From a65fb50464b56dbdcc58c4a744ba040027205d01 Mon Sep 17 00:00:00 2001 From: David Gwilliam Date: Wed, 18 Mar 2026 00:19:21 -0700 Subject: [PATCH] chore: remove deprecated docs and add skills library docs - Delete LEGACY_CLEANUP_CHECKLIST.md, LEGACY_CODE_ANALYSIS.md, LEGACY_CODE_INDEX.md, SESSION_SUMMARY.md (superseded by wiki) - Add Skills Library section to AGENTS.md documenting MCP skills - Add uv to mise.toml tool versions --- AGENTS.md | 192 ++++++++++++ docs/LEGACY_CLEANUP_CHECKLIST.md | 239 --------------- docs/LEGACY_CODE_ANALYSIS.md | 286 ------------------ docs/LEGACY_CODE_INDEX.md | 153 ---------- docs/SESSION_SUMMARY.md | 501 ------------------------------- mise.toml | 1 + 6 files changed, 193 insertions(+), 1179 deletions(-) delete mode 100644 docs/LEGACY_CLEANUP_CHECKLIST.md delete mode 100644 docs/LEGACY_CODE_ANALYSIS.md delete mode 100644 docs/LEGACY_CODE_INDEX.md delete mode 100644 docs/SESSION_SUMMARY.md diff --git a/AGENTS.md b/AGENTS.md index ace4971..94140b0 100644 --- a/AGENTS.md +++ b/AGENTS.md @@ -219,3 +219,195 @@ Key files: - `engine/effects/types.py` - EffectPlugin ABC and dataclasses - `engine/display/backends/` - Display backend implementations - `engine/eventbus.py` - Thread-safe event system +======= +## Testing + +Tests live in `tests/` and follow the pattern `test_*.py`. + +Run all tests: +```bash +mise run test +``` + +Run with coverage: +```bash +mise run test-cov +``` + +The project uses pytest with strict marker enforcement. Test configuration is in `pyproject.toml` under `[tool.pytest.ini_options]`. + +### Test Coverage Strategy + +Current coverage: 56% (463 tests) + +Key areas with lower coverage (acceptable for now): +- **app.py** (8%): Main entry point - integration heavy, requires terminal +- **scroll.py** (10%): Terminal-dependent rendering logic (unused) + +Key areas with good coverage: +- **display/backends/null.py** (95%): Easy to test headlessly +- **display/backends/terminal.py** (96%): Uses mocking +- **display/backends/multi.py** (100%): Simple forwarding logic +- **effects/performance.py** (99%): Pure Python logic +- **eventbus.py** (96%): Simple event system +- **effects/controller.py** (95%): Effects command handling + +Areas needing more tests: +- **websocket.py** (48%): Network I/O, hard to test in CI +- **ntfy.py** (50%): Network I/O, hard to test in CI +- **mic.py** (61%): Audio I/O, hard to test in CI + +Note: Terminal-dependent modules (scroll, layers render) are harder to test in CI. +Performance regression tests are in `tests/test_benchmark.py` with `@pytest.mark.benchmark`. + +## Architecture Notes + +- **ntfy.py** - standalone notification poller with zero internal dependencies +- **sensors/** - Sensor framework (MicSensor, OscillatorSensor) for real-time input +- **eventbus.py** provides thread-safe event publishing for decoupled communication +- **effects/** - plugin architecture with performance monitoring +- The new pipeline architecture: source → render → effects → display + +#### Canvas & Camera + +- **Canvas** (`engine/canvas.py`): 2D rendering surface with dirty region tracking +- **Camera** (`engine/camera.py`): Viewport controller for scrolling content + +The Canvas tracks dirty regions automatically when content is written (via `put_region`, `put_text`, `fill`), enabling partial buffer updates for optimized effect processing. + +### Pipeline Architecture + +The new Stage-based pipeline architecture provides capability-based dependency resolution: + +- **Stage** (`engine/pipeline/core.py`): Base class for pipeline stages +- **Pipeline** (`engine/pipeline/controller.py`): Executes stages with capability-based dependency resolution +- **StageRegistry** (`engine/pipeline/registry.py`): Discovers and registers stages +- **Stage Adapters** (`engine/pipeline/adapters.py`): Wraps existing components as stages + +#### Capability-Based Dependencies + +Stages declare capabilities (what they provide) and dependencies (what they need). The Pipeline resolves dependencies using prefix matching: +- `"source"` matches `"source.headlines"`, `"source.poetry"`, etc. +- This allows flexible composition without hardcoding specific stage names + +#### Sensor Framework + +- **Sensor** (`engine/sensors/__init__.py`): Base class for real-time input sensors +- **SensorRegistry**: Discovers available sensors +- **SensorStage**: Pipeline adapter that provides sensor values to effects +- **MicSensor** (`engine/sensors/mic.py`): Self-contained microphone input +- **OscillatorSensor** (`engine/sensors/oscillator.py`): Test sensor for development +- **PipelineMetricsSensor** (`engine/sensors/pipeline_metrics.py`): Exposes pipeline metrics as sensor values + +Sensors support param bindings to drive effect parameters in real-time. + +#### Pipeline Introspection + +- **PipelineIntrospectionSource** (`engine/data_sources/pipeline_introspection.py`): Renders live ASCII visualization of pipeline DAG with metrics +- **PipelineIntrospectionDemo** (`engine/pipeline/pipeline_introspection_demo.py`): 3-phase demo controller for effect animation + +Preset: `pipeline-inspect` - Live pipeline introspection with DAG and performance metrics + +#### Partial Update Support + +Effect plugins can opt-in to partial buffer updates for performance optimization: +- Set `supports_partial_updates = True` on the effect class +- Implement `process_partial(buf, ctx, partial)` method +- The `PartialUpdate` dataclass indicates which regions changed + +### Preset System + +Presets use TOML format (no external dependencies): + +- Built-in: `engine/presets.toml` +- User config: `~/.config/mainline/presets.toml` +- Local override: `./presets.toml` + +- **Preset loader** (`engine/pipeline/preset_loader.py`): Loads and validates presets +- **PipelinePreset** (`engine/pipeline/presets.py`): Dataclass for preset configuration + +Functions: +- `validate_preset()` - Validate preset structure +- `validate_signal_path()` - Detect circular dependencies +- `generate_preset_toml()` - Generate skeleton preset + +### Display System + +- **Display abstraction** (`engine/display/`): swap display backends via the Display protocol + - `display/backends/terminal.py` - ANSI terminal output + - `display/backends/websocket.py` - broadcasts to web clients via WebSocket + - `display/backends/sixel.py` - renders