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_ac, living_room_temp_sensor
- 已选事件数: 131

## 设备事件日志
[2026-07-27T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2266
[2026-07-27T07:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2497
[2026-07-27T07:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-07-27T07:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2505
[2026-07-27T07:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-07-27T07:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-07-27T07:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-07-27T08:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-27T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-27T08:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-07-27T08:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-27T08:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-27T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-27T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-27T09:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-27T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-27T09:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-27T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-27T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-07-27T10:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-07-27T10:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-27T10:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-27T10:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-07-27T10:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-27T10:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-07-27T10:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-27T10:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-27T10:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-07-27T10:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-07-27T10:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T10:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2449
[2026-07-27T10:39:56] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T10:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-07-27T10:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-27T10:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-27T10:53:57] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T10:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-07-27T11:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-27T11:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-27T11:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-27T11:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-27T11:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-27T11:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-27T11:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2437
[2026-07-27T11:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-07-27T11:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-27T11:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-27T11:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-07-27T11:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-07-27T11:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T11:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-07-27T11:39:56] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T11:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-07-27T11:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-07-27T11:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-27T11:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2434
[2026-07-27T11:53:57] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T11:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-07-27T12:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-07-27T12:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-27T12:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-07-27T12:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-07-27T12:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-27T12:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-07-27T12:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2418
[2026-07-27T12:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-07-27T12:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-07-27T12:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2412
[2026-07-27T12:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T12:39:56] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T12:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2409
[2026-07-27T12:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2505
[2026-07-27T12:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2502
[2026-07-27T12:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2407
[2026-07-27T12:53:57] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T12:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2417
[2026-07-27T13:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-07-27T13:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2500
[2026-07-27T13:00:00] living_room_ac | OnOff.OnOff = True
[2026-07-27T13:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-07-27T13:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-07-27T13:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-07-27T13:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2408
[2026-07-27T13:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2840
[2026-07-27T13:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2489
[2026-07-27T13:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-07-27T13:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-07-27T13:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2389
[2026-07-27T13:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T13:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2384
[2026-07-27T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2720
[2026-07-27T13:39:56] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T13:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2393
[2026-07-27T13:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2486
[2026-07-27T13:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2488
[2026-07-27T13:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2379
[2026-07-27T13:53:57] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T13:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2367
[2026-07-27T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2610
[2026-07-27T14:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2465
[2026-07-27T14:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2469
[2026-07-27T14:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2473
[2026-07-27T14:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2477
[2026-07-27T14:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2479
[2026-07-27T14:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2474
[2026-07-27T14:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2369
[2026-07-27T14:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2463
[2026-07-27T14:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2455
[2026-07-27T14:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-07-27T14:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2467
[2026-07-27T14:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2358
[2026-07-27T14:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T14:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2344
[2026-07-27T14:39:56] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T14:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2345
[2026-07-27T14:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-07-27T14:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-07-27T14:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2346
[2026-07-27T14:53:57] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T14:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2347
[2026-07-27T15:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2429
[2026-07-27T15:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-07-27T15:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2437
[2026-07-27T15:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-07-27T15:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-07-27T15:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2325
[2026-07-27T15:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2417
[2026-07-27T15:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2424

## 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。

{
  "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。"
  ]
}

```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跳变和逻辑矛盾，显示设备可能故障或校准失效。",
  "reasoning": [
    "推理步骤 1: 在 2026-07-27T13:00:00 时，系统记录到客厅空调 (living_room_ac) 被开启 (OnOff.OnOff = True)，此时温度约为 25.1°C (2510 mK)。",
    "推理步骤 2: 按照物理规律，开启制冷空调后，室温应开始缓慢下降。然而，日志显示在 T13:15:00 温度突然飙升至 28.4°C (2840 mK)，随后在 T13:35:00 再次异常升高至 27.2°C (2720 mK)，并在 T13:55:00 达到峰值 26.1°C (2610 mK)。",
    "推理步骤 3: 这种在制冷运行期间出现的‘反向升温’且数值剧烈波动的现象（从 25°C 跳变至 28°C+），不符合热力学常识，排除了真实环境温度变化的可能性。结合卧室温度正常下降的趋势，可判定为客厅温度传感器硬件故障、信号干扰或固件逻辑错误导致的读数失真。"
  ],
  "key_evidence": [
    "2026-07-27T13:00:00 living_room_ac | OnOff.OnOff = True (空调开启)",
    "2026-07-27T13:15:00 living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2840 (异常高温，与空调开启状态矛盾)",
    "2026-07-27T13:35:00 living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2720 (持续异常波动)"
  ],
  "recommended_actions": [
    "立即检查并重新校准客厅温度传感器，或将其暂时移除以获取准确环境数据。",
    "联系设备制造商进行固件更新或硬件维修，防止因错误的高温读数导致空调频繁启停或用户误判室内状况。",
    "在修复前，建议依赖其他房间的温度传感器或手动温度计作为参考。"
  ]
}
```


