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

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

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

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

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ1
- 重点房间: living_room
- 重点设备: living_room_ac
- 已选事件数: 120

## 设备事件日志
[2026-08-02T03:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2358
[2026-08-02T03:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2364
[2026-08-02T03:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2388
[2026-08-02T03:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2392
[2026-08-02T03:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2387
[2026-08-02T04:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T04:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2408
[2026-08-02T04:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2426
[2026-08-02T04:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-08-02T04:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-08-02T05:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2449
[2026-08-02T05:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2442
[2026-08-02T05:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T05:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2461
[2026-08-02T06:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2484
[2026-08-02T06:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T06:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2476
[2026-08-02T06:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2475
[2026-08-02T06:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2487
[2026-08-02T06:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2492
[2026-08-02T06:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2482
[2026-08-02T06:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2488
[2026-08-02T06:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T06:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-08-02T06:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2502
[2026-08-02T06:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2497
[2026-08-02T07:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2505
[2026-08-02T07:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T07:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-08-02T07:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-08-02T07:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-08-02T07:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-08-02T07:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-08-02T07:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T07:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-08-02T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-08-02T07:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-08-02T07:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-08-02T07:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-08-02T08:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-08-02T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T08:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-02T08:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-08-02T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-02T08:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-02T08:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-02T08:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-02T08:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T08:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-02T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-02T08:42:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T08:42:06] bedroom_light | OnOff.OnOff = True
[2026-08-02T08:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-08-02T08:47:00] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T08:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-02T08:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-02T08:58:07] kitchen_light | OnOff.OnOff = True
[2026-08-02T08:59:11] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T09:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-02T09:00:00] living_room_ac | Event: DeviceOffline()
[2026-08-02T09:02:00] living_room_ac | Event: DeviceOnline()
[2026-08-02T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-02T09:07:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T09:08:00] living_room_ac | Event: DeviceOffline()
[2026-08-02T09:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-02T09:10:00] living_room_ac | Event: DeviceOnline()
[2026-08-02T09:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-08-02T09:18:00] living_room_ac | Event: DeviceOffline()
[2026-08-02T09:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-02T09:30:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-08-02T09:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-02T09:31:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-08-02T09:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2457
[2026-08-02T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-02T09:42:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T09:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-02T09:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2442
[2026-08-02T09:56:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T09:56:19] living_room_ac | Thermostat.SystemMode = 3
[2026-08-02T09:59:11] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T10:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-02T10:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-08-02T10:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-08-02T10:12:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T10:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2559
[2026-08-02T10:21:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T10:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2458
[2026-08-02T10:32:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T10:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-02T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-02T10:41:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T10:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-08-02T10:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-02T10:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-02T11:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-02T11:01:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T11:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2434
[2026-08-02T11:07:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T11:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-02T11:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-08-02T11:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-02T11:29:11] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T11:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-02T11:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-02T11:36:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T11:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-08-02T11:42:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T11:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-02T11:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-08-02T11:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-08-02T12:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-08-02T12:02:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T12:04:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-08-02T12:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2649
[2026-08-02T12:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-02T12:11:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T12:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2421
[2026-08-02T12:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-08-02T12:31:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T12:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507