to Sixel graphics (pure Python, no C dependency) + - `display/backends/null.py` - headless display for testing + - `display/backends/multi.py` - forwards to multiple displays simultaneously + - `display/__init__.py` - DisplayRegistry for backend discovery + +- **WebSocket display** (`engine/display/backends/websocket.py`): real-time frame broadcasting to web browsers + - WebSocket server on port 8765 + - HTTP server on port 8766 (serves HTML client) + - Client at `client/index.html` with ANSI color parsing and fullscreen support + +- **Display modes** (`--display` flag): + - `terminal` - Default ANSI terminal output + - `websocket` - Web browser display (requires websockets package) + - `sixel` - Sixel graphics in supported terminals (iTerm2, mintty, etc.) + - `both` - Terminal + WebSocket simultaneously + +### Effect Plugin System + +- **EffectPlugin ABC** (`engine/effects/types.py`): abstract base class for effects + - All effects must inherit from EffectPlugin and implement `process()` and `configure()` + - Runtime discovery via `effects_plugins/__init__.py` using `issubclass()` checks + +- **EffectRegistry** (`engine/effects/registry.py`): manages registered effects +- **EffectChain** (`engine/effects/chain.py`): chains effects in pipeline order + +### Command & Control + +- C&C uses separate ntfy topics for commands and responses +- `NTFY_CC_CMD_TOPIC` - commands from cmdline.py +- `NTFY_CC_RESP_TOPIC` - responses back to cmdline.py +- Effects controller handles `/effects` commands (list, on/off, intensity, reorder, stats) + +### Pipeline Documentation + +The rendering pipeline is documented in `docs/PIPELINE.md` using Mermaid diagrams. + +**IMPORTANT**: When making significant architectural changes to the rendering pipeline (new layers, effects, display backends), update `docs/PIPELINE.md` to reflect the changes: +1. Edit `docs/PIPELINE.md` with the new architecture +2. If adding new SVG diagrams, render them manually using an external tool (e.g., Mermaid Live Editor) +3. Commit both the markdown and any new diagram files + +## Skills Library + +A skills library MCP server (`skills`) is available for capturing and tracking learned knowledge. Skills are stored in `~/.skills/`. + +### Workflow + +**Before starting work:** +1. Run `skills_list_skills` to see available skills +2. Use `skills_peek_skill({name: "skill-name"})` to preview relevant skills +3. Use `skills_skill_slice({name: "skill-name", query: "your question"})` to get relevant sections + +**While working:** +- If a skill was wrong or incomplete: `skills_update_skill` → `skills_record_assessment` → `skills_report_outcome({quality: 1})` +- If a skill worked correctly: `skills_report_outcome({quality: 4})` (normal) or `quality: 5` (perfect) + +**End of session:** +- Run `skills_reflect_on_session({context_summary: "what you did"})` to identify new skills to capture +- Use `skills_create_skill` to add new skills +- Use `skills_record_assessment` to score them + +### Useful Tools +- `skills_review_stale_skills()` - Skills due for review (negative days_until_due) +- `skills_skills_report()` - Overview of entire collection +- `skills_validate_skill({name: "skill-name"})` - Load skill for review with sources + +### Agent Skills + +This project also has Agent Skills (SKILL.md files) in `.opencode/skills/`. Use the `skill` tool to load them: +- `skill({name: "mainline-architecture"})` - Pipeline stages, capability resolution +- `skill({name: "mainline-effects"})` - How to add new effect plugins +- `skill({name: "mainline-display"})` - Display backend implementation +- `skill({name: "mainline-sources"})` - Adding new RSS feeds +- `skill({name: "mainline-presets"})` - Creating pipeline presets +- `skill({name: "mainline-sensors"})` - Sensor framework usage diff --git a/docs/LEGACY_CLEANUP_CHECKLIST.md b/docs/LEGACY_CLEANUP_CHECKLIST.md deleted file mode 100644 index a08b162..0000000 --- a/docs/LEGACY_CLEANUP_CHECKLIST.md +++ /dev/null @@ -1,239 +0,0 @@ -# Legacy Code Cleanup - Actionable Checklist - -## Phase 1: Safe Removals (0 Risk, Run Immediately) - -These modules have ZERO dependencies and can be removed without any testing: - -### Files to Delete - -```bash -# Core modules (402 lines total) -rm /home/dietpi/src/Mainline/engine/emitters.py (25 lines) -rm /home/dietpi/src/Mainline/engine/beautiful_mermaid.py (4107 lines) -rm /home/dietpi/src/Mainline/engine/pipeline_viz.py (364 lines) - -# Test files (2145 bytes) -rm /home/dietpi/src/Mainline/tests/test_emitters.py - -# Configuration/cleanup -# Remove from pipeline.py: introspect_pipeline_viz() method calls -# Remove from pipeline.py: introspect_animation() references to pipeline_viz -``` - -### Verification Commands - -```bash -# Verify emitters.py has zero references -grep -r "from engine.emitters\|import.*emitters" /home/dietpi/src/Mainline --include="*.py" | grep -v "__pycache__" | grep -v ".venv" -# Expected: NO RESULTS - -# Verify beautiful_mermaid.py only used by pipeline_viz -grep -r "beautiful_mermaid" /home/dietpi/src/Mainline --include="*.py" | grep -v "__pycache__" | grep -v ".venv" -# Expected: Only one match in pipeline_viz.py - -# Verify pipeline_viz.py has zero real usage -grep -r "pipeline_viz\|CameraLarge\|PipelineIntrospection" /home/dietpi/src/Mainline --include="*.py" | grep -v "__pycache__" | grep -v ".venv" | grep -v "engine/pipeline_viz.py" -# Expected: Only references in pipeline.py's introspection method -``` - -### After Deletion - Cleanup Steps - -1. Remove these lines from `engine/pipeline.py`: - -```python -# Remove method: introspect_pipeline_viz() (entire method) -def introspect_pipeline_viz(self) -> None: - # ... remove this entire method ... - pass - -# Remove method call from introspect(): -self.introspect_pipeline_viz() - -# Remove import line: -elif "pipeline_viz" in node.module or "CameraLarge" in node.name: -``` - -2. Update imports in `engine/pipeline/__init__.py` if pipeline_viz is exported - -3. Run test suite to verify: -```bash -mise run test -``` - ---- - -## Phase 2: Audit Required - -### Action Items - -#### 2.1 Pygame Backend Check - -```bash -# Find all preset definitions -grep -r "display.*=.*['\"]pygame" /home/dietpi/src/Mainline --include="*.py" --include="*.toml" - -# Search preset files -grep -r "display.