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: bedroom_temp_sensor, living_room_temp_sensor
- 已选事件数: 133

## 设备事件日志
[2026-07-27T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2272
[2026-07-27T08:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-07-27T09:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T09:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-07-27T09:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-07-27T09:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-07-27T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-27T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-27T10:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-07-27T10:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2449
[2026-07-27T10:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2443
[2026-07-27T10:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-27T10:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-27T10:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-07-27T11:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T11:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-07-27T11:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-07-27T11:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-07-27T11:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-27T11:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-07-27T12:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-07-27T12:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-27T12:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-07-27T12:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-07-27T12:22:59] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T12:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-07-27T12:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T12:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-07-27T12:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2419
[2026-07-27T12:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-07-27T12:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2406
[2026-07-27T13:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-07-27T13:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-07-27T13:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-07-27T13:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2390
[2026-07-27T13:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2497
[2026-07-27T13:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2383
[2026-07-27T13:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2482
[2026-07-27T13:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2484
[2026-07-27T13:53:23] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T14:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2474
[2026-07-27T14:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2467
[2026-07-27T14:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2378
[2026-07-27T14:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-07-27T14:22:59] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T14:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-07-27T14:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T14:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-07-27T14:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2342
[2026-07-27T14:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-07-27T14:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2337
[2026-07-27T15:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-07-27T15:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2410
[2026-07-27T15:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2420
[2026-07-27T15:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2443
[2026-07-27T15:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2425
[2026-07-27T15:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2321
[2026-07-27T15:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-07-27T15:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2323
[2026-07-27T15:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2325
[2026-07-27T15:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2417
[2026-07-27T15:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2413
[2026-07-27T15:53:23] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T16:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2403
[2026-07-27T16:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2406
[2026-07-27T16:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2293
[2026-07-27T16:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2393
[2026-07-27T16:22:59] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T16:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T16:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2377
[2026-07-27T16:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2273
[2026-07-27T16:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2366
[2026-07-27T17:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2361
[2026-07-27T17:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-07-27T17:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2920
[2026-07-27T17:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2356
[2026-07-27T17:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2354
[2026-07-27T17:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2255
[2026-07-27T17:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2341
[2026-07-27T17:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2249
[2026-07-27T17:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2238
[2026-07-27T17:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2336
[2026-07-27T17:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2322
[2026-07-27T17:53:23] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T18:00:00] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-07-27T18:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2326
[2026-07-27T18:00:19] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-27T18:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2319
[2026-07-27T18:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2310
[2026-07-27T18:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2317
[2026-07-27T18:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2305
[2026-07-27T18:22:59] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T18:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2308
[2026-07-27T18:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2309
[2026-07-27T18:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2311
[2026-07-27T18:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2295
[2026-07-27T18:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2305
[2026-07-27T18:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2304
[2026-07-27T19:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2294
[2026-07-27T19:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2288
[2026-07-27T19:06:00] kitchen_light | OnOff.OnOff = True
[2026-07-27T19:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2188
[2026-07-27T19:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2193
[2026-07-27T19:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2187
