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

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

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

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

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ1
- 重点房间: living_room
- 重点设备: living_room_ac, living_room_temp_sensor
- 已选事件数: 121

## 设备事件日志
[2026-07-22T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2274
[2026-07-22T07:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-07-22T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-22T08:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-22T08:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-22T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-22T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-22T10:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T10:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-07-22T10:09:07] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T10:10:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T10:15:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-22T10:19:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T10:21:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T10:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-22T10:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-22T10:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-22T10:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-22T10:44:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T10:46:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T10:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-22T10:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-22T10:59:07] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T11:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T11:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-22T11:10:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T11:19:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T11:21:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T11:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-22T11:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-07-22T11:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-07-22T11:44:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T11:46:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T11:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-22T11:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-22T11:59:07] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T12:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T12:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-22T12:10:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T12:15:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-07-22T12:19:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T12:21:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T12:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-07-22T12:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-07-22T12:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-07-22T12:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-07-22T12:44:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T12:46:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T12:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-07-22T12:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-07-22T12:59:07] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T13:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T13:00:00] living_room_ac | OnOff.OnOff = True
[2026-07-22T13:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2505
[2026-07-22T13:10:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T13:15:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2500
[2026-07-22T13:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2840
[2026-07-22T13:19:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T13:21:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T13:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2489
[2026-07-22T13:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2486
[2026-07-22T13:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2491
[2026-07-22T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2720
[2026-07-22T13:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-07-22T13:44:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T13:46:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T13:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2479
[2026-07-22T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2486
[2026-07-22T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2610
[2026-07-22T13:59:07] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T14:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T14:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2477
[2026-07-22T14:10:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T14:15:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2460
[2026-07-22T14:19:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T14:21:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T14:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2457
[2026-07-22T14:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-07-22T14:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2463
[2026-07-22T14:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2459
[2026-07-22T14:44:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T14:46:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T14:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-07-22T14:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2443
[2026-07-22T14:59:07] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T15:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T15:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-07-22T15:10:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T15:15:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2437
[2026-07-22T15:19:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T15:21:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T15:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2419
[2026-07-22T15:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2429
[2026-07-22T15:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2425
[2026-07-22T15:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2403
[2026-07-22T15:44:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T15:46:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T15:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2405
[2026-07-22T15:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2395
[2026-07-22T15:59:07] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T16:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T16:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2394
[2026-07-22T16:10:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T16:15:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2387
[2026-07-22T16:19:00] front_door_lock | DoorLock.LockState = 2
[2026-07-22T16:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2388
[2026-07-22T16:24:05] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T16:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2384
[2026-07-22T16:35:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T16:40:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2370
[2026-07-22T16:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2370
[2026-07-22T16:49:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T16:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2362
[2026-07-22T16:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2369
[2026-07-22T17:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2368
[2026-07-22T17:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T17:40:19] living_room_ac | Thermostat.SystemMode = 3
[2026-07-22T17:55:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T18:25:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T18:55:09] living_room_occupancy | OccupancySensing.Occupancy = 1

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

请按以下 JSON 格式回答：

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

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

Chosen response:
{
  "is_anomaly": false,
  "confidence": "medium",
  "threat_type": "none",
  "threat_description": "当前日志更符合正常模式，不建议报警。",
  "reasoning": [
    "推理步骤1: 正常样本空调开启后温度逐步下降；异常样本持续不降反升。"
  ],
  "key_evidence": [
    "正常样本空调开启后温度逐步下降；异常样本持续不降反升。"
  ],
  "recommended_actions": [
    "继续监测，无需立即处置。"
  ]
}

Rejected response:
```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "客厅温度传感器 (living_room_temp_sensor) 在空调开启后出现严重的数据跳变和逻辑矛盾，显示设备可能故障或受到干扰。",
  "reasoning": [
    "推理步骤 1: 在 2026-07-22T13:00:00，系统检测到 living_room_ac 开启 (OnOff.OnOff = True)，随后在 13:05:00 温度读数正常下降至 2505 (对应约 25.05°C)，符合空调制冷预期。",
    "推理步骤 2: 然而，在 13:15:00，同一传感器报告的温度值突然飙升至 2840 (对应约 28.40°C)，且数值单位看似为毫开尔文 (mK) 而非摄氏度，或者发生了严重的数值溢出/错误读取。",
    "推理步骤 3: 更关键的异常发生在 13:55:00，该传感器在同一分钟内连续上报了两个截然不同的数值：先报 2486，紧接着报 2610。这种在同一时间点瞬间剧烈波动且无物理依据的现象，排除了环境温度自然变化的可能性，强烈指向传感器硬件故障、通信丢包导致的乱码或固件逻辑错误。",
    "推理步骤 4: 对比其他房间（如厨房、主卧）的温度变化曲线平滑且符合常理，进一步确认问题仅局限于 living_room_temp_sensor 这一单一设备，属于典型的单点传感器失效。"
  ],
  "key_evidence": [
    "2026-07-22T13:15:00 温度读数从正常的 2505 突变为 2840。",
    "2026-07-22T13:55:00 同一分钟内在 2486 和 2610 之间发生非物理性的剧烈跳变。"
  ],
  "recommended_actions": [
    "立即检查客厅温度传感器的物理连接状态及供电情况。",
    "尝试重启 Matter 网关或重新配对该温度传感器以排除临时通信故障。",
    "若重启无效，建议更换新的温度传感器，并暂时依赖其他房间的温度数据或手动监测客厅温度。"
  ]
}
```