*pygame" /home/dietpi/src/Mainline/engine/presets.toml -grep -r "pygame" /home/dietpi/src/Mainline/presets.toml - -# If NO results: Safe to remove -rm /home/dietpi/src/Mainline/engine/display/backends/pygame.py -# And remove from DisplayRegistry.__init__: cls.register("pygame", PygameDisplay) -# And remove import: from engine.display.backends.pygame import PygameDisplay - -# If results exist: Keep the backend -``` - -#### 2.2 Kitty Backend Check - -```bash -# Find all preset definitions -grep -r "display.*=.*['\"]kitty" /home/dietpi/src/Mainline --include="*.py" --include="*.toml" - -# Search preset files -grep -r "display.*kitty" /home/dietpi/src/Mainline/engine/presets.toml -grep -r "kitty" /home/dietpi/src/Mainline/presets.toml - -# If NO results: Safe to remove -rm /home/dietpi/src/Mainline/engine/display/backends/kitty.py -# And remove from DisplayRegistry.__init__: cls.register("kitty", KittyDisplay) -# And remove import: from engine.display.backends.kitty import KittyDisplay - -# If results exist: Keep the backend -``` - -#### 2.3 Animation Module Check - -```bash -# Search for actual usage of AnimationController, create_demo_preset, create_pipeline_preset -grep -r "AnimationController\|create_demo_preset\|create_pipeline_preset" /home/dietpi/src/Mainline --include="*.py" | grep -v "animation.py" | grep -v "test_" | grep -v ".venv" - -# If NO results: Safe to remove -rm /home/dietpi/src/Mainline/engine/animation.py - -# If results exist: Keep the module -``` - ---- - -## Phase 3: Known Future Removals (Don't Remove Yet) - -These modules are marked deprecated and still in use. Plan to remove after their clients are migrated: - -### Schedule for Removal - -#### After scroll.py clients migrated: -```bash -rm /home/dietpi/src/Mainline/engine/scroll.py -``` - -#### Consolidate legacy modules: -```bash -# After render.py functions are no longer called from adapters: -# Move render.py to engine/legacy/render.py -# Consolidate render.py with effects/legacy.py - -# After layers.py functions are no longer called: -# Move layers.py to engine/legacy/layers.py -# Move effects/legacy.py functions alongside -``` - -#### After legacy adapters are phased out: -```bash -rm /home/dietpi/src/Mainline/engine/pipeline/adapters.py (or move to legacy) -``` - ---- - -## How to Verify Changes - -After making changes, run: - -```bash -# Run full test suite -mise run test - -# Run with coverage -mise run test-cov - -# Run linter -mise run lint - -# Check for import errors -python3 -c "import engine.app; print('OK')" -``` - ---- - -## Summary of File Changes - -### Phase 1 Deletions (Safe) - -| File | Lines | Purpose | Verify With | -|------|-------|---------|------------| -| engine/emitters.py | 25 | Unused protocols | `grep -r emitters` | -| engine/beautiful_mermaid.py | 4107 | Unused diagram renderer | `grep -r beautiful_mermaid` | -| engine/pipeline_viz.py | 364 | Unused visualization | `grep -r pipeline_viz` | -| tests/test_emitters.py | 2145 bytes | Tests for emitters | Auto-removed with module | - -### Phase 2 Conditional - -| File | Size | Condition | Action | -|------|------|-----------|--------| -| engine/display/backends/pygame.py | 9185 | If not in presets | Delete or keep | -| engine/display/backends/kitty.py | 5305 | If not in presets | Delete or keep | -| engine/animation.py | 340 | If not used | Safe to delete | - -### Phase 3 Future - -| File | Lines | When | Action | -|------|-------|------|--------| -| engine/scroll.py | 156 | Deprecated | Plan removal | -| engine/render.py | 274 | Still used | Consolidate later | -| engine/layers.py | 272 | Still used | Consolidate later | - ---- - -## Testing After Cleanup - -1. **Unit Tests**: `mise run test` -2. **Coverage Report**: `mise run test-cov` -3. **Linting**: `mise run lint` -4. **Manual Testing**: `mise run run` (run app in various presets) - -### Expected Test Results After Phase 1 - -- No new test failures -- test_emitters.py collection skipped (module removed) -- All other tests pass -- No import errors - ---- - -## Rollback Plan - -If issues arise after deletion: - -```bash -# Check git status -git status - -# Revert specific deletions -git restore engine/emitters.py -git restore engine/beautiful_mermaid.py -# etc. - -# Or full rollback -git checkout HEAD -- engine/ -git checkout HEAD -- tests/ -``` - ---- - -## Notes - -- All Phase 1 deletions are verified to have ZERO usage -- Phase 2 requires checking presets (can be done via grep) -- Phase 3 items are actively used but marked for future removal -- Keep test files synchronized with module deletions -- Update AGENTS.md after Phase 1 completion diff --git a/docs/LEGACY_CODE_ANALYSIS.md b/docs/LEGACY_CODE_ANALYSIS.md deleted file mode 100644 index 4dc7619..0000000 --- a/docs/LEGACY_CODE_ANALYSIS.md +++ /dev/null @@ -1,286 +0,0 @@ -# Legacy & Dead Code Analysis - Mainline Codebase - -## Executive Summary - -The codebase contains **702 lines** of clearly marked legacy code spread across **4 main modules**, plus several candidate modules that may be unused. The legacy code primarily relates to the old rendering pipeline that has been superseded by the new Stage-based pipeline architecture. - ---- - -## 1. MARKED DEPRECATED MODULES (Should Remove/Refactor) - -### 1.1 `engine/scroll.py` (156 lines) -- **Status**: DEPRECATED - Marked with deprecation notice -- **Why**: Legacy rendering/orchestration code replaced by pipeline architecture -- **Usage**: Used by legacy demo mode via scroll.stream() -- **Dependencies**: - - Imports: camera, display, layers, viewport, frame - - Used by: scroll.py is only imported in tests and demo mode -- **Risk**: LOW - Clean deprecation boundary -- **Recommendation**: **SAFE TO REMOVE** - - This is the main rendering loop orchestrator for the old system - - All new code uses the Pipeline architecture - - Demo mode is transitioning to pipeline presets - - Consider keeping test_layers.py for testing layer functions - -### 1.2 `engine/render.py` (274 lines) -- **Status**: DEPRECATED - Marked with deprecation notice -- **Why**: Legacy rendering code for font loading, text rasterization, gradient coloring -- **Contains**: - - `render_line()` - Renders text to terminal half-blocks using PIL - - `big_wrap()` - Word-wrap text fitting - - `lr_gradient()` - Left-to-right color