# Changelog

All notable changes to this project will be documented in this file.

The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).

## [Unreleased]

### Added
- Comprehensive test suite with pytest
- Structured logging system with rotating file handlers
- Configuration file support (`.prrc`)
- Token and cost tracking across sessions
- Session persistence (save/load/export)
- CI/CD pipeline with GitHub Actions
- Custom exception hierarchy
- Plugin system for custom tools
- Multiple output formats (text, JSON, structured)
- Input validation system
- Progress indicators for long operations
- Pre-commit hooks configuration
- Comprehensive documentation (README, CONTRIBUTING, CHANGELOG)
- Version flag (`--version`)
- Better help text with examples
- Session management commands
- Usage statistics tracking

### Changed
- Improved argument parser with better help text
- Enhanced error handling throughout codebase
- Modular architecture with clear separation of concerns

### Fixed
- N/A (initial professional release)

## [1.0.0] - 2025-01-XX

### Added
- Initial release with core functionality
- Interactive and single-message modes
- Autonomous execution mode
- 16 built-in tools (filesystem, command, web, database, Python)
- OpenRouter API integration
- Context window management with summarization
- Markdown rendering with syntax highlighting
- Tool call visualization
- Command history with readline
- File versioning in SQLite database
- Multiple context file support
- Environment variable configuration
- Model switching support
- Verbose mode
- API mode for specialized interaction

### Core Features
- **Assistant Core**: Main orchestrator with REPL loop
- **API Communication**: OpenRouter integration with streaming
- **Tool System**: Parallel execution with ThreadPoolExecutor
- **Autonomous Mode**: Max 50 iterations with completion detection
- **Context Management**: Automatic compression at 30 message threshold
- **UI Components**: ANSI colors, markdown rendering, fancy displays

### Tools Included
- File Operations: read, write, list, mkdir, chdir, getpwd, index
- Commands: run_command, run_command_interactive
- Web: http_fetch, web_search, web_search_news
- Database: db_set, db_get, db_query
- Python: python_exec with persistent context

### Configuration
- Default model: x-ai/grok-code-fast-1
- Temperature: 0.7
- Max tokens: 8096
- Context threshold: 30 messages
- Max autonomous iterations: 50

## Version History

### Version Numbering

- **Major** (X.0.0): Breaking changes
- **Minor** (1.X.0): New features, backwards compatible
- **Patch** (1.0.X): Bug fixes, backwards compatible

### Release Schedule

- Major releases: As needed for breaking changes
- Minor releases: Monthly or when significant features are ready
- Patch releases: As needed for bug fixes

## Migration Guides

### Upgrading to 1.0.0

This is the initial professional release. If upgrading from development version:

1. Install with `pip install -e .`
2. Run `pr --create-config` to generate configuration file
3. Set `OPENROUTER_API_KEY` environment variable
4. Existing data in `~/.assistant_db.sqlite` will continue to work

## Deprecation Notices

None currently.

## Known Issues

None currently.

## Future Releases

### Planned for 2.0.0
- Multi-model conversations
- Enhanced plugin API with hooks
- Web UI dashboard
- Team collaboration features

### Under Consideration
- Docker containerization
- Cloud deployment options
- IDE integrations
- Advanced code analysis tools

---

**Legend:**
- `Added` - New features
- `Changed` - Changes to existing functionality
- `Deprecated` - Soon-to-be removed features
- `Removed` - Removed features
- `Fixed` - Bug fixes
- `Security` - Security fixes