- Emit chat:session:updated from ChatStore when message deletion mutates a session and cover deleteMessage false returns
- Pass ChatStore into SSE setup and forward chat session update events to connected clients
- Update useChat to consume SSE updates in real time with safer EnrichedChatSession typing
- Add core and dashboard tests for chat-store emissions, SSE forwarding, route wiring, and hook behavior
- Add lastMessagePreview field to ChatSession to show message previews in session list
- Restore active session state on component remount via stored lastSessionId
- Add chat routes for session management (create, list, read, update/delete)
- Add tests for useChat hook, chat store, and chat routes
- Remove unused serveCommand assignment in serve.ts command
- Add chat system type definitions (ChatSession, ChatMessage, ChatMessageRole)
- Add SQLite schema migration for chat_sessions and chat_messages tables
- Implement ChatStore with full CRUD operations for sessions and messages
- Export ChatStore and types from @fusion/core public API
- Add comprehensive test suite for ChatStore with session/message operations
- Update schema version expectations in existing tests