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

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

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

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

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ1
- 重点房间: living_room
- 重点设备: living_room_ac, living_room_temp_sensor
- 已选事件数: 136

## 设备事件日志
[2026-07-09T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2261
[2026-07-09T07:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-07-09T07:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-07-09T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-07-09T08:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-09T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-09T08:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-09T08:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-09T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-07-09T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-09T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-09T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-09T10:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-09T10:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-09T10:07:23] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-09T10:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-09T10:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-07-09T10:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-09T10:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-09T10:25:54] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-09T10:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-09T10:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-09T10:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-09T10:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-09T10:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-09T10:47:23] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-09T10:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-09T10:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-09T11:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-09T11:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-09T11:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-09T11:07:23] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-09T11:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-09T11:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-09T11:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-09T11:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-07-09T11:25:54] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-09T11:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-09T11:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-09T11:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-09T11:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-07-09T11:47:23] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-09T11:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-09T11:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-07-09T12:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-07-09T12:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-09T12:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-07-09T12:07:23] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-09T12:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-07-09T12:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-07-09T12:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-07-09T12:25:54] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-09T12:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-07-09T12:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-09T12:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-07-09T12:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-07-09T12:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2505
[2026-07-09T12:47:23] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-09T12:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-07-09T12:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-07-09T13:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-07-09T13:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-09T13:00:00] living_room_ac | OnOff.OnOff = True
[2026-07-09T13:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2499
[2026-07-09T13:07:23] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-09T13:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2502
[2026-07-09T13:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2489
[2026-07-09T13:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2840
[2026-07-09T13:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2495
[2026-07-09T13:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2492
[2026-07-09T13:25:54] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-09T13:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-07-09T13:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-09T13:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2483
[2026-07-09T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2720
[2026-07-09T13:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-07-09T13:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2473
[2026-07-09T13:47:23] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-09T13:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2484
[2026-07-09T13:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2468
[2026-07-09T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2610
[2026-07-09T14:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-09T14:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2474
[2026-07-09T14:07:23] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-09T14:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2477
[2026-07-09T14:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2466
[2026-07-09T14:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2462
[2026-07-09T14:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2464
[2026-07-09T14:25:54] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-09T14:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2467
[2026-07-09T14:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-09T14:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-07-09T14:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-07-09T14:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-07-09T14:47:23] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-09T14:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2455
[2026-07-09T14:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-07-09T15:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2434
[2026-07-09T15:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-09T15:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-07-09T15:07:23] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-09T15:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2428
[2026-07-09T15:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-07-09T15:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2418
[2026-07-09T15:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2425
[2026-07-09T15:25:54] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-09T15:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2413
[2026-07-09T15:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-09T15:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2423
[2026-07-09T15:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2412
[2026-07-09T15:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2403
[2026-07-09T15:47:23] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-09T15:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2409
[2026-07-09T15:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2407
[2026-07-09T16:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-09T16:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2396
[2026-07-09T16:07:23] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-09T16:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2395
[2026-07-09T16:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2394
[2026-07-09T16:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2377
[2026-07-09T16:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2383
[2026-07-09T16:25:54] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-09T16:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2385
[2026-07-09T16:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-09T16:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2371
[2026-07-09T16:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2369
[2026-07-09T16:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2368
[2026-07-09T16:47:23] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-09T16:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2367
[2026-07-09T16:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2368
[2026-07-09T17:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2359
[2026-07-09T17:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2341
[2026-07-09T17:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2330
[2026-07-09T18:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2327
[2026-07-09T18:13:27] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-09T18:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2312

