- Add Orchestrator class with handle_message() and handle_callback() entry points
- Command parsing via regex: /gsd:* pattern extraction
- Auto-session-creation per CONTEXT.md decision
- Error handling with try/except returning format_error() cards
- Approval detection integration with ApprovalHandler
- Output truncation to 2000 chars for Feishu card limits
- 18 tests passing with full coverage
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- Test orchestrator initialization with dependencies
- Test command parsing for /gsd:* pattern extraction
- Test handle_message routing (session creation, command execution, error handling)
- Test handle_callback routing for approval workflow
- Add integration-style tests for full flows
18 tests total covering all orchestrator functionality.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>