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: 132

## 设备事件日志
[2026-07-15T03:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2359
[2026-07-15T03:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2377
[2026-07-15T03:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2391
[2026-07-15T03:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2378
[2026-07-15T03:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2384
[2026-07-15T03:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2403
[2026-07-15T04:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-15T04:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2408
[2026-07-15T04:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2419
[2026-07-15T04:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2416
[2026-07-15T04:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2412
[2026-07-15T04:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2422
[2026-07-15T04:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-07-15T05:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-15T05:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-07-15T05:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-07-15T05:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2459
[2026-07-15T05:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2468
[2026-07-15T05:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2475
[2026-07-15T06:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-15T06:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2479
[2026-07-15T06:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2482
[2026-07-15T06:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2389
[2026-07-15T06:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2478
[2026-07-15T06:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2487
[2026-07-15T06:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2378
[2026-07-15T06:27:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T06:27:19] bedroom_window | WindowCovering.CurrentPositionLiftPercent100ths = 0
[2026-07-15T06:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2382
[2026-07-15T06:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-15T06:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2390
[2026-07-15T06:37:10] bathroom_light | OnOff.OnOff = True
[2026-07-15T06:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-07-15T06:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2495
[2026-07-15T06:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-07-15T06:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2499
[2026-07-15T06:48:00] bathroom_light | OnOff.OnOff = False
[2026-07-15T06:49:54] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-15T06:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2408
[2026-07-15T06:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-07-15T06:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2505
[2026-07-15T07:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2396
[2026-07-15T07:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-15T07:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2413
[2026-07-15T07:09:41] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-15T07:11:00] kitchen_light | OnOff.OnOff = False
[2026-07-15T07:11:19] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-07-15T07:11:21] front_door_contact | BooleanState.StateValue = False
[2026-07-15T07:11:22] front_door_lock | Event: LockOperation(LockOperationType=0, OperationSource=Manual)
[2026-07-15T07:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-07-15T07:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-07-15T07:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-07-15T07:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-07-15T07:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2408
[2026-07-15T07:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-07-15T07:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-07-15T07:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-07-15T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-07-15T07:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-07-15T07:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2421
[2026-07-15T07:49:54] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-15T07:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2419
[2026-07-15T07:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-07-15T07:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-07-15T08:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-07-15T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-15T08:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2434
[2026-07-15T08:09:41] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-15T08:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2437
[2026-07-15T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-15T08:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-15T08:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-07-15T08:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-15T08:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-07-15T08:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-15T08:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-15T08:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-15T08:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-15T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-15T08:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-15T08:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-07-15T08:49:54] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-15T08:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-07-15T08:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-15T08:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-15T09:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-07-15T09:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-15T09:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-07-15T09:09:41] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-15T09:10:00] living_room_window | WindowCovering.CurrentPositionLiftPercent100ths = 0
[2026-07-15T09:10:00] living_room_window_contact | BooleanState.StateValue = True
[2026-07-15T09:12:00] living_room_window_contact | BooleanState.StateValue = False
[2026-07-15T09:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-15T09:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-15T09:15:00] living_room_window | WindowCovering.CurrentPositionLiftPercent100ths = 0
[2026-07-15T09:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-15T09:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-15T09:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-07-15T09:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-15T09:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-15T09:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-15T09:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-15T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2559
[2026-07-15T09:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-07-15T09:49:54] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-15T09:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2459
[2026-07-15T09:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-15T09:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-07-15T10:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-07-15T10:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-15T10:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-07-15T10:09:41] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-15T10:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-07-15T10:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-15T10:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-15T10:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-15T10:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-15T10:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-07-15T10:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-15T10:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-15T10:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-15T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-07-15T10:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-15T10:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-07-15T10:49:54] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-15T10:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-07-15T10:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-15T10:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-15T11:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-07-15T11:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-15T11:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2449
[2026-07-15T11:09:41] bedroom_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。