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

请按以下 JSON 格式回答：

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

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

Chosen response:
```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "客厅温度传感器读数异常偏高且波动剧烈，同时厨房温度传感器出现瞬时极值跳变，表明存在硬件故障或数据上报错误。",
  "reasoning": [
    "1. 分析客厅温度数据：从03:00到12:40，客厅温度传感器读数在2358至2649之间波动。Matter协议中TemperatureMeasurement.MeasuredValue通常以厘氏度（centi-degrees Celsius）为单位，即除以100得到摄氏度。这意味着读数显示为23.58°C至26.49°C。然而，观察其变化趋势：凌晨3点约23.6°C，早上8点后迅速攀升至25.4°C以上，并在中午维持在25.3°C左右。虽然夏季室温可能升高，但关键问题在于数据的**稳定性**。例如，06:00到07:00之间，温度在24.75°C-25.15°C之间频繁小幅震荡，且没有明显的空调调节迹象（AC在09:00前离线）。更严重的是，如果这是真实物理环境，如此缓慢且持续的升温缺乏热源解释（无人、无阳光直射导致的剧烈变化），或者如果这是传感器故障，数值本身可能存在偏差。",
    "2. 识别极端异常值：在12:04，厨房温度传感器读数为None，紧接着在12:05瞬间跳变为2649（26.49°C），这看起来尚可接受，但结合上下文，厨房在09:30关闭灶具后，温度应逐渐回落或稳定。然而，对比其他房间，卧室温度稳定在24.2-24.5°C左右，而客厅和厨房温度显著更高（25.3-25.5°C）。这种温差在密闭的一室一厅中若无明显热源（如长时间烹饪或阳光暴晒）是不正常的。",
    "3. 关联设备状态与逻辑矛盾：日志显示living_room_ac在09:00-09:56期间频繁离线/在线（DeviceOffline/Online），且在09:56才设置为制冷模式（SystemMode=3）。在此之前，室内温度持续上升。如果传感器是准确的，说明空调失效导致室温升高。但是，注意03:00-08:00期间，即使无人（Occupancy=0），温度也从23.5°C升至25.4°C，这在夜间/清晨通常是降温时段，除非有外部热源或传感器漂移。考虑到卧室温度始终较低（~24.3°C），而客厅温度较高，且客厅传感器读数在短时间内的微小波动（如06:00的24.75到06:15的24.87）不符合自然热惯性规律，高度怀疑是**传感器漂移（Sensor Drift）**或**传感器故障（Sensor Malfunction）**。特别是12:04的None值和随后的跳变，进一步佐证了通信或硬件的不稳定性。"
  ],
  "key_evidence": [
    "客厅温度传感器在03:00-08:00期间，在无人员活动且应为降温时段的背景下，温度从23.58°C持续上升至25.43°C，违背自然热力学常识。",
    "厨房温度传感器在12:04报出None值，随后12:05立即恢复为2649，显示数据链路不稳定或传感器间歇性故障。",
    "卧室温度稳定在24.2-24.5°C区间，而客厅温度显著偏高且波动无序，排除全屋环境温度一致的可能性，指向局部传感器问题。",
    "Living Room AC在09:00-09:56期间频繁断连，虽可能导致温控失效，但无法解释凌晨时段的异常升温趋势。"
  ],
  "recommended_actions": [
    "检查客厅和厨房温度传感器的电池电量及信号强度，确认是否存在连接不稳定导致的丢包或乱码。",
    "校准或更换疑似故障的温度传感器，特别是读取到None值或与其他房间温差过大且无合理解释的设备。",
    "验证空调系统实际运行状态，确认是否因传感器读数错误导致空调未正确启动制冷。"
  ]
}
```

Rejected response:
{
  "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": [
    "同一设备频繁离线/上线"
  ],
  "recommended_actions": [
    "建议按该错误类别处理。"
  ]
}


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

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

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

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

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

## 设备事件日志
[2026-07-27T03:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2363
[2026-07-27T03:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2365
[2026-07-27T03:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2382
[2026-07-27T03:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2374
[2026-07-27T03:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2395
[2026-07-27T04:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T04:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2412
[2026-07-27T04:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-07-27T04:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-07-27T04:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2428
[2026-07-27T05:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-07-27T05:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-07-27T05:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T05:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2465
[2026-07-27T06:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2465
[2026-07-27T06:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T06:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2476
[2026-07-27T06:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2484
[2026-07-27T06:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2482
[2026-07-27T06:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2477
[2026-07-27T06:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-07-27T06:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2491
[2026-07-27T06:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2479
[2026-07-27T06:28:02] bathroom_light | OnOff.OnOff = True
[2026-07-27T06:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2490
[2026-07-27T06:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T06:33:02] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-27T06:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2499
[2026-07-27T06:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-07-27T06:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2490
[2026-07-27T06:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-07-27T06:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2499
[2026-07-27T06:50:13] kitchen_light | OnOff.OnOff = True
[2026-07-27T06:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2502
[2026-07-27T07:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-07-27T07:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-07-27T07:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T07:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-07-27T07:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-07-27T07:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-07-27T07:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-07-27T07:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-07-27T07:21:38] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T07:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-07-27T07:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-07-27T07:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T07:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T07:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-07-27T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-07-27T07:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-07-27T07:40:15] front_door_lock | DoorLock.LockState = 2
[2026-07-27T07:40:25] front_door_contact | BooleanState.StateValue = True
[2026-07-27T07:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-07-27T07:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-07-27T07:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-07-27T07:50:18] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-27T07:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-07-27T08:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-07-27T08:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T08:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-07-27T08:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-07-27T08:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-27T08:10:18] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-27T08:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-07-27T08:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-27T08:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-27T08:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-27T08:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-27T08:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-27T08:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T08:30:18] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-27T08:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-27T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-27T08:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-27T08:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-07-27T08:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-27T08:51:38] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T08:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-27T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-27T09:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-27T09:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T09:00:00] living_room_ac | Event: DeviceOffline()
[2026-07-27T09:02:00] living_room_ac | Event: DeviceOnline()
[2026-07-27T09:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-27T09:05:18] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-27T09:08:00] living_room_ac | Event: DeviceOffline()
[2026-07-27T09:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-27T09:10:00] living_room_ac | Event: DeviceOnline()
[2026-07-27T09:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-27T09:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-27T09:18:00] living_room_ac | Event: DeviceOffline()
[2026-07-27T09:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-27T09:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-27T09:25:18] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-27T09:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-27T09:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T09:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-27T09:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-27T09:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2559
[2026-07-27T09:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-27T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-07-27T09:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-27T09:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-27T09:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-27T10:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-27T10:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T10:00:18] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-27T10:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-27T10:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-27T10:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-27T10:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-27T10:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-27T10:21:38] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T10:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-27T10:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-27T10:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T10:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-27T10:35:18] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-27T10:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-27T10:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-27T10:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-07-27T10:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-27T10:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-27T10:55:18] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-27T11:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-27T11:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-27T11:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-27T11:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-27T11:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-27T11:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551

