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, living_room_temp_sensor
- 已选事件数: 123

## 设备事件日志
[2026-08-17T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2273
[2026-08-17T07:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2502
[2026-08-17T07:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-08-17T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-08-17T08:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-17T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-17T08:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T08:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-17T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-17T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-17T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-17T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-08-17T10:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T10:04:24] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T10:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-17T10:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-17T10:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-17T10:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-08-17T10:24:24] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T10:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-17T10:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-17T10:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T10:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-17T10:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-17T10:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-17T10:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-17T10:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-17T10:55:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T11:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-17T11:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T11:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-17T11:09:24] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T11:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-17T11:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-17T11:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-17T11:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-17T11:29:24] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T11:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-17T11:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T11:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-17T11:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-17T11:40:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T11:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-08-17T11:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-17T12:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-17T12:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T12:04:24] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T12:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-17T12:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-08-17T12:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-08-17T12:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-08-17T12:24:24] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T12:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-08-17T12:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-08-17T12:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T12:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-08-17T12:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-08-17T12:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-08-17T12:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-08-17T12:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-08-17T12:55:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T13:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-08-17T13:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T13:00:00] living_room_ac | OnOff.OnOff = True
[2026-08-17T13:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-08-17T13:09:24] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T13:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-08-17T13:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-08-17T13:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2920
[2026-08-17T13:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2492
[2026-08-17T13:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-08-17T13:29:24] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T13:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2482
[2026-08-17T13:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T13:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2481
[2026-08-17T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2940
[2026-08-17T13:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-08-17T13:40:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T13:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-08-17T13:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2490
[2026-08-17T13:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2468
[2026-08-17T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2960
[2026-08-17T14:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2476
[2026-08-17T14:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T14:04:24] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T14:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2465
[2026-08-17T14:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2460
[2026-08-17T14:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2467
[2026-08-17T14:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2471
[2026-08-17T14:24:24] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T14:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2466
[2026-08-17T14:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-08-17T14:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T14:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2449
[2026-08-17T14:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-08-17T14:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2443
[2026-08-17T14:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-08-17T14:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-08-17T14:55:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T15:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-08-17T15:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T15:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-08-17T15:09:24] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T15:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-08-17T15:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-08-17T15:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-08-17T15:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2423
[2026-08-17T15:29:24] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T15:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2414
[2026-08-17T15:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T15:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2421
[2026-08-17T15:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2413
[2026-08-17T15:40:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T15:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2413
[2026-08-17T15:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2407
[2026-08-17T16:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2406
[2026-08-17T16:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T16:04:24] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T16:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2404
[2026-08-17T16:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2394
[2026-08-17T16:14:00] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-08-17T16:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2390
[2026-08-17T16:15:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1

## 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。

Chosen response:
{
  "is_anomaly": true,
  "confidence": "medium",
  "threat_type": "sensor_malfunction",
  "threat_description": "空调运行但温度不下降",
  "reasoning": [
    "推理步骤1: 空调已开启",
    "推理步骤2: 室温没有向设定值靠近",
    "推理步骤3: 多个采样点都显示反向趋势"
  ],
  "key_evidence": [
    "空调已开启",
    "室温没有向设定值靠近",
    "多个采样点都显示反向趋势"
  ],
  "recommended_actions": [
    "判断为空调侧制冷失效或相关传感异常，建议检修。"
  ]
}

Rejected response:
{
  "is_anomaly": true,
  "confidence": "low",
  "threat_type": "intrusion",
  "threat_description": "存在异常，但原因更可能属于其他类别。",
  "reasoning": [
    "推理步骤1: 日志里有异常，但我把它归因为另一类威胁。"
  ],
  "key_evidence": [
    "空调已开启"
  ],
  "recommended_actions": [
    "建议按该错误类别处理。"
  ]
}


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: bedroom_light
- 已选事件数: 116

