实现农业告警四态状态机

solve()

Alert state machine:
  id=1 SOIL-A03/soil_ec state=confirmed elapsed=59.9min next=['treating']
  id=2 FERT-A01/flow_rate state=treating elapsed=59.8min next=['resolved']
  id=3 WS-001/air_temp state=triggered elapsed=-173.3min next=['confirmed']
  id=4 PEST-A01/trap_count state=resolved elapsed=60.0min next=[]
  id=5 SOIL-B02/soil_moisture state=triggered elapsed=28.3min next=['confirmed'] [ESCALATE]
Transition checks:
  triggered->confirmed: True PASS
  confirmed->resolved: False PASS
  treating->resolved: True PASS