- Replaced direct localStorage token access with a centralized `getBearerToken` function across various components and hooks to improve code maintainability and security.
- Updated API calls to use `authenticatedFetch` for consistent authentication handling.
- Enhanced user experience by ensuring proper redirection to login when authentication fails.
- Cleaned up unused imports and improved overall code structure for better readability.
- Modified various FastAPI route definitions to remove trailing slashes for consistency across the application.
- Updated corresponding fetch calls in the frontend to align with the new endpoint structure.
- Ensured that all affected routes maintain their functionality without trailing slashes.