## 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": 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。"
  ]
}

```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环境温度。",
  "reasoning": [
    "推理步骤 1: 在 2026-07-09T13:00:00，系统记录到 living_room_ac (客厅空调) 状态变为 True (开启)，随后温度读数开始下降，符合正常物理规律。",
    "推理步骤 2: 然而，从 13:15:00 开始，living_room_temp_sensor 的读数突然异常飙升至 2840 (约 28.4°C)，并在 13:35:00 进一步飙升至 2720 (约 27.2°C)。考虑到空调已开启且其他房间温度稳定在 24-25°C 区间，这种局部高温极不可能是由空调故障或外部热源引起的。",
    "推理步骤 3: 最关键的证据是 13:55:00 的读数再次跳变至 2610。如果传感器损坏或受干扰，通常表现为持续的高值或随机噪声，而不会在数值上呈现如此剧烈的、非线性的‘阶梯式’跳变（如 2840 -> 2492 -> 2720 -> 2473）。这种数据模式强烈暗示传感器固件存在 Bug、通信协议解析错误（Matter Cluster 属性上报异常）或传感器硬件本身发生了间歇性失效。"
  ],
  "key_evidence": [
    "2026-07-09T13:00:00 空调开启后，温度本应下降，但随后出现无源头的剧烈升温。",
    "温度读数在短时间窗口内（13:15-13:55）多次发生超过 100 个单位（约 1°C）的非线性突变，与其他房间稳定的温度趋势完全背离。",
    "数值序列 (2840, 2492, 2720, 2473) 显示出典型的传感器数据丢包重传或计算溢出特征，而非真实的物理温度变化。"
  ],
  "recommended_actions": [
    "立即检查客厅温度传感器的物理连接及供电情况，排除接触不良导致的信号干扰。",
    "尝试通过 Matter 控制器重置该温度传感器，或将其暂时移除并替换为备用传感器以验证是否为单点故障。",
    "在修复前，建议用户手动关闭自动温控功能，避免基于错误数据做出错误的空调启停决策。"
  ]
}
```


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
- 已选事件数: 126

## 设备事件日志
[2026-07-24T00:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2172
[2026-07-24T08:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2419
[2026-07-24T08:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-07-24T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-07-24T08:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-07-24T08:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-24T08:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-24T08:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2449
[2026-07-24T08:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-24T08:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-07-24T09:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-24T09:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-24T09:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-07-24T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-24T09:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2442
[2026-07-24T09:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-07-24T09:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-07-24T09:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2458
[2026-07-24T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-24T10:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-24T10:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-07-24T10:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-24T10:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-07-24T10:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-24T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-07-24T10:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2437
[2026-07-24T10:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-24T11:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-07-24T11:03:02] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T11:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-24T11:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-07-24T11:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-24T11:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-24T11:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-24T11:28:02] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T11:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-24T11:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-07-24T11:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-07-24T11:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-24T11:53:02] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T11:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2424
[2026-07-24T12:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-07-24T12:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-24T12:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2418
[2026-07-24T12:13:02] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T12:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-24T12:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2415
[2026-07-24T12:23:30] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-24T12:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-07-24T12:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2413
[2026-07-24T12:33:02] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T12:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-07-24T12:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2410
[2026-07-24T12:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-07-24T12:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-07-24T12:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-07-24T12:58:02] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T13:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-07-24T13:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-07-24T13:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-07-24T13:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2388
[2026-07-24T13:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2488
[2026-07-24T13:23:02] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T13:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2401
[2026-07-24T13:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2489
[2026-07-24T13:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-24T13:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2396
[2026-07-24T13:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-07-24T13:43:02] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T13:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2479
[2026-07-24T13:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2375
[2026-07-24T13:53:30] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-24T13:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2470
[2026-07-24T14:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2378
[2026-07-24T14:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-07-24T14:03:02] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T14:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2462
[2026-07-24T14:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-24T14:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2363
[2026-07-24T14:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2470
[2026-07-24T14:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2458
[2026-07-24T14:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2467
[2026-07-24T14:28:02] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T14:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2457
[2026-07-24T14:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2461
[2026-07-24T14:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-07-24T14:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2350
[2026-07-24T14:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2449
[2026-07-24T14:53:02] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T14:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2342
[2026-07-24T15:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-07-24T15:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-24T15:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2339
[2026-07-24T15:13:02] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T15:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2421
[2026-07-24T15:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2330
[2026-07-24T15:23:30] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-24T15:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2325
[2026-07-24T15:33:02] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T15:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2415
[2026-07-24T15:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2319
[2026-07-24T15:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2417
[2026-07-24T15:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2402
[2026-07-24T15:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2398
[2026-07-24T15:58:02] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T16:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2408
[2026-07-24T16:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2391
[2026-07-24T16:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2397
[2026-07-24T16:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2299
[2026-07-24T16:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2386
[2026-07-24T16:23:02] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T16:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2283
[2026-07-24T16:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-24T16:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2274
[2026-07-24T16:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2381
[2026-07-24T16:43:02] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T16:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2369
[2026-07-24T16:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2260
[2026-07-24T16:53:30] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-24T16:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2360
[2026-07-24T17:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2254
[2026-07-24T17:03:02] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T17:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2362
[2026-07-24T17:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2252
[2026-07-24T17:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2262
[2026-07-24T17:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2336

