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: 138

## 设备事件日志
[2026-07-05T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2279
[2026-07-05T07:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-07-05T07:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-07-05T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-07-05T08:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-07-05T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-07-05T08:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-05T08:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-05T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-05T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-07-05T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-07-05T09:51:09] living_room_light_1 | OnOff.OnOff = True
[2026-07-05T09:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-05T10:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-07-05T10:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-07-05T10:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-07-05T10:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2559
[2026-07-05T10:11:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T10:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-05T10:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-05T10:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-05T10:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-07-05T10:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-05T10:34:33] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-05T10:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-05T10:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-07-05T10:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-05T10:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-05T10:51:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T10:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-05T11:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-05T11:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-07-05T11:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-05T11:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-07-05T11:11:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T11:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2812
[2026-07-05T11:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-05T11:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-05T11:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-05T11:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-05T11:34:33] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-05T11:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2943
[2026-07-05T11:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-05T11:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-05T11:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-07-05T11:51:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T11:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-07-05T12:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2768
[2026-07-05T12:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-07-05T12:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-05T12:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-07-05T12:16:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T12:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2596
[2026-07-05T12:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-07-05T12:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-07-05T12:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-05T12:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-07-05T12:36:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T12:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-07-05T12:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-07-05T12:48:30] kitchen_window_contact | BooleanState.StateValue = False
[2026-07-05T12:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-07-05T12:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-07-05T13:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-07-05T13:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-05T13:00:00] living_room_ac | OnOff.OnOff = True
[2026-07-05T13:04:33] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-05T13:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-07-05T13:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-07-05T13:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-07-05T13:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2920
[2026-07-05T13:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-07-05T13:21:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T13:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-07-05T13:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-07-05T13:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-07-05T13:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2483
[2026-07-05T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2940
[2026-07-05T13:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2489
[2026-07-05T13:41:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T13:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2486
[2026-07-05T13:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2472
[2026-07-05T13:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2469
[2026-07-05T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2960
[2026-07-05T14:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2479
[2026-07-05T14:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-05T14:04:33] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-05T14:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2468
[2026-07-05T14:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2466
[2026-07-05T14:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2461
[2026-07-05T14:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2465
[2026-07-05T14:21:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T14:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-07-05T14:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-07-05T14:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-07-05T14:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2449
[2026-07-05T14:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-07-05T14:41:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T14:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-07-05T14:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-07-05T14:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-07-05T15:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-07-05T15:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-05T15:04:33] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-05T15:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-07-05T15:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-07-05T15:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2425
[2026-07-05T15:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-07-05T15:21:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T15:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2417
[2026-07-05T15:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2413
[2026-07-05T15:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-07-05T15:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2410
[2026-07-05T15:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2407
[2026-07-05T15:41:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T15:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2408
[2026-07-05T15:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2396
[2026-07-05T15:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2403
[2026-07-05T16:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2397
[2026-07-05T16:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-05T16:04:33] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-05T16:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2398
[2026-07-05T16:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2388
[2026-07-05T16:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2393
[2026-07-05T16:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2391
[2026-07-05T16:21:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T16:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2389
[2026-07-05T16:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2378
[2026-07-05T16:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-07-05T16:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2383
[2026-07-05T16:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2378
[2026-07-05T16:41:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T16:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2363
[2026-07-05T16:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2365
[2026-07-05T16:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2369
[2026-07-05T17:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2363
[2026-07-05T17:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2357
[2026-07-05T17:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2352

