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: 136

## 设备事件日志
[2026-08-28T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2280
[2026-08-28T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-28T09:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-28T09:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-28T09:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-28T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-08-28T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-28T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-28T10:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-28T10:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-28T10:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-28T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-28T11:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-28T11:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-28T11:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-28T11:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-28T11:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-28T11:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-28T12:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-08-28T12:04:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T12:07:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T12:11:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T12:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-08-28T12:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2428
[2026-08-28T12:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-08-28T12:29:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T12:34:00] living_room_light | OnOff.OnOff = False
[2026-08-28T12:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-08-28T12:39:07] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T12:49:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T12:51:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T12:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2502
[2026-08-28T13:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2412
[2026-08-28T13:04:55] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-28T13:09:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T13:14:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T13:16:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T13:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2497
[2026-08-28T13:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2388
[2026-08-28T13:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2485
[2026-08-28T13:34:07] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T13:39:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T13:41:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T13:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2479
[2026-08-28T13:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2378
[2026-08-28T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2484
[2026-08-28T13:57:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T14:01:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T14:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2377
[2026-08-28T14:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2478
[2026-08-28T14:14:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T14:17:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T14:22:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T14:26:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T14:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-08-28T14:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-08-28T14:39:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T14:42:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T14:47:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T14:51:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T14:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-08-28T15:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2330
[2026-08-28T15:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2410
[2026-08-28T15:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2420
[2026-08-28T15:04:55] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-28T15:07:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T15:12:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T15:16:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T15:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2423
[2026-08-28T15:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2314
[2026-08-28T15:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2420
[2026-08-28T15:34:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T15:37:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T15:41:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T15:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2413
[2026-08-28T15:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2306
[2026-08-28T15:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2400
[2026-08-28T15:59:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T16:02:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T16:06:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T16:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2392
[2026-08-28T16:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2294
[2026-08-28T16:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2396
[2026-08-28T16:24:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T16:27:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T16:32:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T16:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2383
[2026-08-28T16:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2267
[2026-08-28T16:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2365
[2026-08-28T16:49:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T16:52:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T16:57:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T17:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-08-28T17:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2920
[2026-08-28T17:01:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T17:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2268
[2026-08-28T17:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2360
[2026-08-28T17:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2244
[2026-08-28T17:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2343
[2026-08-28T17:24:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T17:27:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T17:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2337
[2026-08-28T17:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2344
[2026-08-28T17:44:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T17:47:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T17:52:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T17:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2321
[2026-08-28T18:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2217
[2026-08-28T18:04:55] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-28T18:09:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T18:12:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T18:17:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T18:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2317
[2026-08-28T18:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2222
[2026-08-28T18:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2309
[2026-08-28T18:34:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T18:37:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T18:42:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T18:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2312
[2026-08-28T18:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2191
[2026-08-28T18:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2302
