System:
你是一个智能家居安全分析 AI 助手。你的职责是分析智能家居设备的状态日志，判断是否存在安全威胁或异常情况。

你需要基于以下能力进行分析：
1. 从设备状态变化中识别异常模式
2. 结合时间、住户习惯、设备类型进行推理
3. 区分真实威胁和正常行为（减少误报）
4. 对发现的问题给出具体的风险评估和建议

所有设备基于 Matter 协议标准，设备状态通过 Cluster.Attribute 的形式报告。

## 家庭环境信息
家庭布局: 两室一厅 (2BR)
- 重点房间 living_room: 客厅主灯[dimmable_light], 客厅落地灯[onoff_light], 客厅空调[air_conditioner], 客厅温度传感器[temperature_sensor], 客厅运动传感器[occupancy_sensor], 客厅窗帘[window_covering], 客厅窗户传感器[contact_sensor]
- 房间 balcony: 阳台灯[onoff_light], 阳台门传感器[contact_sensor], 洗衣机[laundry_washer]
- 房间 bathroom: 卫生间灯[onoff_light], 卫生间运动传感器[occupancy_sensor], 卫生间漏水传感器[water_leak_detector]
- 房间 entrance: 入户门锁[door_lock], 入户门传感器[contact_sensor], 玄关灯[onoff_light], 玄关运动传感器[occupancy_sensor]
- 房间 kitchen: 厨房灯[onoff_light], 厨房灶具[cook_surface], 厨房烟雾报警器[smoke_co_alarm], 厨房温度传感器[temperature_sensor], 厨房窗户传感器[contact_sensor], 洗碗机[dishwasher]
- 房间 master_bedroom: 主卧灯[dimmable_light], 主卧空调[air_conditioner], 主卧运动传感器[occupancy_sensor], 主卧窗帘[window_covering], 主卧窗户传感器[contact_sensor], 主卧温度传感器[temperature_sensor]
- 房间 second_bedroom: 次卧灯[dimmable_light], 次卧运动传感器[occupancy_sensor], 次卧窗帘[window_covering], 次卧窗户传感器[contact_sensor], 次卧温度传感器[temperature_sensor]

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ1
- 重点房间: living_room
- 重点设备: living_room_ac
- 已选事件数: 126

## 设备事件日志
[2026-07-16T03:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2372
[2026-07-16T03:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2365
[2026-07-16T03:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-16T03:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2402
[2026-07-16T04:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2401
[2026-07-16T04:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2406
[2026-07-16T04:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2424
[2026-07-16T05:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-07-16T05:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2446
[2026-07-16T05:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-16T05:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2467
[2026-07-16T06:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2479
[2026-07-16T06:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-16T06:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2475
[2026-07-16T06:05:05] master_bedroom_light | OnOff.OnOff = True
[2026-07-16T06:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2483
[2026-07-16T06:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2473
[2026-07-16T06:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2479
[2026-07-16T06:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2480
[2026-07-16T06:25:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-16T06:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2487
[2026-07-16T06:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-16T06:34:03] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-07-16T06:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-07-16T06:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2488
[2026-07-16T06:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2502
[2026-07-16T06:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-07-16T06:50:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-16T06:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2500
[2026-07-16T07:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-07-16T07:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-16T07:04:30] kitchen_window_contact | BooleanState.StateValue = False
[2026-07-16T07:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-07-16T07:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-07-16T07:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-07-16T07:15:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-16T07:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-07-16T07:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-07-16T07:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-07-16T07:35:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-16T07:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-07-16T07:43:28] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-07-16T07:43:33] front_door_contact | BooleanState.StateValue = True
[2026-07-16T07:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-07-16T07:48:31] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-16T07:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-16T07:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-07-16T08:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-16T08:00:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-16T08:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-16T08:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-16T08:10:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-16T08:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-16T08:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-07-16T08:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-07-16T08:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-16T08:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-16T08:33:31] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-16T08:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-16T08:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-16T08:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-16T08:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-16T08:53:31] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-16T08:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-07-16T09:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-16T09:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-16T09:00:00] living_room_ac | Event: DeviceOffline()
[2026-07-16T09:02:00] living_room_ac | Event: DeviceOnline()
[2026-07-16T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-16T09:08:00] living_room_ac | Event: DeviceOffline()
[2026-07-16T09:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-16T09:10:00] living_room_ac | Event: DeviceOnline()
[2026-07-16T09:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-16T09:18:00] living_room_ac | Event: DeviceOffline()
[2026-07-16T09:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-16T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-16T09:25:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-16T09:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-16T09:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-16T09:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-16T09:38:31] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-16T09:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-07-16T09:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-07-16T09:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-16T09:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-16T09:58:31] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-16T10:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-16T10:00:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-16T10:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-16T10:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-16T10:10:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-16T10:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-16T10:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-16T10:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-16T10:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-16T10:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-16T10:33:31] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-16T10:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-16T10:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-16T10:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-16T10:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-16T10:53:31] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-16T10:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-16T11:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-16T11:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-16T11:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-16T11:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-16T11:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-16T11:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-07-16T11:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-07-16T11:25:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-16T11:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-16T11:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-16T11:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-16T11:38:31] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-16T11:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-07-16T11:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-16T11:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-16T11:58:31] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-16T12:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-16T12:00:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-16T12:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-16T12:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-07-16T12:10:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-16T12:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-07-16T12:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513

