- Introduced new tests for the `is_admin_async` function to verify correct behavior based on user roles.
- Added tests for error handling in the `error_handler` to ensure exceptions are logged and do not propagate.
- Enhanced test coverage for configuration settings by adding a test for parsing admin phone numbers from environment variables.
- Updated the `.cursorrules` file to include the use of a virtual environment for better dependency management.
- Introduced a new configuration file `.cursorrules` to define coding standards, error handling, testing requirements, and project-specific guidelines.
- Refactored `config.py` to implement a `Settings` dataclass for better management of environment variables, improving testability and maintainability.
- Updated the import duty schedule handler to utilize session management with `session_scope`, ensuring proper database session handling.
- Enhanced the import service to streamline the duty schedule import process, improving code organization and readability.
- Added new service layer functions to encapsulate business logic related to group duty pinning and duty schedule imports.
- Updated README documentation to reflect the new configuration structure and improved import functionality.