[2026-07-27T19:23:23] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T19:25:19] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-27T19:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2286
[2026-07-27T19:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2277
[2026-07-27T19:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2285
[2026-07-27T19:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2266
[2026-07-27T19:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2278
[2026-07-27T19:52:59] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T19:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-07-27T20:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-07-27T20:05:19] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-27T20:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2275
[2026-07-27T20:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2170
[2026-07-27T20:31:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-27T20:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2258
[2026-07-27T20:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2168
[2026-07-27T20:51:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-27T21:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2248
[2026-07-27T21:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2158
[2026-07-27T21:11:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-27T21:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2262
[2026-07-27T21:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2156
[2026-07-27T21:31:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-27T21:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2248
[2026-07-27T21:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2158
[2026-07-27T21:51:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-27T22:00:00] living_room_light_1 | OnOff.OnOff = False
[2026-07-27T22:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2253
[2026-07-27T22:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2153

## 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。

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "卧室温度传感器在17:00出现瞬时异常高温读数（29.2°C），随后迅速恢复正常，疑似传感器故障或数据上报错误。",
  "reasoning": [
    "分析卧室温度传感器（bedroom_temp_sensor）的数据序列：从早上09:10到下午16:45，温度呈现正常的日间缓慢下降趋势（从约24.4°C降至22.7°C），符合夏季傍晚自然降温规律。",
    "在17:00:00时刻，日志显示 bedroom_temp_sensor 的测量值为 2920 (即 29.2°C)。这一数值与同一时间点客厅（24.4°C）和厨房（23.6°C）的温度存在巨大差异（高出约5-6°C）。",
    "紧接着在17:20:00，该传感器读数立即跳回 22.55°C，并继续随环境正常下降。这种‘尖峰’式的突变且无后续持续高温现象，不符合物理热惯性规律（房间升温需要时间），也不伴随空调开启或其他热源设备动作。",
    "结合其他房间传感器工作正常，且住户活动（门锁、 occupancy）无异常入侵迹象，判定此为单个传感器的硬件故障、校准漂移或通信数据包错误，而非真实的环境温度变化。"
  ],
  "key_evidence": [
    "[2026-07-27T17:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2920 (异常高值)",
    "[2026-07-27T16:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2273 (正常值)",
    "[2026-07-27T17:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2255 (迅速恢复至正常范围)"
  ],
  "recommended_actions": [
    "检查卧室温度传感器电池电量，低电量可能导致读数不稳定。",
    "尝试重新配对或重启该温度传感器以排除临时通信故障。",
    "若问题复现，建议更换该温度传感器硬件。"
  ]
}
```

{
  "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": [
    "初始两房间读数相近"
  ],
  "recommended_actions": [
    "建议按该错误类别处理。"
  ]
}


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, living_room_temp_sensor
- 已选事件数: 117

## 设备事件日志
[2026-07-18T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2270
[2026-07-18T07:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2500
[2026-07-18T07:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T07:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-07-18T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-07-18T08:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-18T08:42:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T08:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-18T09:07:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T09:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-18T09:32:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T09:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-18T09:57:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T10:02:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T10:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-18T10:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-07-18T10:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-18T10:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-18T10:22:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T10:27:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T10:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-07-18T10:34:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T10:37:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T10:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-18T10:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-18T10:52:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T10:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-18T11:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-18T11:02:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T11:05:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T11:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2443
[2026-07-18T11:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2434
[2026-07-18T11:22:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T11:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-18T11:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-18T11:32:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T11:35:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T11:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2426
[2026-07-18T11:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2437
[2026-07-18T11:52:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T11:57:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T12:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-07-18T12:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-18T12:07:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T12:10:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T12:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-07-18T12:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2424
[2026-07-18T12:27:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T12:31:00] living_room_light | OnOff.OnOff = False
[2026-07-18T12:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-07-18T12:37:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T12:40:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T12:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-07-18T12:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2405
[2026-07-18T12:57:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T13:00:00] living_room_ac | OnOff.OnOff = True
[2026-07-18T13:01:02] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T13:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-07-18T13:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-07-18T13:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2490
[2026-07-18T13:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2920
[2026-07-18T13:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-07-18T13:22:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T13:25:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T13:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2390
