# Changelog

## [5.0.0] - 2025-11-23
### Added
*   **Complete Project Restructure**: Clean, professional file organization
*   **Comprehensive Examples**: quickstart.py, transactions.py, ai_features.py
*   **Enhanced Documentation**: Beginner-friendly USER_GUIDE, INSTALLATION guide
*   **Quick Reference**: QUICK_REFERENCE.md for fast API lookup
*   **IntelliSense Support**: Full type hints and docstrings
*   **ACID Transactions**: Full support for atomic operations
*   **Time-Travel**: Versioning system for historical data access
*   **GUI**: Web-based control center (FastAPI + HTML/JS)
*   **Distributed**: Basic node discovery and clustering
*   **Plugins**: Extensible architecture
*   **.gitignore**: Proper Git configuration
*   **PROJECT_STRUCTURE.md**: Complete codebase documentation

### Changed
*   **Refactor**: Complete rewrite of the core engine for modularity
*   **Package Structure**: Moved to `smartkdb/` namespace
*   **README.md**: Rewritten to be beginner-friendly
*   **Documentation**: Split into multiple focused guides

### Removed
*   Cleaned up all demo databases and test files
*   Removed legacy build configuration files

## [4.1.0] - 2025-11-21
### Added
*   Comprehensive Documentation (User, Developer, Architecture guides)

## [4.0.3] - 2025-11-21
### Added
*   Error Handling guide
*   Feature Comparison table
*   Lifecycle diagram