- Create WorkspaceService for managing .gadget/ directory
- Implement workspace.json for persistent identity (workspaceId UUID)
- Add work order cache for crash recovery
- Update drone registration to include workspaceId
- Add crash recovery socket events (requestCrashRecovery, crashRecoveryResponse)
- Implement crash recovery handler in DroneSession
- Write work order cache before processing, remove after completion
- Resolve duplicate DroneStatus enum (import from @gadget/api)
- Fix IAiProvider interface conflict with DB→runtime mapper
- Add callId to ToolCallMessage and ChatToolCallSchema
- Fix ChatTurnStats schema field name (thinkingTokenCount)
- Add provider/selectedModel to ChatSession interface and model
- Implement CodeSession.onSubmitPrompt() to create ChatTurn and send work orders
- Add drone/chat session tracking to CodeSession
- Add unit tests for CodeSession (9 tests, all passing)