[2026-07-18T13:32:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2940
[2026-07-18T13:36:02] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T13:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2478
[2026-07-18T13:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2474
[2026-07-18T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2473
[2026-07-18T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2960
[2026-07-18T13:57:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T14:00:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T14:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2382
[2026-07-18T14:07:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T14:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2474
[2026-07-18T14:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2476
[2026-07-18T14:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2468
[2026-07-18T14:23:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T14:25:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T14:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2355
[2026-07-18T14:33:16] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T14:37:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T14:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-07-18T14:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2455
[2026-07-18T14:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-07-18T14:58:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T15:00:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T15:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2326
[2026-07-18T15:08:16] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T15:10:01] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T15:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2320
[2026-07-18T15:22:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T15:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-07-18T15:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2421
[2026-07-18T15:33:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T15:35:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T15:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2313
[2026-07-18T15:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2316
[2026-07-18T15:53:16] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T15:57:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T16:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2398
[2026-07-18T16:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2389
[2026-07-18T16:08:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T16:10:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T16:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2385
[2026-07-18T16:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2282
[2026-07-18T16:28:16] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T16:32:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T16:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2374
[2026-07-18T16:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2374
[2026-07-18T16:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2377
[2026-07-18T16:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2369
[2026-07-18T16:53:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T16:55:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T17:08:16] living_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。

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "客厅温度传感器出现严重的读数跳变和异常高温值，疑似硬件故障或数据上报错误。",
  "reasoning": [
    "1. 分析温度数据的合理性：日志显示客厅温度传感器在大部分时间读数在 2300-2550 (即 23.0°C - 25.5°C) 之间波动，符合夏季室内舒适温度范围。然而，在 13:15、13:35 和 13:55 三个时间点，该传感器突然上报了 2920、2940 和 2960 (即 29.2°C - 29.6°C) 的数值。",
    "2. 验证环境一致性：在同一时间段（13:15-13:55），厨房温度传感器读数从 2508 降至 2474，卧室温度传感器维持在 2390 左右。其他房间并未出现同步的高温现象，且空调在 13:00 开启，通常会导致室温下降而非剧烈上升。这表明 29°C+ 的读数与整体家庭环境温度不符。",
    "3. 检查设备状态关联：虽然客厅 occupancy 传感器在此期间持续报告有人（Occupancy=1），但这无法解释温度的非逻辑性飙升。结合读数呈现出的离散性尖峰（而非平滑过渡），这极有可能是传感器内部元件故障、校准失效或通信数据包损坏导致的“脏数据”。"
  ],
  "key_evidence": [
    "[2026-07-18T13:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2920",
    "[2026-07-18T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2940",
    "[2026-07-18T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2960",
    "同期 kitchen_temp_sensor 读数为 2474-2508，bedroom_temp_sensor 为 2390，无全局高温迹象"
  ],
  "recommended_actions": [
    "1. 立即检查客厅温度传感器的物理安装位置，确认是否靠近热源（如阳光直射、电器散热口）或存在遮挡。",
    "2. 尝试重启该温度传感器或重新配网，观察异常读数是否消失。",
    "3. 如果问题持续，建议更换该温度传感器，因为持续的错误高温读数可能导致空调系统误判，造成能源浪费或舒适度下降。"
  ]
}
```

{
  "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。"
  ]
}


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: 112

## 设备事件日志
[2026-08-11T05:36:04] bedroom_light | OnOff.OnOff = True
[2026-08-11T14:15:12] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T14:35:12] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T14:55:12] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T15:15:12] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T15:35:12] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T15:55:12] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T16:15:12] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T16:35:12] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T16:55:12] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T17:10:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T17:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2358
[2026-08-11T17:15:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T17:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2259
[2026-08-11T17:20:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T17:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2347
[2026-08-11T17:25:12] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T17:30:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T17:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2345
[2026-08-11T17:35:00] kitchen_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 = 2323
[2026-08-11T17:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2228
[2026-08-11T17:55:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T18:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2329
[2026-08-11T18:00:12] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T18:05:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T18:07:59] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-11T18:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2317
[2026-08-11T18:15:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T18:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2207
[2026-08-11T18:20:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T18:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2310
[2026-08-11T18:25:12] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T18:30:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T18:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2300
[2026-08-11T18:35:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T18:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2308
[2026-08-11T18:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2201
[2026-08-11T18:45:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T18:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2301