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

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

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

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

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ1
- 重点房间: living_room
- 重点设备: living_room_light_1, master_bathroom_occupancy, master_bedroom_occupancy
- 已选事件数: 137

## 设备事件日志
[2026-08-08T00:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T01:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2301
[2026-08-08T01:00:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T01:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2310
[2026-08-08T01:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2309
[2026-08-08T01:30:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T01:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2325
[2026-08-08T02:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2320
[2026-08-08T02:00:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T02:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2336
[2026-08-08T02:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2348
[2026-08-08T02:30:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T02:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2351
[2026-08-08T03:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2353
[2026-08-08T03:00:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T03:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2372
[2026-08-08T03:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2385
[2026-08-08T03:30:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T03:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2383
[2026-08-08T03:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2395
[2026-08-08T04:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2400
[2026-08-08T04:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2394
[2026-08-08T04:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T04:00:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T04:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2408
[2026-08-08T04:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2403
[2026-08-08T04:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2411
[2026-08-08T04:15:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2416
[2026-08-08T04:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2413
[2026-08-08T04:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2407
[2026-08-08T04:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2410
[2026-08-08T04:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2426
[2026-08-08T04:30:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T04:30:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T04:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2415
[2026-08-08T04:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-08-08T04:40:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2420
[2026-08-08T04:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2437
[2026-08-08T04:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2424
[2026-08-08T04:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2422
[2026-08-08T04:55:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2434
[2026-08-08T05:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-08-08T05:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T05:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T05:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T05:05:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-08-08T05:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-08-08T05:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-08-08T05:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2458
[2026-08-08T05:20:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-08-08T05:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-08-08T05:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-08-08T05:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2462
[2026-08-08T05:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T05:30:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T05:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2462
[2026-08-08T05:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2455
[2026-08-08T05:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-08-08T05:45:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-08-08T05:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2473
[2026-08-08T05:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2472
[2026-08-08T05:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2473
[2026-08-08T06:00:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2475
[2026-08-08T06:00:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T06:00:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T06:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2481
[2026-08-08T06:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2471
[2026-08-08T06:10:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2472
[2026-08-08T06:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2488
[2026-08-08T06:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2480
[2026-08-08T06:25:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2497
[2026-08-08T06:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-08-08T06:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T06:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T06:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T06:35:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-08-08T06:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2502
[2026-08-08T06:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2490
[2026-08-08T06:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-08-08T06:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-08-08T06:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2505
[2026-08-08T06:55:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-08T07:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-08-08T07:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2505
[2026-08-08T07:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T07:00:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T07:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-08-08T07:05:00] living_room_light_1 | OnOff.OnOff = True
[2026-08-08T07:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-08-08T07:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-08-08T07:10:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-08T07:15:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-08-08T07:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-08-08T07:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-08-08T07:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-08-08T07:30:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T07:30:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T07:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-08-08T07:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-08-08T07:40:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-08T07:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-08-08T07:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-08-08T07:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-08T07:55:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-08-08T08:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-08T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T08:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T08:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T08:05:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-08-08T08:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-08T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-08T08:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-08T08:20:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-08T08:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-08T08:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-08T08:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-08T08:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T08:30:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T08:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-08T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-08T08:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-08T08:45:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-08T08:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-08T08:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-08T08:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-08T09:00:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-08T09:00:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T09:00:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-08T09:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-08T09:10:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-08T09:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-08-08T09:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-08T09:25:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-08T09:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-08T09:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-08T09:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0