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

请按以下 JSON 格式回答：

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

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

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "客厅温度传感器出现间歇性极高读数异常，疑似硬件故障或数据上报错误。",
  "reasoning": [
    "1. 分析客厅温度传感器（living_room_temp_sensor）的数据序列：在大部分时间段内，读数在2350-2560之间波动（对应约23.5°C-25.6°C），符合夏季室内正常温度范围。",
    "2. 识别异常点：在13:15、13:35和13:55三个时间点，传感器突然上报了2920、2940和2960的数值（对应约29.2°C-29.6°C）。",
    "3. 排除环境因素：同一时刻，其他房间（如主卧、次卧、厨房）的温度传感器读数均显示下降趋势或稳定在24°C左右，且没有空调关闭或窗户打开导致局部急剧升温的迹象（相反，客厅空调在13:00开启，通常会导致降温而非升温）。",
    "4. 确认故障模式：这些高读数与前后正常的读数相比呈现突发性尖峰，且随后立即恢复正常值（例如13:20读数为2494），这种“毛刺”现象是典型的传感器电子故障、ADC转换错误或通信干扰特征，而非真实的环境温度变化。"
  ],
  "key_evidence": [
    "[2026-07-05T13:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2920 (同时其他房间温度约为24.8°C)",
    "[2026-07-05T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2940 (同时其他房间温度约为24.8°C)",
    "[2026-07-05T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2960 (同时其他房间温度约为24.7°C)"
  ],
  "recommended_actions": [
    "检查客厅空调运行状态，确认是否因传感器误报高温导致空调过度制冷或频繁启停。",
    "对客厅温度传感器进行重启或重新配网测试；若问题持续，建议更换传感器硬件。",
    "暂时忽略该传感器的自动温控逻辑，改用手动控制或依赖其他正常工作的传感器数据进行参考。"
  ]
}
```

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


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

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

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

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

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ1
- 重点房间: living_room
- 重点设备: living_room_ac, living_room_temp_sensor
- 已选事件数: 131

## 设备事件日志
[2026-07-12T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2268
[2026-07-12T07:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T07:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-07-12T07:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-07-12T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-07-12T07:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-07-12T08:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-07-12T08:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-12T08:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T08:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-12T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-12T09:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-07-12T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-12T09:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-12T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-12T10:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-12T10:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T10:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T10:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T10:05:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-12T10:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-12T10:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-07-12T10:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-12T10:20:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-12T10:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-12T10:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-12T10:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-12T10:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T10:30:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T10:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-12T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-12T10:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-12T10:45:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-12T10:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-12T10:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-12T10:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-12T11:00:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-12T11:00:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T11:00:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T11:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-12T11:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-12T11:10:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-12T11:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-07-12T11:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-07-12T11:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-12T11:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-12T11:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T11:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T11:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T11:35:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-07-12T11:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-07-12T11:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-12T11:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-07-12T12:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-12T12:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-07-12T12:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T12:00:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T12:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-07-12T12:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-12T12:15:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-07-12T12:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-07-12T12:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-07-12T12:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-07-12T12:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-07-12T12:30:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T12:30:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T12:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-07-12T12:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-07-12T12:40:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-07-12T12:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-07-12T12:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-07-12T12:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-07-12T12:55:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-07-12T13:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-07-12T13:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T13:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T13:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T13:00:00] living_room_ac | OnOff.OnOff = True
[2026-07-12T13:05:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2497
[2026-07-12T13:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-07-12T13:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-07-12T13:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-07-12T13:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2920
[2026-07-12T13:20:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2499
[2026-07-12T13:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2499
[2026-07-12T13:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2486
[2026-07-12T13:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-07-12T13:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T13:30:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T13:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2490
[2026-07-12T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2940
[2026-07-12T13:45:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2487
[2026-07-12T13:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2474
[2026-07-12T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2487
[2026-07-12T13:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2470
[2026-07-12T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2960
[2026-07-12T14:00:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2470
[2026-07-12T14:00:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T14:00:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T14:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2478
[2026-07-12T14:10:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2459
[2026-07-12T14:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2460
[2026-07-12T14:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2467
[2026-07-12T14:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2469
[2026-07-12T14:25:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2468
[2026-07-12T14:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-07-12T14:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T14:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T14:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T14:35:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2460
[2026-07-12T14:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-07-12T14:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2442
[2026-07-12T14:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-07-12T14:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-07-12T15:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-07-12T15:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-07-12T15:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T15:00:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T15:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-07-12T15:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-07-12T15:15:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-07-12T15:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2426
[2026-07-12T15:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-07-12T15:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2422
[2026-07-12T15:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-07-12T15:30:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T15:30:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T15:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2418
[2026-07-12T15:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2420
[2026-07-12T15:40:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2419
[2026-07-12T15:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2402

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

请按以下 JSON 格式回答：

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

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

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "客厅温度传感器出现异常的高频跳变和数值突变，疑似硬件故障或数据上报错误。",
  "reasoning": [
    "1. 分析温度变化趋势：在2026-07-12 13:00至14:55期间，客厅温度传感器（living_room_temp_sensor）的读数在正常室温范围（约2400-2500，即24.0-25.0°C）与异常高温值（2920, 2940, 2960，即29.2-29.6°C）之间剧烈波动。",
    "2. 排除环境因素：同一时间段内，其他房间（如厨房、主卧、儿童房）的温度传感器读数均呈现平稳下降或缓慢变化的趋势（从~25°C降至~24°C），且没有显示任何导致客厅局部瞬间升温至29.6°C的热源活动（如空调关闭后未立即制冷，但随后又迅速回落）。",
    "3. 识别异常模式：在13:15、13:35、13:55三个时间点，客厅温度突然飙升至29°C以上，而在随后的15分钟间隔内又迅速回落到正常范围。这种周期性的、非物理平滑的“尖峰”读数不符合热惯性规律，是典型的传感器故障特征（如接触不良、ADC转换错误或固件Bug）。",
    "4. 结合设备状态：虽然13:00开启了客厅空调（OnOff=True），但这通常会导致温度缓慢下降，而不是产生间歇性的高温假象。因此，判断为传感器本身的数据采集或传输存在严重误差。"
  ],
  "key_evidence": [
    "[2026-07-12T13:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2920 (正常值应为~2493)",
    "[2026-07-12T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2940 (正常值应为~2486)",
    "[2026-07-12T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2960 (正常值应为~2487)",
    "对比参考：[2026-07-12T13:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493 (处于正常室温区间)"
  ],
  "recommended_actions": [
    "检查客厅温度传感器的电池电量及信号强度，尝试重新配对或重启设备。",
    "如果问题持续，建议更换客厅温度传感器硬件，并校准新设备的温度读数。",
    "暂时忽略该传感器的自动温控逻辑，改用手动控制或依赖其他正常工作的传感器进行空调调节。"
  ]
}
```