[2026-08-11T18:50:12] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T18:55:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T19:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2286
[2026-08-11T19:00:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T19:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2200
[2026-08-11T19:05:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T19:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2198
[2026-08-11T19:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2296
[2026-08-11T19:15:12] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T19:20:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T19:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2291
[2026-08-11T19:25:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T19:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2173
[2026-08-11T19:30:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T19:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2275
[2026-08-11T19:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2277
[2026-08-11T19:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2170
[2026-08-11T19:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2268
[2026-08-11T19:52:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T19:55:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T20:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2271
[2026-08-11T20:00:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T20:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2162
[2026-08-11T20:05:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T20:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2157
[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
[2026-08-11T20:17:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T20:20:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T20:23:00] living_room_light | OnOff.OnOff = False
[2026-08-11T20:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2166
[2026-08-11T20:25:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T20:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2165
[2026-08-11T20:38:12] bedroom_light | OnOff.OnOff = True
[2026-08-11T20:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2263
[2026-08-11T20:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2154
[2026-08-11T20:47:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T20:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2265
[2026-08-11T20:53:05] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T20:55:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T21:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2258
[2026-08-11T21:00:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T21:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2159
[2026-08-11T21:07:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T21:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2162
[2026-08-11T21:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2249
[2026-08-11T21:18:05] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T21:20:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T21:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2248
[2026-08-11T21:25:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T21:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2142
[2026-08-11T21:32:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T21:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2243
[2026-08-11T21:38:05] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T21:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2247
[2026-08-11T21:45:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T21:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2261
[2026-08-11T21:50:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T21:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2151
[2026-08-11T21:57:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T22:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2257
[2026-08-11T22:03:05] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T22:05:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T22:08:40] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-11T22:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2250
[2026-08-11T22:15:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T22:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2159
[2026-08-11T22:22:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T22:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2248

## 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。

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "厨房温度传感器出现数据丢失（None）及读数异常波动，且灶具关闭后无后续安全确认，存在潜在的设备故障或安全隐患。",
  "reasoning": [
    "1. 识别到关键设备异常：在 2026-08-11T17:41:00，厨房温度传感器上报 `MeasuredValue = None`，表明该传感器通信中断、电池耗尽或硬件故障，导致无法提供有效环境数据。",
    "2. 分析关联设备状态：在传感器失效前一刻（17:40:00），厨房灶具（cook_surface）被关闭。虽然这通常是正常行为，但由于紧随其后的温度监控缺失，系统无法验证是否发生了过热或其他热相关异常，增加了“未attended cooking”风险的不可见性。",
    "3. 观察数据漂移/不一致：对比同一时间段其他房间的温度传感器（如卧室从2259降至2142，客厅从2358降至2250），厨房传感器在恢复后（18:00:00）读数为2329，与之前的2347相比变化不大，但考虑到其曾短暂失效，且独居老人家庭对厨房安全敏感，这种间歇性故障属于典型的传感器 malfunction。",
    "4. 排除误报：日志中多次出现各区域 occupancy 为 1，符合独居老人在家活动的常态；未发现入侵、漏水或烟雾报警触发迹象，因此主要问题集中在设备本身的可靠性上。"
  ],
  "key_evidence": [
    "[2026-08-11T17:41:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None",
    "[2026-08-11T17:40:00] kitchen_cook_surface | OnOff.OnOff = False",
    "[2026-08-11T17:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2347",
    "[2026-08-11T18:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2329"
  ],
  "recommended_actions": [
    "检查并更换厨房温度传感器的电池或排查网络连接问题，确保其恢复正常上报。",
    "建议为厨房灶具配置独立的烟雾报警器或燃气泄漏探测器作为冗余安全措施，以弥补温度传感器故障期间的监控盲区。",
    "联系家属或护理人员确认老人当日身体状况及厨房使用情况，排除因设备故障导致的意外未被及时发现的风险。"
  ]
}
```

{
  "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。"
  ]
}


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
- 已选事件数: 116

## 设备事件日志
[2026-08-16T00:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2172
[2026-08-16T08:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-16T08:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-08-16T08:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-16T08:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2446
[2026-08-16T08:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-16T09:00:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T09:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-08-16T09:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-16T09:25:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T09:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-08-16T09:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-16T09:50:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T10:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2442
[2026-08-16T10:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-16T10:15:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T10:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-08-16T10:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-16T10:40:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T10:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-08-16T11:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-16T11:00:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T11:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-08-16T11:05:30] kitchen_cook_surface | OnOff.OnOff = True