[2026-08-28T18:59:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T19:04:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T19:07:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T19:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2286
[2026-08-28T19:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2193
[2026-08-28T19:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2296
[2026-08-28T19:24:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T19:29:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T19:32:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T19:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2276
[2026-08-28T19:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2273
[2026-08-28T19:44:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T19:49:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T19:52:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T19:56:00] 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": "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15:00到16:40，温度呈缓慢下降趋势（23.3°C -> 22.67°C），符合傍晚自然降温规律。",
    "在17:00:00时刻，日志记录显示 bedroom_temp_sensor 的 MeasuredValue 为 2920（即 29.2°C）。这一数值与前后时刻（16:40的22.67°C和17:05的22.68°C）存在巨大偏差（约6-7°C的突变）。",
    "考虑到独居老人的居住环境，室内温度通常由空调或暖气控制，且客厅、厨房等其他房间在同一时间段内温度变化平缓（均在23-24°C左右），卧室不可能在短时间内发生如此剧烈的升温。",
    "该异常值仅持续了极短时间（17:00出现，17:05已恢复至正常范围22.68°C），没有伴随其他设备（如空调开启、窗户打开等）的状态变化来解释这一升温，因此判定为传感器硬件故障、校准漂移或通信数据包错误。"
  ],
  "key_evidence": [
    "[2026-08-28T17:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2920 (异常高值)",
    "[2026-08-28T16:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2267 (正常值)",
    "[2026-08-28T17:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2268 (恢复正常)"
  ],
  "recommended_actions": [
    "检查卧室温度传感器的电池电量，低电量可能导致读数不稳定。",
    "尝试重启或重新配对该温度传感器，若问题依旧，建议更换传感器。",
    "确认该时间点家中是否有突发热源（如烤箱、取暖器），若无，则确认为设备故障。"
  ]
}
```

{
  "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: 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_light
- 已选事件数: 122

## 设备事件日志
[2026-08-20T06:21:07] bedroom_light | OnOff.OnOff = True
[2026-08-20T14:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2465
[2026-08-20T14:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2457
[2026-08-20T14:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2455
[2026-08-20T14:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-08-20T14:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-08-20T14:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-08-20T15:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-20T15:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-08-20T15:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2416
[2026-08-20T15:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2406
[2026-08-20T15:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2419
[2026-08-20T15:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2405
[2026-08-20T16:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-20T16:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2389
[2026-08-20T16:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2380
[2026-08-20T16:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2375
[2026-08-20T16:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2363
[2026-08-20T16:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2361
[2026-08-20T17:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-20T17:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2356
[2026-08-20T17:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2362
[2026-08-20T17:14:49] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-20T17:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2249
[2026-08-20T17:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2342
[2026-08-20T17:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2340
[2026-08-20T17:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2250
[2026-08-20T17:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2348
[2026-08-20T17:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2337
[2026-08-20T17:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2346
[2026-08-20T17:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2342
[2026-08-20T17:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2239
[2026-08-20T17:40:24] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-20T17:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2334
[2026-08-20T17:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2341
[2026-08-20T17:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2232
[2026-08-20T17:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2338
[2026-08-20T17:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2331
[2026-08-20T18:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-20T18:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2225
[2026-08-20T18:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2314
[2026-08-20T18:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2324
[2026-08-20T18:14:49] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-20T18:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2209
[2026-08-20T18:18:00] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-08-20T18:18:02] front_door_contact | BooleanState.StateValue = False
[2026-08-20T18:18:21] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T18:18:40] living_room_ac | OnOff.OnOff = True
[2026-08-20T18:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2315
[2026-08-20T18:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2304
[2026-08-20T18:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2303
[2026-08-20T18:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2301
[2026-08-20T18:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2317
[2026-08-20T18:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2306
[2026-08-20T18:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2299
[2026-08-20T18:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2302
[2026-08-20T18:43:21] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T18:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2293
[2026-08-20T18:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2304
[2026-08-20T18:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2290
[2026-08-20T18:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2295
[2026-08-20T19:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2287
[2026-08-20T19:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2361
[2026-08-20T19:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2302
[2026-08-20T19:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2426
[2026-08-20T19:07:30] kitchen_cook_surface | OnOff.OnOff = True
[2026-08-20T19:08:21] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T19:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2180
[2026-08-20T19:10:24] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-20T19:14:49] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-20T19:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2191
[2026-08-20T19:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2187
[2026-08-20T19:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2186
[2026-08-20T19:28:21] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T19:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2171
[2026-08-20T19:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2190
[2026-08-20T19:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2284
[2026-08-20T19:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2670
[2026-08-20T19:40:30] kitchen_window_contact | BooleanState.StateValue = False
[2026-08-20T19:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2269
[2026-08-20T19:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2643
[2026-08-20T19:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2268
[2026-08-20T19:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2586
[2026-08-20T19:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2561
[2026-08-20T19:58:05] kitchen_dishwasher | OperationalState.OperationalState = 1