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_drift",
  "threat_description": "客厅温度传感器读数出现严重异常漂移，数值远超正常室温范围（显示约24-25°C但原始值为2300+），且与同一时间段内厨房和卧室传感器的读数存在巨大偏差，表明该传感器可能存在校准错误或硬件故障。",
  "reasoning": [
    "1. 分析温度数据量级：Matter协议中TemperatureMeasurement.MeasuredValue通常以厘度（centi-degrees Celsius）为单位，即除以100得到摄氏度。日志中的值如2359、2408等，换算后约为23.59°C至24.08°C。虽然这些数值在物理上看似合理的室温范围，但我们需要结合其他房间的数据进行对比。",
    "2. 跨设备横向对比：在同一时间点（例如06:10），客厅温度为2479 (24.79°C)，而厨房为2482 (24.82°C)，两者接近。但在06:15，卧室温度仅为2389 (23.89°C)。随后在06:20，客厅升至2478，厨房2487，卧室降至2378。这种差异本身可能由位置不同引起，但关键在于趋势的一致性。",
    "3. 识别异常模式：从03:10到11:00，客厅温度传感器读数持续缓慢上升，从2359升至2559（23.59°C -> 25.59°C）。然而，观察厨房传感器，其读数在06:10为2482，07:20为2521，08:30为2546，09:20为2551，整体趋势也是上升的。但是，注意06:15卧室读数为2389，之后一直维持在2378-2459之间波动，明显低于客厅和厨房。",
    "4. 关键矛盾点：如果这是一台正常的空调房或普通住宅，所有房间的温度变化趋势应大致同步（受室外气温影响）。然而，客厅传感器在凌晨03:00-06:00期间读数极低（~23.6-24.0°C），而到了早上09:00-11:00却稳定在25.4-25.6°C左右。更可疑的是，题目提示重点设备包含`living_room_window`和`living_room_window_contact`。在09:10，窗户被打开（Contact=True/False切换，Position=0表示关闭？不，WindowCovering.CurrentPositionLiftPercent100ths=0通常表示完全关闭/放下，但Contact传感器StateValue=True通常表示关闭，False表示打开。这里需要仔细解读：09:10 Contact=True, 09:12 Contact=False。通常Contact传感器True代表闭合(关闭)，False代表断开(打开)。如果09:12是打开状态，那么之后温度应该迅速变化。但09:15后温度并未剧烈下降，反而继续高位震荡。",
    "5. 重新审视“Sensor Drift”定义：真正的Drift通常指传感器自身读数随时间发生无外界影响的偏移。在这里，客厅温度从23.59°C线性上升到25.59°C，跨度2度，历时8小时。对于室内环境，如果没有明显的热源介入或空调启停，这种缓慢且持续的单向升温是不自然的，尤其是当卧室温度始终保持在较低水平（~24°C以下）时。这表明客厅传感器可能受到了局部热源干扰，或者其内部校准发生了漂移，导致读数系统性偏高。考虑到这是智能家居安全分析，传感器提供错误的环境数据可能导致HVAC系统误判，属于设备故障范畴。"
  ],
  "key_evidence": [
    "客厅温度传感器读数从03:10的2359 (23.59°C) 持续单调上升至11:00的2559 (25.59°C)，缺乏夜间应有的降温或平稳特征。",
    "同一时间段内，卧室温度传感器读数始终维持在23.79°C - 24.59°C之间，显著低于客厅同期读数，且变化幅度较小，暗示客厅传感器读数可能失真或受局部异常热源影响。",
    "09:10-09:12期间窗户接触传感器状态变化（True->False，推测为打开），但随后客厅温度并未因开窗通风而出现预期的快速下降或波动，反而维持高位，进一步佐证传感器读数可能不可靠。"
  ],
  "recommended_actions": [
    "检查客厅温度传感器周围是否有新增的热源（如阳光直射、电器发热）或遮挡物。",
    "尝试重启客厅温度传感器，若问题依旧，考虑更换传感器以排除硬件故障。",
    "验证窗户接触传感器的逻辑配置，确认True/False对应的开闭状态是否与物理行为一致。"
  ]
}
```

{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "门窗传感器状态与窗帘位置矛盾",
  "reasoning": [
    "推理步骤1: 日志中出现了不存在的额外报警事件。"
  ],
  "key_evidence": [
    "我假设看到了一个未在日志中出现的 critical 告警。"
  ],
  "recommended_actions": [
    "判断为开闭状态感知异常，建议检查相关传感器。"
  ]
}


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

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

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

## 家庭环境信息
家庭布局: 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: 127

## 设备事件日志
[2026-08-17T00:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2181
[2026-08-17T08:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-08-17T08:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2425
[2026-08-17T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-17T08:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-08-17T08:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-17T08:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-17T08:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-08-17T08:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-17T08:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-08-17T09:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T09:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-17T09:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-08-17T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-08-17T09:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2442
[2026-08-17T09:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-08-17T09:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-17T09:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2443
[2026-08-17T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-17T10:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-17T10:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2457
[2026-08-17T10:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-17T10:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-08-17T10:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-17T10:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-08-17T10:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-17T11:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-08-17T11:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-17T11:10:48] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T11:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-17T11:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-17T11:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2434
[2026-08-17T11:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2442
[2026-08-17T11:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-17T11:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-17T11:40:48] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T11:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-17T11:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-08-17T11:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2429
[2026-08-17T12:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2420
[2026-08-17T12:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-08-17T12:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-08-17T12:10:48] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T12:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-08-17T12:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-08-17T12:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-08-17T12:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2429
[2026-08-17T12:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-08-17T12:40:48] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T12:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-08-17T12:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-08-17T12:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2403
[2026-08-17T13:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2415
[2026-08-17T13:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2495
[2026-08-17T13:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2500
[2026-08-17T13:10:48] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T13:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-08-17T13:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2499
[2026-08-17T13:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2401
[2026-08-17T13:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2387
[2026-08-17T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2490
[2026-08-17T13:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2484
[2026-08-17T13:40:48] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T13:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2473
[2026-08-17T13:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2487
[2026-08-17T13:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2367
[2026-08-17T14:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2376
[2026-08-17T14:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-08-17T14:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2473
[2026-08-17T14:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = -500
[2026-08-17T14:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2467
[2026-08-17T14:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-08-17T14:10:48] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T14:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2458
[2026-08-17T14:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2457
[2026-08-17T14:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2350
[2026-08-17T14:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2347
[2026-08-17T14:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2446
[2026-08-17T14:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-08-17T14:40:48] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T14:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-08-17T14:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2437
[2026-08-17T14:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2339
[2026-08-17T15:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2345
[2026-08-17T15:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2443
[2026-08-17T15:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2429
[2026-08-17T15:10:48] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T15:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-08-17T15:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2421
[2026-08-17T15:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2328
[2026-08-17T15:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2313
[2026-08-17T15:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2425
[2026-08-17T15:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2411
[2026-08-17T15:40:48] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T15:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2415
[2026-08-17T15:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2409
[2026-08-17T15:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2297
[2026-08-17T16:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2407
[2026-08-17T16:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2395
[2026-08-17T16:10:48] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T16:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2400
[2026-08-17T16:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2377
[2026-08-17T16:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2288
[2026-08-17T16:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2274
[2026-08-17T16:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2368
[2026-08-17T16:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2364
[2026-08-17T16:40:48] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T16:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2367
[2026-08-17T16:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2267
[2026-08-17T17:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2265
[2026-08-17T17:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2354
[2026-08-17T17:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2352
[2026-08-17T17:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2360
[2026-08-17T17:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2259
[2026-08-17T17:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2353
[2026-08-17T17:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2341
[2026-08-17T17:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2236
[2026-08-17T17:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2336
[2026-08-17T17:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2229
[2026-08-17T18:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T18:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2311
[2026-08-17T18:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2223
[2026-08-17T18:20:17] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T18:20:26] living_room_ac | Thermostat.SystemMode = 3
[2026-08-17T18:40:17] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T19:00:17] living_room_occupancy | OccupancySensing.Occupancy = 1

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

请按以下 JSON 格式回答：

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

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

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "卧室温度传感器出现异常数据跳变（负值）及持续低温漂移，疑似硬件故障或电池电量耗尽。",
  "reasoning": [
    "1. 识别到极端异常数据点：在 2026-08-17T14:05:00，卧室温度传感器上报值为 -500。根据 Matter 协议标准，TemperatureMeasurement.MeasuredValue 单位为厘氏度（celsius * 100），正常室温应在 2000-3000 之间。-500 代表 -5°C，这在室内环境中极不可能，且通常表示传感器读数溢出、通信错误或硬件损坏。",
    "2. 观察到持续的低温漂移趋势：从上午 08:00 的约 24.2°C 开始，尽管客厅和厨房温度保持在 23-25°C 的正常范围，卧室温度却呈现单调下降趋势，从 24.2°C 一路跌至下午 18:15 的 22.2°C。这种与全屋其他区域显著偏离且单向变化的趋势不符合自然热力学规律（除非空调直吹且无热源，但降幅过大）。",
    "3. 排除环境因素：同一时间段内，客厅温度传感器显示温度稳定在 23-25°C 左右，厨房也在 23-24°C 左右。卧室作为独立房间，其温度不应在无人活动（Occupancy=0）的情况下比客厅低 2-3 度并持续下降。结合 -500 的错误值和随后的持续偏低读数，判定为传感器自身故障而非真实的环境变化。"
  ],
  "key_evidence": [
    "[2026-08-17T14:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = -500 (明显错误值)",
    "[2026-08-17T08:00:00] bedroom_temp_sensor | Value = 2427 vs [2026-08-17T18:15:00] Value = 2223 (持续非正常降温)",
    "[2026-08-17T14:05:00] living_room_temp_sensor | Value = 2473 (客厅温度正常，证明非全屋降温)"
  ],
  "recommended_actions": [
    "检查卧室温度传感器的电池电量，低电量可能导致读数不稳定或错误。",
    "尝试重启该温度传感器或重新配网，以排除临时软件/通信故障。",
    "若问题依旧，建议更换新的温度传感器，因为可能存在硬件损坏。"
  ]
}
```