## 任务
请结合下面的 Matter 设备日志，判断是否存在设备健康问题，并说明可能的故障类型。

请按以下 JSON 格式回答：

```json
{
  "is_anomaly": true/false,
  "confidence": "high/medium/low",
  "threat_type": "具体威胁类型，从以下选择：intrusion / tailgating / credential_theft / fire_risk / unattended_cooking / carbon_monoxide / sensor_stuck / sensor_drift / sensor_malfunction / actuator_stuck / lock_malfunction / safety_device_failure / water_leak / possible_fall / abnormal_inactivity / health_concern / child_safety / behavioral_anomaly / none",
  "threat_description": "一句话描述发现的问题或确认安全",
  "reasoning": [
    "推理步骤1: ...",
    "推理步骤2: ...",
    "推理步骤3: ..."
  ],
  "key_evidence": [
    "关键证据1",
    "关键证据2"
  ],
  "recommended_actions": [
    "建议措施1",
    "建议措施2"
  ]
}
```

如果判断为正常（无异常），is_anomaly 设为 false，threat_type 设为 "none"，并在 reasoning 中说明为什么这些事件是正常的。


System:
你是一个智能家居安全分析 AI 助手。你的职责是分析智能家居设备的状态日志，判断是否存在安全威胁或异常情况。

你需要基于以下能力进行分析：
1. 从设备状态变化中识别异常模式
2. 结合时间、住户习惯、设备类型进行推理
3. 区分真实威胁和正常行为（减少误报）
4. 对发现的问题给出具体的风险评估和建议

所有设备基于 Matter 协议标准，设备状态通过 Cluster.Attribute 的形式报告。

## 家庭环境信息
家庭布局: 三室两厅 (3BR)
- 重点房间 living_room: 客厅主灯[dimmable_light], 客厅副灯[dimmable_light], 客厅氛围灯[onoff_light], 客厅空调[air_conditioner], 客厅温度传感器[temperature_sensor], 客厅运动传感器[occupancy_sensor], 客厅窗帘1[window_covering], 客厅窗户传感器1[contact_sensor], ... 共10个设备
- 房间 balcony: 阳台灯[onoff_light], 阳台门传感器[contact_sensor], 洗衣机[laundry_washer]
- 房间 dining_room: 餐厅灯[dimmable_light], 餐厅运动传感器[occupancy_sensor]
- 房间 entrance: 入户门锁[door_lock], 入户门传感器[contact_sensor], 玄关灯[onoff_light], 玄关运动传感器[occupancy_sensor]
- 房间 kids_room: 儿童房灯[dimmable_light], 儿童房运动传感器[occupancy_sensor], 儿童房窗帘[window_covering], 儿童房窗户传感器[contact_sensor], 儿童房温度传感器[temperature_sensor]
- 房间 kitchen: 厨房灯[onoff_light], 厨房灶具[cook_surface], 厨房烟雾报警器[smoke_co_alarm], 厨房温度传感器[temperature_sensor], 厨房窗户传感器[contact_sensor], 洗碗机[dishwasher], 厨房漏水传感器[water_leak_detector]
- 房间 master_bathroom: 主卫灯[onoff_light], 主卫运动传感器[occupancy_sensor], 主卫漏水传感器[water_leak_detector]
- 房间 master_bedroom: 主卧灯[dimmable_light], 主卧床头灯[onoff_light], 主卧空调[air_conditioner], 主卧运动传感器[occupancy_sensor], 主卧窗帘[window_covering], 主卧窗户传感器[contact_sensor], 主卧温度传感器[temperature_sensor]
- 房间 second_bathroom: 次卫灯[onoff_light], 次卫漏水传感器[water_leak_detector]
- 房间 second_bedroom: 次卧灯[dimmable_light], 次卧空调[air_conditioner], 次卧运动传感器[occupancy_sensor], 次卧窗帘[window_covering], 次卧窗户传感器[contact_sensor]

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ1
- 重点房间: living_room
- 重点设备: living_room_ac
- 已选事件数: 132

## 设备事件日志
[2026-07-19T03:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2362
[2026-07-19T03:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2373
[2026-07-19T03:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2379
[2026-07-19T03:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2390
[2026-07-19T04:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-19T04:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2408
[2026-07-19T04:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2428
[2026-07-19T04:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-07-19T05:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-07-19T05:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-07-19T05:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-19T05:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2468
[2026-07-19T06:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2469
[2026-07-19T06:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2471
[2026-07-19T06:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-19T06:00:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-19T06:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2467
[2026-07-19T06:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2487
[2026-07-19T06:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2474
[2026-07-19T06:15:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2476
[2026-07-19T06:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2490
[2026-07-19T06:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2489
[2026-07-19T06:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2485
[2026-07-19T06:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2490
[2026-07-19T06:30:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-19T06:30:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-19T06:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-07-19T06:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-07-19T06:40:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2502
[2026-07-19T06:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-07-19T06:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-07-19T06:55:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-07-19T07:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2500
[2026-07-19T07:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-19T07:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-19T07:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-07-19T07:05:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-07-19T07:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-07-19T07:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-07-19T07:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2502
[2026-07-19T07:20:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-07-19T07:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-07-19T07:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-07-19T07:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-07-19T07:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-19T07:30:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-19T07:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-07-19T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-07-19T07:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-07-19T07:45:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-07-19T07:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-07-19T07:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-19T08:00:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-19T08:00:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-19T08:00:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-19T08:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-19T08:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-19T08:10:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-07-19T08:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-19T08:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-19T08:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-19T08:25:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-07-19T08:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-07-19T08:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-19T08:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-19T08:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-07-19T08:35:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-07-19T08:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-19T08:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-19T08:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-19T08:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-19T08:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-19T09:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-19T09:00:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-19T09:00:00] living_room_ac | Event: DeviceOffline()
[2026-07-19T09:02:00] living_room_ac | Event: DeviceOnline()
[2026-07-19T09:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-19T09:08:00] living_room_ac | Event: DeviceOffline()
[2026-07-19T09:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-19T09:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-19T09:10:00] living_room_ac | Event: DeviceOnline()
[2026-07-19T09:15:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-19T09:18:00] living_room_ac | Event: DeviceOffline()
[2026-07-19T09:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-19T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-07-19T09:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-19T09:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-19T09:30:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-19T09:30:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-19T09:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-19T09:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-19T09:40:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-19T09:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-19T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-19T09:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-07-19T09:55:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-07-19T10:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-19T10:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-19T10:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-19T10:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-07-19T10:05:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-19T10:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-07-19T10:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-07-19T10:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-19T10:20:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-07-19T10:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-19T10:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-19T10:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-19T10:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-19T10:30:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-19T10:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-19T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-19T10:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-19T10:45:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-07-19T10:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-19T10:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-19T10:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-19T11:00:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-19T11:00:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-19T11:00:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-19T11:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-19T11:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-19T11:10:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-19T11:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-19T11:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-07-19T11:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-19T11:25:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-07-19T11:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-07-19T11:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-19T11:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-19T11:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-07-19T11:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536

