TODO.md

Recommendations

Immediate (High Impact)

1. Add type hints - Improves maintainability and IDE support
2. Add docstrings - Critical for API documentation
3. Implement logging - Replace print statements
4. Split large methods - Improve readability

Medium Term

1. Refactor database class - Separate concerns, add repository pattern
2. Add connection pooling - Improve performance
3. Create custom exception hierarchy - Better error handling
4. Add unit tests - Complement integration tests