[2026-08-20T20:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2271
[2026-08-20T20:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-08-20T20:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2279
[2026-08-20T20:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2460
[2026-08-20T20:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2257
[2026-08-20T20:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-08-20T20:10:00] bedroom_light | OnOff.OnOff = False
[2026-08-20T20:10:00] bedroom_light | LevelControl.CurrentLevel = 180
[2026-08-20T20:12:00] bedroom_light | OnOff.OnOff = False
[2026-08-20T20:13:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T20:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2273
[2026-08-20T20:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2386
[2026-08-20T20:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2265
[2026-08-20T20:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2341
[2026-08-20T20:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2264
[2026-08-20T20:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2294
[2026-08-20T20:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2266
[2026-08-20T20:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2262
[2026-08-20T20:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2258
[2026-08-20T20:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2255
[2026-08-20T20:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2251
[2026-08-20T20:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2253
[2026-08-20T20:43:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T20:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2253
[2026-08-20T20:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2260
[2026-08-20T20:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2248
[2026-08-20T20:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2254
[2026-08-20T20:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2266
[2026-08-20T21:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2252
[2026-08-20T21:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2259
[2026-08-20T21:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2247
[2026-08-20T21:13:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T21:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2250
[2026-08-20T21:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2256
[2026-08-20T21:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2244
[2026-08-20T21:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2253
[2026-08-20T21:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2248

## 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。

{
  "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。"
  ]
}

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "fire_risk",
  "threat_description": "厨房温度传感器检测到异常高温（峰值达 2670/100 = 26.7°C，随后持续在 24-25°C 高位），且伴随灶具开启和窗户关闭，存在严重的火灾风险。",
  "reasoning": [
    "推理步骤 1: 分析时间线发现，在 19:07:30 厨房灶具 (cook_surface) 被开启，随后在 19:40:00 厨房温度传感器读数从正常的 ~23°C 急剧飙升至 2670 (即 26.7°C)，并在后续几分钟内维持在 24-26°C 的高位区间，远高于正常烹饪时的瞬时温升或环境温度。",
    "推理步骤 2: 检查关联设备状态，在温度飙升期间 (19:40:00 - 19:45:00)，厨房窗户传感器 (kitchen_window_contact) 状态为 False (关闭)。这意味着如果发生燃气泄漏或明火，热量和烟雾无法通过窗户自然排出，极易导致室内温度积聚升高，增加火灾爆炸风险。",
    "推理步骤 3: 虽然洗碗机在 19:58:05 启动可能产生一定热量，但通常不会导致室温在短时间内剧烈波动至接近 27°C 并长时间维持，且该时间点晚于温度首次飙升时刻。因此，最合理的推断是灶具使用不当、故障或发生了未察觉的燃烧事件，而窗户关闭加剧了这一危险状况。"
  ],
  "key_evidence": [
    "[2026-08-20T19:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2670 (异常高温)",
    "[2026-08-20T19:40:00] kitchen_cook_surface | OnOff.OnOff = True (灶具开启)",
    "[2026-08-20T19:40:30] kitchen_window_contact | BooleanState.StateValue = False (窗户关闭)"
  ],
  "recommended_actions": [
    "立即远程通知住户：厨房存在严重过热风险，请立即前往厨房检查是否发生火灾或燃气泄漏，并确认灶具已关闭。",
    "建议系统自动联动：若住户未在 5 分钟内响应或温度继续上升，应尝试远程关闭灶具（如果协议支持）并触发全屋烟雾报警器。",
    "事后维护：检查厨房温度传感器是否校准正确，同时检查灶具是否存在故障导致过热，并建议用户养成烹饪时保持窗户微开以利于散热的习惯。"
  ]
}
```


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: 119

## 设备事件日志
[2026-08-16T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2275
[2026-08-16T07:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-08-16T07:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T07:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-08-16T08:26:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-16T08:51:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-16T09:16:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T09:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-16T09:41:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T09:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-16T10:00:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T10:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-08-16T10:07:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T10:11:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T10:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-16T10:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-08-16T10:21:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T10:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-16T10:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-16T10:35:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T10:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2446
[2026-08-16T10:42:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T10:46:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T10:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-16T10:56:00] kitchen_light | OnOff.OnOff = True
[2026-08-16T10:57:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-08-16T11:01:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T11:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-08-16T11:07:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T11:11:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T11:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-16T11:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-16T11:21:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T11:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-16T11:28:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-08-16T11:31:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T11:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-08-16T11:37:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T11:41:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T11:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-08-16T11:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-16T11:51:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T12:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-16T12:06:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T12:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2418
[2026-08-16T12:12:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T12:16:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T12:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-08-16T12:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-08-16T12:35:08] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T12:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2422
[2026-08-16T12:41:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T12:46:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T12:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-08-16T12:51:47] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T13:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2499
[2026-08-16T13:00:00] living_room_ac | OnOff.OnOff = True
[2026-08-16T13:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-08-16T13:06:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T13:10:08] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T13:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2397
[2026-08-16T13:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2920
[2026-08-16T13:16:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T13:21:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T13:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2400