## 任务
请结合下面的 Matter 设备日志，判断是否存在设备健康问题，并说明可能的故障类型。

请按以下 JSON 格式回答：

```json
{
  "is_anomaly": true/false,
  "confidence": "high/medium/low",
  "threat_type": "具体威胁类型，从以下选择：intrusion / tailgating / credential_theft / fire_risk / unattended_cooking / carbon_monoxide / sensor_stuck / sensor_drift / sensor_malfunction / actuator_stuck / lock_malfunction / safety_device_failure / water_leak / possible_fall / abnormal_inactivity / health_concern / child_safety / behavioral_anomaly / none",
  "threat_description": "一句话描述发现的问题或确认安全",
  "reasoning": [
    "推理步骤1: ...",
    "推理步骤2: ...",
    "推理步骤3: ..."
  ],
  "key_evidence": [
    "关键证据1",
    "关键证据2"
  ],
  "recommended_actions": [
    "建议措施1",
    "建议措施2"
  ]
}
```

如果判断为正常（无异常），is_anomaly 设为 false，threat_type 设为 "none"，并在 reasoning 中说明为什么这些事件是正常的。


System:
你是一个智能家居安全分析 AI 助手。你的职责是分析智能家居设备的状态日志，判断是否存在安全威胁或异常情况。

你需要基于以下能力进行分析：
1. 从设备状态变化中识别异常模式
2. 结合时间、住户习惯、设备类型进行推理
3. 区分真实威胁和正常行为（减少误报）
4. 对发现的问题给出具体的风险评估和建议

所有设备基于 Matter 协议标准，设备状态通过 Cluster.Attribute 的形式报告。

## 家庭环境信息
家庭布局: 三室两厅 (3BR)
- 重点房间 living_room: 客厅主灯[dimmable_light], 客厅副灯[dimmable_light], 客厅氛围灯[onoff_light], 客厅空调[air_conditioner], 客厅温度传感器[temperature_sensor], 客厅运动传感器[occupancy_sensor], 客厅窗帘1[window_covering], 客厅窗户传感器1[contact_sensor], ... 共10个设备
- 房间 balcony: 阳台灯[onoff_light], 阳台门传感器[contact_sensor], 洗衣机[laundry_washer]
- 房间 dining_room: 餐厅灯[dimmable_light], 餐厅运动传感器[occupancy_sensor]
- 房间 entrance: 入户门锁[door_lock], 入户门传感器[contact_sensor], 玄关灯[onoff_light], 玄关运动传感器[occupancy_sensor]
- 房间 kids_room: 儿童房灯[dimmable_light], 儿童房运动传感器[occupancy_sensor], 儿童房窗帘[window_covering], 儿童房窗户传感器[contact_sensor], 儿童房温度传感器[temperature_sensor]
- 房间 kitchen: 厨房灯[onoff_light], 厨房灶具[cook_surface], 厨房烟雾报警器[smoke_co_alarm], 厨房温度传感器[temperature_sensor], 厨房窗户传感器[contact_sensor], 洗碗机[dishwasher], 厨房漏水传感器[water_leak_detector]
- 房间 master_bathroom: 主卫灯[onoff_light], 主卫运动传感器[occupancy_sensor], 主卫漏水传感器[water_leak_detector]
- 房间 master_bedroom: 主卧灯[dimmable_light], 主卧床头灯[onoff_light], 主卧空调[air_conditioner], 主卧运动传感器[occupancy_sensor], 主卧窗帘[window_covering], 主卧窗户传感器[contact_sensor], 主卧温度传感器[temperature_sensor]
- 房间 second_bathroom: 次卫灯[onoff_light], 次卫漏水传感器[water_leak_detector]
- 房间 second_bedroom: 次卧灯[dimmable_light], 次卧空调[air_conditioner], 次卧运动传感器[occupancy_sensor], 次卧窗帘[window_covering], 次卧窗户传感器[contact_sensor]

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ1
- 重点房间: living_room
- 重点设备: living_room_ac
- 已选事件数: 135

