hoursfeat: Rename GPU stub and headless files and update referencesskal
26 hoursrefactor: remove C++ seq_compiler and Gantt chart referencesskal
- Remove tools/seq_compiler.cc (replaced by seq_compiler.py) - Remove C++ seq_compiler build target from cmake/DemoTools.cmake - Update documentation to remove Gantt chart mentions - Keep seq_compiler.py (active Python compiler) - All tests passing (34/34)
30 hoursdocs: streamline and consolidate markdown documentationskal
Remove 530 lines of redundant content, archive dated docs, compact CNN training sections, fix inconsistencies (effect count, test status). Improves maintainability and reduces context load for AI agents. Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
36 hoursfeat(sequence): complete v2 migration with DAG-based routingskal
Phase 4 complete: V1 system removed, v2 fully operational. Architecture Changes: - Explicit Node system with typed buffers (u8x4_norm, f32x4, depth24) - DAG effect routing with multi-input/multi-output support - Python compiler (seq_compiler_v2.py) with topological sort and ping-pong optimization - Compile-time node aliasing for framebuffer reuse V1 Removal (~4KB): - Deleted effect.h/cc base classes (1.4KB) - Deleted 19 v1 effect pairs: heptagon, particles, passthrough, gaussian_blur, solarize, scene1, chroma_aberration, vignette, hybrid_3d, flash_cube, theme_modulation, fade, flash, circle_mask, rotating_cube, sdf_test, distort, moving_ellipse, particle_spray (2.7KB) V2 Effects Ported: - PassthroughEffectV2, PlaceholderEffectV2 - GaussianBlurEffectV2 (multi-pass with temp nodes) - HeptagonEffectV2 (scene effect with dummy texture) - ParticlesEffectV2 (compute + render, format fixed) - RotatingCubeEffectV2 (3D with depth node) - Hybrid3DEffectV2 (Renderer3D integration, dummy textures for noise/sky) Compiler Features: - DAG validation (cycle detection, connectivity checks) - Topological sort for execution order - Ping-pong optimization (aliased node detection) - Surface-based and encoder-based RenderV2Timeline generation - init_effect_nodes() automatic generation Fixes Applied: - WebGPU binding layout validation (standard v2 post-process layout) - Surface format mismatch (ctx.format for blit, RGBA8Unorm for framebuffers) - Depth attachment compatibility (removed forced depth from gpu_create_render_pass) - Renderer3D texture initialization (created dummy 1x1 white textures) - ParticlesEffectV2 format (changed from ctx.format to RGBA8Unorm) - Encoder-based RenderV2Timeline (added missing preprocess() call) Testing: - 34/36 tests passing (2 v1-dependent tests disabled) - demo64k runs successfully (no crashes) - All seek positions work (--seek 12, --seek 15 validated) Documentation: - Updated PROJECT_CONTEXT.md (v2 status, reference to SEQUENCE_v2.md) - Added completion entry to COMPLETED.md TODO (Future): - Port CNN effects to v2 - Implement flatten mode (--flatten code generation) - Port remaining 10+ effects - Update HTML timeline editor for v2 (deferred) handoff(Claude): Sequence v2 migration complete, v1 removed, system operational. Phase 5 (editor) deferred per user preference. Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
2 daysdocs: update CNN v1 references in top/mid-level docsskal
Updated remaining references to use CNNv1Effect naming: - doc/AUXILIARY_TEXTURE_INIT.md - doc/HOWTO.md (validation note) - doc/COMPLETED.md (2 references) All docs now consistently reference CNNv1Effect and cnn_v1_effect.cc
2 daysrefactor(cnn): rename cnn_effect to cnn_v1_effect for clarityskal
Renamed files and classes: - cnn_effect.{h,cc} → cnn_v1_effect.{h,cc} - CNNEffect → CNNv1Effect - CNNEffectParams → CNNv1EffectParams - CNNLayerParams → CNNv1LayerParams - CNN_EFFECT.md → CNN_V1_EFFECT.md Updated all references: - C++ includes and class usage - CMake source list - Timeline (workspaces/main/timeline.seq) - Test file (test_demo_effects.cc) - Documentation (CLAUDE.md, PROJECT_CONTEXT.md, READMEs) Tests: 34/34 passing (100%)
3 daysfix(cli): change --dump_wav to --dump-wav and add error handlingskal
- Update CLI parser to use --dump-wav (consistent with other options) - Add error message and exit for unrecognized options - Update documentation: HEADLESS_MODE.md, COMPLETED.md, FINAL_STRIP_REPORT.md Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
3 daysrefactor(wgsl): consolidate SDF shapes into single common fileskal
Merge sdf_primitives.wgsl into math/sdf_shapes.wgsl to eliminate duplication and establish single source of truth for all SDF functions. Changes: - Delete common/shaders/sdf_primitives.wgsl (duplicate of math/sdf_shapes.wgsl) - Add sdBox2D() and sdEllipse() to math/sdf_shapes.wgsl - Update ellipse.wgsl (main/test) to use #include "math/sdf_shapes" - Update scene1.wgsl to use math/sdf_shapes instead of sdf_primitives - Rename asset SHADER_SDF_PRIMITIVES → SHADER_SDF_SHAPES - Update shader registration and tests Impact: - ~60 lines eliminated from ellipse shaders - Single source for 3D primitives (sphere, box, torus, plane) and 2D (box, ellipse) - Consistent include path across codebase All tests passing (34/34). handoff(Claude): SDF shapes consolidated to math/sdf_shapes.wgsl Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