[2026-08-16T11:10:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T11:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-08-16T11:20:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T11:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-08-16T11:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-16T11:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-16T11:35:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T11:40:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T11:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2443
[2026-08-16T11:45:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T11:50:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T11:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-08-16T12:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-16T12:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-08-16T12:10:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T12:15:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T12:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2417
[2026-08-16T12:20:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T12:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2420
[2026-08-16T12:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2422
[2026-08-16T12:38:05] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T12:40:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T12:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-08-16T12:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-08-16T12:50:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T12:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-08-16T13:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2497
[2026-08-16T13:05:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T13:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2404
[2026-08-16T13:13:05] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T13:15:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T13:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2491
[2026-08-16T13:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2497
[2026-08-16T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2492
[2026-08-16T13:35:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T13:40:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T13:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2383
[2026-08-16T13:48:05] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T13:50:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T13:51:15] living_room_light | OnOff.OnOff = True
[2026-08-16T14:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2372
[2026-08-16T14:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-08-16T14:01:13] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T14:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = -500
[2026-08-16T14:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2475
[2026-08-16T14:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-08-16T14:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2471
[2026-08-16T14:16:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T14:20:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T14:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-08-16T14:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2346
[2026-08-16T14:36:13] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T14:40:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T14:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-08-16T14:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-08-16T14:51:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T15:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-08-16T15:05:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T15:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2338
[2026-08-16T15:11:13] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T15:15:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T15:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-08-16T15:21:39] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T15:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2411
[2026-08-16T15:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2409
[2026-08-16T15:36:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T15:40:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T15:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2304
[2026-08-16T15:46:13] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T15:50:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T15:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2309
[2026-08-16T16:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2402
[2026-08-16T16:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2385
[2026-08-16T16:11:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T16:15:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T16:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2282
[2026-08-16T16:21:13] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T16:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2285
[2026-08-16T16:35:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T16:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2365
[2026-08-16T16:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2361
[2026-08-16T16:46:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T16:50:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T16:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2359
[2026-08-16T17:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2358
[2026-08-16T17:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2354
[2026-08-16T17:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2249
[2026-08-16T17:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2336
[2026-08-16T17:31:13] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T17:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2231
[2026-08-16T17:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2334
[2026-08-16T17:56:13] living_room_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。

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "卧室温度传感器出现异常读数（负值）及数据丢失，表明设备存在硬件故障或通信错误。",
  "reasoning": [
    "分析日志发现，在 2026-08-16T14:05:00，卧室温度传感器 (bedroom_temp_sensor) 上报的测量值为 -500。根据 Matter 协议标准，TemperatureMeasurement 的值通常以厘度（centi-degrees Celsius）为单位，即除以 100 得到摄氏度。-500 代表 -5.0°C。考虑到此前该房间温度为 23-24°C 左右，且同一时刻其他房间（如厨房、客厅）温度均在 24°C 以上，室内出现 -5°C 极低温度的可能性极低，这通常是传感器内部电路故障、ADC 转换错误或固件 Bug 导致的“假阴性”或溢出错误。",
    "此外，在 2026-08-16T11:25:00，厨房温度传感器曾短暂上报 'None'，虽然随后恢复正常，但这进一步暗示了系统中可能存在间歇性的传感器通信不稳定或电池电量不足导致的数据包丢失问题。",
    "尽管老人独居，但此异常主要影响环境监测数据的准确性，未直接触发火灾、入侵或跌倒等紧急安全事件，因此归类为设备健康层面的传感器故障，而非直接的人身安全威胁。"
  ],
  "key_evidence": [
    "[2026-08-16T14:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = -500 (异常低温读数)",
    "[2026-08-16T11:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None (数据缺失)"
  ],
  "recommended_actions": [
    "检查卧室温度传感器的电池电量，若电量低请更换电池。",
    "尝试重启卧室温度传感器或重新配网，以排除临时性通信故障。",
    "若问题持续，建议更换该温度传感器，以确保家庭环境监控数据的可靠性。"
  ]
}
```

{
  "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。"
  ]
}


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: master_bedroom_occupancy
- 已选事件数: 134

## 设备事件日志
[2026-08-11T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2266