gradients - - `make_block()` - Assembles headline blocks -- **Usage**: - - layers.py imports: big_wrap, lr_gradient, lr_gradient_opposite - - scroll.py conditionally imports make_block - - adapters.py uses make_block - - test_render.py tests these functions -- **Risk**: MEDIUM - Used by legacy adapters and layers -- **Recommendation**: **KEEP FOR NOW** - - These functions are still used by adapters for legacy support - - Could be moved to legacy submodule if cleanup needed - - Consider marking functions individually as deprecated - -### 1.3 `engine/layers.py` (272 lines) -- **Status**: DEPRECATED - Marked with deprecation notice -- **Why**: Legacy rendering layer logic for effects, overlays, firehose -- **Contains**: - - `render_ticker_zone()` - Renders ticker content - - `render_firehose()` - Renders firehose effect - - `render_message_overlay()` - Renders messages - - `apply_glitch()` - Applies glitch effect - - `process_effects()` - Legacy effect chain - - `get_effect_chain()` - Access to legacy effect chain -- **Usage**: - - scroll.py imports multiple functions - - effects/controller.py imports get_effect_chain as fallback - - effects/__init__.py imports get_effect_chain as fallback - - adapters.py imports render_firehose, render_ticker_zone - - test_layers.py tests these functions -- **Risk**: MEDIUM - Used as fallback in effects system -- **Recommendation**: **KEEP FOR NOW** - - Legacy effects system relies on this as fallback - - Used by adapters for backwards compatibility - - Mark individual functions as deprecated - -### 1.4 `engine/animation.py` (340 lines) -- **Status**: UNDEPRECATED but largely UNUSED -- **Why**: Animation system with Clock, AnimationController, Preset classes -- **Contains**: - - Clock - High-resolution timer - - AnimationController - Manages timed events and parameters - - Preset - Bundles pipeline config + animation - - Helper functions: create_demo_preset(), create_pipeline_preset() - - Easing functions: linear_ease, ease_in_out, ease_out_bounce -- **Usage**: - - Documentation refers to it in pipeline.py docstrings - - introspect_animation() method exists but generates no actual content - - No actual imports of AnimationController found outside animation.py itself - - Demo presets in animation.py are never called - - PipelineParams dataclass is defined here but animation system never used -- **Risk**: LOW - Isolated module with no real callers -- **Recommendation**: **CONSIDER REMOVING** - - This appears to be abandoned experimental code - - The pipeline system doesn't actually use animation controllers - - If animation is needed in future, should be redesigned - - Safe to remove without affecting current functionality - ---- - -## 2. COMPLETELY UNUSED MODULES (Safe to Remove) - -### 2.1 `engine/emitters.py` (25 lines) -- **Status**: UNUSED - Protocol definitions only -- **Contains**: Three Protocol classes: - - EventEmitter - Define subscribe/unsubscribe interface - - Startable - Define start() interface - - Stoppable - Define stop() interface -- **Usage**: ZERO references found in codebase -- **Risk**: NONE - Dead code -- **Recommendation**: **SAFE TO REMOVE** - - Protocol definitions are not used anywhere - - EventBus uses its own implementation, doesn't inherit from these - -### 2.2 `engine/beautiful_mermaid.py` (4107 lines!) -- **Status**: UNUSED - Large ASCII renderer for Mermaid diagrams -- **Why**: Pure Python Mermaid → ASCII renderer (ported from TypeScript) -- **Usage**: - - Only imported in pipeline_viz.py - - pipeline_viz.py is not imported anywhere in codebase - - Never called in production code -- **Risk**: NONE - Dead code -- **Recommendation**: **SAFE TO REMOVE** - - Huge module (4000+ lines) with zero real usage - - Only used by experimental pipeline_viz which itself is unused - - Consider keeping as optional visualization tool if needed later - -### 2.3 `engine/pipeline_viz.py` (364 lines) -- **Status**: UNUSED - Pipeline visualization module -- **Contains**: CameraLarge camera mode for pipeline visualization -- **Usage**: - - Only referenced in pipeline.py's introspect_pipeline_viz() method - - This introspection method generates no actual output - - Never instantiated or called in real code -- **Risk**: NONE - Experimental dead code -- **Recommendation**: **SAFE TO REMOVE** - - Depends on beautiful_mermaid which is also unused - - Remove together with beautiful_mermaid - ---- - -## 3. UNUSED DISPLAY BACKENDS (Lower Priority) - -These backends are registered in DisplayRegistry but may not be actively used: - -### 3.1 `engine/display/backends/pygame.py` (9185 bytes) -- **Status**: REGISTERED but potentially UNUSED -- **Usage**: Registered in DisplayRegistry -- **Last used in**: Demo mode (may have been replaced) -- **Risk**: LOW - Backend system is pluggable -- **Recommendation**: CHECK USAGE - - Verify if any presets use "pygame" display - - If not used, can remove - - Otherwise keep as optional backend - -### 3.2 `engine/display/backends/kitty.py` (5305 bytes) -- **Status**: REGISTERED but potentially UNUSED -- **Usage**: Registered in DisplayRegistry -- **Last used in**: Kitty terminal graphics protocol -- **Risk**: LOW - Backend system is pluggable -- **Recommendation**: CHECK USAGE - - Verify if any presets use "kitty" display - - If not used, can remove - - Otherwise keep as optional backend - -### 3.3 `engine/display/backends/multi.py` (1137 bytes) -- **Status**: REGISTERED and likely USED -- **Usage**: MultiDisplay for simultaneous output -- **Risk**: LOW - Simple wrapper -- **Recommendation**: KEEP - ---- - -## 4. TEST FILES THAT MAY BE OBSOLETE - -### 4.1 `tests/test_emitters.py` (2145 bytes) -- **Status**: ORPHANED -- **Why**: Tests for unused emitters protocols -- **Recommendation**: **SAFE TO REMOVE** - - Remove with engine/emitters.py - -### 4.2 `tests/test_render.py` (7628 bytes) -- **Status**: POTENTIALLY USEFUL -- **Why**: Tests for legacy render functions still used by adapters -- **Recommendation**: **KEEP FOR NOW** - - Keep while render.py functions are used - -### 4.3 `tests/test_layers.py` (3717 bytes) -- **Status**: POTENTIALLY USEFUL -- **Why**: Tests for legacy layer functions -- **Recommendation**: **KEEP FOR NOW** - - Keep while layers.py functions are used - ---- - -## 5. QUESTIONABLE PATTERNS & TECHNICAL DEBT - -### 5.1 Legacy Effect Chain Fallback -**Location**: `effects/controller.py`, `effects/__init__.py` - -```python -# Fallback to legacy effect chain if no new effects available -try: - from engine.layers import get_effect_chain as _chain -except ImportError: - _chain = None -``` - -**Issue**: Dual effect system with implicit fallback -**Recommendation**: Document or remove fallback path if not actually used - -### 5.2 Deprecated ItemsStage Bootstrap -**Location**: `pipeline/adapters.py` line 356-365 - -```python -@deprecated("ItemsStage is deprecated. Use DataSourceStage with a DataSource instead.") -class ItemsStage(Stage): - """Deprecated bootstrap mechanism.""" -``` - -**Issue**: Marked deprecated but still registered and potentially used -**Recommendation**: Audit usage and remove if not needed - -### 5.3 Legacy Tuple Conversion Methods -**Location**: `engine/types.py` - -```python -def to_legacy_tuple(self) -> tuple[list[tuple], int, int]: - """Convert to legacy tuple format for backward compatibility.""" -``` - -**Issue**: Backward compatibility layer that may not be needed -**Recommendation**: Check if actually used by legacy code - -### 5.4 Frame Module (Minimal Usage) -**Location**: `engine/frame.py` - -**Status**: Appears minimal and possibly legacy -**Recommendation**: Check what's actually using it - ---- - -## SUMMARY TABLE - -| Module | LOC | Status | Risk | Action | -|--------|-----|--------|------|--------| -| scroll.py | 156 | **REMOVE** | LOW | Delete - fully deprecated | -| emitters.py | 25 | **REMOVE** | NONE | Delete - zero usage | -| beautiful_mermaid.py | 4107 | **REMOVE** | NONE | Delete - zero usage | -| pipeline_viz.py | 364 | **REMOVE** | NONE | Delete - zero usage | -| animation.py | 340 | CONSIDER | LOW | Remove if not planned | -| render.py | 274 | KEEP | MEDIUM | Still used by adapters | -| layers.py | 272 | KEEP | MEDIUM | Still used by adapters | -| pygame backend | 9185 | AUDIT | LOW | Check if used | -| kitty backend | 5305 | AUDIT | LOW | Check if used | -| test_emitters.py | 2145 | **REMOVE** | NONE | Delete with emitters.py | - ---- - -## RECOMMENDED CLEANUP STRATEGY - -### Phase 1: Safe Removals (No Dependencies) -1. Delete `engine/emitters.py` -2. Delete `tests/test_emitters.py` -3. Delete `engine/beautiful_mermaid.py` -4. Delete `engine/pipeline_viz.py` -5. Clean up related deprecation code in `pipeline.py` - -**Impact**: ~4500 lines of dead code removed -**Risk**: NONE - verified zero usage - -### Phase 2: Conditional Removals (Audit Required) -1. Verify pygame and kitty backends are not used in any preset -2. If unused, remove from DisplayRegistry and delete files -3. Consider removing `engine/animation.py` if animation features not planned - -### Phase 3: Legacy Module Migration (Future) -1. Move render.py functions to legacy submodule if scroll.py is removed -2. Consolidate layers.py with legacy effects -3. Keep test files until legacy adapters are phased out -4. Deprecate legacy adapters in favor of new pipeline stages - -### Phase 4: Documentation -1. Update AGENTS.md to document removal of legacy modules -2. Document which adapters are for backwards compatibility -3. Add migration guide for teams using old scroll API - ---- - -## KEY METRICS - -- **Total Dead Code Lines**: ~9000+ lines -- **Safe to Remove Immediately**: ~4500 lines -- **Conditional Removals**: ~10000+ lines (if backends/animation unused) -- **Legacy But Needed**: ~700 lines (render.py + layers.py) -- **Test Files for Dead Code**: ~2100 lines - diff --git a/docs/LEGACY_CODE_INDEX.md b/docs/LEGACY_CODE_INDEX.md deleted file mode 100644 index f861cf4..0000000 --- a/docs/LEGACY_CODE_INDEX.md +++ /dev/null @@ -1,153 +0,0 @@ -# Legacy Code Analysis - Document Index - -This directory contains comprehensive analysis of legacy and dead code in the Mainline codebase. - -## Quick Start - -**Start here:** [LEGACY_CLEANUP_CHECKLIST.md](./LEGACY_CLEANUP_CHECKLIST.md) - -This document provides step-by-step instructions for removing dead code in three phases: -- **Phase 1**: Safe removals (~4,500 lines, zero risk) -- **Phase 2**: Audit required (~14,000 lines) -- **Phase 3**: Future migration plan - -## Available Documents - -### 1. LEGACY_CLEANUP_CHECKLIST.md (Action-Oriented) -**Purpose**: Step-by-step cleanup procedures with verification commands - -**Contains**: -- Phase 1: Safe deletions with verification commands -- Phase 2: Audit procedures for display backends -- Phase 3: Future removal planning -- Testing procedures after cleanup -- Rollback procedures - -**Start reading if you want to**: Execute cleanup immediately - -### 2. LEGACY_CODE_ANALYSIS.md (Detailed Technical) -**Purpose**: Comprehensive technical analysis with risk assessments - -**Contains**: -- Executive summary -- Marked deprecated modules (scroll.py, render.py, layers.py) -- Completely unused modules (emitters.py, beautiful_mermaid.py, pipeline_viz.py) -- Unused display backends -- Test file analysis -- Technical debt patterns -- Cleanup strategy across 4 phases -- Key metrics and statistics - -**Start reading if you want to**: Understand the technical details - -## Key Findings Summary - -### Dead Code Identified: ~9,000 lines - -#### Category 1: UNUSED (Safe to delete immediately) -- **engine/emitters.py** (25 lines) - Unused Protocol definitions -- **engine/beautiful_mermaid.py** (4,107 lines) - Unused Mermaid ASCII renderer -- **engine/pipeline_viz.py** (364 lines) - Unused visualization module -- **tests/test_emitters.py** - Orphaned test file - -**Total**: ~4,500 lines with ZERO risk - -#### Category 2: DEPRECATED BUT ACTIVE (Keep for now) -- **engine/scroll.py** (156 lines) - Legacy rendering orchestration -- **engine/render.py** (274 lines) - Legacy font/gradient rendering -- **engine/layers.py** (272 lines) - Legacy layer/effect rendering - -**Total**: ~700 lines (still used for backwards compatibility) - -#### Category 3: QUESTIONABLE (Consider removing) -- **engine/animation.py** (340 lines) - Unused animation system - -**Total**: ~340 lines (abandoned experimental code) - -#### Category 4: POTENTIALLY UNUSED (Requires audit) -- **engine/display/backends/pygame.py** (9,185 bytes) -- **engine/display/backends/kitty.py** (5,305 bytes) - -**Total**: ~14,000 bytes (check if presets use them) - -## File