- Add GET /agents endpoint to orchestrator controller
- Update AgentStatusWidget to fetch from real API instead of mock data
- Add comprehensive tests for listAgents endpoint
- Auto-refresh agent list every 30 seconds
- Display agent status with proper icons and formatting
- Show error states when API is unavailable
Fixes#233
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>