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- Implemented RenameService for handling file renaming with features like name validation, proposed name generation, conflict detection, and atomic rename operations. - Created utility modules for language code extraction, regex pattern matching, and frame class matching to centralize common functionalities. - Added comprehensive logging for error handling and debugging across all new modules.
208 lines
8.9 KiB
Markdown
208 lines
8.9 KiB
Markdown
# AI Agent Instructions for Media File Renamer Project
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## Project Description
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This is a Python Terminal User Interface (TUI) application for managing media files. It uses the Textual library to provide a curses-like interface in the terminal. The app allows users to scan directories for video files, display them in a hierarchical tree view, view detailed metadata information including video, audio, and subtitle tracks, and rename files based on intelligent metadata extraction.
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**Current Version**: 0.7.0-dev (Phase 1 complete)
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Key features:
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- Recursive directory scanning with tree navigation
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- Dual-mode display: Technical (codec/track details) and Catalog (TMDB metadata with posters)
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- Tree-based file navigation with expand/collapse functionality
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- Multi-source metadata extraction (MediaInfo, filename parsing, embedded tags, TMDB API)
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- Intelligent file renaming with proposed names and confirmation
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- Settings management with persistent configuration
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- **NEW**: Unified cache subsystem with flexible strategies and decorators
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- **NEW**: Command palette (Ctrl+P) with cache management commands
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- **NEW**: Thread-safe cache with RLock protection
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- **NEW**: Comprehensive logging (warning/debug levels)
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- **NEW**: Proper exception handling (no bare except clauses)
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- Terminal poster display using rich-pixels
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- Color-coded information display
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- Keyboard and mouse navigation
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- Multiple UI screens (main app, directory selection, help, rename confirmation, settings)
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- Extensible extractor and formatter architecture
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- Loading indicators and comprehensive error handling
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## Technology Stack
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- Python 3.11+
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- Textual ≥6.11.0 (TUI framework)
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- PyMediaInfo ≥6.0.0 (detailed track information)
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- Mutagen ≥1.47.0 (embedded metadata)
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- Python-Magic ≥0.4.27 (MIME type detection)
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- Langcodes ≥3.5.1 (language code handling)
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- Requests ≥2.31.0 (HTTP client for TMDB API)
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- Rich-Pixels ≥1.0.0 (terminal image display)
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- Pytest ≥7.0.0 (testing framework)
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- UV (package manager and build tool)
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## Code Structure
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- `renamer/main.py`: Main application entry point with argument parsing
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- `pyproject.toml`: Project configuration and dependencies (version 0.5.10)
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- `README.md`: User documentation
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- `DEVELOP.md`: Developer guide with debugging info
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- `INSTALL.md`: Installation instructions
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- `CLAUDE.md`: Comprehensive AI assistant reference guide
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- `ToDo.md`: Development task tracking
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- `AI_AGENT.md`: This file (AI agent instructions)
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- `renamer/`: Main package
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- `app.py`: Main Textual application class with tree management, file operations, and command palette
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- `settings.py`: Settings management with JSON storage
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- `cache/`: **NEW** Unified cache subsystem (v0.7.0)
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- `core.py`: Thread-safe Cache class
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- `strategies.py`: Cache key generation strategies
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- `managers.py`: CacheManager for operations
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- `decorators.py`: Enhanced cache decorators
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- `types.py`: Type definitions
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- `secrets.py`: API keys and secrets (TMDB)
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- `constants.py`: Application constants (media types, sources, resolutions, special editions)
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- `screens.py`: Additional UI screens (OpenScreen, HelpScreen, RenameConfirmScreen, SettingsScreen)
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- `bump.py`: Version bump utility
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- `release.py`: Release automation script
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- `extractors/`: Individual extractor classes
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- `extractor.py`: MediaExtractor class coordinating all extractors
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- `mediainfo_extractor.py`: PyMediaInfo-based extraction
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- `filename_extractor.py`: Filename parsing with regex patterns
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- `metadata_extractor.py`: Mutagen-based embedded metadata
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- `fileinfo_extractor.py`: Basic file information
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- `tmdb_extractor.py`: The Movie Database API integration
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- `default_extractor.py`: Fallback extractor
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- `formatters/`: Data formatting classes
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- `formatter.py`: Base formatter interface
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- `media_formatter.py`: Main formatter coordinating display
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- `catalog_formatter.py`: Catalog mode formatting with TMDB data
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- `proposed_name_formatter.py`: Generates rename suggestions
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- `track_formatter.py`: Track information formatting
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- `size_formatter.py`: File size formatting
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- `date_formatter.py`: Timestamp formatting
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- `duration_formatter.py`: Duration formatting
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- `resolution_formatter.py`: Resolution formatting
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- `text_formatter.py`: Text styling utilities
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- `extension_formatter.py`: File extension formatting
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- `helper_formatter.py`: Helper formatting utilities
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- `special_info_formatter.py`: Special edition information
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- `decorators/`: Utility decorators
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- `caching.py`: Caching decorator for automatic method caching
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- `test/`: Unit tests for extractors
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- `test_filename_extractor.py`: Filename parsing tests