Paths - -### Recommended for Deletion (Phase 1) -``` -/home/dietpi/src/Mainline/engine/emitters.py -/home/dietpi/src/Mainline/engine/beautiful_mermaid.py -/home/dietpi/src/Mainline/engine/pipeline_viz.py -/home/dietpi/src/Mainline/tests/test_emitters.py -``` - -### Keep for Now (Legacy Backwards Compatibility) -``` -/home/dietpi/src/Mainline/engine/scroll.py -/home/dietpi/src/Mainline/engine/render.py -/home/dietpi/src/Mainline/engine/layers.py -``` - -### Requires Audit (Phase 2) -``` -/home/dietpi/src/Mainline/engine/display/backends/pygame.py -/home/dietpi/src/Mainline/engine/display/backends/kitty.py -``` - -## Recommended Reading Order - -1. **First**: This file (overview) -2. **Then**: LEGACY_CLEANUP_CHECKLIST.md (if you want to act immediately) -3. **Or**: LEGACY_CODE_ANALYSIS.md (if you want to understand deeply) - -## Key Statistics - -| Metric | Value | -|--------|-------| -| Total Dead Code | ~9,000 lines | -| Safe to Remove (Phase 1) | ~4,500 lines | -| Conditional Removals (Phase 2) | ~3,800 lines | -| Legacy But Active (Phase 3) | ~700 lines | -| Risk Level (Phase 1) | NONE | -| Risk Level (Phase 2) | LOW | -| Risk Level (Phase 3) | MEDIUM | - -## Action Items - -### Immediate (Phase 1 - 0 Risk) -- [ ] Delete engine/emitters.py -- [ ] Delete tests/test_emitters.py -- [ ] Delete engine/beautiful_mermaid.py -- [ ] Delete engine/pipeline_viz.py -- [ ] Clean up pipeline.py introspection methods - -### Short Term (Phase 2 - Low Risk) -- [ ] Audit pygame backend usage -- [ ] Audit kitty backend usage -- [ ] Decide on animation.py - -### Future (Phase 3 - Medium Risk) -- [ ] Plan scroll.py migration -- [ ] Consolidate render.py/layers.py -- [ ] Deprecate legacy adapters - -## How to Execute Cleanup - -See [LEGACY_CLEANUP_CHECKLIST.md](./LEGACY_CLEANUP_CHECKLIST.md) for: -- Exact deletion commands -- Verification procedures -- Testing procedures -- Rollback procedures - -## Questions? - -Refer to the detailed analysis documents: -- For specific module details: LEGACY_CODE_ANALYSIS.md -- For how to delete: LEGACY_CLEANUP_CHECKLIST.md -- For verification commands: LEGACY_CLEANUP_CHECKLIST.md (Phase 1 section) - ---- - -**Analysis Date**: March 16, 2026 -**Codebase**: Mainline (Pipeline Architecture) -**Legacy Code Found**: ~9,000 lines -**Safe to Remove Now**: ~4,500 lines diff --git a/docs/SESSION_SUMMARY.md b/docs/SESSION_SUMMARY.md deleted file mode 100644 index 765a2d1..0000000 --- a/docs/SESSION_SUMMARY.md +++ /dev/null @@ -1,501 +0,0 @@ -# Session Summary: Phase 2, 3 & 4 Complete - -**Date:** March 16, 2026 -**Duration:** Full session -**Overall Achievement:** 126 new tests added, 5,296+ lines of legacy code cleaned up, RenderStage/ItemsStage removed, codebase modernized - ---- - -## Executive Summary - -This session accomplished four major phases of work: - -1. **Phase 2: Test Coverage Improvements** - Added 67 comprehensive tests -2. **Phase 3 (Early): Legacy Code Removal** - Removed 4,840 lines of dead code (Phases 1-2) -3. **Phase 3 (Full): Legacy Module Migration** - Reorganized remaining legacy code into dedicated subsystem -4. **Phase 4: Remove Deprecated Adapters** - Deleted RenderStage and ItemsStage, replaced with modern patterns - -**Final Stats:** -- Tests: 463 → 530 → 521 → 515 → 508 passing (508 core tests, 6 legacy failures pre-existing) -- Core tests (non-legacy): 67 new tests added -- Lines of code removed: 5,576 lines total (5,296 + 280 from Phase 4) -- Legacy code properly organized in `engine/legacy/` and `tests/legacy/` -- Deprecated adapters fully removed and replaced - ---- - -## Phase 4: Remove Deprecated Adapters (Complete Refactor) - -### Overview - -Phase 4 completed the removal of two deprecated pipeline adapter classes: -- **RenderStage** (124 lines) - Legacy rendering layer -- **ItemsStage** (32 lines) - Bootstrap mechanism for pre-fetched items -- **create_items_stage()** function (3 lines) - -**Replacement Strategy:** -- Created `ListDataSource` class (38 lines) to wrap arbitrary pre-fetched items -- Updated app.py to use DataSourceStage + ListDataSource pattern -- Removed 7 deprecated test methods - -**Net Result:** 280 lines removed, 0 regressions, 508 core tests passing - -### Phase 4.1: Add Deprecation Warnings (7c69086) -**File:** `engine/pipeline/adapters.py` - -Added DeprecationWarning to RenderStage.__init__(): -- Notifies developers that RenderStage uses legacy rendering code -- Points to modern replacement (SourceItemsToBufferStage) -- Prepares codebase for full removal - -### Phase 4.2: Remove RenderStage Usage from app.py (3e73ea0) -**File:** `engine/app.py` - -Replaced RenderStage with SourceItemsToBufferStage: -- Removed special-case logic for non-special sources -- Simplified render pipeline - all sources use same modern path -- All 11 app integration tests pass -- No behavior change, only architecture improvement - -### Phase 4.3: Delete Deprecated Classes (6fc3cbc) -**Files:** `engine/pipeline/adapters.py`, `engine/data_sources/sources.py`, `tests/test_pipeline.py` - -**Deletions:** -1. **RenderStage class** (124 lines) - - Used legacy engine.legacy.render and engine.legacy.layers - - Replaced with SourceItemsToBufferStage + DataSourceStage pattern - - Removed 4 test methods for RenderStage - -2. **ItemsStage class** (32 lines) - - Bootstrap mechanism for pre-fetched items - - Removed 3 test methods for ItemsStage - -3. **create_items_stage() function** (3 lines) - - Helper to create ItemsStage instances - - No longer needed - -**Additions:** -1. **ListDataSource class** (38 lines) - - Wraps arbitrary pre-fetched items as DataSource - - Allows items to be used with modern DataSourceStage - - Simple implementation: stores items in constructor, returns in get_items() - -**Test Removals:** -- `test_render_stage_capabilities` - RenderStage-specific -- `test_render_stage_dependencies` - RenderStage-specific -- `test_render_stage_process` - RenderStage-specific -- `test_datasource_stage_capabilities_match_render_deps` - RenderStage comparison -- `test_items_stage` - ItemsStage-specific -- `test_pipeline_with_items_and_effect` - ItemsStage usage -- `test_pipeline_with_items_stage` - ItemsStage usage - -**Impact:** -- 159 lines deleted from adapters.py -- 3 lines deleted from app.py -- 38 lines added as ListDataSource -- 7 test methods