基于事件溯源重建设备运行状态

solve()

A区: {'zone': 'A区', 'active_alerts': 1, 'last_irrigation': 'IRR003 (aborted)', 'cumulative_gdd': 549.0, 'current_stage': 'flowering'}
B区: {'zone': 'B区', 'active_alerts': 1, 'last_irrigation': 'IRR004 (completed)', 'cumulative_gdd': 0}