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

请按以下 JSON 格式回答：

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

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

Chosen response:
```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "客厅温度传感器读数异常偏高且持续上升，同时关联的空调设备出现频繁离线/在线波动，表明传感器可能存在故障或空调控制逻辑失效。",
  "reasoning": [
    "1. 温度数据异常分析：日志显示客厅温度从凌晨03:00的23.63°C（Matter协议通常以0.01°C为单位，即2363代表23.63°C）开始，在无人居住（Occupancy=0）的情况下，持续攀升至上午11:00的25.34°C。虽然夏季室温上升符合物理规律，但结合其他房间（如主卧、次卧、厨房）的温度变化来看，整体环境升温较为平缓且同步，而客厅作为重点监控区域，其温度读数在缺乏热源（无烹饪、无人员活动）时呈现单调递增趋势，需警惕传感器漂移或故障。",
    "2. 空调设备状态异常：在09:00至09:20之间，客厅空调（living_room_ac）出现了三次 'DeviceOffline' 和 'DeviceOnline' 的快速切换事件。这种频繁的断连重连通常不是正常的用户操作行为，而是硬件故障、Wi-Fi/Zigbee信号干扰或固件崩溃的表现。",
    "3. 关联性推理：如果空调因故障无法制冷或温控失灵，可能导致室内温度不受控地升高；或者，如果温度传感器本身损坏（例如短路导致读数虚高），空调可能误判室内极热而尝试启动，进而引发通信拥堵或电源负载问题导致离线。两者结合，指向了设备层面的健康危机。"
  ],
  "key_evidence": [
    "[2026-07-27T09:00:00] living_room_ac | Event: DeviceOffline()",
    "[2026-07-27T09:02:00] living_room_ac | Event: DeviceOnline()",
    "[2026-07-27T09:08:00] living_room_ac | Event: DeviceOffline()",
    "[2026-07-27T09:10:00] living_room_ac | Event: DeviceOnline()",
    "[2026-07-27T09:18:00] living_room_ac | Event: DeviceOffline()",
    "Living Room Temperature trend: 2363 (03:00) -> 2534 (11:00), with no occupancy and no cooling events recorded."
  ],
  "recommended_actions": [
    "检查客厅空调的物理连接及网络信号强度，确认是否存在硬件故障。",
    "校准或更换客厅温度传感器，验证其读数是否与其他房间传感器一致。",
    "查看空调固件版本，如有更新请进行升级以修复可能的通信Bug。"
  ]
}
```

Rejected response:
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "设备频繁离线重连",
  "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": [
    "判断为通信层不稳定，建议检查设备网络连接。"
  ]
}


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

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

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

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

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ1
- 重点房间: living_room
- 重点设备: living_room_ac
- 已选事件数: 134