{
  "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": [
    "温度瞬时跳到不合理值"
  ],
  "recommended_actions": [
    "建议按该错误类别处理。"
  ]
}


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

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

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

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

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

## 设备事件日志
[2026-08-12T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2266
[2026-08-12T08:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-12T09:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T09:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-08-12T09:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-08-12T09:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2449
[2026-08-12T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-12T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-12T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-12T10:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-08-12T10:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-08-12T10:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-08-12T10:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-12T10:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-08-12T10:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-12T11:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T11:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-08-12T11:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-08-12T11:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-08-12T11:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-12T11:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-12T12:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-08-12T12:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-12T12:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2420
[2026-08-12T12:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-12T12:22:36] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T12:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-08-12T12:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T12:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-08-12T12:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2402
[2026-08-12T12:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-08-12T12:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2412
[2026-08-12T13:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-08-12T13:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-08-12T13:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2505
[2026-08-12T13:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2399
[2026-08-12T13:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2485
[2026-08-12T13:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2384
[2026-08-12T13:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2380
[2026-08-12T13:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2488
[2026-08-12T13:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2473
[2026-08-12T13:53:01] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T14:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2474
[2026-08-12T14:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2478
[2026-08-12T14:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2360
[2026-08-12T14:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2463
[2026-08-12T14:22:36] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T14:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2458
[2026-08-12T14:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T14:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-08-12T14:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2356
[2026-08-12T14:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-08-12T14:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2340
[2026-08-12T15:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-08-12T15:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2410
[2026-08-12T15:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2420
[2026-08-12T15:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2443
[2026-08-12T15:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-08-12T15:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2316
[2026-08-12T15:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2417
[2026-08-12T15:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2310
[2026-08-12T15:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2311
[2026-08-12T15:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2406
[2026-08-12T15:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2406
[2026-08-12T15:53:01] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T16:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2390
[2026-08-12T16:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2392
[2026-08-12T16:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2285
[2026-08-12T16:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2400
[2026-08-12T16:22:36] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T16:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2378
[2026-08-12T16:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T16:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2364
[2026-08-12T16:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2272
[2026-08-12T16:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2361
[2026-08-12T16:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2269
[2026-08-12T17:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2357
[2026-08-12T17:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-08-12T17:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2920
[2026-08-12T17:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2351
[2026-08-12T17:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2352
[2026-08-12T17:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2247
[2026-08-12T17:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2339
[2026-08-12T17:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2246
[2026-08-12T17:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2238
[2026-08-12T17:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2346
[2026-08-12T17:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2322
[2026-08-12T17:53:01] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T18:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2318
[2026-08-12T18:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2217
[2026-08-12T18:12:02] front_door_contact | BooleanState.StateValue = False
[2026-08-12T18:12:29] living_room_ac | OnOff.OnOff = True
[2026-08-12T18:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2323
[2026-08-12T18:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2305
[2026-08-12T18:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2308
[2026-08-12T18:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2318
[2026-08-12T18:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2315
[2026-08-12T18:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2300
[2026-08-12T18:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2296
[2026-08-12T18:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2303
[2026-08-12T18:52:36] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T18:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2290
[2026-08-12T19:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2359
[2026-08-12T19:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-08-12T19:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2477
[2026-08-12T19:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-08-12T19:17:20] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T19:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2188
[2026-08-12T19:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2174
[2026-08-12T19:32:30] kitchen_window_contact | BooleanState.StateValue = False
[2026-08-12T19:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2681
[2026-08-12T19:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2670
[2026-08-12T19:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2644
[2026-08-12T19:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2589
[2026-08-12T19:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2282
[2026-08-12T20:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2266
[2026-08-12T20:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2265
[2026-08-12T20:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2258
[2026-08-12T20:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2159
[2026-08-12T20:23:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T20:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2269
[2026-08-12T20:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2165
[2026-08-12T20:43:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T20:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2257
[2026-08-12T20:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2151
[2026-08-12T21:03:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T21:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2247
[2026-08-12T21:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2145
[2026-08-12T21:23:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T21:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2245
[2026-08-12T21:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2154
[2026-08-12T21:43:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T21:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2158
[2026-08-12T22:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2148
[2026-08-12T22:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2144
[2026-08-12T22:13:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T22:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2249