[2026-08-11T00:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-11T00:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2273
[2026-08-11T00:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2277
[2026-08-11T00:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2272
[2026-08-11T00:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2279
[2026-08-11T00:30:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-11T00:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2275
[2026-08-11T00:40:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2284
[2026-08-11T00:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2283
[2026-08-11T00:55:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2285
[2026-08-11T01:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-11T01:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-11T01:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T01:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2301
[2026-08-11T01:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2306
[2026-08-11T01:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2312
[2026-08-11T01:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2307
[2026-08-11T01:30:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-11T01:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2320
[2026-08-11T01:45:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2323
[2026-08-11T01:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2322
[2026-08-11T02:00:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2326
[2026-08-11T02:00:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-11T02:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2325
[2026-08-11T02:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2331
[2026-08-11T02:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2334
[2026-08-11T02:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2352
[2026-08-11T02:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-11T02:35:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2346
[2026-08-11T02:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2349
[2026-08-11T02:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2345
[2026-08-11T03:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2367
[2026-08-11T03:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-11T03:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T03:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2363
[2026-08-11T03:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2362
[2026-08-11T03:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2366
[2026-08-11T03:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2379
[2026-08-11T03:30:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-11T03:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2375
[2026-08-11T03:40:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2384
[2026-08-11T03:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2404
[2026-08-11T03:55:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2394
[2026-08-11T04:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-11T04:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-11T04:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2411
[2026-08-11T04:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2418
[2026-08-11T04:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2410
[2026-08-11T04:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2423
[2026-08-11T04:30:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-11T04:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-08-11T04:45:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-08-11T04:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-08-11T05:00:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-11T05:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T05:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-08-11T05:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-08-11T05:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2461
[2026-08-11T05:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2462
[2026-08-11T05:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-11T05:35:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2469
[2026-08-11T05:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-08-11T05:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2479
[2026-08-11T06:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2471
[2026-08-11T06:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-11T06:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2473
[2026-08-11T06:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2486
[2026-08-11T06:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2477
[2026-08-11T06:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2492
[2026-08-11T06:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-08-11T06:30:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-11T06:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2502
[2026-08-11T06:39:00] master_bathroom_light | OnOff.OnOff = True
[2026-08-11T06:40:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T06:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-08-11T06:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2505
[2026-08-11T06:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2495
[2026-08-11T07:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-08-11T07:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T07:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T07:03:30] kitchen_window_contact | BooleanState.StateValue = False
[2026-08-11T07:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-08-11T07:09:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T07:10:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-08-11T07:18:07] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T07:20:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T07:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-08-11T07:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-08-11T07:33:00] dining_room_light | OnOff.OnOff = False
[2026-08-11T07:33:27] front_door_lock | DoorLock.LockState = 2
[2026-08-11T07:34:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T07:38:07] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T07:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-08-11T07:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-08-11T07:48:30] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T07:50:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T07:55:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-11T08:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-08-11T08:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-11T08:05:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-11T08:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-08-11T08:13:07] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T08:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-11T08:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-11T08:24:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T08:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-11T08:38:07] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T08:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-11T08:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-11T08:48:30] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T08:50:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T08:55:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-11T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-11T09:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-11T09:05:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-11T09:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-11T09:13:07] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T09:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-11T09:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-11T09:24:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T09:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-11T09:38:07] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T09:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2559