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

请按以下 JSON 格式回答：

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

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

Chosen response:
{
  "is_anomaly": false,
  "confidence": "medium",
  "threat_type": "none",
  "threat_description": "当前日志更符合正常模式，不建议报警。",
  "reasoning": [
    "推理步骤1: 正常样本是起床链路的短时活动；异常样本是长时间单点持续 Occupied。"
  ],
  "key_evidence": [
    "正常样本是起床链路的短时活动；异常样本是长时间单点持续 Occupied。"
  ],
  "recommended_actions": [
    "继续监测，无需立即处置。"
  ]
}

Rejected response:
```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_drift",
  "threat_description": "客厅温度传感器检测到严重的数据漂移，读数在夜间至清晨时段持续异常升高（从 23°C 升至 25°C+），远超正常环境温度变化范围，且与其他房间传感器数据不匹配。",
  "reasoning": [
    "推理步骤 1: 分析时间序列数据发现，从 01:00 到 09:30，living_room_temp_sensor 的读数呈现非自然的线性上升趋势，数值从 23.01 (2301) 一路攀升至 25.41 (2541)，并在部分时刻达到 25.53 (2553)。",
    "推理步骤 2: 对比同一时间段内其他房间的温度传感器数据（如 master_bedroom_temp_sensor 和 kitchen_temp_sensor），虽然它们也有上升，但幅度较小且波动更自然，或者在某些时间点（如 07:00-08:00）出现下降或持平，这与客厅传感器持续单调递增的模式形成鲜明对比。",
    "推理步骤 3: 结合物理常识，凌晨 01:00 至 06:00 期间室内无人活动（occupancy 均为 0），空调通常处于关闭或节能模式，不可能导致室温在短短 5 小时内自然升高超过 2 摄氏度并维持在高位。这种‘无热源输入下的持续升温’是典型的传感器校准失效或硬件故障特征（Sensor Drift）。",
    "推理步骤 4: 该异常可能导致基于此传感器的自动化逻辑（如误判过热开启空调、误触发高温警报）失效，属于设备健康隐患。"
  ],
  "key_evidence": [
    "living_room_temp_sensor 在 01:00 至 06:00 无人居住期间，温度读数从 2301 持续上升至 2475，增幅达 174 单位（约 1.74°C），速率异常。",
    "在 07:00 之后，尽管有人进入主卧（master_bedroom_occupancy=1），客厅温度读数并未因人员活动产生相应的动态波动，而是继续维持高位或缓慢变化，缺乏真实环境交互的特征。",
    "厨房和儿童房温度传感器在同一时段的数据走势与客厅明显不同步，排除了全屋性环境突变的可能性。"
  ],
  "recommended_actions": [
    "立即检查客厅温度传感器的电池电量及物理连接状态，排除接触不良导致的信号错误。",
    "将客厅温度传感器标记为‘需维护’，建议用户将其重置或重新校准。",
    "暂时禁用依赖该传感器进行自动温控或高温报警的逻辑，改用其他可靠传感器（如厨房或次卧传感器）作为参考，直至故障修复。",
    "联系设备制造商获取固件更新或硬件更换服务，以防传感器彻底损坏。"
  ]
}
```


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

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

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

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

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ1
- 重点房间: living_room
- 重点设备: living_room_ac, living_room_temp_sensor
- 已选事件数: 115

## 设备事件日志
[2026-07-04T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2275
[2026-07-04T07:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-07-04T07:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-04T07:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-07-04T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-04T08:29:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-04T08:54:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-07-04T09:19:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T09:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-04T09:44:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T09:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-04T10:02:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T10:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-07-04T10:09:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T10:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2455
[2026-07-04T10:19:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T10:22:07] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T10:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-07-04T10:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-04T10:34:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T10:37:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-04T10:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2437
[2026-07-04T10:53:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T10:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-04T10:59:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T11:02:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T11:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-07-04T11:19:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T11:21:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-07-04T11:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-04T11:29:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T11:32:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T11:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-07-04T11:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2424
[2026-07-04T11:49:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T11:53:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T11:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-07-04T12:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-07-04T12:04:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T12:07:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T12:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-07-04T12:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2423
[2026-07-04T12:24:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T12:28:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T12:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-07-04T12:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-07-04T12:37:09] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T12:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2502
[2026-07-04T12:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-07-04T12:54:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T12:57:09] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T13:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2396
[2026-07-04T13:00:00] living_room_ac | OnOff.OnOff = True
[2026-07-04T13:04:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T13:08:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T13:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2403
[2026-07-04T13:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2840
[2026-07-04T13:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-07-04T13:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2500
[2026-07-04T13:29:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T13:32:09] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T13:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2378
[2026-07-04T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2720
[2026-07-04T13:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2389
[2026-07-04T13:49:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T13:53:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T13:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2469
[2026-07-04T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2610
[2026-07-04T14:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2479
[2026-07-04T14:04:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T14:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2463
[2026-07-04T14:08:37] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-04T14:10:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T14:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2366
[2026-07-04T14:20:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T14:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2461
[2026-07-04T14:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-07-04T14:33:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T14:35:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T14:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-07-04T14:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2353
[2026-07-04T14:54:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T14:55:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T15:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2434
[2026-07-04T15:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-07-04T15:08:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T15:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-07-04T15:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2422
[2026-07-04T15:20:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T15:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2315
[2026-07-04T15:29:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T15:30:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T15:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2409
[2026-07-04T15:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2408
[2026-07-04T15:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2396
[2026-07-04T15:53:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T15:55:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T16:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2306
[2026-07-04T16:04:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T16:05:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T16:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2293
[2026-07-04T16:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2392
[2026-07-04T16:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2374
[2026-07-04T16:28:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T16:30:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T16:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2272
[2026-07-04T16:38:37] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-04T16:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2264
[2026-07-04T16:49:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T16:50:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T16:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2360
[2026-07-04T17:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2361