removed (expected deprecation) -- **508 core tests pass** - no regressions - -### Phase 4.4: Update Pipeline Introspection (d14f850) -**File:** `engine/pipeline.py` - -Removed documentation entries: -- ItemsStage documentation removed -- RenderStage documentation removed -- Introspection DAG now only shows active stages - -**Impact:** -- Cleaner pipeline visualization -- No confusion about deprecated adapters -- 508 tests still passing - -### Architecture Changes - -**Before Phase 4:** -``` -DataSourceStage - ↓ -(RenderStage - deprecated) - ↓ -SourceItemsToBufferStage - ↓ -DisplayStage - -Bootstrap: -(ItemsStage - deprecated, only for pre-fetched items) - ↓ -SourceItemsToBufferStage -``` - -**After Phase 4:** -``` -DataSourceStage (now wraps all sources, including ListDataSource) - ↓ -SourceItemsToBufferStage - ↓ -DisplayStage - -Unified Pattern: -ListDataSource wraps pre-fetched items - ↓ -DataSourceStage - ↓ -SourceItemsToBufferStage -``` - -### Test Metrics - -**Before Phase 4:** -- 515 core tests passing -- RenderStage had 4 dedicated tests -- ItemsStage had 3 dedicated tests -- create_items_stage() had related tests - -**After Phase 4:** -- 508 core tests passing -- 7 deprecated tests removed (expected) -- 19 tests skipped -- 6 legacy tests failing (pre-existing, unrelated) -- **Zero regressions** in modern code - -### Code Quality - -**Linting:** ✅ All checks pass -- ruff format checks pass -- ruff check passes -- No style violations - -**Testing:** ✅ Full suite passes -``` -508 passed, 19 skipped, 6 failed (pre-existing legacy) -``` - ---- - -## Phase 2: Test Coverage Improvements (67 new tests) - -### Commit 1: Data Source Tests (d9c7138) -**File:** `tests/test_data_sources.py` (220 lines, 19 tests) - -Tests for: -- `SourceItem` dataclass creation and metadata -- `EmptyDataSource` - blank content generation -- `HeadlinesDataSource` - RSS feed integration -- `PoetryDataSource` - poetry source integration -- `DataSource` base class interface - -**Coverage Impact:** -- `engine/data_sources/sources.py`: 34% → 39% - -### Commit 2: Pipeline Adapter Tests (952b73c) -**File:** `tests/test_adapters.py` (345 lines, 37 tests) - -Tests for: -- `DataSourceStage` - data source integration -- `DisplayStage` - display backend integration -- `PassthroughStage` - pass-through rendering -- `SourceItemsToBufferStage` - content to buffer conversion -- `EffectPluginStage` - effect application - -**Coverage Impact:** -- `engine/pipeline/adapters.py`: ~50% → 57% - -### Commit 3: Fix App Integration Tests (28203ba) -**File:** `tests/test_app.py` (fixed 7 tests) - -Fixed issues: -- Config mocking for PIPELINE_DIAGRAM flag -- Proper display mock setup to prevent pygame window launch -- Correct preset display backend expectations -- All 11 app tests now passing - -**Coverage Impact:** -- `engine/app.py`: 0-8% → 67% - ---- - -## Phase 3: Legacy Code Cleanup - -### Phase 3.1: Dead Code Removal - -**Commits:** -- 5762d5e: Removed 4,500 lines of dead code -- 0aa80f9: Removed 340 lines of unused animation.py - -**Deleted:** -- `engine/emitters.py` (25 lines) - unused Protocol definitions -- `engine/beautiful_mermaid.py` (4,107 lines) - unused Mermaid ASCII renderer -- `engine/pipeline_viz.py` (364 lines) - unused visualization module -- `tests/test_emitters.py` (69 lines) - orphaned test file -- `engine/animation.py` (340 lines) - abandoned experimental animation system -- Cleanup of `engine/pipeline.py` introspection methods (25 lines) - -**Created:** -- `docs/LEGACY_CODE_INDEX.md` - Navigation guide -- `docs/LEGACY_CODE_ANALYSIS.md` - Detailed technical analysis (286 lines) -- `docs/LEGACY_CLEANUP_CHECKLIST.md` - Action-oriented procedures (239 lines) - -**Impact:** 0 risk, all tests pass, no regressions - -### Phase 3.2-3.4: Legacy Module Migration - -**Commits:** -- 1d244cf: Delete scroll.py (156 lines) -- dfe42b0: Create engine/legacy/ subsystem and move render.py + layers.py -- 526e5ae: Update production imports to engine.legacy.* -- cda1358: Move legacy tests to tests/legacy/ directory - -**Actions Taken:** - -1. **Delete scroll.py (156 lines)** - - Fully deprecated rendering orchestrator - - No production code imports - - Clean removal, 0 risk - -2. **Create engine/legacy/ subsystem** - - `engine/legacy/__init__.py` - Package documentation - - `engine/legacy/render.py` - Moved from root (274 lines) - - `engine/legacy/layers.py` - Moved from root (272 lines) - -3. **Update Production Imports** - - `engine/effects/__init__.py` - get_effect_chain() path - - `engine/effects/controller.py` - Fallback import path - - `engine/pipeline/adapters.py` - RenderStage & ItemsStage imports - -4. **Move Legacy Tests** - - `tests/legacy/test_render.py` - Moved from root - - `tests/legacy/test_layers.py` - Moved from root - - Updated all imports to use `engine.legacy.*` - -**Impact:** -- Core production code fully functional -- Clear separation between legacy and modern code -- All modern tests pass (67 new tests) -- Ready for future removal of legacy modules - ---- - -## Architecture Changes - -### Before: Monolithic legacy code scattered throughout - -``` -engine/ - ├── emitters.py (unused) - ├── beautiful_mermaid.py (unused) - ├── animation.py (unused) - ├── pipeline_viz.py (unused) - ├── scroll.py (deprecated) - ├── render.py (legacy) - ├── layers.py (legacy) - ├── effects/ - │ └── controller.py (uses layers.py) - └── pipeline/ - └── adapters.py (uses render.py + layers.py) - -tests/ - ├── test_render.py (tests legacy) - ├── test_layers.py (tests legacy) - └── test_emitters.py (orphaned) -``` - -### After: Clean separation of legacy and modern - -``` -engine/ - ├── legacy/ - │ ├── __init__.py - │ ├── render.py (274 lines) - │ └── layers.py (272 lines) - ├── effects/ - │ └── controller.py (imports engine.legacy.layers) - └── pipeline/ - └── adapters.py (imports engine.legacy.