# 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 GitHub compliance documentation
- Security policy and vulnerability reporting
- Enhanced README with badges and better structure
- Contributing guidelines and code of conduct

### Changed
- Improved project structure documentation
- Enhanced API documentation
- Better error handling and logging

## [1.0.0] - 2024-01-XX

### Added
- Initial release of Agent Control Hub
- Multi-agent code generation system
- Support for multiple programming languages (Python, Node.js, React+TypeScript, Three.js, Go, Rust, Java)
- Streamlit-based web interface
- FastAPI backend with RESTful API
- Virtual environment management
- File generation with fallback scaffolding
- Real-time project monitoring
- One-click project download
- LLM provider abstraction (Gemini, Together.ai, OpenRouter)
- Comprehensive test suite
- CI/CD pipeline with GitHub Actions
- Docker support
- Extensive documentation

### Features
- **Multi-Agent Pipeline**: Collaborative AI agents for prompt enhancement, file planning, code generation, testing, and deployment
- **Language Support**: Full support for 7 programming languages with framework-specific scaffolding
- **Modern UI**: Streamlit-based interface with real-time updates and project management
- **API-First Design**: RESTful API with automatic documentation and OpenAPI specification
- **Environment Management**: Per-project virtual environments with automatic setup
- **File Generation**: Guaranteed file creation with intelligent fallback mechanisms
- **Real-time Monitoring**: Live project status, progress tracking, and execution logs
- **One-Click Deployment**: Complete project packaging and ZIP download
- **LLM Flexibility**: Support for multiple LLM providers with easy switching
- **Comprehensive Testing**: Unit tests, integration tests, and CI/CD automation

### Technical Details
- **Backend**: FastAPI with async/await support
- **Frontend**: Streamlit with custom styling and components
- **Database**: In-memory storage with file-based persistence
- **Testing**: pytest with coverage reporting
- **Code Quality**: Black formatting, flake8 linting, mypy type checking
- **CI/CD**: GitHub Actions with multi-Python version testing
- **Documentation**: Comprehensive README, API docs, and examples

## [0.9.0] - 2024-01-XX (Pre-release)

### Added
- Basic multi-agent system
- Python language support
- Simple Streamlit interface
- FastAPI backend
- File generation pipeline

### Changed
- Initial architecture design
- Basic UI implementation
- Core agent functionality

## [0.8.0] - 2024-01-XX (Pre-release)

### Added
- Project structure foundation
- Basic agent definitions
- Initial LLM integration
- Core configuration system

### Changed
- Early development phase
- Basic functionality implementation

---

## Version Numbering

This project uses [Semantic Versioning](https://semver.org/):

- **MAJOR** version for incompatible API changes
- **MINOR** version for backwards-compatible functionality additions
- **PATCH** version for backwards-compatible bug fixes

## Release Types

- **Major Release**: Significant new features or breaking changes
- **Minor Release**: New features that are backwards compatible
- **Patch Release**: Bug fixes and minor improvements
- **Security Release**: Critical security fixes (may skip version numbers)

## Release Schedule

- **Major Releases**: As needed (typically every 6-12 months)
- **Minor Releases**: Monthly or as features are ready
- **Patch Releases**: Weekly or as bugs are fixed
- **Security Releases**: Immediately when critical issues are found

## Migration Guides

### Upgrading from 0.9.x to 1.0.0

- **Breaking Changes**: None (first major release)
- **New Features**: All features are new
- **Configuration**: Use the new `.env` file format
- **API**: All API endpoints are new

### Upgrading from 0.8.x to 0.9.0

- **Breaking Changes**: Complete rewrite of agent system
- **Migration**: Full reinstallation recommended
- **Configuration**: New configuration format required

## Deprecation Policy

- **Deprecation Notice**: Features will be marked as deprecated for at least one minor release
- **Removal**: Deprecated features will be removed in the next major release
- **Documentation**: All deprecations will be documented in the changelog

## Support Lifecycle

- **Current Version**: Full support and security updates
- **Previous Major Version**: Security updates only for 6 months
- **Older Versions**: Community support only

## Contributing to Changelog

When adding entries to this changelog:

1. **Use present tense** ("Add feature" not "Added feature")
2. **Group by type** (Added, Changed, Deprecated, Removed, Fixed, Security)
3. **Include issue/PR numbers** when relevant
4. **Be descriptive** but concise
5. **Follow the format** of existing entries

## Links

- [GitHub Releases](https://github.com/Dzg0507/AgentHub/releases)
- [GitHub Issues](https://github.com/Dzg0507/AgentHub/issues)
- [GitHub Discussions](https://github.com/Dzg0507/AgentHub/discussions)
- [Documentation](https://github.com/Dzg0507/AgentHub#readme)
