* Implement tests to ensure explicit type modifiers are preserved during conversion.
* Validate behavior for varchar, numeric, and custom vector types.
- Implement functionality to create, update, delete, and view relationships between tables.
- Introduce new UI screens for managing relationships, including forms for adding and editing relationships.
- Enhance table editor with navigation to relationship management.
- Ensure relationships are displayed in a structured table format for better usability.
* Introduce tests for PostgreSQL data types and keywords.
* Implement tests for reflect utility functions.
* Ensure consistency and correctness of type conversions and keyword mappings.
* Validate behavior for various edge cases and input types.