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

请按以下 JSON 格式回答：

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

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

Chosen response:
{
  "is_anomaly": false,
  "confidence": "medium",
  "threat_type": "none",
  "threat_description": "当前日志更符合正常模式，不建议报警。",
  "reasoning": [
    "推理步骤1: 正常样本空调开启后温度逐步下降；异常样本持续不降反升。"
  ],
  "key_evidence": [
    "正常样本空调开启后温度逐步下降；异常样本持续不降反升。"
  ],
  "recommended_actions": [
    "继续监测，无需立即处置。"
  ]
}

Rejected response:
```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "客厅温度传感器在空调开启后出现严重的数据漂移和逻辑矛盾，导致无法准确反映真实室温。",
  "reasoning": [
    "推理步骤 1: 在 2026-07-04T13:00:00 时，系统检测到客厅空调 (living_room_ac) 被开启 (OnOff.OnOff = True)，此时老人独居在家，预期空调应开始调节室温。",
    "推理步骤 2: 然而，在空调开启后的短时间内（13:15:00），客厅温度传感器报告的温度值异常飙升至 28.4°C (2840 mK)，随后在 13:35:00 再次跳变至 27.2°C (2720 mK)。",
    "推理步骤 3: 这种剧烈的温度波动与物理规律不符：一方面刚开启的空调通常不会瞬间导致室温急剧升高；另一方面，同一时间段内卧室温度稳定下降（从 24°C 降至 23°C 左右），且厨房温度也处于正常范围，排除了全屋普遍高温的可能性。这表明该传感器读数存在严重的故障或漂移，而非真实环境温度变化。"
  ],
  "key_evidence": [
    "2026-07-04T13:00:00 living_room_ac | OnOff.OnOff = True (空调开启)",
    "2026-07-04T13:15:00 living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2840 (异常高温)",
    "2026-07-04T13:35:00 living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2720 (持续异常)"
  ],
  "recommended_actions": [
    "立即检查并重新校准客厅温度传感器，或将其暂时移除以防误报触发其他联动规则。",
    "建议住户手动监测客厅实际温度，若感觉过热或过冷，请人工干预空调设置。",
    "联系设备供应商或技术支持，排查传感器硬件故障或固件 Bug。"
  ]
}
```


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

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

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

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

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ1
- 重点房间: living_room
- 重点设备: bedroom_temp_sensor, living_room_temp_sensor
- 已选事件数: 133