## 设备事件日志
[2026-08-11T05:39:06] bedroom_light | OnOff.OnOff = True
[2026-08-11T14:17:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T14:37:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T14:57:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T15:17:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T15:37:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T15:57:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T16:17:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T16:37:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T16:57:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T17:12:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T17:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2349
[2026-08-11T17:17:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T17:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2252
[2026-08-11T17:23:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T17:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2350
[2026-08-11T17:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2351
[2026-08-11T17:34:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T17:37:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T17:40:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-08-11T17:41:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-08-11T17:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2338
[2026-08-11T17:52:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T17:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2236
[2026-08-11T17:57:57] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-11T18:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2228
[2026-08-11T18:03:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T18:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2324
[2026-08-11T18:09:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T18:12:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T18:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2323
[2026-08-11T18:17:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T18:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2221
[2026-08-11T18:23:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T18:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2310
[2026-08-11T18:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2319
[2026-08-11T18:34:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T18:37:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T18:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2309
[2026-08-11T18:42:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T18:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2194
[2026-08-11T18:48:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T18:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2291
[2026-08-11T18:54:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T18:57:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T19:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2293
[2026-08-11T19:07:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T19:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2186
[2026-08-11T19:13:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T19:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2290
[2026-08-11T19:19:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T19:22:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T19:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2276
[2026-08-11T19:27:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T19:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2278
[2026-08-11T19:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2182
[2026-08-11T19:38:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T19:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2171
[2026-08-11T19:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2284
[2026-08-11T19:49:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T19:50:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T19:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2264
[2026-08-11T19:57:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T20:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2261
[2026-08-11T20:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2178
[2026-08-11T20:08:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T20:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2266
[2026-08-11T20:10:00] bedroom_light | OnOff.OnOff = False
[2026-08-11T20:10:00] bedroom_light | LevelControl.CurrentLevel = 180
[2026-08-11T20:12:00] bedroom_light | OnOff.OnOff = False
[2026-08-11T20:14:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T20:15:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T20:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2265
[2026-08-11T20:22:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T20:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2153
[2026-08-11T20:27:57] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-11T20:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2162
[2026-08-11T20:33:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T20:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2254
[2026-08-11T20:35:04] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T20:35:16] front_door_lock | Event: LockOperation(LockOperationType=0, OperationSource=Manual)
[2026-08-11T20:35:31] bedroom_light | OnOff.OnOff = False
[2026-08-11T20:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2259
[2026-08-11T20:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2150
[2026-08-11T20:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2258
[2026-08-11T20:54:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T20:55:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T21:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2253
[2026-08-11T21:00:10] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T21:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2159
[2026-08-11T21:05:40] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-11T21:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2146
[2026-08-11T21:13:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T21:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2248
[2026-08-11T21:19:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T21:20:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T21:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2254
[2026-08-11T21:25:10] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T21:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2148
[2026-08-11T21:33:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T21:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2250
[2026-08-11T21:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2244
[2026-08-11T21:44:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T21:45:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T21:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2250
[2026-08-11T21:50:10] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T21:58:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T22:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2249
[2026-08-11T22:04:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T22:05:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T22:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2251
[2026-08-11T22:15:10] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T22:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2149
[2026-08-11T22:23:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T22:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2252
[2026-08-11T22:29:03] entrance_occupancy | OccupancySensing.Occupancy = 1

## 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。

Chosen response:
{
  "is_anomaly": true,
  "confidence": "medium",
  "threat_type": "actuator_stuck",
  "threat_description": "灯的 OnOff 与 Level 矛盾",
  "reasoning": [
    "推理步骤1: 同一时刻 OnOff=False 但亮度非零",
    "推理步骤2: 矛盾状态持续而非瞬时",
    "推理步骤3: 更像执行/上报故障"
  ],
  "key_evidence": [
    "同一时刻 OnOff=False 但亮度非零",
    "矛盾状态持续而非瞬时",
    "更像执行/上报故障"
  ],
  "recommended_actions": [
    "判断为灯具状态机异常，建议检查执行器或状态同步。"
  ]
}

Rejected response:
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "actuator_stuck",
  "threat_description": "灯的 OnOff 与 Level 矛盾",
  "reasoning": [
    "推理步骤1: 日志中出现了不存在的额外报警事件。"
  ],
  "key_evidence": [
    "我假设看到了一个未在日志中出现的 critical 告警。"
  ],
  "recommended_actions": [
    "判断为灯具状态机异常，建议检查执行器或状态同步。"
  ]
}


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: 一室一厅 (Studio/1BR)
- 重点房间 living_room: 客厅主灯[dimmable_light], 客厅台灯[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 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], 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]
- 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]