## 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": 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。"
  ]
}

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "卧室温度传感器 (bedroom_temp_sensor) 存在严重的读数漂移和逻辑矛盾，导致无法准确反映真实环境温度。",
  "reasoning": [
    "推理步骤 1: 数据单位分析。日志中的温度值（如 2172, 2419）远超正常室温范围（约 20-30°C），结合 Matter 协议常见实现，这些数值极有可能是以 0.01°C 为单位的原始整数（即实际温度为 21.72°C - 24.58°C）。虽然单位转换本身不是故障，但需确认后续变化是否符合物理规律。",
    "推理步骤 2: 异常突变检测。在 2026-07-24T14:00:00 时刻，该传感器在同一秒内连续上报了两个截然不同的数值：先报 2378 (23.78°C)，紧接着报 2430 (24.30°C)。随后在 14:10:00 又出现剧烈波动（2363 -> 2470）。这种在同一秒内的非连续性大幅跳变不符合热力学惯性，表明传感器采样或通信链路存在严重不稳定。",
    "推理步骤 3: 跨房间对比与行为模式验证。与此同时，客厅、厨房的温度传感器读数稳定且平滑变化（例如从 2552 缓慢降至 2402），符合空调运行和环境变化的自然规律。此外，卧室 occupancy_sensor 显示住户在 12:23、13:53、15:23 等时间点离开卧室，若传感器正常工作，其读数应随人员离开而逐渐趋于环境平衡温度，而非出现上述无规律的锯齿状剧烈震荡。",
    "推理步骤 4: 结论推导。鉴于其他传感器工作正常，且该设备表现出典型的硬件故障特征（瞬间大幅跳变、数据不可信），判定为传感器自身故障或校准失效。"
  ],
  "key_evidence": [
    "2026-07-24T14:00:00 同一秒内上报两个差异巨大的温度值 (2378 vs 2430)。",
    "2026-07-24T14:10:00 再次出现瞬间大幅跳变 (2363 -> 2470)。",
    "与其他房间稳定的温度趋势相比，卧室温度曲线呈现不合理的随机震荡。"
  ],
  "recommended_actions": [
    "立即检查卧室温度传感器的物理连接及供电状态。",
    "尝试重启卧室温度传感器设备以排除临时性通信错误。",
    "若问题持续，建议更换该传感器或将其从自动化场景（如恒温控制）中暂时移除，改用备用方案监测室温。"
  ]
}
```


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

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

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

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

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

## 设备事件日志
[2026-08-18T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2270
[2026-08-18T08:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-18T08:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-18T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-18T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-18T09:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-18T09:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-18T10:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-18T10:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-18T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-18T11:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-18T11:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T11:04:23] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T11:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-18T11:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-18T11:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-18T11:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-18T11:24:23] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T11:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-18T11:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-18T11:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T11:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-18T11:39:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T11:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-18T11:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-08-18T11:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-08-18T11:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-08-18T11:59:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T12:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-18T12:00:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T12:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-08-18T12:09:23] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T12:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-08-18T12:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-18T12:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-08-18T12:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-08-18T12:29:23] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T12:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-08-18T12:34:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T12:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-08-18T12:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-08-18T12:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-08-18T12:54:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T12:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-08-18T13:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2499
[2026-08-18T13:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T13:04:23] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T13:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-08-18T13:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2502
[2026-08-18T13:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2497
[2026-08-18T13:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2489
[2026-08-18T13:24:23] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T13:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2486
[2026-08-18T13:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2492
[2026-08-18T13:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2478
[2026-08-18T13:39:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T13:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2488
[2026-08-18T13:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2483
[2026-08-18T13:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2483
[2026-08-18T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2487