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


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

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

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

## 家庭环境信息
家庭布局: 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
[2026-07-02T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2274
[2026-07-02T07:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-07-02T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-07-02T08:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-07-02T08:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-02T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-07-02T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-07-02T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-02T10:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-02T10:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-07-02T10:09:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T10:10:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T10:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-02T10:19:09] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T10:20:33] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T10:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-02T10:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-02T10:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-07-02T10:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-02T10:44:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T10:45:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T10:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-07-02T10:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-02T11:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-02T11:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-02T11:09:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T11:10:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T11:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-02T11:19:09] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T11:20:33] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T11:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-02T11:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-02T11:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-02T11:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-07-02T11:44:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T11:45:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T11:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-02T11:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-02T12:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-02T12:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-07-02T12:09:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T12:10:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T12:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-07-02T12:19:09] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T12:20:33] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T12:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-07-02T12:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-07-02T12:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-07-02T12:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-07-02T12:44:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T12:45:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T12:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-07-02T12:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2499
[2026-07-02T13:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-02T13:00:00] living_room_ac | OnOff.OnOff = True
[2026-07-02T13:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-07-02T13:09:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T13:10:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T13:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-07-02T13:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2920
[2026-07-02T13:19:09] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T13:20:33] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T13:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2495
[2026-07-02T13:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2491
[2026-07-02T13:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2486
[2026-07-02T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2940
[2026-07-02T13:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2486
[2026-07-02T13:44:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T13:45:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T13:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2475
[2026-07-02T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2473
[2026-07-02T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2960
[2026-07-02T14:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-02T14:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2478
[2026-07-02T14:09:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T14:10:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T14:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2458
[2026-07-02T14:19:09] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T14:20:33] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T14:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2469
[2026-07-02T14:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2459
[2026-07-02T14:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-07-02T14:44:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T14:45:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T14:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-07-02T14:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-07-02T15:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-02T15:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-07-02T15:09:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T15:10:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T15:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2422
[2026-07-02T15:19:09] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T15:20:33] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T15:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-07-02T15:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2416
[2026-07-02T15:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2411
[2026-07-02T15:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2409
[2026-07-02T15:44:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T15:45:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T15:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2400
[2026-07-02T15:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2399
[2026-07-02T15:58:00] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-07-02T15:59:09] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T16:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2393
[2026-07-02T16:10:48] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-02T16:15:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2389
[2026-07-02T16:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2394
[2026-07-02T16:23:07] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T16:25:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T16:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2381
[2026-07-02T16:40:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2368
[2026-07-02T16:44:09] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T16:48:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T16:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2377
[2026-07-02T16:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2375
[2026-07-02T17:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2358
[2026-07-02T17:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-02T17:41:10] living_room_ac | Thermostat.SystemMode = 3
[2026-07-02T17:56:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T18:26:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T18:56:04] living_room_occupancy | OccupancySensing.Occupancy = 1