## 设备事件日志
[2026-07-17T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2267
[2026-07-17T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-07-17T09:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-17T09:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-17T09:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-07-17T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-17T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-07-17T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-17T10:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-07-17T10:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-07-17T10:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-17T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-17T10:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-17T11:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-17T11:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-17T11:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-17T11:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-17T11:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-07-17T12:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-07-17T12:00:57] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-17T12:05:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T12:10:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T12:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-07-17T12:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2428
[2026-07-17T12:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-07-17T12:26:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T12:30:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T12:35:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T12:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2411
[2026-07-17T12:40:16] bedroom_window | WindowCovering.CurrentPositionLiftPercent100ths = 10000
[2026-07-17T12:50:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T12:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-07-17T13:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2402
[2026-07-17T13:01:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T13:05:10] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T13:10:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T13:15:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T13:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-07-17T13:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2403
[2026-07-17T13:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2490
[2026-07-17T13:30:57] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-17T13:35:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T13:40:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T13:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2492
[2026-07-17T13:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2380
[2026-07-17T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2467
[2026-07-17T13:56:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T14:00:10] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T14:02:18] living_room_light | OnOff.OnOff = True
[2026-07-17T14:15:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T14:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2467
[2026-07-17T14:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2365
[2026-07-17T14:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2460
[2026-07-17T14:32:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T14:36:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T14:40:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T14:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-07-17T14:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2355
[2026-07-17T14:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-07-17T14:57:14] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T15:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2410
[2026-07-17T15:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2420
[2026-07-17T15:01:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T15:05:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T15:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-07-17T15:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2329
[2026-07-17T15:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2426
[2026-07-17T15:22:14] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T15:27:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T15:30:57] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-17T15:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2408
[2026-07-17T15:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2307
[2026-07-17T15:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2406
[2026-07-17T15:47:14] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T15:52:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T15:56:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T16:00:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T16:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2303
[2026-07-17T16:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2404
[2026-07-17T16:12:14] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T16:17:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T16:21:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T16:25:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T16:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2376
[2026-07-17T16:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2375
[2026-07-17T16:37:14] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T16:42:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T16:46:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T16:50:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T16:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2355
[2026-07-17T17:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2260
[2026-07-17T17:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-07-17T17:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2580
[2026-07-17T17:02:14] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T17:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2247
[2026-07-17T17:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2357
[2026-07-17T17:20:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T17:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2351
[2026-07-17T17:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2237
[2026-07-17T17:32:14] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T17:37:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T17:40:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T17:45:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T17:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2329
[2026-07-17T17:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2227
[2026-07-17T18:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2335
[2026-07-17T18:02:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T18:05:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T18:10:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T18:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2308
[2026-07-17T18:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2216
[2026-07-17T18:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2320
[2026-07-17T18:27:14] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T18:30:57] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-17T18:35:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T18:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2304
[2026-07-17T18:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2197
[2026-07-17T18:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2291
[2026-07-17T18:52:14] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T18:57:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T19:00:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T19:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2286
[2026-07-17T19:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2181
[2026-07-17T19:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2297
[2026-07-17T19:17:14] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T19:22:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T19:25:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T19:30:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T19:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2285
[2026-07-17T19:41:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T19:45:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T19:50:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T19:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2278

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

请按以下 JSON 格式回答：

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

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

Chosen response:
{
  "is_anomaly": false,
  "confidence": "medium",
  "threat_type": "none",
  "threat_description": "当前日志更符合正常模式，不建议报警。",
  "reasoning": [
    "推理步骤1: 正常样本两房间仍保持接近；异常样本差值突然扩大且只有一侧偏移。"
  ],
  "key_evidence": [
    "正常样本两房间仍保持接近；异常样本差值突然扩大且只有一侧偏移。"
  ],
  "recommended_actions": [
    "继续监测，无需立即处置。"
  ]
}

Rejected response:
```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_drift",
  "threat_description": "客厅温度传感器读数出现严重漂移，导致室内环境评估完全失真，存在误报或漏报风险。",
  "reasoning": [
    "推理步骤 1: 分析日志发现，从 09:00 到 12:25，living_room_temp_sensor 的 MeasuredValue 稳定在 2535-2558 之间（换算为摄氏度约为 25.3°C - 25.6°C），符合夏季白天室温特征。",
    "推理步骤 2: 在 17:00 整点时刻，该传感器数值突然跳变至 2520，而同一时刻 bedroom_temp_sensor 显示 2580（约 25.8°C），两者温差极小且均处于合理范围，表明此时传感器工作正常。",
    "推理步骤 3: 然而，在 17:00 之后的下一次报告（17:15）中，living_room_temp_sensor 数值骤降至 2357，随后持续下降至 19:55 的 2278（约 22.8°C）。这种在没有空调开启或关闭记录的情况下，短时间内（1 小时内）温度下降超过 2.5°C 的现象，与物理规律不符，且与卧室温度变化趋势不一致，确认为传感器数据漂移或故障。",
    "推理步骤 4: 考虑到独居老人家庭的安全需求，温度传感器的异常可能导致温控系统失效（如过热时无法制冷）或触发错误的火灾/烟雾报警联动，属于高优先级异常。"
  ],
  "key_evidence": [
    "2026-07-17T17:00:00 living_room_temp_sensor 读数为 2520 (25.2°C)，随后在 17:15:00 突变为 2357 (23.6°C)。",
    "同一时间段内，bedroom_temp_sensor 从 2580 缓慢下降至 2227，变化幅度平缓且符合自然散热规律，与客厅传感器的剧烈波动形成鲜明对比。",
    "日志中无关于客厅空调状态改变或窗户开合的对应事件来解释如此剧烈的温度骤降。"
  ],
  "recommended_actions": [
    "立即检查客厅温度传感器的硬件连接及供电情况，排除接触不良导致的信号跳变。",
    "将客厅温度传感器标记为‘不可信’，暂时依赖卧室温度传感器或手动校准后的数据进行环境监控。",
    "通知住户或物业人员尽快更换故障传感器，以防因温度误判引发其他连锁安全设备（如空调、新风系统）动作异常。"
  ]
}
```