## 设备事件日志
[2026-07-31T03:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2365
[2026-07-31T03:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2374
[2026-07-31T03:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2397
[2026-07-31T04:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-31T04:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2424
[2026-07-31T04:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2425
[2026-07-31T05:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-07-31T05:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2476
[2026-07-31T06:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2471
[2026-07-31T06:00:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-31T06:05:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2478
[2026-07-31T06:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2489
[2026-07-31T06:18:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T06:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2492
[2026-07-31T06:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2486
[2026-07-31T06:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2487
[2026-07-31T06:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-31T06:31:07] kids_room_window | WindowCovering.CurrentPositionLiftPercent100ths = 0
[2026-07-31T06:35:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-07-31T06:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2486
[2026-07-31T06:43:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T06:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-07-31T06:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-07-31T06:53:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T06:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-07-31T06:58:02] kitchen_light | OnOff.OnOff = True
[2026-07-31T07:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-31T07:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2502
[2026-07-31T07:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-07-31T07:13:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-07-31T07:14:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-07-31T07:16:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T07:20:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-07-31T07:23:03] kitchen_light | OnOff.OnOff = False
[2026-07-31T07:23:18] front_door_lock | DoorLock.LockState = 2
[2026-07-31T07:23:25] front_door_lock | DoorLock.LockState = 1
[2026-07-31T07:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-07-31T07:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-31T07:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-31T07:38:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T07:40:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-07-31T07:43:21] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T07:46:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T07:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-31T07:53:08] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T07:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-07-31T07:59:19] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-31T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-31T08:03:21] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T08:06:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T08:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-07-31T08:13:08] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T08:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-31T08:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-31T08:23:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T08:25:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-31T08:28:21] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T08:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-07-31T08:33:08] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T08:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-31T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-31T08:43:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T08:45:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-31T08:48:21] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T08:51:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T08:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-31T08:58:08] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T09:00:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-31T09:00:00] living_room_ac | Event: DeviceOffline()
[2026-07-31T09:02:00] living_room_ac | Event: DeviceOnline()
[2026-07-31T09:03:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T09:08:00] living_room_ac | Event: DeviceOffline()
[2026-07-31T09:08:21] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T09:10:00] living_room_ac | Event: DeviceOnline()
[2026-07-31T09:11:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T09:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-07-31T09:18:00] living_room_ac | Event: DeviceOffline()
[2026-07-31T09:18:08] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T09:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-31T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-31T09:28:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T09:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-07-31T09:31:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T09:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-31T09:38:08] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T09:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-31T09:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-31T09:48:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T09:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-31T09:53:21] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T09:56:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-31T10:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-31T10:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-31T10:08:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T10:10:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-07-31T10:13:21] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T10:16:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T10:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-31T10:23:08] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T10:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-31T10:29:19] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-31T10:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-31T10:33:21] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T10:36:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T10:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-31T10:43:08] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T10:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-31T10:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-07-31T10:53:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T10:55:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-31T10:58:21] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T11:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-31T11:03:08] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T11:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-31T11:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-31T11:13:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T11:15:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-31T11:18:21] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T11:21:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T11:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-31T11:28:08] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T11:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-31T11:33:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T11:35:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-31T11:38:21] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T11:41:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T11:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-07-31T11:48:08] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T11:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-31T11:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-31T11:58:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T12:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-07-31T12:01:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T12:08:08] dining_room_occupancy | OccupancySensing.Occupancy = 1

## 任务
根据以下传感器与设备记录，评估目标设备当前工作状态是否正常。如异常，请给出故障判断依据。

请按以下 JSON 格式回答：

```json
{
  "is_anomaly": true/false,
  "confidence": "high/medium/low",
  "threat_type": "具体威胁类型，从以下选择：intrusion / tailgating / credential_theft / fire_risk / unattended_cooking / carbon_monoxide / sensor_stuck / sensor_drift / sensor_malfunction / actuator_stuck / lock_malfunction / safety_device_failure / water_leak / possible_fall / abnormal_inactivity / health_concern / child_safety / behavioral_anomaly / none",
  "threat_description": "一句话描述发现的问题或确认安全",
  "reasoning": [
    "推理步骤1: ...",
    "推理步骤2: ...",
    "推理步骤3: ..."
  ],
  "key_evidence": [
    "关键证据1",
    "关键证据2"
  ],
  "recommended_actions": [
    "建议措施1",
    "建议措施2"
  ]
}
```

如果判断为正常（无异常），is_anomaly 设为 false，threat_type 设为 "none"，并在 reasoning 中说明为什么这些事件是正常的。


System:
你是一个智能家居安全分析 AI 助手。你的职责是分析智能家居设备的状态日志，判断是否存在安全威胁或异常情况。

你需要基于以下能力进行分析：
1. 从设备状态变化中识别异常模式
2. 结合时间、住户习惯、设备类型进行推理
3. 区分真实威胁和正常行为（减少误报）
4. 对发现的问题给出具体的风险评估和建议

所有设备基于 Matter 协议标准，设备状态通过 Cluster.Attribute 的形式报告。

## 家庭环境信息
家庭布局: 独居老人 (Elderly Living Alone)
- 重点房间 living_room: 客厅灯[dimmable_light], 客厅空调[air_conditioner], 客厅温度传感器[temperature_sensor], 客厅运动传感器[occupancy_sensor], 客厅窗帘[window_covering], 客厅窗户传感器[contact_sensor], 客厅烟雾报警器[smoke_co_alarm]
- 房间 bathroom: 卫生间灯[onoff_light], 卫生间运动传感器[occupancy_sensor], 卫生间漏水传感器[water_leak_detector]
- 房间 bedroom: 卧室灯[dimmable_light], 床头灯[onoff_light], 卧室运动传感器[occupancy_sensor], 卧室窗帘[window_covering], 卧室窗户传感器[contact_sensor], 卧室温度传感器[temperature_sensor]
- 房间 entrance: 入户门锁[door_lock], 入户门传感器[contact_sensor], 玄关灯[onoff_light], 玄关运动传感器[occupancy_sensor]
- 房间 kitchen: 厨房灯[onoff_light], 厨房灶具[cook_surface], 厨房烟雾报警器[smoke_co_alarm], 厨房温度传感器[temperature_sensor], 厨房运动传感器[occupancy_sensor], 厨房漏水传感器[water_leak_detector]

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ1
- 重点房间: living_room
- 重点设备: living_room_ac
- 已选事件数: 120