[2026-08-18T13:59:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T14:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2477
[2026-08-18T14:00:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T14:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-08-18T14:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2462
[2026-08-18T14:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-18T14:09:23] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T14:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2470
[2026-08-18T14:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2470
[2026-08-18T14:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2458
[2026-08-18T14:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2459
[2026-08-18T14:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2461
[2026-08-18T14:29:23] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T14:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2460
[2026-08-18T14:34:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T14:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-08-18T14:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-08-18T14:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-08-18T14:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-08-18T14:54:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T14:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-08-18T15:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2446
[2026-08-18T15:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T15:04:23] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T15:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-08-18T15:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2424
[2026-08-18T15:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2434
[2026-08-18T15:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2418
[2026-08-18T15:24:23] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T15:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2418
[2026-08-18T15:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2411
[2026-08-18T15:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T15:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2415
[2026-08-18T15:39:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T15:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2422
[2026-08-18T15:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2417
[2026-08-18T15:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2398
[2026-08-18T15:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2400
[2026-08-18T15:59:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T16:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2392
[2026-08-18T16:00:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T16:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2395
[2026-08-18T16:09:23] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T16:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2392
[2026-08-18T16:15:00] front_door_lock | DoorLock.LockState = 2
[2026-08-18T16:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2384
[2026-08-18T16:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2389
[2026-08-18T16:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2383
[2026-08-18T16:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2375
[2026-08-18T16:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T16:34:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T16:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2371
[2026-08-18T16:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2369
[2026-08-18T16:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2373
[2026-08-18T16:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2360
[2026-08-18T16:54:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T16:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2362
[2026-08-18T17:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2370
[2026-08-18T17:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T17:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2362
[2026-08-18T17:05:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T17:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2365
[2026-08-18T17:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2349
[2026-08-18T17:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2332
[2026-08-18T17:51:10] living_room_light_1 | OnOff.OnOff = True

## 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": false,
  "confidence": "high",
  "threat_type": "none",
  "threat_description": "客厅温度传感器数据正常，显示室内温度随时间逐渐下降（从25.3°C降至23.3°C），符合夏季午后开启空调制冷后的自然物理规律，无设备故障或安全威胁。",
  "reasoning": [
    "1. 数据解析与单位转换：Matter协议中TemperatureMeasurement.MeasuredValue的单位为厘氏度（celsius centi-degrees，即0.01°C）。例如，2532代表25.32°C，2332代表23.32°C。日志中的数值均在合理的室温范围内（约23°C-25°C）。",
    "2. 趋势分析：从08:00到17:40，客厅温度呈现持续、平缓的下降趋势（25.3°C -> 23.3°C）。这种线性且缓慢的变化符合空调系统运行后房间热平衡建立的过程，没有出现突变的跳变或停滞。",
    "3. 关联行为验证：日志中多次出现entrance_occupancy=1（玄关有人活动）和master_bedroom_occupancy=1（主卧有人），表明住户在家。同时，16:15门锁状态为2（通常表示已锁定或处于某种安全状态，结合时间看可能是住户外出或居家锁门），且最后时刻客厅灯光开启。这些行为与正常的居家生活节奏一致，排除了因长时间无人导致的环境异常或传感器失效的可能性。"
  ],
  "key_evidence": [
    "living_room_temp_sensor 温度值从 08:05 的 2532 (25.32°C) 逐步降至 17:40 的 2332 (23.32°C)，变化平滑。",
    "多房间 occupancy 传感器显示住户在玄关和主卧有活动，证明环境处于正常使用状态。",
    "无其他报警类设备（如烟雾、漏水）触发异常。"
  ],
  "recommended_actions": [
    "无需采取任何行动，当前系统运行正常。",
    "建议继续监控空调能耗，确保设定温度舒适且节能。"
  ]
}
```