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

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

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

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

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ1
- 重点房间: living_room
- 重点设备: bedroom_temp_sensor
- 已选事件数: 118

## 设备事件日志
[2026-07-25T00:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2176
[2026-07-25T08:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-25T08:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-07-25T08:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-25T08:33:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T08:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-07-25T08:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-25T08:58:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T09:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-07-25T09:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-25T09:23:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T09:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-07-25T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-25T09:48:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T09:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-07-25T10:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-25T10:13:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T10:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-07-25T10:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-07-25T10:38:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T10:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-07-25T10:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-25T11:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-25T11:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-25T11:08:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T11:12:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T11:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-07-25T11:18:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T11:23:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T11:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-07-25T11:29:59] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-25T11:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-07-25T11:38:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T11:42:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T11:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2424
[2026-07-25T11:48:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T11:53:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T11:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-07-25T11:59:59] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-25T12:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-07-25T12:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-07-25T12:13:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T12:17:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T12:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2421
[2026-07-25T12:23:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T12:28:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T12:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-07-25T12:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-07-25T12:43:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T12:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2418
[2026-07-25T12:53:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T12:57:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T13:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2414
[2026-07-25T13:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-07-25T13:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-07-25T13:18:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T13:20:08] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T13:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2403
[2026-07-25T13:28:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T13:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2379
[2026-07-25T13:42:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T13:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-07-25T13:50:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T13:50:14] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T13:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2375
[2026-07-25T13:58:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T14:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-07-25T14:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2362
[2026-07-25T14:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-25T14:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2470
[2026-07-25T14:10:14] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T14:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-07-25T14:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2470
[2026-07-25T14:22:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T14:25:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T14:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2463
[2026-07-25T14:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2355
[2026-07-25T14:43:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T14:45:14] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T14:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-07-25T14:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-07-25T14:57:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T15:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2446
[2026-07-25T15:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-07-25T15:10:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T15:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2324
[2026-07-25T15:18:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T15:20:14] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T15:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2412
[2026-07-25T15:29:59] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-25T15:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2411
[2026-07-25T15:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2415
[2026-07-25T15:42:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T15:45:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T15:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2313
[2026-07-25T15:53:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T15:55:14] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T16:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2297
[2026-07-25T16:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2400
[2026-07-25T16:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2399
[2026-07-25T16:17:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T16:20:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T16:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2279
[2026-07-25T16:28:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T16:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2274
[2026-07-25T16:40:14] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T16:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2361
[2026-07-25T16:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2377
[2026-07-25T16:52:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T16:55:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T17:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2369
[2026-07-25T17:10:14] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T17:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2247
[2026-07-25T17:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2353
[2026-07-25T17:35:14] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T17:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2225
[2026-07-25T17:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2319
[2026-07-25T18:00:14] living_room_occupancy | OccupancySensing.Occupancy = 1

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

请按以下 JSON 格式回答：

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

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

Chosen response:
{
  "is_anomaly": false,
  "confidence": "medium",
  "threat_type": "none",
  "threat_description": "当前日志更符合正常模式，不建议报警。",
  "reasoning": [
    "推理步骤1: 正常样本是小幅波动；异常样本出现不可能的极端跳变。"
  ],
  "key_evidence": [
    "正常样本是小幅波动；异常样本出现不可能的极端跳变。"
  ],
  "recommended_actions": [
    "继续监测，无需立即处置。"
  ]
}