## 设备事件日志
[2026-07-15T03:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2361
[2026-07-15T03:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2368
[2026-07-15T03:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-15T03:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2387
[2026-07-15T04:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2406
[2026-07-15T04:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-07-15T05:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-07-15T05:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-07-15T05:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-15T05:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2466
[2026-07-15T06:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2478
[2026-07-15T06:04:02] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T06:09:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T06:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2479
[2026-07-15T06:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2382
[2026-07-15T06:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2483
[2026-07-15T06:24:02] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T06:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-07-15T06:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2385
[2026-07-15T06:34:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T06:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-07-15T06:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-07-15T06:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-07-15T06:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2391
[2026-07-15T06:54:46] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-15T06:59:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T07:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-07-15T07:04:02] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T07:08:00] kitchen_light | OnOff.OnOff = False
[2026-07-15T07:08:12] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T07:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-07-15T07:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-07-15T07:19:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T07:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-07-15T07:24:46] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-15T07:28:12] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T07:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2415
[2026-07-15T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-07-15T07:44:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T07:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-07-15T07:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-07-15T07:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2424
[2026-07-15T07:59:02] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-15T08:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-15T08:09:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T08:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-15T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-15T08:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-07-15T08:24:46] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-15T08:28:12] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T08:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-07-15T08:34:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T08:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-07-15T08:39:02] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T08:40:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T08:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-15T08:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-07-15T08:54:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T09:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-15T09:00:00] living_room_ac | Event: DeviceOffline()
[2026-07-15T09:02:00] living_room_ac | Event: DeviceOnline()
[2026-07-15T09:04:02] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T09:05:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T09:08:00] living_room_ac | Event: DeviceOffline()
[2026-07-15T09:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-15T09:10:00] living_room_ac | Event: DeviceOnline()
[2026-07-15T09:10:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T09:18:00] living_room_ac | Event: DeviceOffline()
[2026-07-15T09:19:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T09:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-15T09:24:02] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T09:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-15T09:30:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T09:35:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T09:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-07-15T09:44:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T09:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-15T09:49:02] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T09:50:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T09:54:46] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-15T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-15T10:00:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T10:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-07-15T10:09:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T10:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-15T10:14:02] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T10:15:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T10:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-15T10:20:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T10:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-15T10:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-07-15T10:34:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T10:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-15T10:39:02] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T10:40:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T10:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-15T10:45:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T10:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-07-15T10:54:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T10:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-07-15T11:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-15T11:04:02] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T11:05:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T11:06:30] kitchen_cook_surface | OnOff.OnOff = True
[2026-07-15T11:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-07-15T11:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-15T11:19:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T11:24:46] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-15T11:25:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T11:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-15T11:30:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T11:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2446
[2026-07-15T11:36:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-07-15T11:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-15T11:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2428
[2026-07-15T11:46:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T11:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-15T11:54:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T11:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528

## 任务
请结合下面的 Matter 设备日志，判断是否存在设备健康问题，并说明可能的故障类型。

请按以下 JSON 格式回答：

```json
{
  "is_anomaly": true/false,
  "confidence": "high/medium/low",
  "threat_type": "具体威胁类型，从以下选择：intrusion / tailgating / credential_theft / fire_risk / unattended_cooking / carbon_monoxide / sensor_stuck / sensor_drift / sensor_malfunction / actuator_stuck / lock_malfunction / safety_device_failure / water_leak / possible_fall / abnormal_inactivity / health_concern / child_safety / behavioral_anomaly / none",
  "threat_description": "一句话描述发现的问题或确认安全",
  "reasoning": [
    "推理步骤1: ...",
    "推理步骤2: ...",
    "推理步骤3: ..."
  ],
  "key_evidence": [
    "关键证据1",
    "关键证据2"
  ],
  "recommended_actions": [
    "建议措施1",
    "建议措施2"
  ]
}
```

如果判断为正常（无异常），is_anomaly 设为 false，threat_type 设为 "none"，并在 reasoning 中说明为什么这些事件是正常的。


System:
你是一个智能家居安全分析 AI 助手。你的职责是分析智能家居设备的状态日志，判断是否存在安全威胁或异常情况。

你需要基于以下能力进行分析：
1. 从设备状态变化中识别异常模式
2. 结合时间、住户习惯、设备类型进行推理
3. 区分真实威胁和正常行为（减少误报）
4. 对发现的问题给出具体的风险评估和建议

所有设备基于 Matter 协议标准，设备状态通过 Cluster.Attribute 的形式报告。

## 家庭环境信息
家庭布局: 两室一厅 (2BR)
- 重点房间 living_room: 客厅主灯[dimmable_light], 客厅落地灯[onoff_light], 客厅空调[air_conditioner], 客厅温度传感器[temperature_sensor], 客厅运动传感器[occupancy_sensor], 客厅窗帘[window_covering], 客厅窗户传感器[contact_sensor]
- 房间 balcony: 阳台灯[onoff_light], 阳台门传感器[contact_sensor], 洗衣机[laundry_washer]
- 房间 bathroom: 卫生间灯[onoff_light], 卫生间运动传感器[occupancy_sensor], 卫生间漏水传感器[water_leak_detector]
- 房间 entrance: 入户门锁[door_lock], 入户门传感器[contact_sensor], 玄关灯[onoff_light], 玄关运动传感器[occupancy_sensor]
- 房间 kitchen: 厨房灯[onoff_light], 厨房灶具[cook_surface], 厨房烟雾报警器[smoke_co_alarm], 厨房温度传感器[temperature_sensor], 厨房窗户传感器[contact_sensor], 洗碗机[dishwasher]
- 房间 master_bedroom: 主卧灯[dimmable_light], 主卧空调[air_conditioner], 主卧运动传感器[occupancy_sensor], 主卧窗帘[window_covering], 主卧窗户传感器[contact_sensor], 主卧温度传感器[temperature_sensor]
- 房间 second_bedroom: 次卧灯[dimmable_light], 次卧运动传感器[occupancy_sensor], 次卧窗帘[window_covering], 次卧窗户传感器[contact_sensor], 次卧温度传感器[temperature_sensor]