3 daysrefactor(wgsl): replace inline fullscreen_vs with common includeskal
Replace duplicate fullscreen triangle vertex shader code with #include "render/fullscreen_vs" in 8 workspace shaders. Eliminates ~60 lines of duplication and establishes single source of truth. Modified shaders: - circle_mask_compute.wgsl (main/test) - circle_mask_render.wgsl (main/test) - ellipse.wgsl (main/test) - gaussian_blur.wgsl (main/test) Updated test_shader_assets.cc to validate include directive instead of inline @vertex keyword for affected shaders. All tests passing (34/34). handoff(Claude): Shader modularization - fullscreen_vs consolidated Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
4 daysDocument CNN v2 training pipeline improvementsskal
- HOWTO.md: Document always-save-checkpoint behavior and --quiet flag - COMPLETED.md: Add milestone entry for Feb 14 CNN v2 fixes - Details: checkpoint saving, num_layers derivation, output streamlining Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
7 daysrefactor: Simplify effect render API and fix uniform initializationskal
Root cause: Uniform buffers created but not initialized before bind group creation, causing undefined UV coordinates in circle_mask_compute.wgsl. Changes: - Add get_common_uniforms() helper to Effect base class - Refactor render()/compute() signatures: 5 params → CommonPostProcessUniforms& - Fix uninitialized uniforms in CircleMaskEffect and CNNEffect - Update all 19 effect implementations and headers - Fix WGSL syntax error in FlashEffect (u.audio_intensity → audio_intensity) - Update test files (test_sequence.cc) Benefits: - Cleaner API: construct uniforms once per frame, reuse across effects - More maintainable: CommonPostProcessUniforms changes need no call site updates - Fixes UV coordinate bug in circle_mask_compute.wgsl All 36 tests passing (100%) handoff(Claude): Effect API refactor complete
7 daysfeat: Add CNN shader testing tool with GPU texture readbackskal
Core GPU Utility (texture_readback): - Reusable synchronous texture-to-CPU readback (~150 lines) - STRIP_ALL guards (0 bytes in release builds) - Handles COPY_BYTES_PER_ROW_ALIGNMENT (256-byte alignment) - Refactored OffscreenRenderTarget to use new utility CNN Test Tool (cnn_test): - Standalone PNG→3-layer CNN→PNG/PPM tool (~450 lines) - --blend parameter (0.0-1.0) for final layer mixing - --format option (png/ppm) for output format - ShaderComposer integration for include resolution Build Integration: - Added texture_readback.cc to GPU_SOURCES (both sections) - Tool target with STB_IMAGE support Testing: - All 36 tests pass (100%) - Processes 64×64 and 555×370 images successfully - Ground-truth validation setup complete Known Issues: - BUG: Tool produces black output (uninitialized input texture) - First intermediate texture not initialized before layer loop - MSE 64860 vs Python ground truth (expected <10) - Fix required: Copy input to intermediate[0] before processing Documentation: - doc/CNN_TEST_TOOL.md - Full technical reference - Updated PROJECT_CONTEXT.md and COMPLETED.md handoff(Claude): CNN test tool foundation complete, needs input init bugfix Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
7 daysdocs: Document WGPU builder refactoring in COMPLETED.mdskal
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
8 daysdocs: Update docs for Task #76 size measurementskal
- Add size measurement section to HOWTO.md - Move Task #76 to COMPLETED.md - Update TODO.md and PROJECT_CONTEXT.md - Document measurement results (Demo=4.4MB, External=2.0MB)
8 daysdocs: Archive Feb 9 completed tasks and clarify build configsskal
- Move completed tasks (Uniform alignment, WGSL validation, test_demo fix) to COMPLETED.md - Clean up TODO.md and PROJECT_CONTEXT.md "Recently Completed" sections - Update HOWTO.md to clarify DEMO_ALL_OPTIONS enables STRIP_ALL - Note: test_demo PeakMeterEffect requires non-STRIP build Net: -26 lines (better context hygiene) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
9 daysdocs: Archive historical documentation (26 files → doc/archive/)skal
Moved completed/historical docs to doc/archive/ for cleaner context: Archived (26 files): - Analysis docs: variable tempo, audio architecture, build optimization - Handoff docs: 6 agent handoff documents - Debug reports: shadows, peak meter, timing fixes - Task summaries and planning docs Kept (16 files): - Essential: AI_RULES, HOWTO, CONTRIBUTING, CONTEXT_MAINTENANCE - Active subsystems: 3D, ASSET_SYSTEM, TRACKER, SEQUENCE - Current work: MASKING_SYSTEM, SPECTRAL_BRUSH_EDITOR Updated COMPLETED.md with archive index for easy reference.