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

请按以下 JSON 格式回答：

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

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

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "卧室温度传感器在17:00出现瞬间异常高温读数（29.2°C），随后迅速恢复正常，疑似传感器故障或数据上报错误。",
  "reasoning": [
    "分析卧室温度传感器（bedroom_temp_sensor）的数据序列：从16:55的22.69°C下降到17:00的29.20°C，这是一个极其剧烈的突变（+6.5°C）。",
    "紧接着在17:20，该传感器读数又骤降至22.47°C，并在后续时间内保持在21-22°C的正常范围内波动。",
    "对比同一时间段的其他传感器：客厅温度在17:00为24.40°C，厨房为23.57°C，均处于合理的室温范围且变化平缓。卧室与其他房间存在约2-3度的温差是可能的，但29.2°C的瞬时尖峰不符合物理热惯性规律，也不符合其他传感器的环境背景。",
    "排除人为因素：日志中未显示卧室有加热设备开启或窗户突然打开导致剧烈升温的记录（卧室窗户传感器无相关触发记录，且升温后迅速回落更像电子噪声而非环境变化）。",
    "结论：这种单点、瞬时、大幅偏离基准值的读数特征，典型地指向传感器硬件故障、ADC转换错误或通信数据包损坏。"
  ],
  "key_evidence": [
    "[2026-08-12T17:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2920 (29.20°C)",
    "[2026-08-12T17:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2247 (22.47°C) - 短时间内快速恢复至正常水平",
    "[2026-08-12T17:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440 - 邻近区域温度正常，佐证非全局环境异常"
  ],
  "recommended_actions": [
    "检查卧室温度传感器的电池电量，低电量可能导致读数不稳定。",
    "重启卧室温度传感器以清除可能的临时软件/固件错误。",
    "如果问题持续出现，建议更换该温度传感器硬件。"
  ]
}
```

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "fire_risk",
  "threat_description": "厨房窗户被打开导致外部高温空气涌入，引发厨房温度传感器读数异常飙升（超过 260°C），存在严重的火灾或设备过热风险。",
  "reasoning": [
    "推理步骤 1: 在 19:32:30，厨房窗户接触传感器 (kitchen_window_contact) 状态变为 False（打开）。",
    "推理步骤 2: 紧随其后，从 19:35:00 开始，厨房温度传感器 (kitchen_temp_sensor) 的读数出现剧烈且不符合物理规律的跳变，数值从正常的约 24°C (2400 mK) 瞬间飙升至 2681 mK (约 26.8°C)，随后持续维持在 25-26°C 以上的高位区间，远高于室内正常环境温度。",
    "推理步骤 3: 虽然数值本身未达到燃烧点，但结合‘窗户打开’这一动作与‘温度骤升’的时间相关性，极有可能是外部极端热源（如烈日暴晒下的外墙、邻近建筑热源或测量校准漂移导致的误报）直接影响了传感器，或者该传感器发生了故障。无论哪种情况，这种异常的温升模式都触发了安全警报逻辑，提示可能存在未被察觉的热源积聚或传感器失效导致的误判风险，需立即核实。",
    "关键证据": [
      "时间戳 19:32:30 记录到 kitchen_window_contact 状态为 False (Open)。",
      "时间戳 19:35:00 至 19:50:00 期间，kitchen_temp_sensor 读数异常升高并稳定在 2589-2681 mK 区间，与同时间段其他房间正常的降温趋势完全背离。"
    ],
    "recommended_actions": [
      "立即前往厨房检查窗户开启情况及是否有异常热源（如阳光直射、邻居家空调外机等）。",
      "检查厨房温度传感器是否被遮挡或损坏，必要时进行重新校准或更换。",
      "确认厨房内无明火或电器过热现象，关闭异常高温区域的相关电器。"
    ]
  }
}
```


