- Added validation for field and model configurations in decorators.
- Improved handling of relationships in the BelongsTo, HasMany, HasOne, and ManyToMany decorators.
- Introduced new methods in QueryBuilder for advanced filtering, caching, and relationship loading.
- Updated RelationshipManager to support new relationship configurations.
- Enhanced error handling and logging in migration tests.
- Refactored test cases for better clarity and coverage.