Document the intelligent evaluation cron pool architecture:
- Cron pool management (5-20 workers)
- Task queue with priority scheduling
- Worker skill with autonomous decision logic
- Config snapshot management and comparison
- Decision process tracking and visualization
- Monitoring and alerting system
- Fault tolerance and recovery mechanisms
- Frontend UI for config history, decision process, and cron pool monitoring
Rename legacy v1.1 release notes to v1.1-legacy.md.