[2026-08-16T13:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-08-16T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2940
[2026-08-16T13:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2482
[2026-08-16T13:41:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T13:45:08] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T13:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2381
[2026-08-16T13:51:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2960
[2026-08-16T14:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2384
[2026-08-16T14:01:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T14:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2475
[2026-08-16T14:11:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T14:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2357
[2026-08-16T14:21:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T14:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2360
[2026-08-16T14:26:20] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T14:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2458
[2026-08-16T14:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2460
[2026-08-16T14:41:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T14:46:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T14:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2343
[2026-08-16T14:51:20] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T15:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2340
[2026-08-16T15:06:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T15:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2434
[2026-08-16T15:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-08-16T15:16:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T15:21:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T15:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2421
[2026-08-16T15:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2326
[2026-08-16T15:36:20] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T15:41:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T15:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2415
[2026-08-16T15:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2404
[2026-08-16T15:51:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T15:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2406
[2026-08-16T16:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2391
[2026-08-16T16:06:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T16:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2295
[2026-08-16T16:11:20] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T16:16:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T16:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2391
[2026-08-16T16:21:47] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T16:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2385
[2026-08-16T16:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2383
[2026-08-16T16:36:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T16:41:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T16:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2269
[2026-08-16T16:46:20] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T16:51:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T16:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2266
[2026-08-16T17:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2361

## 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读数异常（瞬间飙升至29.4°C后迅速回落），且与空调开启时间及实际室温趋势不符，疑似传感器故障或数据上报错误。",
  "reasoning": [
    "1. 分析温度变化趋势：在13:00开启空调前，客厅温度约为25.0-25.1°C（正常范围）。13:06检测到有人活动。",
    "2. 识别异常点：13:15时，客厅温度传感器突然上报29.2°C，随后在13:35达到29.4°C，但在13:40又迅速降至24.8°C。这种短时间内剧烈波动（+4°C以上）且无持续热源支持的变化不符合物理规律。",
    "3. 排除环境因素：虽然空调刚开启可能产生热风，但通常会导致局部升温而非整体传感器读数如此剧烈且短暂的峰值，且随后温度迅速恢复正常甚至略低于平均值（24.75°C），表明之前的29.x°C读数是错误的。",
    "4. 结合其他设备状态：同一时间段内，卧室和厨房温度传感器读数平稳下降（符合夏季午后降温趋势），进一步证明客厅传感器的异常是孤立的，而非全屋环境温度突变。"
  ],
  "key_evidence": [
    "[2026-08-16T13:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2920 (29.2°C)",
    "[2026-08-16T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2940 (29.4°C)",
    "[2026-08-16T13:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2482 (24.8°C)",
    "[2026-08-16T13:00:00] living_room_ac | OnOff.OnOff = True"
  ],
  "recommended_actions": [
    "检查客厅温度传感器电池电量及安装位置，确认是否靠近空调出风口或受热源干扰。",
    "若问题持续，建议更换客厅温度传感器以排除硬件故障。",
    "暂时忽略该传感器的自动温控逻辑，改为手动监控或依赖其他房间传感器作为参考。"
  ]
}
```

{
  "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。"
  ]
}


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_temp_sensor
- 已选事件数: 117

## 设备事件日志
[2026-07-07T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2279
[2026-07-07T08:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-07-07T08:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-07T08:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-07T09:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-07T09:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-07T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-07T10:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-07T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-07-07T11:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-07T11:00:26] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T11:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-07T11:08:09] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T11:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-07-07T11:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-07T11:18:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T11:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-07T11:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-07T11:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-07T11:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-07T11:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-07T11:38:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T11:40:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-07-07T11:44:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T11:45:26] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T11:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-07-07T11:55:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-07T12:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-07T12:04:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T12:05:26] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T12:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-07-07T12:13:09] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T12:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-07-07T12:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-07-07T12:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-07-07T12:33:09] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T12:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-07-07T12:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-07-07T12:43:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T12:45:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-07-07T12:48:53] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-07T12:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-07-07T12:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2499
[2026-07-07T13:00:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-07-07T13:03:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T13:05:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-07-07T13:09:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T13:10:26] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T13:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-07-07T13:18:09] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T13:20:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2490
[2026-07-07T13:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2492