Rejected response:
```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "卧室温度传感器 (bedroom_temp_sensor) 在 14:05:00 出现严重数据跳变，从 2362 mK (23.62°C) 瞬间跳升至 2550 mK (25.50°C)，随后又回落，且后续读数持续异常偏低，表明传感器可能发生故障或校准失效。",
  "reasoning": [
    "推理步骤 1: 分析日志发现 bedroom_temp_sensor 在 14:05:00 存在极不合理的瞬时跳变。前一秒读数为 2362 (约 23.6°C)，同一秒内报告了 2550 (约 25.5°C)，这种在同一时间点或极短时间内发生超过 1.8°C 的剧烈波动不符合物理规律（除非环境温度瞬间剧变，但客厅和厨房温度均稳定在 24-25°C 左右）。",
    "推理步骤 2: 检查跳变后的数据趋势。从 14:10:00 开始，卧室温度读数迅速下降至 2470，并在 15:15:00 至 17:45:00 期间持续呈现非线性的快速下降趋势（从 2324 降至 2225），而与此同时，同屋内的其他区域（如 living_room）温度变化平缓，且厨房温度也相对稳定。这表明卧室传感器的读数不再反映真实环境，而是出现了漂移或故障。",
    "推理步骤 3: 结合独居老人场景评估风险。虽然当前未触发高温报警，但温度传感器是火灾预警系统的关键组件。如果传感器因故障无法准确上报高温（例如实际起火时读数仍显示低温），将导致烟雾报警器联动失效或人工干预延迟，对独居老人构成重大安全隐患。此外，数据中的负值或极低值（如 2176 mK = 21.76°C 虽正常，但需确认单位换算逻辑是否一致，此处主要关注 14:05 的跳变和随后的异常下降）进一步佐证了设备健康状态不佳。"
  ],
  "key_evidence": [
    "2026-07-25T14:05:00 时刻 bedroom_temp_sensor 读数从 2362 瞬间变为 2550，随后立即回落并持续异常下降。",
    "卧室温度曲线与客厅、厨房温度曲线走势严重背离，且在无人员进出干扰的情况下出现持续性异常降温趋势。"
  ],
  "recommended_actions": [
    "立即通知住户或物业上门检查卧室温度传感器硬件状态，尝试重启设备或更换电池。",
    "在维修前，建议通过手动方式（如手持温度计）定期监测卧室实际温度，确保老人生活环境安全。",
    "检查该传感器与其他 Matter 设备的关联配置，确认是否存在固件版本错误或通信干扰导致的误报。"
  ]
}
```


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

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

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

## 家庭环境信息
家庭布局: 一室一厅 (Studio/1BR)
- 重点房间 living_room: 客厅主灯[dimmable_light], 客厅台灯[onoff_light], 客厅空调[air_conditioner], 客厅温度传感器[temperature_sensor], 客厅运动传感器[occupancy_sensor], 客厅窗帘[window_covering], 客厅窗户传感器[contact_sensor]
- 房间 bathroom: 卫生间灯[onoff_light], 卫生间运动传感器[occupancy_sensor], 卫生间漏水传感器[water_leak_detector]
- 房间 bedroom: 卧室灯[dimmable_light], 卧室运动传感器[occupancy_sensor], 卧室窗帘[window_covering], 卧室窗户传感器[contact_sensor], 卧室温度传感器[temperature_sensor]
- 房间 entrance: 入户门锁[door_lock], 入户门传感器[contact_sensor], 玄关灯[onoff_light]
- 房间 kitchen: 厨房灯[onoff_light], 厨房灶具[cook_surface], 厨房烟雾报警器[smoke_co_alarm], 厨房温度传感器[temperature_sensor], 厨房窗户传感器[contact_sensor], 洗碗机[dishwasher]

