- 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.