## 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_window, living_room_window_contact
- 已选事件数: 126

## 设备事件日志
[2026-07-22T03:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2368
[2026-07-22T03:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2381
[2026-07-22T03:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2382
[2026-07-22T03:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2375
[2026-07-22T03:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2398
[2026-07-22T03:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2392
[2026-07-22T04:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T04:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2401
[2026-07-22T04:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2406
[2026-07-22T04:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2413
[2026-07-22T04:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2416
[2026-07-22T04:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2422
[2026-07-22T04:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-07-22T05:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T05:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2455
[2026-07-22T05:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-07-22T05:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-07-22T05:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-07-22T05:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2472
[2026-07-22T05:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2473
[2026-07-22T06:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T06:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2487
[2026-07-22T06:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2489
[2026-07-22T06:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2389
[2026-07-22T06:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-07-22T06:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2479
[2026-07-22T06:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2395
[2026-07-22T06:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-07-22T06:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2500
[2026-07-22T06:30:00] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T06:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2500
[2026-07-22T06:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-07-22T06:38:05] bathroom_light | OnOff.OnOff = True
[2026-07-22T06:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2495
[2026-07-22T06:40:15] bedroom_window | WindowCovering.CurrentPositionLiftPercent100ths = 0
[2026-07-22T06:43:05] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T06:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2398
[2026-07-22T06:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2410
[2026-07-22T06:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2397
[2026-07-22T07:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2412
[2026-07-22T07:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T07:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-07-22T07:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-07-22T07:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-07-22T07:13:00] bathroom_light | OnOff.OnOff = False
[2026-07-22T07:13:09] kitchen_light | OnOff.OnOff = True
[2026-07-22T07:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-07-22T07:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-07-22T07:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2406
[2026-07-22T07:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-07-22T07:28:03] bedroom_light | OnOff.OnOff = False
[2026-07-22T07:28:17] front_door_lock | DoorLock.LockState = 2
[2026-07-22T07:28:27] front_door_contact | BooleanState.StateValue = True
[2026-07-22T07:28:28] front_door_lock | DoorLock.LockState = 1
[2026-07-22T07:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2424
[2026-07-22T07:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T07:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2412
[2026-07-22T07:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-07-22T07:43:58] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T07:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-07-22T07:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-07-22T07:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-07-22T07:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2434
[2026-07-22T08:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-07-22T08:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-07-22T08:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-07-22T08:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-07-22T08:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2429
[2026-07-22T08:10:50] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-07-22T08:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-22T08:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-07-22T08:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-07-22T08:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-22T08:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-07-22T08:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-22T08:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-07-22T08:43:58] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T08:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-07-22T08:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-22T08:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-22T08:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-07-22T09:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-22T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-22T09:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-07-22T09:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2449
[2026-07-22T09:10:00] living_room_window | WindowCovering.CurrentPositionLiftPercent100ths = 0
[2026-07-22T09:10:00] living_room_window_contact | BooleanState.StateValue = True
[2026-07-22T09:10:50] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T09:12:00] living_room_window_contact | BooleanState.StateValue = False
[2026-07-22T09:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-07-22T09:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-22T09:15:00] living_room_window | WindowCovering.CurrentPositionLiftPercent100ths = 0
[2026-07-22T09:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-07-22T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-22T09:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-07-22T09:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T09:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-07-22T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-07-22T09:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-07-22T09:43:58] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T09:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-07-22T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-22T09:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-22T09:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2458
[2026-07-22T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-22T10:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-22T10:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-07-22T10:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2459
[2026-07-22T10:10:50] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T10:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-22T10:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2442
[2026-07-22T10:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-22T10:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-22T10:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2446
[2026-07-22T10:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-22T10:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-22T10:43:58] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T10:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-07-22T10:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-22T10:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-22T11:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-22T11:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-22T11:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534

## 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。

Chosen response:
{
  "is_anomaly": true,
  "confidence": "medium",
  "threat_type": "sensor_malfunction",
  "threat_description": "门窗传感器状态与窗帘位置矛盾",
  "reasoning": [
    "推理步骤1: 窗户/窗帘相关状态前后矛盾",
    "推理步骤2: 没有配套的合理位置变化",
    "推理步骤3: 更像传感链路异常"
  ],
  "key_evidence": [
    "窗户/窗帘相关状态前后矛盾",
    "没有配套的合理位置变化",
    "更像传感链路异常"
  ],
  "recommended_actions": [
    "判断为开闭状态感知异常，建议检查相关传感器。"
  ]
}

