- Introduced a new `ChatHistoryMessageModel` to persist chat messages in the database.
- Implemented a migration script to create the `chat_history_messages` table.
- Enhanced chat services to support storing and retrieving chat history.
- Added functionality for generating multiple media assets in a single API call.
- Updated the chat UI to display assistant activities and tool usage more effectively.
- Refactored API calls to use absolute URLs for better reliability.
- Replaced `get_container_db_async_session` with `async_session_maker` for improved session handling in background tasks.
- Refactored chat memory services to utilize a shared `mem0` client for better memory management.
- Introduced new methods for retrieving and storing chat history, integrating with SQL and memory layers.
- Enhanced error handling and response management in chat-related services.
- Cleaned up unused code and improved overall structure for maintainability.