[2026-08-11T09:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-11T09:48:30] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T09:50:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T09:55:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-11T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2559
[2026-08-11T10:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-11T10:15:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-11T10:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-11T10:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-11T11:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545

## 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。

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_drift",
  "threat_description": "室内温度传感器读数出现严重异常，数值远超正常物理范围（2266-2559），疑似传感器故障或数据单位/解析错误。",
  "reasoning": [
    "1. 分析温度数值：日志中所有温度传感器（living_room_temp_sensor, master_bedroom_temp_sensor等）报告的 `TemperatureMeasurement.MeasuredValue` 均在 2200 到 2600 之间。",
    "2. 对比标准协议：Matter 协议中的 Temperature Measurement Cluster 通常使用厘氏度（centi-degrees Celsius）作为单位，即 1 个单位 = 0.01°C。因此，2266 代表 22.66°C，2559 代表 25.59°C。这些数值完全符合人类居住环境的舒适温度范围（约 22-26°C）。",
    "3. 识别潜在问题：虽然数值本身在物理上合理，但题目要求判断“设备健康问题”。如果系统后端或用户界面直接显示原始整数值（如 2266）而未进行单位转换，或者传感器固件存在 bug 导致上报了错误的缩放因子（例如将摄氏度直接当作毫摄氏度上报，或者未除以100），这属于数据层面的异常。然而，更常见的情况是，如果这是原始日志，我们需要确认是否真的存在“漂移”或“故障”。",
    "4. 重新审视“异常”定义：通常在智能家居安全分析中，如果温度读数在 22-26 之间波动，且变化趋势平缓（如从 22.66 升至 25.59），这是正常的昼夜温差或空调调节结果。但是，请注意观察数值的**绝对大小**。如果这是一个标准的 Matter 实现，2266 是合理的。但如果题目暗示这是“异常”，我们需要寻找非物理性的异常。",
    "5. 关键线索发现：仔细观察日志，所有传感器的读数都集中在 2200-2600 区间。这在物理上是正常的室温。但是，如果我们将此视为“设备健康”问题，通常指的是传感器失效。这里没有明显的失效（如读数恒定不变、跳变极大）。",
    "6. 修正推理方向：让我们看另一个角度。如果 `MeasuredValue` 的单位不是 centi-degrees C，而是其他？不，Matter 标准规定是 centi-degrees C。那么，是否存在“传感器漂移”？漂移通常指读数随时间单向偏离真实值。这里读数随时间上升（从凌晨的~22.7°C 到上午的~25.5°C），符合白天升温的自然规律。",
    "7. 再次检查是否有其他异常：注意 `kitchen_window_contact | BooleanState.StateValue = False` 在 07:03:30。窗户关闭状态为 False（通常 False 表示关闭，True 表示打开，取决于具体实现，但在 Matter Contact Sensor 中，Open/Close 状态通常由 BooleanState 或 Occupancy 逻辑决定，或者 Contact Sensor 有专门的 Open/Close 属性。Matter Contact Sensor Cluster 通常报告 `ContactSensorState` (Bitmask) 或简单的 Open/Close。这里使用了 `BooleanState`，这可能是一个非标准实现或特定厂商的实现。如果 False 代表“关闭”，则正常。",
    "8. 核心矛盾点：题目问的是“设备健康问题”。如果温度读数 2266 被解释为 2266°C，那是灾难性的火灾风险。但根据常识和 Matter 标准，这是 22.66°C。因此，除非系统配置错误地将单位当作摄氏度处理，否则这不是硬件故障。",
    "9. 但是，请注意任务描述中的“sensor_drift”选项。如果系统期望看到 22.66 这样的浮点数，而收到整数 2266，这可能是前端显示问题而非传感器硬件问题。然而，还有一种可能性：**传感器读数的一致性**。所有房间的温度几乎同步缓慢上升，且数值非常接近（都在22-25度之间），这符合全屋环境温度变化的特征。",
    "10. 最终判断：实际上，这段日志展示的是**正常**的家庭环境变化。温度从夜间低温逐渐升高至早晨高温， occupancy 传感器也记录了正常的起床活动模式（主卧有人 -> 儿童房有人 -> 餐厅有人）。没有入侵、没有火灾、没有漏水。所谓的“2266”是 Matter 协议的标准表示法（22.66°C）。因此，不存在设备健康威胁。",
    "11. 等等，让我再仔细看一眼。有没有可能某个传感器坏了？比如一直报同一个值？没有，值在变。有没有可能值跳变？没有，平滑变化。有没有可能逻辑错误？比如门开了没关？厨房窗户在07:03变为False（假设False=Closed），之前未记录状态，无法判断是否异常开启后未关闭。但主要关注点是“设备健康”。",
    "12. 结论：这是一段正常的日志。温度读数符合 Matter 标准（centi-degrees C）， occupancy 模式符合居民作息。没有证据表明设备故障。"
  ],
  "key_evidence": [
    "所有温度传感器读数在 2266-2559 之间，符合 Matter 协议 centi-degrees Celsius 单位下的正常室温范围 (22.66°C - 25.59°C)。",
    "温度随时间呈自然上升趋势（从凌晨到上午），无剧烈跳变或停滞。",
    "Occupancy 传感器记录了从卧室到客厅/餐厅的正常人员移动路径，符合早起后的家庭活动模式。"
  ],
  "recommended_actions": [
    "无需采取紧急措施。",
    "建议确认前端应用是否正确解析了 Matter 温度数据的单位（应除以 100 显示为摄氏度），以避免用户误解。"
  ]
}
```

{
  "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。"
  ]
}


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, living_room_temp_sensor
- 已选事件数: 138

## 设备事件日志
[2026-08-29T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2270
[2026-08-29T07:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T07:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-08-29T07:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-08-29T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-08-29T07:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-29T08:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-29T08:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-29T08:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T08:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-29T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-29T09:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-29T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-29T09:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-29T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-08-29T10:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-08-29T10:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T10:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T10:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T10:05:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-29T10:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-29T10:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-29T10:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-29T10:20:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-29T10:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-29T10:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-29T10:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-29T10:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T10:30:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T10:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-29T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-29T10:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-29T10:45:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-29T10:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-29T10:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-29T10:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-29T11:00:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-29T11:00:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T11:00:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T11:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-29T11:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-29T11:10:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-29T11:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-29T11:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-29T11:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-29T11:25:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-29T11:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-29T11:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T11:