[2026-07-07T13:30:26] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T13:38:09] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T13:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2482
[2026-07-07T13:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2491
[2026-07-07T13:48:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T13:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2475
[2026-07-07T13:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2469
[2026-07-07T14:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2468
[2026-07-07T14:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-07T14:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-07-07T14:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2481
[2026-07-07T14:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = -500
[2026-07-07T14:08:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T14:10:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2474
[2026-07-07T14:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-07-07T14:14:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T14:15:26] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T14:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2470
[2026-07-07T14:25:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2460
[2026-07-07T14:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-07T14:34:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T14:35:26] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T14:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-07-07T14:43:09] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T14:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-07-07T14:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-07-07T15:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-07-07T15:03:09] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T15:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-07-07T15:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-07-07T15:13:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T15:15:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-07-07T15:18:53] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-07T15:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-07-07T15:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2418
[2026-07-07T15:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2428
[2026-07-07T15:33:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T15:35:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2423
[2026-07-07T15:39:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T15:40:26] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T15:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2414
[2026-07-07T15:48:09] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T15:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2411
[2026-07-07T15:57:10] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T16:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2394
[2026-07-07T16:02:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T16:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2396
[2026-07-07T16:08:09] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T16:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2396
[2026-07-07T16:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2388
[2026-07-07T16:17:10] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T16:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2394
[2026-07-07T16:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2379
[2026-07-07T16:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-07T16:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2386
[2026-07-07T16:37:10] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T16:40:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2377
[2026-07-07T16:44:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T16:47:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T16:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2373
[2026-07-07T16:55:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2355
[2026-07-07T17:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-07T17:04:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T17:07:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T17:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2359

## 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": "客厅温度传感器出现异常读数（-500）及数据跳变，疑似硬件故障或通信错误。",
  "reasoning": [
    "1. 分析温度数值格式：日志中的温度值（如2279, 2526等）符合Matter协议TemperatureMeasurement Cluster的特征，即单位为0.01摄氏度。例如2279代表22.79°C，2526代表25.26°C，这些数值在正常室温范围内且变化平缓，符合家庭环境特征。",
    "2. 识别异常点：在[2026-07-07T14:05:00]时刻，living_room_temp_sensor上报了值为-500的读数。转换为摄氏度为-5.00°C。",
    "3. 排除环境因素：在同一时间点（14:00-14:05），其他房间（如儿童房、主卧、厨房）的温度传感器读数均在23°C-25°C之间，且呈现正常的日间缓慢下降趋势。客厅瞬间降至-5°C且随后迅速回升至24.81°C（14:05的另一条记录）或24.40°C（14:10），这种剧烈的、与其他所有传感器完全背离的突变不可能是真实的环境温度变化。",
    "4. 结论：该异常读数属于典型的传感器故障（Sensor Malfunction），可能是传感器内部元件损坏、ADC转换错误或数据包传输错误导致的无效数据上报。"
  ],
  "key_evidence": [
    "[2026-07-07T14:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = -500 (对应-5.00°C)",
    "同一时间段内其他房间温度传感器读数正常（约23-25°C），证明并非全屋极端低温事件。",
    "异常读数前后数据恢复至正常范围（如14:00为2430/2468，14:10为2440），表明是瞬时故障而非持续状态改变。"
  ],
  "recommended_actions": [
    "检查客厅温度传感器的物理连接和电池电量（如果是无线设备）。",
    "尝试重启或重新配对该温度传感器以排除临时通信故障。",
    "如果问题持续存在，建议更换该温度传感器硬件。"
  ]
}
```

{
  "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: 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: 117

## 设备事件日志
[2026-08-29T03:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2372
[2026-08-29T03:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2383
[2026-08-29T03:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2393
[2026-08-29T03:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2400
[2026-08-29T04:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T04:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2405
[2026-08-29T04:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2429
[2026-08-29T04:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-08-29T04:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-08-29T05:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-08-29T05:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2455
[2026-08-29T05:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T05:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2471
[2026-08-29T06:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2480
[2026-08-29T06:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2485
[2026-08-29T06:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2478
[2026-08-29T06:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2495
[2026-08-29T06:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-08-29T06:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T06:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2491
[2026-08-29T06:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2502
[2026-08-29T06:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-08-29T06:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2499
[2026-08-29T06:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-08-29T07:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-08-29T07:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T07:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-08-29T07:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-08-29T07:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-08-29T07:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-08-29T07:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-08-29T07:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T07:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-08-29T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-08-29T07:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-08-29T07:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-08-29T08:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-29T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T08:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-29T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-29T08:22:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T08:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-08-29T08:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-29T08:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-08-29T08:42:00] bathroom_light | OnOff.OnOff = True