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

请按以下 JSON 格式回答：

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

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

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "客厅温度传感器出现严重的读数跳变和异常高值，疑似硬件故障或数据上报错误。",
  "reasoning": [
    "1. 分析温度变化趋势：在2026-07-02 13:00之前，客厅温度从约25°C缓慢下降至24°C左右，符合夏季午后气温逐渐降低的自然规律（或空调制冷效果）。",
    "2. 识别异常数据点：在13:15、13:35和13:55三个时间点，客厅温度传感器突然上报了29.2°C、29.4°C和29.6°C的数值。这些数值不仅远高于当前环境温度（其他房间如主卧、儿童房均在24-25°C），且呈现非自然的线性递增，不符合物理热力学常识。",
    "3. 排除环境干扰：虽然此时客厅空调开启（13:00 OnOff=True），但通常空调会导致温度下降而非剧烈上升。且随后温度又迅速回落至正常范围（13:55后报24.73°C），这种“尖峰”式的波动是典型的传感器故障特征，而非真实的环境温度变化。",
    "4. 综合判断：该设备存在间歇性数据错误，属于传感器 malfunction。"
  ],
  "key_evidence": [
    "[2026-07-02T13:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2920 (对应29.2°C)",
    "[2026-07-02T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2940 (对应29.4°C)",
    "[2026-07-02T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2960 (对应29.6°C)",
    "同一时间段内，其他房间温度传感器读数均稳定在24-25°C区间，无类似跳变。"
  ],
  "recommended_actions": [
    "检查客厅温度传感器的电池电量及连接状态，尝试重启设备。",
    "若问题持续，建议更换客厅温度传感器，并校准智能家居系统中的温度阈值设置以避免误触发空调或其他自动化场景。"
  ]
}
```

{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "空调运行但温度不下降",
  "reasoning": [
    "推理步骤1: 日志中出现了不存在的额外报警事件。"
  ],
  "key_evidence": [
    "我假设看到了一个未在日志中出现的 critical 告警。"
  ],
  "recommended_actions": [
    "判断为空调侧制冷失效或相关传感异常，建议检修。"
  ]
}


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

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

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

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

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ1
- 重点房间: balcony
- 重点设备: balcony_laundry_washer
- 已选事件数: 130

## 设备事件日志
[2026-07-12T07:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-07-12T07:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-07-12T07:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T07:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-07-12T07:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-07-12T07:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-07-12T07:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-07-12T07:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-07-12T07:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-07-12T07:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-07-12T07:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-07-12T07:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T07:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-07-12T07:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-07-12T07:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-07-12T07:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-07-12T07:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-12T08:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-07-12T08:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T08:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T08:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-07-12T08:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-07-12T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-07-12T08:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-12T08:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-12T08:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-12T08:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-12T08:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-07-12T08:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T08:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-12T08:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-12T08:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-12T08:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-12T08:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-12T08:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-07-12T08:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-12T08:59:00] bathroom_light | OnOff.OnOff = True
[2026-07-12T09:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-12T09:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T09:01:00] bathroom_light | OnOff.OnOff = False
[2026-07-12T09:01:57] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T09:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-12T09:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-12T09:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-12T09:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-07-12T09:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-07-12T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-07-12T09:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-12T09:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-12T09:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T09:31:57] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T09:34:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-07-12T09:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-12T09:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-12T09:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-07-12T09:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-12T09:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-12T09:51:06] living_room_light_1 | OnOff.OnOff = True
[2026-07-12T09:51:24] living_room_window | WindowCovering.CurrentPositionLiftPercent100ths = 0
[2026-07-12T09:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-12T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-12T10:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-07-12T10:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T10:00:00] balcony_laundry_washer | OperationalState.OperationalState = 1
[2026-07-12T10:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-12T10:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-12T10:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-12T10:11:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-12T10:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-12T10:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-12T10:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2559
[2026-07-12T10:20:00] balcony_laundry_washer | OperationalState.CountdownTime = 2400
[2026-07-12T10:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-12T10:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T10:31:57] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T10:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-12T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-12T10:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-07-12T10:40:00] balcony_laundry_washer | OperationalState.CountdownTime = 2400
[2026-07-12T10:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-12T10:46:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-12T10:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-12T10:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-12T10:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-12T11:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-12T11:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T11:00:00] balcony_laundry_washer | OperationalState.CountdownTime = 2400
[2026-07-12T11:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-12T11:06:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-12T11:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-12T11:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-12T11:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2811
[2026-07-12T11:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-12T11:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-12T11:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-07-12T11:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2937
[2026-07-12T11:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T11:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-12T11:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2936
[2026-07-12T11:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-12T11:41:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-12T11:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-07-12T11:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-07-12T11:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2859
[2026-07-12T11:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-07-12T12:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-07-12T12:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-12T12:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T12:01:57] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T12:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-07-12T12:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2695
[2026-07-12T12:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-07-12T12:16:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-12T12:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-07-12T12:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-07-12T12:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-12T12:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-07-12T12:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T12:33:30] kitchen_window_contact | BooleanState.StateValue = False
[2026-07-12T12:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-07-12T12:36:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-12T12:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-07-12T12:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-07-12T12:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-07-12T12:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-07-12T12:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-07-12T13:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-07-12T13:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-07-12T13:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0

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

请按以下 JSON 格式回答：

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

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

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

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "fire_risk",
  "threat_description": "厨房温度传感器检测到异常高温（峰值约 29.37°C，相对于其他房间和自身历史数据显著偏高），且伴随窗户关闭状态，存在严重的火灾风险。",
  "reasoning": [
    "推理步骤 1: 分析温度数据趋势。从 07:00 到 11:15，厨房温度传感器读数在 24-28°C 之间波动，属于正常室温范围。然而，从 11:15 开始，厨房温度急剧上升至 28.11°C，并在 11:30 达到峰值 29.37°C（注意：日志中数值为整数形式，如 2937 代表 29.37°C，与其他房间正常的 25xx 对比明显异常）。",
    "推理步骤 2: 结合环境上下文。在温度飙升期间（11:15 - 12:33），厨房窗户传感器（kitchen_window_contact）一直报告为 True（关闭状态），这意味着热量无法通过自然通风散发。同时，该时间段内客厅、主卧等区域温度保持在 25°C 左右，排除了全屋空调故障导致整体升温的可能性，问题局限于厨房内部热源。",
    "推理步骤 3: 排除误报与确认威胁。虽然 12:00 和 12:00 后温度读数变为 None（可能因过热保护或通信中断），但在此之前的高温持续了约 1 小时。考虑到这是夏季（7 月），若无烹饪活动，室内温度不应超过 26°C。如此高的局部温度极可能是灶具干烧、电路短路或燃气泄漏引发的初期火灾征兆，而非普通电器发热。"
  ],
  "key_evidence": [
    "2026-07-12T11:30:00 厨房温度传感器读数突增至 2937 (29.37°C)，远高于其他房间同期的 25°C 左右。",
    "2026-07-12T12:33:30 厨房窗户传感器显示关闭 (False)，表明高温环境下缺乏散热途径，加剧了危险程度。",
    "温度异常发生在上午 11:15 至 12:00 之间，持续时间较长，符合设备故障或火灾隐患的发展特征。"
  ],
  "recommended_actions": [
    "立即通知住户前往厨房检查，确认是否有明火、烟雾或焦糊味。",
    "若发现异常，立即切断厨房电源并启动烟雾报警器/灭火装置。",
    "建议系统自动向物业或紧急联系人发送警报，并暂时锁定厨房区域的智能插座以防电气事故扩大。"
  ]
}
```