Rejected response:
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "门窗传感器状态与窗帘位置矛盾",
  "reasoning": [
    "推理步骤1: 日志中出现了不存在的额外报警事件。"
  ],
  "key_evidence": [
    "我假设看到了一个未在日志中出现的 critical 告警。"
  ],
  "recommended_actions": [
    "判断为开闭状态感知异常，建议检查相关传感器。"
  ]
}


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: bedroom_temp_sensor, living_room_temp_sensor
- 已选事件数: 130

## 设备事件日志
[2026-08-04T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2263
[2026-08-04T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-04T09:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-04T09:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-04T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-04T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-04T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-08-04T10:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-04T10:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-04T10:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-04T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-04T10:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-04T11:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-04T11:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-04T11:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-04T11:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-08-04T11:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-08-04T12:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-08-04T12:03:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T12:08:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T12:12:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T12:15:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T12:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-08-04T12:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2410
[2026-08-04T12:28:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T12:33:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T12:37:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T12:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-08-04T12:48:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T12:53:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T12:55:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T13:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2407
[2026-08-04T13:09:10] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T13:13:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T13:18:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T13:20:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T13:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2499
[2026-08-04T13:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2497
[2026-08-04T13:34:10] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T13:38:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T13:43:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T13:45:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T13:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2470
[2026-08-04T13:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2386
[2026-08-04T14:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2474
[2026-08-04T14:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2373
[2026-08-04T14:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2460
[2026-08-04T14:18:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T14:21:13] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T14:25:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T14:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-08-04T14:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2349
[2026-08-04T14:43:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T14:46:13] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T14:51:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T14:55:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T15:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2333
[2026-08-04T15:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2410
[2026-08-04T15:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2420
[2026-08-04T15:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2443
[2026-08-04T15:08:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T15:11:13] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T15:16:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T15:20:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T15:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2428
[2026-08-04T15:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2419
[2026-08-04T15:33:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T15:36:13] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T15:41:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T15:45:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T15:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2400
[2026-08-04T15:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2306
[2026-08-04T15:58:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T16:01:13] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T16:06:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T16:10:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T16:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2388
[2026-08-04T16:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2289
[2026-08-04T16:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2374
[2026-08-04T16:26:13] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T16:31:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T16:35:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T16:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2373
[2026-08-04T16:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2267
[2026-08-04T16:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2365
[2026-08-04T16:53:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T16:56:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T17:00:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T17:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-08-04T17:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2920
[2026-08-04T17:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2365
[2026-08-04T17:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2360
[2026-08-04T17:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2249
[2026-08-04T17:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2339
[2026-08-04T17:28:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T17:31:13] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T17:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2237
[2026-08-04T17:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2338
[2026-08-04T17:43:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T17:48:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T17:51:13] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T17:55:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T18:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2219
[2026-08-04T18:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2333
[2026-08-04T18:08:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T18:13:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T18:16:13] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T18:21:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T18:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2304
[2026-08-04T18:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2313
[2026-08-04T18:33:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T18:38:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T18:41:13] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T18:46:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T18:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2305
[2026-08-04T18:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2194
[2026-08-04T18:58:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T19:03:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T19:06:13] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T19:11:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T19:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2289
[2026-08-04T19:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2176
[2026-08-04T19:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2277
[2026-08-04T19:28:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T19:31:13] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T19:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2175
[2026-08-04T19:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2276
[2026-08-04T19:48:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T19:53:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T19:55:00] bathroom_occupancy | OccupancySensing.Occupancy = 0

## 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。

Chosen response:
{
  "is_anomaly": true,
  "confidence": "medium",
  "threat_type": "sensor_drift",
  "threat_description": "相邻房间温度读数差异突然增大",
  "reasoning": [
    "推理步骤1: 初始两房间读数相近",
    "推理步骤2: 后续只有一侧突增",
    "推理步骤3: 差值异常扩大不符合同户环境"
  ],
  "key_evidence": [
    "初始两房间读数相近",
    "后续只有一侧突增",
    "差值异常扩大不符合同户环境"
  ],
  "recommended_actions": [
    "判断为传感器漂移或局部测量故障。"
  ]
}