[2026-08-29T08:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-08-29T08:47:00] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T08:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-29T08:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-29T08:57:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T09:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-08-29T09:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-08-29T09:07:00] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T09:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-29T09:10:00] living_room_window | WindowCovering.CurrentPositionLiftPercent100ths = 0
[2026-08-29T09:10:00] living_room_window_contact | BooleanState.StateValue = True
[2026-08-29T09:12:00] living_room_window_contact | BooleanState.StateValue = False
[2026-08-29T09:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-29T09:15:00] living_room_window | WindowCovering.CurrentPositionLiftPercent100ths = 0
[2026-08-29T09:17:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T09:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2443
[2026-08-29T09:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-08-29T09:25:34] kitchen_cook_surface | OnOff.OnOff = True
[2026-08-29T09:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-29T09:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-29T09:37:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T09:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-08-29T09:41:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-08-29T09:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-29T09:45:06] living_room_light_1 | OnOff.OnOff = True
[2026-08-29T09:45:21] living_room_window | WindowCovering.CurrentPositionLiftPercent100ths = 0
[2026-08-29T09:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2446
[2026-08-29T09:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-29T09:57:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T10:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-29T10:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-08-29T10:05:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T10:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-08-29T10:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-29T10:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-29T10:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2449
[2026-08-29T10:26:02] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T10:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-08-29T10:32:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T10:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-29T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-29T10:40:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T10:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-08-29T10:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-08-29T10:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-29T11:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-29T11:00:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T11:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-08-29T11:07:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T11:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-29T11:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-29T11:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-08-29T11:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-29T11:27:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T11:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-29T11:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-29T11:35:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T11:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-08-29T11:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-29T11:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-29T11:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-08-29T11:56:02] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T12:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2423
[2026-08-29T12:02:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T12:04:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-08-29T12:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2652
[2026-08-29T12:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-08-29T12:10:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T12:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2422
[2026-08-29T12:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-08-29T12:40:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T12:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503

## 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": "厨房温度传感器读数出现异常跳变（从25.41°C瞬间升至26.52°C），且伴随数据丢失，疑似传感器故障或通信干扰。",
  "reasoning": [
    "分析厨房温度传感器日志：在09:41时读数为None（可能表示离线或初始化），随后在10:00至11:50期间读数稳定在25.36°C-25.55°C之间，符合室内正常环境温度范围。",
    "在12:04时，厨房温度传感器再次报告None，紧接着在12:05时读数突变为2652（即26.52°C）。",
    "对比同一时间段其他房间温度：客厅温度在12:10为25.22°C，卧室温度为24.22°C。厨房通常因烹饪设备存在略高于其他房间，但26.52°C与前后及相邻房间的温差（约1-2°C）相比，结合之前的'None'状态，这种突变更可能是传感器内部电路不稳定、电池电量不足导致的电压波动，或者是Matter协议层的数据解析错误/丢包重传导致的数值异常。",
    "虽然26.52°C本身不构成火灾风险（远低于烟雾报警阈值），但这种非线性的、伴随数据丢失的剧烈跳变属于典型的传感器硬件或固件故障特征，而非真实的环境变化。"
  ],
  "key_evidence": [
    "[2026-08-29T12:04:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None",
    "[2026-08-29T12:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2652",
    "[2026-08-29T12:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522 (显示环境并未急剧升温)"
  ],
  "recommended_actions": [
    "检查厨房温度传感器的电池电量，如电量低请更换电池。",
    "重启该温度传感器或重新配网，以排除临时通信故障。",
    "观察后续日志，若此类'None'后接异常高值的现象频繁发生，建议更换传感器硬件。"
  ]
}
```

{
  "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。"
  ]
}


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_light_1
- 已选事件数: 103

## 设备事件日志
[2026-07-08T14:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2470
[2026-07-08T14:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-08T14:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2434
[2026-07-08T15:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-07-08T15:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2420
[2026-07-08T16:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2395
[2026-07-08T16:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2391
[2026-07-08T16:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2367
[2026-07-08T17:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-08T17:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2345
[2026-07-08T17:13:09] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T17:15:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T17:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2348
[2026-07-08T17:20:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T17:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2346
[2026-07-08T17:25:10] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T17:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2337
[2026-07-08T17:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2330
[2026-07-08T17:40:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2336
[2026-07-08T17:41:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T17:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2330
[2026-07-08T17:48:09] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T17:50:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T17:54:00] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-07-08T17:54:11] living_room_light_1 | OnOff.OnOff = True
[2026-07-08T17:55:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2323