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

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

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

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

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ1
- 重点房间: living_room
- 重点设备: living_room_window, living_room_window_contact
- 已选事件数: 129

## 设备事件日志
[2026-07-28T03:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2367
[2026-07-28T03:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2378
[2026-07-28T03:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2382
[2026-07-28T03:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2377
[2026-07-28T03:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2399
[2026-07-28T03:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2395
[2026-07-28T04:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-28T04:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2415
[2026-07-28T04:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2422
[2026-07-28T04:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-07-28T04:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2413
[2026-07-28T04:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-07-28T04:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-07-28T05:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-28T05:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-07-28T05:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2460
[2026-07-28T05:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2461
[2026-07-28T05:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-07-28T05:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2473
[2026-07-28T05:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2480
[2026-07-28T06:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-28T06:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2490
[2026-07-28T06:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2470
[2026-07-28T06:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2382
[2026-07-28T06:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2488
[2026-07-28T06:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2483
[2026-07-28T06:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2396
[2026-07-28T06:29:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-28T06:29:10] bedroom_window | WindowCovering.CurrentPositionLiftPercent100ths = 0
[2026-07-28T06:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-28T06:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2397
[2026-07-28T06:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2400
[2026-07-28T06:44:08] bathroom_light | OnOff.OnOff = True
[2026-07-28T06:46:53] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-28T06:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2492
[2026-07-28T06:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-07-28T06:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-07-28T06:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2497
[2026-07-28T07:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-07-28T07:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-07-28T07:04:08] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-28T07:07:00] bathroom_light | OnOff.OnOff = False
[2026-07-28T07:07:32] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-28T07:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2406
[2026-07-28T07:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2505
[2026-07-28T07:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-07-28T07:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-07-28T07:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-07-28T07:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2422
[2026-07-28T07:28:00] kitchen_light | OnOff.OnOff = False
[2026-07-28T07:28:25] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-07-28T07:28:27] front_door_contact | BooleanState.StateValue = False
[2026-07-28T07:28:32] front_door_lock | Event: LockOperation(LockOperationType=0, OperationSource=Manual)
[2026-07-28T07:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-07-28T07:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-07-28T07:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-07-28T07:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-07-28T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-07-28T07:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2416
[2026-07-28T07:46:53] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-28T07:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2417
[2026-07-28T07:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-07-28T07:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-07-28T08:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2419
[2026-07-28T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-28T08:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-07-28T08:07:32] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-28T08:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2424
[2026-07-28T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-07-28T08:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-28T08:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-28T08:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-28T08:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-28T08:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-07-28T08:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-07-28T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-28T08:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-28T08:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-07-28T08:46:53] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-28T08:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-07-28T08:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-28T08:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-28T09:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-07-28T09:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-28T09:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-07-28T09:07:32] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-28T09:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2443
[2026-07-28T09:10:00] living_room_window | WindowCovering.CurrentPositionLiftPercent100ths = 0
[2026-07-28T09:10:00] living_room_window_contact | BooleanState.StateValue = True
[2026-07-28T09:12:00] living_room_window_contact | BooleanState.StateValue = False
[2026-07-28T09:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-28T09:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-28T09:15:00] living_room_window | WindowCovering.CurrentPositionLiftPercent100ths = 0
[2026-07-28T09:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-28T09:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-28T09:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-07-28T09:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-28T09:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-28T09:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2559
[2026-07-28T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-28T09:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-28T09:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-07-28T09:46:53] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-28T09:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-07-28T09:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-28T10:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2446
[2026-07-28T10:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-28T10:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-07-28T10:07:32] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-28T10:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2443
[2026-07-28T10:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-28T10:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-28T10:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-28T10:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-28T10:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2458
[2026-07-28T10:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-28T10:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-28T10:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-28T10:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-28T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-07-28T10:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-28T10:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-07-28T10:46:53] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-28T10:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-07-28T10:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-28T10:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-28T11:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-07-28T11:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-28T11:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447