Rejected response:
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_drift",
  "threat_description": "相邻房间温度读数差异突然增大",
  "reasoning": [
    "推理步骤1: 日志中出现了不存在的额外报警事件。"
  ],
  "key_evidence": [
    "我假设看到了一个未在日志中出现的 critical 告警。"
  ],
  "recommended_actions": [
    "判断为传感器漂移或局部测量故障。"
  ]
}


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: bedroom_occupancy
- 已选事件数: 122

## 设备事件日志
[2026-08-09T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2263
[2026-08-09T00:00:00] kitchen_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T00:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2264
[2026-08-09T00:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2172
[2026-08-09T00:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2288
[2026-08-09T00:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2278
[2026-08-09T00:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T00:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2176
[2026-08-09T00:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2296
[2026-08-09T00:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2290
[2026-08-09T01:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T01:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T01:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2206
[2026-08-09T01:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2295
[2026-08-09T01:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2298
[2026-08-09T01:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2214
[2026-08-09T01:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T01:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2320
[2026-08-09T01:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2323
[2026-08-09T01:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2228
[2026-08-09T02:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T02:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2328
[2026-08-09T02:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2330
[2026-08-09T02:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2239
[2026-08-09T02:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2343
[2026-08-09T02:30:00] kitchen_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T02:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2347
[2026-08-09T02:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2247
[2026-08-09T02:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2361
[2026-08-09T03:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2365
[2026-08-09T03:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T03:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T03:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2272
[2026-08-09T03:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2383
[2026-08-09T03:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2381
[2026-08-09T03:30:00] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T03:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2287
[2026-08-09T03:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2395
[2026-08-09T03:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2401
[2026-08-09T04:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2306
[2026-08-09T04:00:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T04:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2398
[2026-08-09T04:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2408
[2026-08-09T04:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2313
[2026-08-09T04:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T04:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2421
[2026-08-09T04:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-08-09T04:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2327
[2026-08-09T05:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-08-09T05:00:00] kitchen_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T05:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T05:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-08-09T05:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2343
[2026-08-09T05:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-08-09T05:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2458
[2026-08-09T05:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T05:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-08-09T05:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2366
[2026-08-09T05:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2363
[2026-08-09T05:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2361
[2026-08-09T05:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2467
[2026-08-09T05:55:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T06:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2466
[2026-08-09T06:15:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T06:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2488
[2026-08-09T06:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-08-09T06:37:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-08-09T06:40:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T06:58:07] front_door_lock | DoorLock.LockState = 2
[2026-08-09T06:58:10] front_door_lock | DoorLock.LockState = 1
[2026-08-09T07:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T07:00:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T07:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-08-09T07:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2419
[2026-08-09T07:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-08-09T07:18:10] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T07:21:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T07:25:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T07:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2429
[2026-08-09T07:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-08-09T07:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2420
[2026-08-09T07:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-09T07:56:09] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T08:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-08-09T08:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-09T08:13:10] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T08:16:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T08:20:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T08:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-09T08:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-09T08:32:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T08:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-08-09T08:46:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T08:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-09T08:56:09] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T09:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-09T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-09T09:07:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T09:10:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T09:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2449
[2026-08-09T09:17:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T09:21:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T09:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-09T09:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-09T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-09T09:42:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T09:45:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T09:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-08-09T09:52:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T09:56:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T10:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2458
[2026-08-09T10:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-09T10:22:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T10:31:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-09T10:47:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T10:56:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T11:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-09T11:12:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T11:21:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T11:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543

## 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。

Chosen response:
{
  "is_anomaly": true,
  "confidence": "medium",
  "threat_type": "sensor_stuck",
  "threat_description": "运动传感器持续报 Occupied",
  "reasoning": [
    "推理步骤1: 同一传感器跨长时间持续 Occupied",
    "推理步骤2: 缺少合理的人体移动链路",
    "推理步骤3: 更像卡死而非真实活动"
  ],
  "key_evidence": [
    "同一传感器跨长时间持续 Occupied",
    "缺少合理的人体移动链路",
    "更像卡死而非真实活动"
  ],
  "recommended_actions": [
    "判断为占用传感器卡死，建议检修或重置。"
  ]
}

