- Extended OAuth callback tests to cover various scenarios (e.g., account linking, user creation, inactive users, and token/user info failures).
- Added `app/init_db.py` to the excluded files in `pyproject.toml`.
- Implemented comprehensive tests for user management API endpoints, including edge cases, error handling, and permission validations.
- Added CRUD tests focusing on exception handling in database operations, soft delete, and update scenarios.
- Introduced custom `.coveragerc` for enhanced coverage tracking and exclusions.
- Improved test reliability by mocking rate-limiting configurations and various database errors.
