- Removed `SocialMediaService` and migrated core post generation logic to `GeneratePostService`.
- Added `GetAllChatMessagesAction` for fetching chat history.
- Introduced `MessageDto`, `MessageResource`, and `MessageCollection` for consistent backend API responses.
- Updated frontend state and services to support JSON:API-compliant chat messages and history retrieval.
- Improved typings and casting for chat message data.
- Moved chat-related controllers, resources, requests, and DTOs into their respective `Chats` namespaces.
- Updated route imports to reflect new namespace structure.
Implement Authentication States, show logout options in auth store and services.
Make DB and controllers to make messages grouped by chats.
Refactor backend code to use DTO.