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T11:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T11:35:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-08-29T11:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-29T11:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-29T11:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-29T11:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-29T12:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-08-29T12:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-08-29T12:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T12:00:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T12:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-29T12:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-29T12:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-29T12:15:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-08-29T12:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-08-29T12:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-08-29T12:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-08-29T12:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-08-29T12:30:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T12:30:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T12:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-08-29T12:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-08-29T12:40:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-08-29T12:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2505
[2026-08-29T12:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-08-29T12:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-08-29T12:55:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-08-29T13:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-08-29T13:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T13:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T13:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T13:00:00] living_room_ac | OnOff.OnOff = True
[2026-08-29T13:05:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2497
[2026-08-29T13:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-08-29T13:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2489
[2026-08-29T13:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2495
[2026-08-29T13:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2920
[2026-08-29T13:20:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-08-29T13:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2490
[2026-08-29T13:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2487
[2026-08-29T13:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2482
[2026-08-29T13:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T13:30:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T13:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2495
[2026-08-29T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2940
[2026-08-29T13:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-08-29T13:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2486
[2026-08-29T13:45:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2483
[2026-08-29T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2486
[2026-08-29T13:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2487
[2026-08-29T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2960
[2026-08-29T14:00:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2480
[2026-08-29T14:00:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T14:00:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T14:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2470
[2026-08-29T14:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2478
[2026-08-29T14:10:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2465
[2026-08-29T14:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-08-29T14:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2473
[2026-08-29T14:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2461
[2026-08-29T14:25:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-08-29T14:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-08-29T14:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T14:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T14:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T14:35:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2461
[2026-08-29T14:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-08-29T14:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2457
[2026-08-29T14:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2442
[2026-08-29T14:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-08-29T14:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2437
[2026-08-29T15:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-08-29T15:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-08-29T15:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T15:00:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T15:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2434
[2026-08-29T15:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2423
[2026-08-29T15:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2425
[2026-08-29T15:15:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-08-29T15:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2416
[2026-08-29T15:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2419
[2026-08-29T15:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-08-29T15:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2424
[2026-08-29T15:30:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T15:30:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T15:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2413
[2026-08-29T15:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2423
[2026-08-29T15:40:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2415
[2026-08-29T15:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2405

## 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。

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "客厅温度传感器出现间歇性极高数值跳变（约29.2°C-29.6°C），与周围环境和空调运行状态严重不符，疑似传感器故障或数据上报错误。",
  "reasoning": [
    "1. 环境背景分析：日志显示时间为8月29日白天，且13:00时客厅空调开启（OnOff=True）。通常夏季室内空调制冷时，温度应维持在舒适区间（如24-26°C）。",
    "2. 正常趋势观察：在异常发生前（13:15之前）和之后（13:40之后），客厅温度传感器读数在24.7°C至25.4°C之间波动，与其他房间（主卧、儿童房、厨房）的温度读数（均在24-25°C左右）保持一致，符合家庭整体环境温度逻辑。",
    "3. 异常模式识别：在13:15、13:35、13:55三个时间点，客厅温度传感器突然上报2920、2940、2960（即29.2°C-29.6°C）的数值。这些数值不仅远高于其他所有传感器的读数，也远高于空调设定目标值。",
    "4. 排除法验证：如果是真实高温，空调应全力制冷导致温度持续下降而非回升，且其他邻近传感器（如厨房、主卧）未检测到类似高温，说明并非环境整体升温。这种孤立、瞬间的高值跳变是典型的传感器硬件故障、校准漂移或通信干扰导致的“脏数据”。"
  ],
  "key_evidence": [
    "[2026-08-29T13:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2920 (同时其他房间约为24.9°C)",
    "[2026-08-29T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2940",
    "[2026-08-29T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2960",
    "[2026-08-29T13:00:00] living_room_ac | OnOff.OnOff = True (空调正在运行，若真为29度，温度不应随后迅速回落至24度)"
  ],
  "recommended_actions": [
    "检查客厅温度传感器的电池电量及物理安装位置，确认是否靠近热源或阳光直射。",
    "尝试重启该温度传感器或重新配网，以排除临时通信干扰。",
    "若问题持续，建议更换客厅温度传感器，因为间歇性高值可能导致智能家居自动化逻辑（如温控策略）误判。"
  ]
}
```

{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "空调运行但温度不下降",
  "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": [
    "判断为空调侧制冷失效或相关传感异常，建议检修。"
  ]
}