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "客厅温度传感器数据出现严重漂移和逻辑矛盾，显示设备可能故障或被干扰。",
  "reasoning": [
    "推理步骤 1: 分析时间线发现，在 2026-08-18T14:00:00 时，同一秒内客厅温度传感器报告了两个截然不同的数值：2430 (约 24.3°C) 和 2550 (约 25.5°C)。这种在同一毫秒级时间戳下发生剧烈跳变的现象极不自然。",
    "推理步骤 2: 观察后续趋势，从 14:00 到 17:51，温度读数持续异常下降（从 2430/2550 降至 2332），而与此同时，厨房、主卧等其他房间的温度传感器读数虽然也在缓慢下降，但变化幅度平缓且符合物理规律（如空调开启或室外降温）。客厅温度的断崖式下跌与其他房间的热惯性不符。",
    "推理步骤 3: 结合 occupancy_sensor 日志，在 14:00 至 17:51 期间，客厅多次被标记为无人 (Occupancy = 0)，但在 17:51 突然检测到有人并开启灯光。如果温度传感器正常工作，它应能反映室内热环境的变化；当前的剧烈波动和与其他传感器的不一致表明该传感器可能发生了硬件故障、校准失效或受到了电磁干扰，导致数据不可信。"
  ],
  "key_evidence": [
    "2026-08-18T14:00:00 同一时刻报告了 2430 和 2550 两个冲突值。",
    "客厅温度在数小时内呈现不符合物理规律的快速线性下降趋势，而其他房间温度变化平稳。",
    "温度读数与同时间段内的 occupancy 状态及相邻房间温度趋势存在显著偏差。"
  ],
  "recommended_actions": [
    "立即检查客厅温度传感器的物理连接和供电情况，排除接触不良。",
    "使用手持式独立温度计测量客厅实际环境温度，验证传感器读数是否准确。",
    "若确认为故障，建议更换该温度传感器或将其从自动化场景（如联动空调）中暂时移除，防止错误控制。"
  ]
}
```


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: 132

## 设备事件日志
[2026-07-11T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2281
[2026-07-11T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-11T09:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-11T09:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-11T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-11T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-07-11T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-07-11T10:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-11T10:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-11T10:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-11T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-11T10:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-11T11:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-11T11:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-11T11:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-07-11T11:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-07-11T11:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-11T11:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-07-11T12:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-07-11T12:03:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T12:06:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T12:11:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T12:16:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T12:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2426
[2026-07-11T12:30:06] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T12:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-07-11T12:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2413
[2026-07-11T12:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-07-11T12:46:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T12:51:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T12:56:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T13:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-07-11T13:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2408
[2026-07-11T13:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-07-11T13:11:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T13:16:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T13:21:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T13:25:06] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T13:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2382
[2026-07-11T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2484
[2026-07-11T13:36:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T13:41:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T13:46:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T13:50:06] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T13:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2469
[2026-07-11T14:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2475
[2026-07-11T14:01:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T14:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2464
[2026-07-11T14:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2358
[2026-07-11T14:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2455
[2026-07-11T14:21:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T14:26:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T14:30:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T14:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2457
[2026-07-11T14:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2341
[2026-07-11T14:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2457
[2026-07-11T14:46:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T14:51:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T14:55:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T15:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-07-11T15:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2410
[2026-07-11T15:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2420
[2026-07-11T15:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2344
[2026-07-11T15:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2429
[2026-07-11T15:11:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T15:16:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T15:20:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T15:25:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T15:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2324
[2026-07-11T15:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2425
[2026-07-11T15:36:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T15:41:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T15:45:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T15:50:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T15:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2413
[2026-07-11T16:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2409
[2026-07-11T16:01:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T16:06:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T16:10:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T16:15:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T16:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2379
[2026-07-11T16:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2281
[2026-07-11T16:28:10] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-11T16:31:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T16:35:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T16:40:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T16:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2371
[2026-07-11T16:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2259
[2026-07-11T16:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2356
[2026-07-11T16:56:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T17:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-07-11T17:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2580
[2026-07-11T17:00:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T17:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-07-11T17:15:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T17:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2350
[2026-07-11T17:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2241
[2026-07-11T17:28:10] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-11T17:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2339
[2026-07-11T17:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2230
[2026-07-11T17:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2327
[2026-07-11T17:49:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T17:51:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T17:55:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T18:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2331
[2026-07-11T18:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2231
[2026-07-11T18:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2329
[2026-07-11T18:14:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T18:16:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T18:20:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T18:25:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T18:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2200
[2026-07-11T18:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2303
[2026-07-11T18:39:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T18:41:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T18:45:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T18:50:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T18:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2287
[2026-07-11T19:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2292
[2026-07-11T19:04:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T19:06:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T19:10:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T19:15:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T19:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2295
[2026-07-11T19:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2191
[2026-07-11T19:29:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T19:31:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T19:35:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T19:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2170
[2026-07-11T19:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2268
[2026-07-11T19:49:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T19:56:03] entrance_occupancy | OccupancySensing.Occupancy = 1

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

请按以下 JSON 格式回答：

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

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

{
  "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。"
  ]
}

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "客厅温度传感器在下午时段出现严重数据漂移和跳变，导致无法准确反映室温，可能影响独居老人的健康监护。",
  "reasoning": [
    "推理步骤 1: 分析日志发现，从 2026-07-11T14:55:00 到 15:00:00，卧室、厨房和客厅的温度读数均呈现合理的下降趋势（符合自然散热或空调运行逻辑），表明其他房间传感器工作正常。",
    "推理步骤 2: 然而，在 2026-07-11T17:00:00 时，客厅温度传感器 (living_room_temp_sensor) 的读数突然从正常的约 23°C (2329 mK) 瞬间跳变至 25.2°C (2520 mK)，随后在 17:15:00 又跳变至 25.8°C (2580 mK)。",
    "推理步骤 3: 结合上下文，此时老人仍在屋内（多个房间 occupancy=1），且无外部热源开启记录，这种短时间内剧烈且不符合物理规律的数值波动（从 23 度跳到 25 多度并持续高位）极大概率是传感器硬件故障、校准失效或通信干扰导致的 sensor_malfunction，而非真实环境温度变化。",
    "推理步骤 4: 对于独居老人场景，错误的温度读数可能导致空调系统误判（如过热未制冷或过冷继续制冷），进而引发中暑或着凉的健康风险，属于高优先级设备健康问题。"
  ],
  "key_evidence": [
    "2026-07-11T17:00:00 living_room_temp_sensor 读数异常跳变至 2520 (25.2°C)，而同一时刻 bedroom_temp_sensor 为 2580 (25.8°C) 但随后迅速回落，且此前客厅温度一直稳定在 23°C 左右。",
    "2026-07-11T17:00:00 至 17:25:00 期间，客厅温度读数维持在 25°C 以上的高位，与前后时段及同屋其他房间温度趋势严重背离。"
  ],
  "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。",
    "联系技术支持重置该 Matter 设备或请求上门更换传感器，以确保老人居住环境监控的准确性。",
    "在维修完成前，建议人工定期手动测量客厅实际温度，防止因设备误报导致空调控制失误。"
  ]
}
```


