- Add MAX_CONCURRENT_AGENTS configuration (default: 20) - Check current agent count before spawning - Reject spawn requests with 429 Too Many Requests when limit reached - Add comprehensive tests for limit enforcement Refs #338
- Add MAX_CONCURRENT_AGENTS configuration (default: 20) - Check current agent count before spawning - Reject spawn requests with 429 Too Many Requests when limit reached - Add comprehensive tests for limit enforcement Refs #338