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

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

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

## 家庭环境信息
家庭布局: 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_occupancy
- 已选事件数: 135

## 设备事件日志
[2026-07-18T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2280
[2026-07-18T00:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T00:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2270
[2026-07-18T00:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2270
[2026-07-18T00:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2180
[2026-07-18T00:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2274
[2026-07-18T00:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T00:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2174
[2026-07-18T00:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2290
[2026-07-18T00:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2284
[2026-07-18T00:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2202
[2026-07-18T01:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2286
[2026-07-18T01:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T01:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2298
[2026-07-18T01:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2197
[2026-07-18T01:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2306
[2026-07-18T01:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2307
[2026-07-18T01:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2205
[2026-07-18T01:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T01:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2223
[2026-07-18T01:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2310
[2026-07-18T02:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2335
[2026-07-18T02:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T02:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2321
[2026-07-18T02:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2332
[2026-07-18T02:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2230
[2026-07-18T02:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2342
[2026-07-18T02:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T02:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2236
[2026-07-18T02:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2359
[2026-07-18T02:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2347
[2026-07-18T02:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2265
[2026-07-18T03:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2369
[2026-07-18T03:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T03:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2368
[2026-07-18T03:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2266
[2026-07-18T03:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2379
[2026-07-18T03:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2376
[2026-07-18T03:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2289
[2026-07-18T03:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T03:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2397
[2026-07-18T03:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2288
[2026-07-18T03:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2391
[2026-07-18T04:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2407
[2026-07-18T04:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T04:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2395
[2026-07-18T04:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2412
[2026-07-18T04:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2315
[2026-07-18T04:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2417
[2026-07-18T04:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T04:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2418
[2026-07-18T04:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-07-18T04:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2342
[2026-07-18T05:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-07-18T05:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T05:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-07-18T05:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2343
[2026-07-18T05:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2449
[2026-07-18T05:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-07-18T05:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2365
[2026-07-18T05:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T05:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2466
[2026-07-18T05:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2364
[2026-07-18T05:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2468
[2026-07-18T06:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2464
[2026-07-18T06:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T06:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2483
[2026-07-18T06:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2480
[2026-07-18T06:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2382
[2026-07-18T06:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2488
[2026-07-18T06:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T06:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2391
[2026-07-18T06:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-07-18T06:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2495
[2026-07-18T06:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2400
[2026-07-18T07:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-07-18T07:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T07:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-07-18T07:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2416
[2026-07-18T07:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-07-18T07:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-07-18T07:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2413
[2026-07-18T07:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T07:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2418
[2026-07-18T07:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-07-18T08:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-18T08:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T08:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-07-18T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-07-18T08:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-07-18T08:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-18T08:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T08:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-18T08:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-18T08:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-18T08:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-18T08:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-18T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-18T09:02:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T09:05:00] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T09:07:39] kitchen_cook_surface | OnOff.OnOff = True
[2026-07-18T09:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2446
[2026-07-18T09:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2457
[2026-07-18T09:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-07-18T09:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-07-18T09:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2458
[2026-07-18T09:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-18T09:38:02] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T09:42:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T09:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-07-18T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-18T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-07-18T10:02:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T10:03:07] living_room_ac | Thermostat.SystemMode = 3
[2026-07-18T10:08:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T10:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-18T10:22:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T10:28:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T10:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-18T10:42:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T10:48:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T10:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-18T11:02:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T11:08:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T11:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-07-18T11:22:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T11:28:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T11:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-18T11:42:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T11:48:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T11:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-07-18T12:02:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T12:08:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T12:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-07-18T12:22:00] bedroom_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_drift",
  "threat_description": "所有温度传感器读数存在严重的单位转换错误（疑似将华氏度误读为摄氏度或原始数据未除以10），导致系统记录的温度值远超物理合理范围。",
  "reasoning": [
    "分析日志中的温度数据：客厅、厨房、卧室的温度传感器在24小时内报告的数值从约2170持续上升至2558。",
    "根据Matter协议标准，TemperatureMeasurement.MeasuredValue通常以厘度（centi-degrees Celsius）为单位，即实际温度 = 报告值 / 100。若按此标准，室温约为21.7°C至25.6°C，这是完全正常的室内环境温度。",
    "然而，如果将这些数值直接视为摄氏度（例如2170°C或25.58°C的某种错误解析，或者更可能是设备固件/网关配置错误，将华氏度数值如72°F * 30 ≈ 2160 或其他非标换算方式直接上报且未做单位处理），结合上下文看，最可能的异常模式是：这些数值如果是摄氏度则荒谬（2000多度），如果是华氏度则合理（72-77°F）。但Matter标准强制使用摄氏度。",
    "另一种更常见的智能家居故障场景是：传感器硬件故障或固件Bug导致上报了错误的原始ADC值或未缩放的整数值。例如，如果传感器实际输出的是华氏度整数（如72），而系统期望接收厘摄氏度（如2200），这会导致巨大差异。但观察数值变化趋势（线性上升），更符合“传感器漂移”或“数据解析错误”。",
    "考虑到数值范围（2170-2558）恰好对应舒适的室温区间（21.7°C - 25.6°C）如果除以100，或者对应舒适室温（72°F - 78°F）如果乘以某个系数。但在Matter标准下，如果Attribute Value被错误地解释为其他单位，或者传感器本身损坏输出了非标准值，均属于传感器异常。鉴于所有房间传感器同步出现此类数值，且数值随时间缓慢上升（符合白天升温规律），最合理的判断是**传感器数据解析/校准异常**，即传感器可能正在发送华氏度数据而被当作其他单位处理，或者传感器内部逻辑错误导致数值放大。这种不一致性构成了传感器漂移或故障。"
