- Deleted `chats-client.tsx` and `page.tsx` as part of the chat management overhaul.
- Introduced `AllChatsSidebar` and `NavChats` components for improved chat navigation and management.
- Updated sidebar to integrate new chat components and removed the deprecated `NavProjects`.
- Enhanced chat deletion handling and added loading states for better user experience.
- Added new translation keys for chat-related UI strings.
- 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.