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ1
- 重点房间: living_room
- 重点设备: living_room_ac
- 已选事件数: 135

## 设备事件日志
[2026-08-15T03:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2368
[2026-08-15T03:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2372
[2026-08-15T03:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2382
[2026-08-15T03:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2392
[2026-08-15T04:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T04:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2403
[2026-08-15T04:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2419
[2026-08-15T04:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2421
[2026-08-15T04:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-08-15T05:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-08-15T05:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-08-15T05:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T05:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2467
[2026-08-15T06:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2479
[2026-08-15T06:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2471
[2026-08-15T06:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T06:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2475
[2026-08-15T06:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2472
[2026-08-15T06:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2470
[2026-08-15T06:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2479
[2026-08-15T06:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2488
[2026-08-15T06:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2495
[2026-08-15T06:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2485
[2026-08-15T06:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2484
[2026-08-15T06:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T06:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T06:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-08-15T06:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2486
[2026-08-15T06:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-08-15T06:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-08-15T06:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-08-15T06:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-08-15T07:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-08-15T07:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T07:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T07:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2499
[2026-08-15T07:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-08-15T07:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-08-15T07:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-08-15T07:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-08-15T07:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-08-15T07:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-08-15T07:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-08-15T07:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T07:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-08-15T07:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-08-15T07:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-08-15T07:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-08-15T07:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-15T07:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-08-15T07:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-15T08:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-15T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T08:00:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T08:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-15T08:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-08-15T08:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-15T08:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-15T08:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-15T08:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-15T08:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-08-15T08:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-15T08:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T08:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T08:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-15T08:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-15T08:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-15T08:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-15T08:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-15T08:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-15T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-15T09:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-15T09:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T09:00:00] living_room_ac | Event: DeviceOffline()
[2026-08-15T09:02:00] living_room_ac | Event: DeviceOnline()
[2026-08-15T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-15T09:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-15T09:08:00] living_room_ac | Event: DeviceOffline()
[2026-08-15T09:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-15T09:10:00] living_room_ac | Event: DeviceOnline()
[2026-08-15T09:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-15T09:18:00] living_room_ac | Event: DeviceOffline()
[2026-08-15T09:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-15T09:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-15T09:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-15T09:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-15T09:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T09:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T09:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-15T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-08-15T09:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-15T09:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-15T09:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-15T09:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-15T09:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-15T10:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-15T10:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T10:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T10:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-15T10:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-08-15T10:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-15T10:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-15T10:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-15T10:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-15T10:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-08-15T10:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T10:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-15T10:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-15T10:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-15T10:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-15T10:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-15T10:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-15T11:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-15T11:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T11:00:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T11:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-15T11:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-15T11:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-15T11:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-15T11:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-15T11:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-15T11:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-15T11:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T11:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T11:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-08-15T11:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-15T11:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-15T11:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-15T11:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-15T11:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-08-15T12:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-08-15T12:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-15T12:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T12:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-15T12:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524

## 任务
请结合下面的 Matter 设备日志，判断是否存在设备健康问题，并说明可能的故障类型。

请按以下 JSON 格式回答：

```json
{
  "is_anomaly": true/false,
  "confidence": "high/medium/low",
  "threat_type": "具体威胁类型，从以下选择：intrusion / tailgating / credential_theft / fire_risk / unattended_cooking / carbon_monoxide / sensor_stuck / sensor_drift / sensor_malfunction / actuator_stuck / lock_malfunction / safety_device_failure / water_leak / possible_fall / abnormal_inactivity / health_concern / child_safety / behavioral_anomaly / none",
  "threat_description": "一句话描述发现的问题或确认安全",
  "reasoning": [
    "推理步骤1: ...",
    "推理步骤2: ...",
    "推理步骤3: ..."
  ],
  "key_evidence": [
    "关键证据1",
    "关键证据2"
  ],
  "recommended_actions": [
    "建议措施1",
    "建议措施2"
  ]
}
```

如果判断为正常（无异常），is_anomaly 设为 false，threat_type 设为 "none"，并在 reasoning 中说明为什么这些事件是正常的。


System:
你是一个智能家居安全分析 AI 助手。你的职责是分析智能家居设备的状态日志，判断是否存在安全威胁或异常情况。

你需要基于以下能力进行分析：
1. 从设备状态变化中识别异常模式
2. 结合时间、住户习惯、设备类型进行推理
3. 区分真实威胁和正常行为（减少误报）
4. 对发现的问题给出具体的风险评估和建议

所有设备基于 Matter 协议标准，设备状态通过 Cluster.Attribute 的形式报告。

## 家庭环境信息
家庭布局: 三室两厅 (3BR)
- 重点房间 living_room: 客厅主灯[dimmable_light], 客厅副灯[dimmable_light], 客厅氛围灯[onoff_light], 客厅空调[air_conditioner], 客厅温度传感器[temperature_sensor], 客厅运动传感器[occupancy_sensor], 客厅窗帘1[window_covering], 客厅窗户传感器1[contact_sensor], ... 共10个设备
- 房间 balcony: 阳台灯[onoff_light], 阳台门传感器[contact_sensor], 洗衣机[laundry_washer]
- 房间 dining_room: 餐厅灯[dimmable_light], 餐厅运动传感器[occupancy_sensor]
- 房间 entrance: 入户门锁[door_lock], 入户门传感器[contact_sensor], 玄关灯[onoff_light], 玄关运动传感器[occupancy_sensor]
- 房间 kids_room: 儿童房灯[dimmable_light], 儿童房运动传感器[occupancy_sensor], 儿童房窗帘[window_covering], 儿童房窗户传感器[contact_sensor], 儿童房温度传感器[temperature_sensor]
- 房间 kitchen: 厨房灯[onoff_light], 厨房灶具[cook_surface], 厨房烟雾报警器[smoke_co_alarm], 厨房温度传感器[temperature_sensor], 厨房窗户传感器[contact_sensor], 洗碗机[dishwasher], 厨房漏水传感器[water_leak_detector]
- 房间 master_bathroom: 主卫灯[onoff_light], 主卫运动传感器[occupancy_sensor], 主卫漏水传感器[water_leak_detector]
- 房间 master_bedroom: 主卧灯[dimmable_light], 主卧床头灯[onoff_light], 主卧空调[air_conditioner], 主卧运动传感器[occupancy_sensor], 主卧窗帘[window_covering], 主卧窗户传感器[contact_sensor], 主卧温度传感器[temperature_sensor]
- 房间 second_bathroom: 次卫灯[onoff_light], 次卫漏水传感器[water_leak_detector]
- 房间 second_bedroom: 次卧灯[dimmable_light], 次卧空调[air_conditioner], 次卧运动传感器[occupancy_sensor], 次卧窗帘[window_covering], 次卧窗户传感器[contact_sensor]