[2026-07-08T18:00:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2333
[2026-07-08T18:01:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T18:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2333
[2026-07-08T18:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2316
[2026-07-08T18:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2320
[2026-07-08T18:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2310
[2026-07-08T18:21:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T18:24:30] kitchen_cook_surface | OnOff.OnOff = True
[2026-07-08T18:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2320
[2026-07-08T18:29:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T18:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2316
[2026-07-08T18:33:09] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T18:35:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2309
[2026-07-08T18:40:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2301
[2026-07-08T18:45:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2302
[2026-07-08T18:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2295
[2026-07-08T18:53:09] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T18:55:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2289
[2026-07-08T19:00:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2291
[2026-07-08T19:01:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T19:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2297
[2026-07-08T19:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2299
[2026-07-08T19:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2284
[2026-07-08T19:16:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-07-08T19:17:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-07-08T19:20:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2280
[2026-07-08T19:21:07] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T19:25:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2289
[2026-07-08T19:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2278
[2026-07-08T19:31:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T19:34:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T19:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2286
[2026-07-08T19:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2270
[2026-07-08T19:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2274
[2026-07-08T19:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2266
[2026-07-08T19:54:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T19:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2273
[2026-07-08T20:01:07] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T20:05:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2279
[2026-07-08T20:10:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2273
[2026-07-08T20:10:00] living_room_light_1 | OnOff.OnOff = False
[2026-07-08T20:10:00] living_room_light_1 | LevelControl.CurrentLevel = 180
[2026-07-08T20:12:00] living_room_light_1 | OnOff.OnOff = False
[2026-07-08T20:15:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2266
[2026-07-08T20:20:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2264
[2026-07-08T20:21:07] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T20:25:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2261
[2026-07-08T20:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2270
[2026-07-08T20:31:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T20:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2264
[2026-07-08T20:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2257
[2026-07-08T20:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2258
[2026-07-08T20:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2252
[2026-07-08T20:51:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T20:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2255
[2026-07-08T20:59:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T21:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-08T21:04:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T21:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2260
[2026-07-08T21:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2254
[2026-07-08T21:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2257
[2026-07-08T21:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2248
[2026-07-08T21:24:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T21:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2261
[2026-07-08T21:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2255
[2026-07-08T21:31:07] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T21:35:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2253
[2026-07-08T21:40:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2248
[2026-07-08T21:45:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2261
[2026-07-08T21:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2256
[2026-07-08T21:51:07] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T21:55:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2254
[2026-07-08T22:00:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2241
[2026-07-08T22:01:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T22:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2244
[2026-07-08T22:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2255
[2026-07-08T22:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2246

## 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": "厨房温度传感器在19:17上报了无效值（None），随后恢复，表明该传感器存在间歇性通信故障或数据上报异常。",
  "reasoning": [
    "分析日志发现，在2026-07-08T19:17:00时刻，kitchen_temp_sensor 的 TemperatureMeasurement.MeasuredValue 字段值为 'None'。",
    "在Matter协议及常规智能家居逻辑中，温度传感器应始终返回有效的数值（通常为整数或浮点数）。'None' 表示数据缺失、设备离线或通信中断。",
    "观察前后时间点：19:16:00 灶具关闭，19:15:00 和 19:20:00 其他房间温度正常下降，且 kitchen_temp_sensor 在 19:35:00 恢复了正常读数（2286）。这表明并非永久性硬件损坏，而是瞬时的通信丢包或传感器内部处理错误。",
    "虽然伴随有灶具使用行为，但烟雾报警器未触发，且温度读数本身没有显示异常的急剧升高（反而在正常降温趋势中丢失），因此排除火灾风险，主要判定为传感器自身的健康/连接问题。"
  ],
  "key_evidence": [
    "[2026-07-08T19:17:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None",
    "[2026-07-08T19:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2284 (其他设备正常)",
    "[2026-07-08T19:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2286 (恢复正常)"
  ],
  "recommended_actions": [
    "检查厨房Wi-Fi/Zigbee信号强度，确认是否存在干扰导致数据包丢失。",
    "重启厨房温度传感器以重置其网络连接状态。",
    "如果问题频繁出现，考虑更换传感器电池或设备本身。"
  ]
}
```

{
  "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": [
    "同一时刻 OnOff=False 但亮度非零"
  ],
  "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_window, living_room_window_contact
- 已选事件数: 120

## 设备事件日志
[2026-07-31T03:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2358
[2026-07-31T03:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2371
[2026-07-31T03:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2399
[2026-07-31T04:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-31T04:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2418
[2026-07-31T04:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2412
[2026-07-31T04:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-07-31T05:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-07-31T05:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-07-31T05:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2473
[2026-07-31T06:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-31T06:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2482
[2026-07-31T06:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2384
[2026-07-31T06:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-07-31T06:24:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T06:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-07-31T06:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2398
[2026-07-31T06:31:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T06:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-07-31T06:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-07-31T06:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2394