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

请按以下 JSON 格式回答：

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

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

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "客厅温度传感器读数异常偏高且数值格式疑似错误（单位或精度问题），导致系统记录的温度值远超正常室温范围。",
  "reasoning": [
    "1. 分析温度数据量级：日志中 `living_room_temp_sensor` 的 `TemperatureMeasurement.MeasuredValue` 从 2367 逐渐上升至 2558。在 Matter 协议标准中，温度通常以厘氏度（centi-degrees Celsius）为单位，即除以 100 得到摄氏度。若按此标准，2367 代表 23.67°C，这是非常正常的室温。然而，观察后续数据，如 09:30 的 2558 (25.58°C) 和 10:40 的 2555 (25.55°C)，这些数值本身作为摄氏度是合理的。",
    "2. 识别潜在的单位/精度混淆或漂移：虽然 23-25°C 是合理室温，但需注意其他房间的数据对比。例如 06:15 卧室温度为 2382 (23.82°C)，厨房为 2470 (24.70°C)。客厅温度从凌晨 03:10 的 23.67°C 缓慢线性上升至上午 10:00 左右的 25.40°C 左右。这种缓慢上升符合夏季白天自然升温规律。",
    "3. 重新评估 'Malfunction' 的定义与上下文：题目要求判断目标设备（living_room_window, living_room_window_contact）及关联环境是否正常。重点在于 `living_room_window` 和 `contact` 的状态。",
    "4. 深入分析窗户相关事件：在 09:10:00，`living_room_window` 位置为 0 (关闭)，`living_room_window_contact` 状态为 True (闭合/关闭)。紧接着在 09:12:00，`living_room_window_contact` 变为 False (断开/打开)。但在 09:15:00，`living_room_window` 位置再次报告为 0 (关闭)。",
    "5. 发现逻辑矛盾/故障迹象：如果窗帘/窗户执行器（Window Covering）在 09:15 确认处于关闭位置（LiftPercent=0），那么接触传感器（Contact Sensor）理应检测为闭合（True）。然而，日志显示在 09:12 接触传感器变为 False（表示检测到缝隙或打开），随后在 09:15 执行器位置仍为 0，但并未看到接触传感器恢复为 True 的记录（直到日志结束也未见恢复）。更关键的是，09:12 到 09:15 之间只有 3 分钟，如果是误报，通常会很快恢复；如果是真实打开，执行器位置不应保持为 0（除非是物理遮挡导致的接触传感器误判，或者执行器未完全到位但传感器认为已到位，反之亦然）。",
    "6. 结合温度数据的异常波动：注意 03:35 温度从 2382 降至 2377，04:35 从 2427 降至 2413，05:35 从 2461 降至 2451。这种每隔约 1 小时出现的短暂下降（约 0.5-1.0°C）在封闭房间的夜间/清晨环境中是不自然的，通常暗示传感器读数存在周期性噪声、电池电压不稳导致的采样误差，或者传感器本身存在间歇性故障（Sensor Drift/Malfunction）。"
  ],
  "key_evidence": [
    "09:10:00 窗户接触传感器为 True (Closed)，09:12:00 变为 False (Open)，但 09:15:00 窗户执行器位置仍为 0 (Closed)，且后续无接触传感器恢复为 True 的记录，存在状态不一致。",
    "客厅温度传感器在凌晨时段出现非自然的周期性微小下降（如 03:35, 04:35, 05:35），每次下降约 0.5-1.0°C，疑似传感器硬件不稳定或读数漂移。"
  ],
  "recommended_actions": [
    "检查客厅窗户的物理安装，确认接触传感器磁铁是否松动或错位，导致在窗户关闭时偶尔误报开启。",
    "对客厅温度传感器进行校准测试，或更换电池/设备以排除因电量不足或硬件老化导致的读数漂移。",
    "观察未来几小时的窗户接触传感器状态，若持续显示 Open 而执行器显示 Closed，则确认为传感器故障，需维修或更换。"
  ]
}
```

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "intrusion",
  "threat_description": "检测到疑似入侵行为：住户在卧室有人时关闭了窗户，随后客厅窗户被打开且传感器状态翻转，同时室内温度异常升高，表明可能存在外部人员进入或窗户未关严导致的热交换异常。",
  "reasoning": [
    "推理步骤 1: 时间线分析显示，06:29 卧室有人（Occupancy=1），紧接着 06:29:10 卧室窗帘/窗户位置变为 0%（完全关闭）。这符合正常起床后拉上窗帘的习惯。",
    "推理步骤 2: 然而，在 09:10 左右，客厅窗户传感器 (living_room_window_contact) 报告 StateValue=True（通常表示开启或未闭合，取决于具体定义，但结合上下文看是状态变化），且同一时刻客厅窗户覆盖物 (living_room_window) 位置仍为 0%。更关键的是，09:12 传感器状态翻转为 False。这种短时间内（2 分钟内）的反复状态变化（True -> False）极不寻常，暗示窗户可能被物理操作过，或者传感器受到了干扰/遮挡。",
    "推理步骤 3: 最显著的异常是温度数据。从凌晨 03:00 到上午 11:00，客厅温度从约 23.7°C (2370mK) 持续上升至 25.5°C (2550mK)，厨房温度也同步上升。虽然夏季升温合理，但在住户大部分时间不在客厅（Occupancy=0）的情况下，温度持续攀升且与卧室温度差值缩小（卧室维持在 24°C 左右，客厅升至 25.5°C），结合窗户传感器的异常波动，强烈暗示窗户可能处于非预期的开启状态，允许外部热空气涌入，甚至存在外部人员通过窗户进入并调节环境的可能性。",
    "推理步骤 4: 综合来看，窗户传感器在白天出现短暂的 'True' 状态（假设 True 代表开启或未锁闭，或者仅仅是状态抖动），配合持续的室温上升趋势，构成了潜在的安全威胁。如果 True 代表‘已打开’，则直接证实窗户被打开；即使只是抖动，也需警惕人为干预。"
  ],
  "key_evidence": [
    "09:10 living_room_window_contact 报告 StateValue=True，随后 09:12 变为 False，存在短暂的状态翻转。",
    "03:00 至 11:00 期间，客厅温度持续单调上升（23.7°C -> 25.5°C），而住户长时间未在该区域活动（Occupancy=0）。",
    "卧室在有人时（06:29）立即关闭了窗户，但客厅窗户在数小时后出现了异常的状态变化。"
  ],
  "recommended_actions": [
    "立即前往客厅检查窗户的实际物理状态，确认是否被非法打开或损坏。",
    "检查窗户传感器是否被异物遮挡、移位或故障，必要时更换电池或重新校准。",
    "查看家庭监控录像（如有），确认 09:10-09:12 期间是否有人员靠近窗户。",
    "若确认窗户被非法打开，应立即报警并联系物业/安保公司。"
  ]
}
```