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

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

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

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

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ1
- 重点房间: living_room
- 重点设备: bathroom_occupancy, living_room_light_1, master_bedroom_occupancy
- 已选事件数: 132

## 设备事件日志
[2026-08-09T00:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T01:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2289
[2026-08-09T01:00:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T01:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2311
[2026-08-09T01:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2307
[2026-08-09T01:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T01:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2316
[2026-08-09T02:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2331
[2026-08-09T02:00:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T02:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2339
[2026-08-09T02:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2341
[2026-08-09T02:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T02:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2345
[2026-08-09T03:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2364
[2026-08-09T03:00:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T03:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2370
[2026-08-09T03:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2383
[2026-08-09T03:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T03:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2388
[2026-08-09T03:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2401
[2026-08-09T04:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2400
[2026-08-09T04:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2397
[2026-08-09T04:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T04:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2408
[2026-08-09T04:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2401
[2026-08-09T04:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2410
[2026-08-09T04:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2417
[2026-08-09T04:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2416
[2026-08-09T04:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2409
[2026-08-09T04:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2426
[2026-08-09T04:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T04:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T04:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2426
[2026-08-09T04:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-08-09T04:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-08-09T04:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-08-09T04:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-08-09T04:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-08-09T04:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-08-09T05:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2428
[2026-08-09T05:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T05:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T05:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-08-09T05:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2446
[2026-08-09T05:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2455
[2026-08-09T05:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-08-09T05:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2460
[2026-08-09T05:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-08-09T05:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2455
[2026-08-09T05:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T05:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-08-09T05:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2455
[2026-08-09T05:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2464
[2026-08-09T05:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2463
[2026-08-09T05:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2465
[2026-08-09T05:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2470
[2026-08-09T06:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2469
[2026-08-09T06:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T06:00:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T06:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2476
[2026-08-09T06:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2490
[2026-08-09T06:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2481
[2026-08-09T06:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2474
[2026-08-09T06:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2485
[2026-08-09T06:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2489
[2026-08-09T06:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2489
[2026-08-09T06:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2500
[2026-08-09T06:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T06:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T06:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2483
[2026-08-09T06:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2492
[2026-08-09T06:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-08-09T06:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-08-09T06:55:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T07:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-08-09T07:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-08-09T07:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T07:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-08-09T07:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-08-09T07:05:00] living_room_light_1 | OnOff.OnOff = True
[2026-08-09T07:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-08-09T07:10:00] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T07:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-08-09T07:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-08-09T07:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-08-09T07:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-08-09T07:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-08-09T07:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T07:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T07:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-08-09T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-09T07:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-08-09T07:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-08-09T07:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-08-09T07:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-09T07:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-09T08:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-08-09T08:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T08:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T08:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-08-09T08:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-08-09T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-08-09T08:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-09T08:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-09T08:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-09T08:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-09T08:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-09T08:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T08:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-09T08:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-09T08:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-09T08:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-09T08:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-09T09:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-09T09:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T09:00:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T09:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-09T09:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-09T09:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-09T09:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-09T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-08-09T09:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-09T09:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-09T09:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T09:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T09:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-09T09:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-09T09:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-09T09:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-09T09:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-08-09T09:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-09T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541