Rejected response:
{
  "is_anomaly": true,
  "confidence": "low",
  "threat_type": "intrusion",
  "threat_description": "存在异常，但原因更可能属于其他类别。",
  "reasoning": [
    "推理步骤1: 日志里有异常，但我把它归因为另一类威胁。"
  ],
  "key_evidence": [
    "同一传感器跨长时间持续 Occupied"
  ],
  "recommended_actions": [
    "建议按该错误类别处理。"
  ]
}


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_temp_sensor
- 已选事件数: 124

## 设备事件日志
[2026-08-18T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2281
[2026-08-18T08:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-18T08:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-18T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-18T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-18T09:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-18T09:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-08-18T10:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-18T10:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-18T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-18T11:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-18T11:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T11:00:13] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T11:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-18T11:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-18T11:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-18T11:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-18T11:20:13] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T11:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-18T11:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-18T11:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T11:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-18T11:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-18T11:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-18T11:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-18T11:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-18T11:55:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T12:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-18T12:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T12:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-08-18T12:05:13] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T12:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-08-18T12:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-08-18T12:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-08-18T12:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-08-18T12:25:13] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T12:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-08-18T12:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T12:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-08-18T12:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-08-18T12:40:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T12:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-08-18T12:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-08-18T12:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-08-18T13:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-08-18T13:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T13:00:13] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T13:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-08-18T13:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2497
[2026-08-18T13:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-08-18T13:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2488
[2026-08-18T13:20:13] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T13:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2488
[2026-08-18T13:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2500
[2026-08-18T13:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-08-18T13:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2495
[2026-08-18T13:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2487
[2026-08-18T13:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2485
[2026-08-18T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2472
[2026-08-18T13:55:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T14:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2466
[2026-08-18T14:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T14:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-08-18T14:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2474
[2026-08-18T14:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = -500
[2026-08-18T14:05:13] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T14:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2469
[2026-08-18T14:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-08-18T14:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2464
[2026-08-18T14:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2472
[2026-08-18T14:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-08-18T14:25:13] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T14:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2449
[2026-08-18T14:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T14:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-08-18T14:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2460
[2026-08-18T14:40:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T14:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-08-18T14:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-08-18T14:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-08-18T15:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-08-18T15:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T15:00:13] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T15:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-08-18T15:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2434
[2026-08-18T15:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2425
[2026-08-18T15:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-08-18T15:20:13] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T15:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-08-18T15:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2426
[2026-08-18T15:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T15:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2411
[2026-08-18T15:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2416
[2026-08-18T15:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2415
[2026-08-18T15:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2413
[2026-08-18T15:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2403
[2026-08-18T15:55:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T16:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2397
[2026-08-18T16:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T16:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2388
[2026-08-18T16:05:13] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T16:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2389
[2026-08-18T16:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2381
[2026-08-18T16:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2386
[2026-08-18T16:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2379
[2026-08-18T16:29:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T16:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2382
[2026-08-18T16:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T16:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2382
[2026-08-18T16:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2369
[2026-08-18T16:40:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T16:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2375
[2026-08-18T16:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2370
[2026-08-18T16:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2358
[2026-08-18T17:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2368
[2026-08-18T17:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T17:04:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T17:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2353
[2026-08-18T17:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2351
[2026-08-18T17:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2361
[2026-08-18T17:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T17:42:12] living_room_light_1 | OnOff.OnOff = True

## 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。

Chosen response:
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "温度读数出现物理不可能跳变",
  "reasoning": [
    "推理步骤1: 温度瞬时跳到不合理值",
    "推理步骤2: 随后又回到正常范围",
    "推理步骤3: 典型测量错误或通信故障"
  ],
  "key_evidence": [
    "温度瞬时跳到不合理值",
    "随后又回到正常范围",
    "典型测量错误或通信故障"
  ],
  "recommended_actions": [
    "标记为温度传感器异常跳变，建议检查硬件或链路。"
  ]
}