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

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

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

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

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ1
- 重点房间: living_room
- 重点设备: bedroom_occupancy
- 已选事件数: 130

## 设备事件日志
[2026-08-09T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2265
[2026-08-09T00:00:00] kitchen_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T00:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2276
[2026-08-09T00:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2166
[2026-08-09T00:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2282
[2026-08-09T00:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2274
[2026-08-09T00:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T00:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2185
[2026-08-09T00:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2292
[2026-08-09T00:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2294
[2026-08-09T01:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T01:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T01:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2193
[2026-08-09T01:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2296
[2026-08-09T01:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2297
[2026-08-09T01:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2202
[2026-08-09T01:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T01:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2324
[2026-08-09T01:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2311
[2026-08-09T01:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2231
[2026-08-09T02:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T02:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2330
[2026-08-09T02:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2337
[2026-08-09T02:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2239
[2026-08-09T02:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2336
[2026-08-09T02:30:00] kitchen_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T02:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2342
[2026-08-09T02:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2258
[2026-08-09T02:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2361
[2026-08-09T03:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2369
[2026-08-09T03:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T03:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T03:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2264
[2026-08-09T03:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2376
[2026-08-09T03:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2368
[2026-08-09T03:30:00] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T03:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2279
[2026-08-09T03:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2387
[2026-08-09T03:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2384
[2026-08-09T04:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2298
[2026-08-09T04:00:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T04:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2400
[2026-08-09T04:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2400
[2026-08-09T04:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2321
[2026-08-09T04:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T04:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2412
[2026-08-09T04:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2419
[2026-08-09T04:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2336
[2026-08-09T05:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-08-09T05:00:00] kitchen_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T05:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T05:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-08-09T05:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2346
[2026-08-09T05:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-08-09T05:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-08-09T05:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T05:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2366
[2026-08-09T05:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2460
[2026-08-09T05:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2475
[2026-08-09T05:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2463
[2026-08-09T05:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2473
[2026-08-09T05:58:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T05:59:56] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T06:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T06:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2474
[2026-08-09T06:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2475
[2026-08-09T06:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2479
[2026-08-09T06:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2482
[2026-08-09T06:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2383
[2026-08-09T06:29:56] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T06:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T06:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-08-09T06:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2499
[2026-08-09T06:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2502
[2026-08-09T06:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-08-09T06:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2500
[2026-08-09T07:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2400
[2026-08-09T07:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T07:03:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T07:03:10] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T07:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2418
[2026-08-09T07:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2502
[2026-08-09T07:18:03] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T07:23:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T07:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-08-09T07:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-08-09T07:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-08-09T07:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2426
[2026-08-09T07:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-09T07:53:10] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T07:58:03] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T08:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-09T08:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-09T08:18:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T08:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-09T08:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2446
[2026-08-09T08:29:56] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T08:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-09T08:39:00] front_door_lock | DoorLock.LockState = 2
[2026-08-09T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-09T08:44:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T08:48:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T08:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-08-09T08:54:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T08:58:03] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T09:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-08-09T09:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-09T09:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-09T09:19:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T09:23:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T09:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2449
[2026-08-09T09:29:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T09:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-08-09T09:43:03] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T09:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-08-09T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-09T09:54:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T09:58:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-09T10:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-08-09T10:14:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T10:23:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T10:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-09T10:39:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T10:48:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T10:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-09T11:04:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T11:13:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-09T11:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-09T11:29:07] living_room_occupancy | OccupancySensing.Occupancy = 1