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

## 设备事件日志
[2026-08-14T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2263
[2026-08-14T08:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-08-14T09:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T09:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-08-14T09:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-08-14T09:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-08-14T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-14T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-14T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-08-14T10:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2442
[2026-08-14T10:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-08-14T10:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-08-14T10:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-14T10:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-14T10:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-14T11:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T11:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-08-14T11:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2443
[2026-08-14T11:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-08-14T11:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-14T11:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-14T12:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-14T12:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-08-14T12:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2429
[2026-08-14T12:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2416
[2026-08-14T12:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-08-14T12:26:03] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T12:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T12:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-08-14T12:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-08-14T12:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2415
[2026-08-14T12:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-08-14T13:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-08-14T13:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-08-14T13:11:23] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T13:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2502
[2026-08-14T13:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2396
[2026-08-14T13:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2389
[2026-08-14T13:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2391
[2026-08-14T13:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2490
[2026-08-14T13:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2492
[2026-08-14T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2471
[2026-08-14T14:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2477
[2026-08-14T14:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2481
[2026-08-14T14:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2373
[2026-08-14T14:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2375
[2026-08-14T14:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2463
[2026-08-14T14:26:03] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T14:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T14:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2446
[2026-08-14T14:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2458
[2026-08-14T14:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2342
[2026-08-14T14:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-08-14T15:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2434
[2026-08-14T15:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2410
[2026-08-14T15:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2420
[2026-08-14T15:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-08-14T15:11:23] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T15:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-08-14T15:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2322
[2026-08-14T15:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2320
[2026-08-14T15:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2306
[2026-08-14T15:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2421
[2026-08-14T15:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2412
[2026-08-14T15:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2401
[2026-08-14T16:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2394
[2026-08-14T16:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2299
[2026-08-14T16:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2285
[2026-08-14T16:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2391
[2026-08-14T16:26:03] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T16:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T16:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2368
[2026-08-14T16:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2366
[2026-08-14T16:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2262
[2026-08-14T16:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2360
[2026-08-14T17:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2367
[2026-08-14T17:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-08-14T17:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2580
[2026-08-14T17:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2366
[2026-08-14T17:11:23] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T17:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2348
[2026-08-14T17:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2238
[2026-08-14T17:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2247
[2026-08-14T17:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2242
[2026-08-14T17:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2341
[2026-08-14T17:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2337
[2026-08-14T17:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2325
[2026-08-14T18:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2322
[2026-08-14T18:01:00] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-08-14T18:01:22] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T18:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2328
[2026-08-14T18:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2314
[2026-08-14T18:11:23] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T18:21:22] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T18:26:03] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T18:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2711
[2026-08-14T18:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2705
[2026-08-14T18:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2704
[2026-08-14T18:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2209
[2026-08-14T18:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2207
[2026-08-14T18:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2195
[2026-08-14T18:59:00] kitchen_light | OnOff.OnOff = True
[2026-08-14T19:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2192
[2026-08-14T19:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2186
[2026-08-14T19:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2290
[2026-08-14T19:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2287
[2026-08-14T19:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2281
[2026-08-14T19:26:22] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T19:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2291
[2026-08-14T19:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2284
[2026-08-14T19:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2277
[2026-08-14T19:41:23] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T19:46:22] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T19:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2267
[2026-08-14T20:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2272
[2026-08-14T20:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2163
[2026-08-14T20:24:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T20:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2255
[2026-08-14T20:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2167
[2026-08-14T20:44:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T20:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2263
[2026-08-14T20:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2154
[2026-08-14T21:04:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T21:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2246
[2026-08-14T21:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2151
[2026-08-14T21:24:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T21:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2160
[2026-08-14T21:44:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T21:47:14] living_room_ac | OnOff.OnOff = False
[2026-08-14T22:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2254
[2026-08-14T22:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2148
[2026-08-14T22:14:02] living_room_occupancy | OccupancySensing.Occupancy = 1

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

请按以下 JSON 格式回答：

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

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

Chosen response:
{
  "is_anomaly": false,
  "confidence": "medium",
  "threat_type": "none",
  "threat_description": "当前日志更符合正常模式，不建议报警。",
  "reasoning": [
    "推理步骤1: 正常样本两房间仍保持接近；异常样本差值突然扩大且只有一侧偏移。"
  ],
  "key_evidence": [
    "正常样本两房间仍保持接近；异常样本差值突然扩大且只有一侧偏移。"
  ],
  "recommended_actions": [
    "继续监测，无需立即处置。"
  ]
}

Rejected response:
```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "厨房温度传感器在无人烹饪且无其他热源异常报告的情况下，出现剧烈且不符合物理规律的数值跳变（从约 24°C 瞬间升至 27°C），疑似传感器故障或数据上报错误。",
  "reasoning": [
    "推理步骤 1: 分析时间线发现，在 18:30 至 18:45 期间，厨房温度传感器 (kitchen_temp_sensor) 的读数从正常的 2463-2492 (x10) 突然跃升至 2711-2704 (x10)，即约 27.1°C 到 27.0°C。",
    "推理步骤 2: 结合上下文环境判断，此时入户门锁刚被手动打开不久 (18:01)，随后有人进入客厅和卧室，但日志中并未显示厨房灶具 (cook_surface) 开启、烟雾报警器触发或窗户打开等引入热源的迹象。",
    "推理步骤 3: 对比同一时间段内其他房间的温度变化，卧室温度持续下降 (从 2209 降至 2192)，符合夜间降温规律；而厨房温度的急剧上升缺乏合理的物理成因（如烤箱使用通常会有更长的预热过程或伴随其他设备动作），这种孤立且剧烈的数值突变极大概率是传感器硬件故障、校准丢失或通信干扰导致的误报。"
  ],
  "key_evidence": [
    "2026-08-14T18:30:00 厨房温度传感器读数突增至 2711 (27.11°C)，此前稳定在 24.x°C 区间。",
    "同期无厨房灶具开启记录，无烟雾报警，且住户活动主要集中在客厅和卧室，未进行高强度厨房作业。"
  ],
  "recommended_actions": [
    "立即检查厨房温度传感器的物理状态及电池电量，排除接触不良或损坏。",
    "建议重置该传感器并重新校准，若问题依旧则更换新设备。",
    "暂时忽略该传感器的温度告警，依赖烟雾报警器和人工巡检作为厨房安全的补充保障。"
  ]
}
```