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- `test_mediainfo_extractor.py`: MediaInfo extraction tests
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- `test_mediainfo_frame_class.py`: Frame class detection tests
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- `test_fileinfo_extractor.py`: File info tests
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- `test_metadata_extractor.py`: Metadata extraction tests
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- `test_filename_detection.py`: Filename pattern detection tests
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- `filenames.txt`, `test_filenames.txt`: Sample test data
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- `test_cases.json`, `test_mediainfo_frame_class.json`: Test fixtures
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## Instructions for AI Agents
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### Coding Standards
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- Use type hints where possible
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- Follow PEP 8 style guidelines
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- Use descriptive variable and function names
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- Add docstrings for functions and classes
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- Handle exceptions appropriately
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- Use pathlib for file operations
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### Development Workflow
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1. Read the current code and understand the architecture
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2. Check the ToDo.md for pending tasks
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3. Implement features incrementally
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4. Test changes by running the app with `uv run python main.py [directory]`
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5. Update tests as needed
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6. Ensure backward compatibility
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7. Update documentation (README.md, ToDo.md) when adding features
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### Key Components
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- `RenamerApp`: Main application class inheriting from Textual's App
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- Manages the tree view and file operations
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- Handles keyboard navigation and commands
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- Coordinates metadata extraction and display
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- Implements efficient tree updates for renamed files
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- `MediaTree`: Custom Tree widget with file-specific styling (inherited from Textual Tree)
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- `MediaExtractor`: Coordinates multiple specialized extractors
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- `MediaFormatter`: Formats extracted data for TUI display
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- Various extractor classes for different data sources
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- Various formatter classes for different data types
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- Screen classes for different UI states
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### Extractor Architecture
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Extractors are responsible for gathering raw data from different sources:
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- Each extractor inherits from no base class but follows the pattern of `__init__(file_path)` and `extract_*()` methods
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- The `MediaExtractor` class coordinates multiple extractors and provides a unified `get()` interface
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- Extractors return raw data (strings, numbers, dicts) without formatting
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### Formatter Architecture
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Formatters are responsible for converting raw data into display strings:
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- Each formatter provides static methods like `format_*()`
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- The `MediaFormatter` coordinates formatters and applies them based on data types
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- `ProposedNameFormatter` generates intelligent rename suggestions
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- Formatters handle text styling, color coding, and human-readable representations
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### Screen Architecture
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The app uses multiple screens for different operations:
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- `OpenScreen`: Directory selection with input validation
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- `HelpScreen`: Comprehensive help with key bindings
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- `RenameConfirmScreen`: File rename confirmation with error handling
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### Completed Major Features
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- ✅ Settings management with JSON configuration
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- ✅ Mode toggle (technical/catalog)
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- ✅ Caching system with TTL support
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- ✅ TMDB integration for catalog data
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- ✅ Poster display in terminal
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- ✅ Settings UI screen
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### Future Enhancements
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- Metadata editing capabilities
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- Batch rename operations
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- Plugin system for custom extractors/formatters
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- Advanced search and filtering
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- Undo/redo functionality
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- Blue highlighting for changed parts in proposed filename
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- Exclude dev commands from distributed package
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- Full genre name expansion (currently shows codes)
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- Optimized poster quality and display
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### Testing
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- Run the app with `uv run python main.py [directory]`
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- Test navigation, selection, and display
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- Verify metadata extraction accuracy
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- Test file renaming functionality
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- Check for any errors or edge cases
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- Run unit tests with `uv run pytest`
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### Contribution Guidelines
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- Make small, focused changes
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- Update documentation as needed
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- Ensure the app runs without errors
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- Follow the existing code patterns
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- Update tests for new functionality
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- Update ToDo.md when completing tasks
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- Update version numbers appropriately
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## Important Files for AI Assistants
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For comprehensive project information, AI assistants should refer to:
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1. **CLAUDE.md**: Complete AI assistant reference guide (most comprehensive)
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2. **AI_AGENT.md**: This file (concise instructions)
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3. **DEVELOP.md**: Developer setup and debugging
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4. **ToDo.md**: Current task list and completed items
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5. **README.md**: User-facing documentation
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This document should be updated as the project evolves.
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---
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**Last Updated**: 2025-12-31 |