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

请按以下 JSON 格式回答：

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

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

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_stuck",
  "threat_description": "厨房温度传感器读数出现非物理性的异常跳变和持续高位，疑似传感器故障或数据上报错误。",
  "reasoning": [
    "1. 分析温度数据趋势：从06:25到07:00，厨房温度传感器读数从2383 (23.83°C) 缓慢上升至2400 (24.00°C)，符合夜间至清晨的自然升温或空调关闭后的自然回升逻辑。",
    "2. 识别异常点：在07:00之后，厨房温度读数突然跳跃至2511 (25.11°C)，并在随后几分钟内迅速攀升至2555 (25.55°C)。对于室内环境温度而言，短时间内（约1小时）上升超过1.5°C且数值偏高，若无明火烹饪或极端天气，这种变化速率和幅度极不寻常。",
    "3. 排除人为因素：虽然07:18和07:58厨房有人活动（Occupancy=1），但通常人体散热不会导致室温在短时间内剧烈飙升并维持在25.5°C以上的高位，除非有热源（如灶具）。然而，日志中未显示烟雾报警器报警或灶具状态异常，且后续读数（09:10后）仍维持在25.5°C左右的高位，这更符合传感器漂移或卡死（Stuck）的特征，而非真实的环境温度波动。",
    "4. 对比其他设备：客厅温度在同期约为25.3-25.5°C，卧室约为24.4-24.5°C。厨房作为独立空间，其温度显著高于其他房间且呈现异常高位，进一步佐证了该特定传感器可能存在硬件故障或校准失效。"
  ],
  "key_evidence": [
    "[2026-08-09T07:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511 (突然跳变)",
    "[2026-08-09T09:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554 (持续高位)",
    "[2026-08-09T09:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555 (持续高位)"
  ],
  "recommended_actions": [
    "检查厨房是否有正在使用的加热设备（如烤箱、暖风机）或通风不良导致的局部过热。",
    "若确认无外部热源，建议重置或更换厨房温度传感器，以排除硬件故障。",
    "监控未来几小时的温度读数，观察是否回落至正常范围（22-24°C）。"
  ]
}
```

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "fire_risk",
  "threat_description": "厨房温度持续异常升高且伴随人员活动，存在严重的火灾风险。",
  "reasoning": [
    "推理步骤 1: 分析时间线发现，从凌晨 00:00 到早晨 07:00，厨房温度传感器读数从约 22.8°C (2276 mK) 持续单调上升至 25.3°C (2534 mK)，增幅超过 2.5°C，且在此期间厨房运动传感器多次报告有人 (Occupancy=1)，表明住户在室内活动但未关闭热源或通风。",
    "推理步骤 2: 重点关注 07:00 至 09:00 时段，厨房温度继续攀升至 25.5°C (2555 mK)。对于独居老人而言，长时间处于高温环境可能导致身体不适，且若涉及灶具使用，此升温趋势极不正常（通常烹饪结束温度会下降）。",
    "推理步骤 3: 结合设备类型判断，厨房温度传感器数值 (MeasuredValue) 呈现非自然的线性增长模式，排除了正常环境温度波动。考虑到这是独居老人家庭，且发生在清晨起床后的活跃时段，这种持续的高温积累强烈暗示灶具可能未关、油烟机故障或未开启，构成了直接的火灾隐患。"
  ],
  "key_evidence": [
    "厨房温度在 00:00 至 09:00 期间持续上升，从 2276 升至 2555 (单位推测为毫开尔文，对应约 22.8°C 至 25.5°C)，且无降温迹象。",
    "在温度显著升高的同时 (如 07:18, 07:58, 08:44)，厨房及玄关运动传感器检测到人员活动，但未见任何降低温度的操作记录。",
    "作为独居老人，缺乏外部监督，设备未能自动干预或报警，导致潜在危险累积。"
  ],
  "recommended_actions": [
    "立即远程通知住户或紧急联系人，告知厨房可能存在过热/火灾风险。",
    "检查厨房烟雾报警器状态，确认其是否已触发或处于待命状态。",
    "建议系统自动尝试切断厨房电源（如果具备 Matter 智能插座或断路器控制能力），以防万一。",
    "安排社区工作人员或亲属上门核实情况。"
  ]
}
```