*) - -tests/ - ├── test_data_sources.py (NEW - 19 tests) - ├── test_adapters.py (NEW - 37 tests) - ├── test_app.py (FIXED - 11 tests) - └── legacy/ - ├── test_render.py (moved, 24 passing tests) - └── test_layers.py (moved, 30 passing tests) -``` - ---- - -## Test Statistics - -### New Tests Added -- `test_data_sources.py`: 19 tests (SourceItem, DataSources) -- `test_adapters.py`: 37 tests (Pipeline stages) -- `test_app.py`: 11 tests (fixed 7 failing tests) -- **Total new:** 67 tests - -### Test Categories -- Unit tests: 67 new tests in core modules -- Integration tests: 11 app tests covering pipeline orchestration -- Legacy tests: 54 tests moved to `tests/legacy/` (6 pre-existing failures) - -### Coverage Improvements -| Module | Before | After | Improvement | -|--------|--------|-------|-------------| -| engine/app.py | 0-8% | 67% | +67% | -| engine/data_sources/sources.py | 34% | 39% | +5% | -| engine/pipeline/adapters.py | ~50% | 57% | +7% | -| Overall | 35% | ~35% | (code cleanup offsets new tests) | - ---- - -## Code Cleanup Statistics - -### Phase 1-2: Dead Code Removal -- **emitters.py:** 25 lines (0 references) -- **beautiful_mermaid.py:** 4,107 lines (0 production usage) -- **pipeline_viz.py:** 364 lines (0 production usage) -- **animation.py:** 340 lines (0 imports) -- **test_emitters.py:** 69 lines (orphaned) -- **pipeline.py cleanup:** 25 lines (introspection methods) -- **Total:** 4,930 lines removed, 0 risk - -### Phase 3: Legacy Module Migration -- **scroll.py:** 156 lines (deleted - fully deprecated) -- **render.py:** 274 lines (moved to engine/legacy/) -- **layers.py:** 272 lines (moved to engine/legacy/) -- **Total moved:** 546 lines, properly organized - -### Grand Total: 5,296 lines of dead/legacy code handled - ---- - -## Git Commit History - -``` -d14f850 refactor(remove): Remove RenderStage and ItemsStage from pipeline.py introspection (Phase 4.4) -6fc3cbc refactor(remove): Delete RenderStage and ItemsStage classes (Phase 4.3) -3e73ea0 refactor(remove-renderstage): Remove RenderStage usage from app.py (Phase 4.2) -7c69086 refactor(deprecate): Add deprecation warning to RenderStage (Phase 4.1) -0980279 docs: Add comprehensive session summary - Phase 2 & 3 complete -cda1358 refactor(legacy): Move legacy tests to tests/legacy/ (Phase 3.4) -526e5ae refactor(legacy): Update production imports to engine.legacy (Phase 3.3) -dfe42b0 refactor(legacy): Create engine/legacy/ subsystem (Phase 3.2) -1d244cf refactor(legacy): Delete scroll.py (Phase 3.1) -0aa80f9 refactor(cleanup): Remove 340 lines of unused animation.py -5762d5e refactor(cleanup): Remove 4,500 lines of dead code (Phase 1) -28203ba test: Fix app.py integration tests - prevent pygame launch -952b73c test: Add comprehensive pipeline adapter tests (37 tests) -d9c7138 test: Add comprehensive data source tests (19 tests) -c976b99 test(app): add focused integration tests for run_pipeline_mode -``` - ---- - -## Quality Assurance - -### Testing -- ✅ All 67 new tests pass -- ✅ All 11 app integration tests pass -- ✅ 515 core tests passing (non-legacy) -- ✅ No regressions in existing code -- ✅ Legacy tests moved without breaking modern code - -### Code Quality -- ✅ All linting passes (ruff checks) -- ✅ All syntax valid (Python 3.12 compatible) -- ✅ Proper imports verified throughout codebase -- ✅ Pre-commit hooks pass (format + lint) - -### Documentation -- ✅ 3 comprehensive legacy code analysis documents created -- ✅ 4 phase migration strategy documented -- ✅ Clear separation between legacy and modern code -- ✅ Deprecation notices added to legacy modules - ---- - -## Key Achievements - -### Code Quality -1. **Eliminated 5,296 lines of dead/legacy code** - cleaner codebase -2. **Organized remaining legacy code** - `engine/legacy/` and `tests/legacy/` -3. **Clear migration path** - legacy modules marked deprecated with timeline - -### Testing Infrastructure -1. **67 new comprehensive tests** - improved coverage of core modules -2. **Fixed integration tests** - app.py tests now stable, prevent UI launch -3. **Organized test structure** - legacy tests separated from modern tests - -### Maintainability -1. **Modern code fully functional** - 515 core tests passing -2. **Legacy code isolated** - doesn't affect new pipeline architecture -3. **Clear deprecation strategy** - timeline for removal documented - ---- - -## Next Steps (Future Sessions) - -### Completed -- ✅ Document legacy code inventory - DONE (Phase 3) -- ✅ Delete dead code - DONE (Phase 1-2) -- ✅ Migrate legacy modules - DONE (Phase 3) -- ✅ Remove deprecated adapters - DONE (Phase 4) - -### Short Term (Phase 5) -- Remove engine/legacy/ subsystem entirely -- Delete tests/legacy/ directory -- Clean up any remaining legacy imports in production code - -### Long Term (Phase 6+) -- Archive old rendering code to historical branch if needed -- Final cleanup and code optimization -- Performance profiling of modern pipeline - ---- - -## Conclusion - -This comprehensive 4-phase session successfully: - -### Phase 2: Testing (67 new tests) -1. ✅ Added comprehensive tests for DataSources, adapters, and app integration -2. ✅ Improved coverage of core modules from ~35% → modern patterns -3. ✅ Fixed integration tests to prevent UI launch in CI - -### Phase 3: Legacy Organization (5,296 lines removed) -1. ✅ Removed 4,930 lines of provably dead code -2. ✅ Organized 546 lines of legacy code into dedicated subsystem -3. ✅ Created clear separation: `engine/legacy/` and `tests/legacy/` - -### Phase 4: Adapter Removal (280 lines removed) -1. ✅ Deprecated RenderStage and ItemsStage -2. ✅ Created ListDataSource replacement pattern -3. ✅ Removed deprecated adapters and associated tests -4. ✅ Updated pipeline introspection documentation - -### Overall Results - -**Code Quality:** -- 5,576 total lines of legacy/dead code removed -- Clean architecture with no deprecated patterns in use -- Modern pipeline fully functional and testable - -**Testing:** -- 67 new tests added -- 508 core tests passing (100% of modern code) -- 19 tests skipped -- 6 legacy test failures (pre-existing, unrelated to Phase 4) -- Zero regressions in any phase - -**Technical Debt:** -- Reduced by 5,576 lines -- Remaining legacy code (546 lines) isolated and marked for removal -- Clear path to Phase 5: Complete removal of engine/legacy/ - -The codebase is now in excellent shape with: -- ✅ No deprecated adapters in use -- ✅ All modern code patterns adopted -- ✅ Clear separation of concerns -- ✅ Ready for next phase of cleanup - ---- - -**End of Session Summary** diff --git a/mise.toml b/mise.toml index 85011e4..adfec65 100644 --- a/mise.toml +++ b/mise.toml @@ -2,6 +2,7 @@ python = "3.12" hk = "latest" pkl = "latest" +uv = "latest" [tasks] # =====================