9 daysupdate docskal
9 dayschore: Clean up generated files and archive GPU test analysisskal
- Remove src/generated/ directory and update .gitignore. - Archive detailed GPU effects test analysis into doc/COMPLETED.md. - Update doc/GPU_EFFECTS_TEST_ANALYSIS.md to reflect completion and point to archive. - Stage modifications made to audio tracker, main, and test demo files.
10 daysdocs: Archive completed tasks and streamline context filesskal
10 daysfeat(3d): Fix ObjectType::PLANE scaling and consolidate ObjectType mappingskal
- Implemented correct scaling for planes in both CPU (physics) and GPU (shaders) using the normal-axis scale factor. - Consolidated ObjectType to type_id mapping in Renderer3D to ensure consistency and support for CUBE. - Fixed overestimation of distance for non-uniformly scaled ground planes, which caused missing shadows. - Updated documentation and marked Task A.2 as completed.
10 daysfeat(3d): Implement Mesh Wireframe rendering for Visual Debugskal
10 daysdocs: Mark Task #39 as completeskal
10 daysdocs: Reorganize documentation with tiered hierarchy for context optimizationskal
Major documentation reorganization to reduce AI agent context size by ~58% and establish sustainable maintenance practices. ## File Moves (Root → doc/) - Move COMPLETED.md (new), HANDOFF*.md, *_ANALYSIS.md, *_SUMMARY.md to doc/ - Keep only 5 essential files in root: CLAUDE.md, GEMINI.md, PROJECT_CONTEXT.md, TODO.md, README.md - Result: Clean root directory with clear project essentials ## New Documentation - doc/CONTEXT_MAINTENANCE.md: Comprehensive guide for keeping context clean - 4-tier hierarchy (Critical/Technical/Design/Archive) - Maintenance schedules (after milestones, monthly, on-demand) - Size targets, red flags, workflows - Monthly checklist template - doc/COMPLETED.md: Historical archive of completed milestones - Moved "Recently Completed" sections from TODO.md and PROJECT_CONTEXT.md - Detailed completion history (February 4-7, 2026) - Frees up ~200 lines from active context ## Agent Config Updates - CLAUDE.md: Restructured with 4-tier hierarchy - Tier 1: Critical (always loaded) - 3 files - Tier 2: Technical (always loaded) - 3 files - Tier 3: Design (on-demand) - 9 files - Tier 4: Archive (rarely) - 10 files - Clear usage instructions for on-demand loading - GEMINI.md: Same tier structure + Gemini-specific state snapshot - Consistent with CLAUDE.md hierarchy - Preserved agent-specific context ## Content Optimization - PROJECT_CONTEXT.md: Removed verbose milestones (~160 lines) - Replaced with concise "Current Status" summary - Points to COMPLETED.md for history - TODO.md: Removed Task #51 detailed plan (~200 lines) - Marked Task #51 as completed - Kept only active/next tasks ## Impact - Context size: 70K → 29K tokens (58% reduction) - Root directory: 15 → 5 files (67% cleaner) - Tier 1-2 files: 7,329 words (well under 10K target) - Documented maintenance process for sustainability ## Files Changed Modified: CLAUDE.md, GEMINI.md, PROJECT_CONTEXT.md, TODO.md New: doc/COMPLETED.md, doc/CONTEXT_MAINTENANCE.md Moved: 10 technical docs from root to doc/
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