[2026-07-31T06:53:04] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-07-31T06:53:11] front_door_contact | BooleanState.StateValue = True
[2026-07-31T06:54:51] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-31T06:56:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T07:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2398
[2026-07-31T07:03:07] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T07:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-07-31T07:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-07-31T07:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2505
[2026-07-31T07:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-07-31T07:23:07] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T07:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2411
[2026-07-31T07:29:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T07:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-31T07:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-31T07:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-07-31T07:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-07-31T07:48:07] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T07:54:51] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-31T07:56:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T08:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-07-31T08:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-31T08:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-07-31T08:13:07] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T08:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-07-31T08:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-31T08:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-07-31T08:29:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T08:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-31T08:34:00] front_door_lock | DoorLock.LockState = 2
[2026-07-31T08:34:07] living_room_light | OnOff.OnOff = True
[2026-07-31T08:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-31T08:41:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T08:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-31T08:49:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T08:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-07-31T08:54:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T08:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-07-31T09:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-31T09:04:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T09:06:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T09:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-31T09:10:00] living_room_window | WindowCovering.CurrentPositionLiftPercent100ths = 0
[2026-07-31T09:10:00] living_room_window_contact | BooleanState.StateValue = True
[2026-07-31T09:12:00] living_room_window_contact | BooleanState.StateValue = False
[2026-07-31T09:14:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T09:15:00] living_room_window | WindowCovering.CurrentPositionLiftPercent100ths = 0
[2026-07-31T09:19:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T09:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-31T09:24:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T09:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-31T09:31:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T09:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-31T09:39:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T09:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2457
[2026-07-31T09:44:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T09:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-31T09:49:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T09:51:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T09:54:51] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-31T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-31T10:04:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T10:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-07-31T10:09:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T10:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-31T10:14:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T10:16:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T10:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-31T10:24:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T10:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-31T10:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2457
[2026-07-31T10:34:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T10:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-31T10:39:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T10:41:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T10:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-31T10:49:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T10:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-07-31T10:54:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T10:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-07-31T11:01:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-07-31T11:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-31T11:06:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T11:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-07-31T11:14:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T11:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-31T11:19:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T11:20:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T11:24:51] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-31T11:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-07-31T11:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-31T11:41:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T11:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-07-31T11:49:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T11:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-31T11:54:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T11:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-07-31T12:00:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T12:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531

## 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": "客厅温度传感器读数异常偏高且数值格式疑似错误（未转换为摄氏度），同时厨房温度传感器在中午时段出现数据丢失，表明存在严重的传感器硬件或通信故障。",
  "reasoning": [
    "1. 分析客厅温度传感器数据：日志显示从 03:10 到 12:05，living_room_temp_sensor 的 TemperatureMeasurement.MeasuredValue 持续在 2358 至 2554 之间波动。根据 Matter 协议标准，温度值通常以厘氏度（centi-degrees Celsius）为单位存储，即实际温度 = 测量值 / 100。若按此换算，室温约为 23.6°C - 25.5°C，这是完全正常的室内温度范围。然而，如果设备固件配置错误或传感器本身损坏导致直接输出原始整数而非标准化值，或者该数值代表华氏度（2358°F 显然不可能），则属于严重的数据异常。考虑到其他房间（如卧室 ~23-24°C）的读数也呈现类似的高位数值（例如 bedroom_temp_sensor 在 2384-2457 之间，若除以100则为23.8-24.5°C，正常；但若视为绝对值则异常），需进一步对比。",
    "2. 交叉验证其他传感器：观察 bedroom_temp_sensor，其读数在 2384 (06:15) 到 2457 (09:40) 之间。若遵循同样的 '/100' 逻辑，卧室温度为 23.8-24.5°C，与客厅一致，符合夏季/空调开启后的正常室温。但是，kitchen_temp_sensor 在 06:10 为 2482，随后升至 2539 (08:05)，但在 11:01 突然变为 'None'。这种从有值到无值的突变，结合客厅和卧室看似‘高’但实则‘合理’（若除以100）的数值，提示可能存在两种情况：一是所有温度传感器均正确报告了约 24-25°C 的环境温度（此时客厅读数 2554 即 25.54°C，正常）；二是传感器存在系统性漂移或单位配置错误。",
    "3. 识别关键故障点：最明显的异常是 kitchen_temp_sensor 在 11:01 返回 'None'。对于智能家居系统，传感器突然停止上报数据（Null/None）通常意味着电池耗尽、无线连接中断或传感器内部电路故障。此外，虽然客厅温度读数在数值上看起来很大（2500+），但如果统一解释为厘氏度，则环境本身没有过热风险。然而，题目要求判断“设备健康问题”。厨房传感器的数据丢失是一个明确的硬件/连接故障信号。同时，如果用户或上层应用未正确处理单位转换，将 2500 误读为 2500度，会导致误报高温警报，这也属于传感器数据完整性问题。鉴于厨房传感器直接失效，判定为传感器故障。"
  ],
  "key_evidence": [
    "[2026-07-31T11:01:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None",
    "所有温度传感器读数均在 2300-2550 区间，若按 Matter 标准厘氏度解释为 23-25.5°C，属正常室温，但厨房传感器中途断联表明设备状态不稳定。"
  ],
  "recommended_actions": [
    "检查厨房温度传感器的电池电量或网络连接状态，确认是否因断电或信号干扰导致数据丢失。",
    "校准或更换厨房温度传感器，并检查全屋温度传感器的单位配置是否正确（确保上层应用能正确解析厘氏度）。"
  ]
}
```

{
  "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": [
    "窗户/窗帘相关状态前后矛盾"
  ],
  "recommended_actions": [
    "建议按该错误类别处理。"
  ]
}