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ1
- 重点房间: living_room
- 重点设备: living_room_ac
- 已选事件数: 139

## 设备事件日志
[2026-08-08T03:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2356
[2026-08-08T03:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2363
[2026-08-08T03:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2380
[2026-08-08T03:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2388
[2026-08-08T03:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2393
[2026-08-08T04:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T04:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2404
[2026-08-08T04:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2411
[2026-08-08T04:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2422
[2026-08-08T04:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-08-08T05:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-08-08T05:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-08-08T05:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T05:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-08-08T06:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2473
[2026-08-08T06:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2473
[2026-08-08T06:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T06:00:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T06:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2487
[2026-08-08T06:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2486
[2026-08-08T06:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2478
[2026-08-08T06:15:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2475
[2026-08-08T06:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2476
[2026-08-08T06:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2497
[2026-08-08T06:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2480
[2026-08-08T06:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2488
[2026-08-08T06:30:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T06:30:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T06:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2491
[2026-08-08T06:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-08-08T06:40:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-08-08T06:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2499
[2026-08-08T06:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-08-08T06:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-08-08T06:55:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-08-08T07:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2505
[2026-08-08T07:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T07:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T07:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T07:05:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2500
[2026-08-08T07:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-08-08T07:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-08-08T07:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-08-08T07:20:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-08-08T07:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-08-08T07:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-08-08T07:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-08-08T07:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T07:30:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T07:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-08-08T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-08T07:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-08-08T07:45:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-08-08T07:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-08T07:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-08-08T07:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-08-08T08:00:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-08T08:00:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T08:00:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T08:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-08T08:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-08-08T08:10:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-08T08:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-08T08:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-08T08:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-08T08:25:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-08T08:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T08:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T08:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T08:35:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-08-08T08:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-08T08:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-08T08:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-08T08:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-08T08:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-08T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-08T09:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-08T09:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T09:00:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T09:00:00] living_room_ac | Event: DeviceOffline()
[2026-08-08T09:02:00] living_room_ac | Event: DeviceOnline()
[2026-08-08T09:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-08T09:08:00] living_room_ac | Event: DeviceOffline()
[2026-08-08T09:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-08T09:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-08-08T09:10:00] living_room_ac | Event: DeviceOnline()
[2026-08-08T09:15:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-08T09:18:00] living_room_ac | Event: DeviceOffline()
[2026-08-08T09:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-08T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-08T09:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-08T09:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-08T09:30:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T09:30:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T09:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-08T09:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-08T09:40:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2559
[2026-08-08T09:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-08-08T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-08T09:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-08T09:55:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-08T10:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-08T10:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T10:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T10:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T10:05:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-08-08T10:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-08T10:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-08-08T10:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-08-08T10:20:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2559
[2026-08-08T10:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-08T10:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-08-08T10:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-08T10:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T10:30:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T10:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-08T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-08T10:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-08T10:45:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-08T10:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-08T10:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-08T10:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-08T11:00:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-08T11:00:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T11:00:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T11:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-08T11:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-08T11:10:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-08T11:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-08T11:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-08T11:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-08T11:25:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-08T11:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-08T11:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T11:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T11:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T11:35:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-08-08T11:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-08T11:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540

## 任务
请结合下面的 Matter 设备日志，判断是否存在设备健康问题，并说明可能的故障类型。

请按以下 JSON 格式回答：

```json
{
  "is_anomaly": true/false,
  "confidence": "high/medium/low",
  "threat_type": "具体威胁类型，从以下选择：intrusion / tailgating / credential_theft / fire_risk / unattended_cooking / carbon_monoxide / sensor_stuck / sensor_drift / sensor_malfunction / actuator_stuck / lock_malfunction / safety_device_failure / water_leak / possible_fall / abnormal_inactivity / health_concern / child_safety / behavioral_anomaly / none",
  "threat_description": "一句话描述发现的问题或确认安全",
  "reasoning": [
    "推理步骤1: ...",
    "推理步骤2: ...",
    "推理步骤3: ..."
  ],
  "key_evidence": [
    "关键证据1",
    "关键证据2"
  ],
  "recommended_actions": [
    "建议措施1",
    "建议措施2"
  ]
}
```

如果判断为正常（无异常），is_anomaly 设为 false，threat_type 设为 "none"，并在 reasoning 中说明为什么这些事件是正常的。


System:
你是一个智能家居安全分析 AI 助手。你的职责是分析智能家居设备的状态日志，判断是否存在安全威胁或异常情况。

你需要基于以下能力进行分析：
1. 从设备状态变化中识别异常模式
2. 结合时间、住户习惯、设备类型进行推理
3. 区分真实威胁和正常行为（减少误报）
4. 对发现的问题给出具体的风险评估和建议

