Chat Domain:
- Add types.ts with Message, Conversation, Agent types
- Add store.ts with Valtio-based state management
- Add hooks.ts with useChatState, useMessages, etc.
- Add index.ts for public API export
Hands Domain:
- Add types.ts with Hand, Trigger, Approval types
- Add machine.ts with XState state machine
- Add store.ts with Valtio-based state management
- Add hooks.ts with useHands, useApprovalQueue, etc.
Shared Module:
- Add types.ts with Result, AsyncResult, PaginatedResponse
- Add error-handling.ts with AppError, NetworkError, etc.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