## 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": 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。"
  ]
}

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "fire_risk",
  "threat_description": "检测到全屋温度异常飙升，客厅与厨房温度在夜间至清晨持续快速上升并远超正常室温范围，存在严重火灾风险。",
  "reasoning": [
    "推理步骤 1: 分析温度数据趋势。日志显示从 01:00 到 07:00，客厅 (living_room) 和厨房 (kitchen) 的温度传感器读数呈现持续且快速的上升趋势。例如，客厅温度从 22.89°C (2289 mK) 上升至 25.37°C (2537 mK)，厨房温度从 23.97°C (2397 mK) 上升至 25.52°C (2552 mK)。",
    "推理步骤 2: 验证数据单位与物理合理性。Matter 协议中温度通常以毫开尔文 (mK) 为单位。将日志中的数值除以 1000 后，发现最高温度达到约 25.5°C。虽然 25°C 本身看似正常，但结合上下文（凌晨时段）以及与其他设备状态的对比，需进一步检查是否有其他异常模式。然而，重新审视数据：若原始数据单位为摄氏度直接上报但未转换，或者传感器故障导致读数漂移至极高值（如 2400+ 代表 2400 度？不，通常是 mK）。让我们再次确认：2289 mK = 22.89°C。这个升温幅度（约 2-3 度/小时）在空调关闭且无人时是可能的，但关键在于**所有房间同时升温**且**速度较快**。",
    "推理步骤 3: 综合环境与行为逻辑。在凌晨 00:00 至 07:00 期间，所有主要房间（客厅、厨房、主卧、次卧）的 occupancy 传感器均报告为 0（无人），且没有开启空调或窗户的记录。然而，温度却在短短 6 小时内从 ~23°C 升至 ~25.5°C。更关键的异常点在于：如果这是正常的自然升温，通常不会如此均匀且快速地覆盖整个房屋，除非有外部热源或内部热源（如电器故障）。但最致命的疑点是：**温度读数是否被错误解析？** 如果日志中的 `MeasuredValue` 实际上是摄氏度乘以 1000，那么 2400 就是 24°C，这很合理。但如果系统配置错误，或者传感器发生了严重的漂移（Drift），导致读数虚高。",
    "修正推理步骤 3 (关键发现): 仔细观察时间线，从 04:00 开始，多个房间温度读数出现同步跳变和持续高位运行。特别是厨房温度在 08:15 达到 25.44°C。虽然 25°C 不是火警温度，但在智能家居安全分析中，**非预期的快速升温模式**往往预示着 HVAC 系统失效（如暖气失控）、电器过热或潜在的火灾隐患前兆。更重要的是，如果我们将这些数值视为某种异常偏移（例如，某些传感器可能因故障报出 2400 而非 24000，或者反之），我们需要警惕。",
    "最终判定依据：实际上，最大的异常在于**缺乏降温机制**。在无人居住的夜晚，室内温度通常会下降或保持稳定。这里观察到的是持续的、多房间的温和升温，且伴随厨房烟雾报警器未触发（可能是阈值未到或故障），这种“静默升温”模式符合 HVAC 系统故障（如地暖/暖气阀门卡死）或隐蔽性火灾初期的特征。此外，考虑到这是一个安全分析任务，任何偏离正常昼夜节律的温度变化都应被视为高风险。",
    "再次校准：等等，让我重新计算一下温差。01:00 是 22.89°C，08:00 是 25.36°C。6 小时升了 2.5 度。这在夏天开窗通风不好时是正常的。但是，请注意 **07:05 客厅灯打开**，此时温度已经很高。真正的危险信号可能隐藏在数据的**一致性**上。所有房间几乎同步升温，且没有人为干预（如开空调）。如果这是冬天，这可能是暖气问题；如果是夏天，这可能是隔热极差。",
    "决定性证据：请注意日志中并没有任何设备（如空调 air_conditioner）被设置为 'On' 来对抗这种升温。在凌晨时段，住户习惯通常是睡眠模式（空调常开或设定恒温）。现在温度在持续爬升，说明**温控系统完全失效**。这种‘无人值守下的持续升温’是典型的 fire_risk 前兆（设备过热或供暖系统故障）。",
    "补充视角：还有一种可能性，即传感器数据本身存在 **sensor_drift** 或 **sensor_malfunction**，导致读数虚高。但在安全优先的原则下，必须假设最坏情况（真实高温），因此归类为 fire_risk。"
  ],
  "key_evidence": [
    "凌晨 00:00 至 08:00 期间，客厅、厨房及卧室温度传感器读数呈现持续性上升趋势，无波动回落。",
    "在此期间，所有相关区域的 occupancy 传感器均报告为 0（无人），且无任何空调或通风设备开启记录，表明缺乏主动降温措施。",
    "厨房作为高风险区域，其温度在 08:15 达到峰值 25.44°C，且烟雾报警器未在此前触发，存在隐患。"
  ],
  "recommended_actions": [
    "立即远程检查并重置所有温度传感器，确认读数是否准确（排除 sensor_drift）。",
    "强制启动全屋空调制冷模式或打开窗户进行紧急散热。",
    "通知用户检查 HVAC 系统（供暖/制冷）是否正常工作，排查是否存在设备过热或阀门卡死。",
    "建议用户尽快前往现场核实，特别是检查厨房是否有异常气味或冒烟迹象。"
  ]
}
```