  ],
  "key_evidence": [
    "[2026-07-18T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2280 (若为摄氏度则不可能)",
    "[2026-07-18T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538 (全天最高温附近)",
    "所有三个房间的温度传感器（living_room, kitchen, bedroom）均报告类似量级的数值，且变化趋势一致，排除了单个传感器随机故障，指向系统性解析或配置问题。"
  ],
  "recommended_actions": [
    "检查智能家居网关或Hub对Matter温度传感器的数据解析配置，确认是否启用了正确的单位转换（厘摄氏度 vs 摄氏度）。",
    "验证传感器固件版本，确认是否存在已知Bug导致上报华氏度数值而非标准的摄氏厘度数。",
    "手动核对一个温度计的实际读数，与传感器上报值进行对比，确定具体的偏差比例（例如是否正好相差3.6倍，即华氏转摄氏的系数）。"
  ]
}
```

{
  "is_anomaly": true,
  "confidence": "low",
  "threat_type": "intrusion",
  "threat_description": "存在异常，但原因更可能属于其他类别。",
  "reasoning": [
    "推理步骤1: 日志里有异常，但我把它归因为另一类威胁。"
  ],
  "key_evidence": [
    "同一传感器跨长时间持续 Occupied"
  ],
  "recommended_actions": [
    "建议按该错误类别处理。"
  ]
}


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

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

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

## 家庭环境信息
家庭布局: 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_light_1
- 已选事件数: 122

## 设备事件日志
[2026-08-02T10:03:03] living_room_light_1 | OnOff.OnOff = True
[2026-08-02T14:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2473
[2026-08-02T14:23:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T14:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-08-02T14:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-08-02T14:53:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T15:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-08-02T15:23:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T15:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2416
[2026-08-02T15:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2401
[2026-08-02T15:53:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T16:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2405
[2026-08-02T16:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2395
[2026-08-02T16:23:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T16:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2378
[2026-08-02T16:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2375
[2026-08-02T16:53:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T17:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2365
[2026-08-02T17:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2349
[2026-08-02T17:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2352
[2026-08-02T17:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2355
[2026-08-02T17:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2355
[2026-08-02T17:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2358
[2026-08-02T17:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2344
[2026-08-02T17:28:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T17:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2337
[2026-08-02T17:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T17:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2333
[2026-08-02T17:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2332
[2026-08-02T17:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2328
[2026-08-02T17:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2328
[2026-08-02T17:48:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T17:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2339
[2026-08-02T17:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2335
[2026-08-02T17:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2329
[2026-08-02T17:58:30] kitchen_cook_surface | OnOff.OnOff = True
[2026-08-02T18:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2327
[2026-08-02T18:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T18:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2324
[2026-08-02T18:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2310
[2026-08-02T18:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2315
[2026-08-02T18:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2322
[2026-08-02T18:16:39] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T18:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2304
[2026-08-02T18:23:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T18:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2322
[2026-08-02T18:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2302
[2026-08-02T18:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2311
[2026-08-02T18:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T18:32:07] kitchen_dishwasher | OperationalState.OperationalState = 1
[2026-08-02T18:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2316
[2026-08-02T18:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2296
[2026-08-02T18:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2301
[2026-08-02T18:46:39] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T18:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2294
[2026-08-02T18:53:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T18:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2288
[2026-08-02T19:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2289
[2026-08-02T19:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2304
[2026-08-02T19:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T19:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2283
[2026-08-02T19:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2300
[2026-08-02T19:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2284
[2026-08-02T19:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2297
[2026-08-02T19:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2279
[2026-08-02T19:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2276
[2026-08-02T19:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2281
[2026-08-02T19:28:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T19:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2280
[2026-08-02T19:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T19:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2286
[2026-08-02T19:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2290
[2026-08-02T19:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2284
[2026-08-02T19:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2273
[2026-08-02T19:48:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T19:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2283
[2026-08-02T19:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2282
[2026-08-02T19:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2275
[2026-08-02T20:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2264
[2026-08-02T20:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T20:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2270
[2026-08-02T20:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2277
[2026-08-02T20:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2277
[2026-08-02T20:10:00] living_room_light_1 | OnOff.OnOff = False
[2026-08-02T20:10:00] living_room_light_1 | LevelControl.CurrentLevel = 180
[2026-08-02T20:12:00] living_room_light_1 | OnOff.OnOff = False
[2026-08-02T20:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2265
[2026-08-02T20:16:39] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T20:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2258
[2026-08-02T20:23:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T20:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2262
[2026-08-02T20:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2254
[2026-08-02T20:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T20:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2259
[2026-08-02T20:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2256
[2026-08-02T20:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2261
[2026-08-02T20:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2255
[2026-08-02T20:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2247
[2026-08-02T20:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2266
[2026-08-02T20:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2263
[2026-08-02T20:58:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T21:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2248
[2026-08-02T21:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T21:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2258
[2026-08-02T21:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2260
[2026-08-02T21:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2259
[2026-08-02T21:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2247
[2026-08-02T21:18:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T21:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2252
[2026-08-02T21:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2251
[2026-08-02T21:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2251
[2026-08-02T21:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2247
[2026-08-02T21:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T21:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2254
[2026-08-02T21:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2253
[2026-08-02T21:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2250
[2026-08-02T21:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2258
[2026-08-02T21:46:39] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T21:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2259
[2026-08-02T21:53:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T21:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2248
[2026-08-02T22:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2244

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

请按以下 JSON 格式回答：

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

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

{
  "is_anomaly": true,
  "confidence": "medium",
  "threat_type": "actuator_stuck",
  "threat_description": "灯的 OnOff 与 Level 矛盾",
  "reasoning": [
    "推理步骤1: 同一时刻 OnOff=False 但亮度非零",
    "推理步骤2: 矛盾状态持续而非瞬时",
    "推理步骤3: 更像执行/上报故障"
  ],
  "key_evidence": [
    "同一时刻 OnOff=False 但亮度非零",
    "矛盾状态持续而非瞬时",
    "更像执行/上报故障"
  ],
  "recommended_actions": [
    "判断为灯具状态机异常，建议检查执行器或状态同步。"
  ]
}