Rejected response:
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "温度读数出现物理不可能跳变",
  "reasoning": [
    "推理步骤1: 日志中出现了不存在的额外报警事件。"
  ],
  "key_evidence": [
    "我假设看到了一个未在日志中出现的 critical 告警。"
  ],
  "recommended_actions": [
    "标记为温度传感器异常跳变，建议检查硬件或链路。"
  ]
}


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 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 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 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: balcony
- 重点设备: balcony_laundry_washer
- 已选事件数: 120

## 设备事件日志
[2026-07-21T07:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-07-21T07:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-21T07:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-07-21T07:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-07-21T07:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-07-21T07:13:08] master_bedroom_light | OnOff.OnOff = False
[2026-07-21T07:13:21] front_door_contact | BooleanState.StateValue = True
[2026-07-21T07:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-07-21T07:15:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-21T07:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-07-21T07:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-07-21T07:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-07-21T07:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-21T07:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-07-21T07:38:22] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-21T07:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-07-21T07:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-07-21T07:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-07-21T07:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-07-21T07:58:22] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-21T08:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-21T08:00:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-21T08:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-21T08:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-21T08:10:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-21T08:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-07-21T08:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-07-21T08:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-07-21T08:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-21T08:33:22] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-21T08:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-21T08:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-21T08:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-21T08:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-21T08:53:22] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-21T08:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-21T09:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-21T09:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-21T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-21T09:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-21T09:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-21T09:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-07-21T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-21T09:25:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-21T09:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-21T09:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-21T09:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-07-21T09:38:22] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-21T09:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-21T09:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-21T09:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-21T09:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-21T09:58:22] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-21T10:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-07-21T10:00:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-21T10:00:00] balcony_laundry_washer | OperationalState.OperationalState = 1
[2026-07-21T10:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-21T10:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-07-21T10:10:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-21T10:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-21T10:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-21T10:20:00] balcony_laundry_washer | OperationalState.CountdownTime = 2400
[2026-07-21T10:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-21T10:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-21T10:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-21T10:33:22] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-21T10:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-21T10:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-21T10:40:00] balcony_laundry_washer | OperationalState.CountdownTime = 2400
[2026-07-21T10:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-21T10:53:22] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-21T10:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-21T11:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-21T11:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-21T11:00:00] balcony_laundry_washer | OperationalState.CountdownTime = 2400
[2026-07-21T11:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-21T11:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-21T11:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-21T11:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-21T11:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-07-21T11:25:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-21T11:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-07-21T11:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-21T11:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-21T11:38:22] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-21T11:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-21T11:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-07-21T11:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-21T11:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-21T11:58:22] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-21T12:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-07-21T12:00:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-21T12:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-07-21T12:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-07-21T12:10:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-21T12:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-07-21T12:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-07-21T12:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-07-21T12:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-07-21T12:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-21T12:33:22] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-21T12:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-07-21T12:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-07-21T12:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-07-21T12:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-07-21T12:53:22] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-21T12:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-07-21T13:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-21T13:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-07-21T13:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-07-21T13:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2495
[2026-07-21T13:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2489
[2026-07-21T13:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2483
[2026-07-21T13:25:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-21T13:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-07-21T13:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-21T13:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2481
[2026-07-21T13:38:22] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-21T13:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2488
[2026-07-21T13:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2492

## 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。

Chosen response:
{
  "is_anomaly": true,
  "confidence": "medium",
  "threat_type": "sensor_malfunction",
  "threat_description": "洗衣机运行但倒计时不减少",
  "reasoning": [
    "推理步骤1: 运行状态为 Running",
    "推理步骤2: 倒计时连续多个采样点不变",
    "推理步骤3: 与正常过程矛盾"
  ],
  "key_evidence": [
    "运行状态为 Running",
    "倒计时连续多个采样点不变",
    "与正常过程矛盾"
  ],
  "recommended_actions": [
    "标记为运行状态/计时链路异常，建议检查洗衣机控制模块。"
  ]
}

Rejected response:
{
  "is_anomaly": false,
  "confidence": "medium",
  "threat_type": "none",
  "threat_description": "这些变化仍可视为正常波动。",
  "reasoning": [
    "推理步骤1: 没有看到必须报警的直接证据。"
  ],
  "key_evidence": [
    "设备状态变化幅度看起来仍在可接受范围内。"
  ],
  "recommended_actions": [
    "保持观察即可。"
  ]
}