所有设备基于 Matter 协议标准，设备状态通过 Cluster.Attribute 的形式报告。

## 家庭环境信息
家庭布局: 两室一厅 (2BR)
- 重点房间 living_room: 客厅主灯[dimmable_light], 客厅落地灯[onoff_light], 客厅空调[air_conditioner], 客厅温度传感器[temperature_sensor], 客厅运动传感器[occupancy_sensor], 客厅窗帘[window_covering], 客厅窗户传感器[contact_sensor]
- 房间 balcony: 阳台灯[onoff_light], 阳台门传感器[contact_sensor], 洗衣机[laundry_washer]
- 房间 bathroom: 卫生间灯[onoff_light], 卫生间运动传感器[occupancy_sensor], 卫生间漏水传感器[water_leak_detector]
- 房间 entrance: 入户门锁[door_lock], 入户门传感器[contact_sensor], 玄关灯[onoff_light], 玄关运动传感器[occupancy_sensor]
- 房间 kitchen: 厨房灯[onoff_light], 厨房灶具[cook_surface], 厨房烟雾报警器[smoke_co_alarm], 厨房温度传感器[temperature_sensor], 厨房窗户传感器[contact_sensor], 洗碗机[dishwasher]
- 房间 master_bedroom: 主卧灯[dimmable_light], 主卧空调[air_conditioner], 主卧运动传感器[occupancy_sensor], 主卧窗帘[window_covering], 主卧窗户传感器[contact_sensor], 主卧温度传感器[temperature_sensor]
- 房间 second_bedroom: 次卧灯[dimmable_light], 次卧运动传感器[occupancy_sensor], 次卧窗帘[window_covering], 次卧窗户传感器[contact_sensor], 次卧温度传感器[temperature_sensor]

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ1
- 重点房间: living_room
- 重点设备: living_room_ac
- 已选事件数: 127

## 设备事件日志
[2026-08-14T03:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2359
[2026-08-14T03:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2366
[2026-08-14T03:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T03:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2384
[2026-08-14T04:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2398
[2026-08-14T04:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2408
[2026-08-14T04:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2429
[2026-08-14T05:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-08-14T05:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-08-14T05:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T05:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2474
[2026-08-14T06:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2474
[2026-08-14T06:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T06:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2470
[2026-08-14T06:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2490
[2026-08-14T06:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2473
[2026-08-14T06:17:08] master_bedroom_light | OnOff.OnOff = True
[2026-08-14T06:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2480
[2026-08-14T06:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2488
[2026-08-14T06:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2488
[2026-08-14T06:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T06:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2500
[2026-08-14T06:37:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T06:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2499
[2026-08-14T06:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2502
[2026-08-14T06:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-08-14T06:53:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-08-14T06:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2505
[2026-08-14T07:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-08-14T07:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T07:00:04] kitchen_light | OnOff.OnOff = True
[2026-08-14T07:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-08-14T07:07:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T07:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-08-14T07:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2505
[2026-08-14T07:16:26] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-08-14T07:16:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T07:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-08-14T07:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-08-14T07:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-08-14T07:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T07:32:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T07:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-08-14T07:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-08-14T07:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-14T07:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-08-14T07:52:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T07:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-08-14T08:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-14T08:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T08:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-08-14T08:06:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T08:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-08-14T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-14T08:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-14T08:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-08-14T08:26:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T08:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-14T08:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T08:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-14T08:37:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T08:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-14T08:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-14T08:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-14T08:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-14T08:57:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T09:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-14T09:00:00] living_room_ac | Event: DeviceOffline()
[2026-08-14T09:01:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T09:02:00] living_room_ac | Event: DeviceOnline()
[2026-08-14T09:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-14T09:08:00] living_room_ac | Event: DeviceOffline()
[2026-08-14T09:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-14T09:10:00] living_room_ac | Event: DeviceOnline()
[2026-08-14T09:18:00] living_room_ac | Event: DeviceOffline()
[2026-08-14T09:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-14T09:21:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T09:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-14T09:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-14T09:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T09:32:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T09:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-14T09:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-14T09:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-14T09:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-14T09:52:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T09:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-14T10:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-14T10:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T10:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-08-14T10:06:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T10:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-14T10:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-14T10:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-14T10:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-14T10:26:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T10:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-08-14T10:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T10:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-14T10:37:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T10:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-14T10:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-14T10:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-14T10:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-14T10:57:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T11:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-14T11:01:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T11:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-14T11:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-14T11:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-14T11:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-14T11:21:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T11:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-14T11:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-14T11:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T11:32:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T11:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-14T11:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-08-14T11:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-14T11:52:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T11:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-14T12:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-14T12:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T12:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-08-14T12:06:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T12:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-08-14T12:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523

## 任务
请结合下面的 Matter 设备日志，判断是否存在设备健康问题，并说明可能的故障类型。

请按以下 JSON 格式回答：

```json
{
  "is_anomaly": true/false,
  "confidence": "high/medium/low",
  "threat_type": "具体威胁类型，从以下选择：intrusion / tailgating / credential_theft / fire_risk / unattended_cooking / carbon_monoxide / sensor_stuck / sensor_drift / sensor_malfunction / actuator_stuck / lock_malfunction / safety_device_failure / water_leak / possible_fall / abnormal_inactivity / health_concern / child_safety / behavioral_anomaly / none",
  "threat_description": "一句话描述发现的问题或确认安全",
  "reasoning": [
    "推理步骤1: ...",
    "推理步骤2: ...",
    "推理步骤3: ..."
  ],
  "key_evidence": [
    "关键证据1",
    "关键证据2"
  ],
  "recommended_actions": [
    "建议措施1",
    "建议措施2"
  ]
}
```

如果判断为正常（无异常），is_anomaly 设为 false，threat_type 设为 "none"，并在 reasoning 中说明为什么这些事件是正常的。