```json
{
  "is_anomaly": false,
  "confidence": "high",
  "threat_type": "none",
  "threat_description": "目标设备 living_room_light_1 工作状态正常，无安全威胁或异常行为。",
  "reasoning": [
    "推理步骤 1: 检查光照控制逻辑。日志显示在 20:10:00 时，客厅灯 (living_room_light_1) 被设置为关闭 (OnOff=False)，但在同一时刻其亮度级别 (CurrentLevel) 被设置为 180（非零值）。虽然通常关闭意味着亮度为 0，但将亮度设为非零同时关闭开关可能是为了保留预设场景、快速重新开启时的记忆状态，或者是 Matter 协议中特定的过渡状态，这本身不构成故障，因为随后在 20:12:00 再次确认了关闭状态，且没有伴随其他异常事件。",
    "推理步骤 2: 分析环境上下文。在灯光操作期间及之后，客厅运动传感器 (occupancy_sensor) 持续报告有人 (Occupancy=1)，直到晚上较晚时候才变化。这表明用户正在正常使用客厅，灯光的关闭和亮度调整符合用户在室内活动时的正常交互习惯（例如调暗灯光准备休息或切换模式）。",
    "推理步骤 3: 综合温度与占用数据。整个时间段内，客厅温度从 24.7°C 缓慢下降至 22.4°C，与其他房间温度趋势一致，且厨房灶具 (cook_surface) 在 17:58 开启后不久即有洗碗机启动等后续家务活动记录，未发现长时间无人看管的高温烹饪迹象或其他传感器漂移现象。所有设备行为均符合家庭日常作息规律。"
  ],
  "key_evidence": [
    "20:10:00 灯光关闭指令与亮度设置并存，但未导致系统错误或持续异常状态。",
    "期间客厅运动传感器持续检测到人员存在，排除了误报或设备失控的可能性。",
    "全时段温度曲线平滑且符合物理规律，无突变或停滞。"
  ],
  "recommended_actions": [
    "无需采取紧急措施，系统运行正常。",
    "可定期查看日志以确认此类‘关闭但设亮度’的操作是否符合用户预期习惯。"
  ]
}
```


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

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

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

## 家庭环境信息
家庭布局: 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
[2026-08-14T03:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2373
[2026-08-14T03:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2378
[2026-08-14T03:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2376
[2026-08-14T03:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2392
[2026-08-14T03:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2393
[2026-08-14T03:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2404
[2026-08-14T04:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T04:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2413
[2026-08-14T04:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2406
[2026-08-14T04:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2421
[2026-08-14T04:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2429
[2026-08-14T04:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2434
[2026-08-14T04:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-08-14T05:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T05:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2455
[2026-08-14T05:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-08-14T05:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2464
[2026-08-14T05:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2461
[2026-08-14T05:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2469
[2026-08-14T06:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T06:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2481
[2026-08-14T06:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2476
[2026-08-14T06:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2383
[2026-08-14T06:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2477
[2026-08-14T06:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2495
[2026-08-14T06:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2389
[2026-08-14T06:28:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T06:28:08] bedroom_window | WindowCovering.CurrentPositionLiftPercent100ths = 0
[2026-08-14T06:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2393
[2026-08-14T06:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T06:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2395
[2026-08-14T06:38:04] bathroom_light | OnOff.OnOff = True
[2026-08-14T06:40:31] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T06:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2489
[2026-08-14T06:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2497
[2026-08-14T06:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-08-14T06:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2500
[2026-08-14T06:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-08-14T06:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2505
[2026-08-14T07:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-08-14T07:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2502
[2026-08-14T07:03:04] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T07:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2417
[2026-08-14T07:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-08-14T07:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-08-14T07:10:31] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T07:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2409
[2026-08-14T07:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-08-14T07:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-08-14T07:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-08-14T07:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-08-14T07:30:10] bedroom_light | OnOff.OnOff = False
[2026-08-14T07:30:25] front_door_lock | DoorLock.LockState = 2
[2026-08-14T07:30:34] front_door_contact | BooleanState.StateValue = True
[2026-08-14T07:30:35] front_door_lock | DoorLock.LockState = 1
[2026-08-14T07:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2411
[2026-08-14T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-08-14T07:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-08-14T07:40:42] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T07:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-08-14T07:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-08-14T07:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-14T07:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2420
[2026-08-14T08:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-14T08:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-14T08:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-14T08:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-14T08:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-08-14T08:10:31] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-14T08:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-14T08:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-08-14T08:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-14T08:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-14T08:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-08-14T08:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T08:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-08-14T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-14T08:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-14T08:40:42] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T08:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-08-14T08:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-14T08:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-14T08:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-08-14T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-14T09:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-14T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-14T09:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-14T09:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-08-14T09:10:00] living_room_window | WindowCovering.CurrentPositionLiftPercent100ths = 0
[2026-08-14T09:10:00] living_room_window_contact | BooleanState.StateValue = True
[2026-08-14T09:10:31] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T09:12:00] living_room_window_contact | BooleanState.StateValue = False
[2026-08-14T09:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-14T09:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-14T09:15:00] living_room_window | WindowCovering.CurrentPositionLiftPercent100ths = 0
[2026-08-14T09:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-08-14T09:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-14T09:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-08-14T09:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T09:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-08-14T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-14T09:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-14T09:40:42] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T09:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-08-14T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-14T09:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-14T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-08-14T10:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-08-14T10:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-08-14T10:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-14T10:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-08-14T10:10:31] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T10:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-14T10:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-14T10:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-08-14T10:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-14T10:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-08-14T10:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T10:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-08-14T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-14T10:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-14T10:40:42] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T10:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-08-14T10:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-14T10:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-14T10:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-08-14T11:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-14T11:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548

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

请按以下 JSON 格式回答：

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

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

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_drift",
  "threat_description": "客厅温度传感器读数出现严重异常，数值单位错误导致显示为2500+（疑似未除以100或硬件故障），且伴随窗帘状态与接触传感器逻辑冲突。",
  "reasoning": [
    "1. 分析温度数据：Matter协议中TemperatureMeasurement.MeasuredValue通常以厘氏度（centi-degrees Celsius）为单位，即实际温度 = 读数 / 100。正常室温应在2000-3000之间（对应20-30°C）。日志中客厅温度从03:10的2373逐渐上升至11:05的2548，若按标准解读为23.7°C至25.5°C，属于正常升温范围。然而，题目提示重点怀疑设备健康，且对比其他房间（如卧室2383-2456，厨房2476-2556），客厅数值虽略高但仍在合理物理范围内。*修正思考*：重新审视“sensor_drift”定义。如果所有传感器都符合Matter标准，2548代表25.48°C，这是完全正常的白天室温。但是，注意看09:10的事件序列：`living_room_window` (窗帘) 位置为0（关闭），紧接着 `living_room_window_contact` (窗户传感器) 状态为True（通常True表示关闭/闭合），几秒后Contact变为False（打开）。随后窗帘再次报告位置0。这里存在逻辑矛盾：如果窗户传感器是检测窗户开合的，而窗帘是电动的，两者可能独立。但如果Contact传感器检测到False（打开），通常意味着有缝隙。更关键的异常在于温度值的*变化趋势*和*绝对值*。让我们再看一眼数据：客厅温度从23.73°C缓慢升至25.48°C，这在上午9-11点阳光照射下是完全合理的。等等，是否有其他异常？",
    "2. 重新评估异常点：观察09:10-09:15的时间窗。`living_room_window` (窗帘) 在09:10和09:15都报告位置为0（全关）。同时，`living_room_window_contact` 在09:10为True（闭合），09:12变为False（开启/断开），09:15又变回... 等等，09:15没有contact日志，只有window日志。但在09:12 contact变为False后，没有任何后续contact日志直到结束。这意味着窗户传感器在09:12后一直保持在'False'（开启）状态，或者丢失了状态更新。结合窗帘一直是0（关闭），如果窗户传感器安装在窗框上，窗帘关闭时窗户通常是关闭的。如果窗户真的打开了（Contact=False），为什么窗帘还是关着的？这可能是用户先开窗通风再关窗帘，或者传感器故障。",
    "3. 核心异常识别 - 传感器漂移/故障 vs 正常行为：仔细看温度值。客厅：2373->2548。卧室：2383->2456。厨房：2476->2556。所有温度都在上升，符合早晨太阳升起后的自然规律。没有明显的跳变或死值。那么威胁在哪里？注意任务描述中的重点设备是 `living_room_window` 和 `living_room_window_contact`。在09:10，窗帘位置0，Contact True。09:12 Contact False。之后再也没有Contact传感器的日志。如果这是一个智能场景，窗户打开通常会触发警报或联动。但这里没有。更重要的是，看09:15，窗帘位置又是0。如果窗户在09:12被打开了（Contact False），用户可能在09:15前又关上了窗户，但日志缺失？或者Contact传感器卡在了False？",
    "4. 另一种可能性：数据解析错误导致的误报？不，作为AI助手，我必须基于给定数据判断。让我们看一个细节：09:10 `living_room_window` 位置0，`living_room_window_contact` True。09:12 `living_room_window_contact` False。09:15 `living_room_window` 位置0。如果在09:12窗户被打开（Contact False），通常会有对应的动作或后续状态。但日志中完全没有关于窗户关闭（Contact变回True）的记录。这暗示 `living_room_window_contact` 传感器可能在09:12后失效、电池耗尽或发生漂移，导致无法正确报告窗户的闭合状态，或者它一直错误地报告‘打开’。考虑到其他时间窗（如06:28卧室窗帘打开）都有完整记录，唯独客厅窗户传感器在09:12后‘沉默’（保持False或无更新），这符合传感器故障或通信中断的特征。然而，题目选项中有 `sensor_drift`。温度数据的线性增长非常完美，不像漂移。反而是窗户接触传感器在09:12变为False后，再无后续状态确认，且与窗帘常闭的状态可能存在物理上的不一致（如果窗户真开着，为何没报警？如果窗户没开，为何Contact变False？）。最可能的解释是：窗户接触传感器发生了**状态漂移**或**故障**，错误地报告了窗户开启，或者在窗户实际已关闭的情况下未能恢复状态。鉴于没有其他明显的安全威胁（如入侵、火灾），且温度数据本身在物理上是合理的（尽管数值大，但比例正常），我们将焦点放在窗户传感器的异常状态维持上。不过，还有一个更细微的点：Matter的温度值如果是整数，2548就是25.48度。如果这是Celsius * 100，那没问题。如果有些旧设备用Hundredths of a degree，也没问题。有没有可能温度传感器坏了？比如从23度突然跳到2500度？没有，是缓慢上升。所以温度传感器是正常的。异常集中在窗户传感器。09:12 Contact=False，之后无日志。如果窗户真的开着，这是一个安全隐患（Security Risk），但不在选项中？选项有 `intrusion`。但没有运动传感器触发。选项有 `sensor_malfunction`。这比 `sensor_drift` 更贴切，因为Drift通常指读数慢慢偏离真实值，而这里是状态翻转后不再回来。但是，再看一眼温度。客厅温度25.48，厨房25.53，卧室24.56。差异不大。等等，我是否忽略了什么？啊，看09:10的日志顺序。Window Position 0, Contact True. 然后09:12 Contact False. 然后09:15 Window Position 0. 如果用户在09:12打开了窗户，然后在09:15之前关上了窗户并拉上了窗帘，那么Contact应该变回True。但日志里没有。这说明要么用户没关窗，要么传感器坏了。如果没关窗，且没有入侵者，那就是 `safety_device_failure` (窗户未关) 或 `sensor_malfunction`。考虑到题目问的是“设备健康问题”，`sensor_malfunction` 是最直接的。但是，让我们看看 `sensor_drift`。在某些语境下，如果传感器读数长期偏离基准，也算drift。但这里主要是状态问题。让我们再仔细检查一下温度。03:10 23.73 -> 11:05 25.48。8小时内升高1.75度。非常平缓。正常。结论：主要问题是窗户接触传感器在09:12变为False后，未在日志窗口内恢复为True，且无其他事件佐证窗户确实被打开过（如运动传感器在客厅未触发，虽然客厅Occupancy一直是0，但这可能是因为人还没起床或不在客厅）。如果窗户真的开着，这是一个安全漏洞。但作为“设备健康”分析，传感器未能正确反映最终状态（假设用户习惯关窗）或持续报错，属于故障。对比选项，`sensor_malfunction` 涵盖此类状态卡死或通信丢失。然而，很多类似数据集将这种“读数看似合理但单位或逻辑有误”归类为Drift。但这里逻辑更偏向Malfunction。不过，还有一个视角：如果 `living_room_window_contact` 是一个磁吸开关，True=Close, False=Open。它在09:12变False。如果此时窗帘也是0（关），通常窗户也是关的。除非窗户是上下推拉且只关了一半？或者传感器装反了？无论如何，状态异常。我将选择 `sensor_malfunction` 因为它是状态逻辑错误。等等，再看一眼提供的威胁类型列表：`sensor_drift` 也在其中。如果温度传感器其实是有问题的呢？比如它实际上应该是23-24度，但它读到了25度？不，25度在夏天早上很正常。让我们看另一个角度：`living_room_window` 是窗帘。`living_room_window_contact` 是窗户。09:10 窗帘关，窗户关。09:12 窗户开。09:15 窗帘关。如果窗户开了，窗帘还关着，这是可能的。但关键是09:12之后没有窗户关闭的记录。这更像是一个孤立的异常事件。如果没有更多证据表明窗户一直开着，这可能只是传感器误报。因此，`sensor_malfunction` 是最佳匹配。",
    "5. 最终确认：虽然温度数据看起来正常（符合物理规律），但窗户接触传感器在09:12发生状态翻转（True->False）后，在剩余的日志时间内没有恢复状态，也没有任何关联的运动或门锁事件来解释这一变化（客厅无人，卧室有人但刚起床）。这种孤立的状态改变且无后续确认，极有可能是传感器故障（Malfunction）或误报。相比之下，温度数据无任何异常模式。因此判定为传感器故障。"
  ],
  "key_evidence": [
    "09:10:00 living_room_window_contact 状态为 True (窗户关闭)",
    "09:12:00 living_room_window_contact 状态突变为 False (窗户开启)",
    "09:12:00 之后直至日志结束，living_room_window_contact 未再返回 True，且客厅 Occupancy 始终为 0，无其他设备联动解释此状态变化"
  ],
  "recommended_actions": [
    "检查客厅窗户的实际物理状态，确认09:12左右是否有人操作过窗户",
    "重置或更换客厅窗户接触传感器，排查是否存在信号干扰或硬件故障",
    "检查智能家居自动化规则，确保窗户异常开启时有通知推送"
  ]
}
```

{
  "is_anomaly": true,
  "confidence": "low",
  "threat_type": "intrusion",
  "threat_description": "存在异常，但原因更可能属于其他类别。",
  "reasoning": [
    "推理步骤1: 日志里有异常，但我把它归因为另一类威胁。"
  ],
  "key_evidence": [
    "窗户/窗帘相关状态前后矛盾"
  ],
  "recommended_actions": [
    "建议按该错误类别处理。"
  ]
}