## 设备事件日志
[2026-08-16T03:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2362
[2026-08-16T03:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2369
[2026-08-16T03:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2375
[2026-08-16T03:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2387
[2026-08-16T03:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2390
[2026-08-16T04:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T04:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2407
[2026-08-16T04:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2414
[2026-08-16T04:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2426
[2026-08-16T04:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-08-16T05:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-08-16T05:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-08-16T05:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T05:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2476
[2026-08-16T06:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2472
[2026-08-16T06:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2469
[2026-08-16T06:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T06:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2468
[2026-08-16T06:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2484
[2026-08-16T06:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2487
[2026-08-16T06:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-08-16T06:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2486
[2026-08-16T06:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2480
[2026-08-16T06:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-08-16T06:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T06:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T06:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-08-16T06:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2500
[2026-08-16T06:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-08-16T06:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-08-16T06:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-08-16T06:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-08-16T06:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2505
[2026-08-16T07:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-08-16T07:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T07:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T07:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-08-16T07:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-08-16T07:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-08-16T07:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-08-16T07:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-08-16T07:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-08-16T07:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-08-16T07:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T07:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-08-16T07:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-16T07:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-08-16T07:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-08-16T07:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-08-16T07:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-08-16T08:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-16T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T08:00:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T08:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-08-16T08:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-08-16T08:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-16T08:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-08-16T08:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-16T08:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-16T08:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-16T08:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-16T08:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T08:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T08:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-16T08:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-16T08:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-16T08:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-16T08:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-16T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-16T09:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-16T09:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T09:00:00] living_room_ac | Event: DeviceOffline()
[2026-08-16T09:02:00] living_room_ac | Event: DeviceOnline()
[2026-08-16T09:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-16T09:08:00] living_room_ac | Event: DeviceOffline()
[2026-08-16T09:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-16T09:10:00] living_room_ac | Event: DeviceOnline()
[2026-08-16T09:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-16T09:18:00] living_room_ac | Event: DeviceOffline()
[2026-08-16T09:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-16T09:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-16T09:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-08-16T09:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-16T09:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T09:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T09:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-16T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-16T09:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-16T09:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-16T09:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-16T09:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-08-16T09:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-16T10:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-16T10:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T10:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T10:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-16T10:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-08-16T10:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-16T10:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-16T10:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-16T10:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-16T10:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-16T10:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-16T10:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T10:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-08-16T10:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-16T10:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-16T10:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-16T10:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-16T10:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-16T10:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-16T11:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-16T11:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T11:00:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T11:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-16T11:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-16T11:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-16T11:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-16T11:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-16T11:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-16T11:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-16T11:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-16T11:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T11:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T11:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-16T11:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-16T11:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-08-16T11:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-16T11:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-16T12:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-08-16T12:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-16T12:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T12:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-08-16T12:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533

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

请按以下 JSON 格式回答：

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

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

Chosen response:
```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "客厅温度传感器读数异常偏高且单位错误，导致空调系统无法根据实际室温进行有效调节。",
  "reasoning": [
    "1. 数据格式分析：日志中 `TemperatureMeasurement.MeasuredValue` 的数值（如 2362, 2407, 2558）远超正常摄氏度范围（通常 -50°C 至 +60°C）。在 Matter 协议标准中，该属性通常以厘氏度（centi-degrees Celsius）为单位存储，即除以 100 后得到实际温度。因此，2362 代表 23.62°C，2558 代表 25.58°C。这些数值本身是合理的室内温度。",
    "2. 行为逻辑矛盾：尽管实际室温处于舒适区间（约 23.6°C - 25.6°C），但重点设备 `living_room_ac` 在 09:00 至 09:40 期间出现了频繁的 `DeviceOffline()` 和 `DeviceOnline()` 事件。这种高频掉线重连通常不是正常的网络波动，而是设备试图响应控制指令或状态同步失败的表现。",
    "3. 故障推断：如果空调控制系统读取的是未转换的原始整数值（2500+），它会误判室内温度极高（2500°C），从而触发极端制冷保护或通信超时；或者，更可能的情况是传感器固件存在 Bug，上报了错误的 Cluster/Attribute 映射，导致网关或控制器在处理温度数据时发生解析错误，进而引发空调设备的连接不稳定或控制逻辑混乱。考虑到其他房间传感器读数正常，问题局限于客厅传感器或其与空调的联动链路。"
  ],
  "key_evidence": [
    "客厅温度传感器读数均为四位数整数（如 2558），符合 Matter 协议厘氏度单位特征，但需确认上层应用是否正确处理了单位换算。",
    "在 09:00-09:40 期间，客厅空调出现至少 3 次离线/在线切换，而此时室温稳定在 25.3°C-25.6°C 左右，无剧烈变化，排除了因高温导致的空调自我保护停机。",
    "同一时间段内，厨房、主卧等其他区域温度传感器读数正常且稳定，表明全屋环境并未出现极端高温，进一步证实是局部传感器或数据处理异常。"
  ],
  "recommended_actions": [
    "检查智能家居中枢（Hub/Gateway）对客厅温度传感器的数据解析配置，确保将 `MeasuredValue` 除以 100 转换为摄氏度后再用于空调控制逻辑。",
    "重启客厅空调和温度传感器，观察是否仍存在频繁掉线现象。若问题持续，尝试重新配网或更新传感器固件。",
    "监控未来 24 小时内的温度曲线，确认空调是否能根据正确的温度值正常启停，不再出现无故离线。"
  ]
}
```

Rejected response:
```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "客厅温度传感器读数严重偏离物理现实，且伴随空调设备频繁异常上下线，表明传感器可能故障或受到干扰。",
  "reasoning": [
    "推理步骤 1: 分析温度数据趋势。日志显示从 03:00 到 12:05，客厅温度传感器（living_room_temp_sensor）的读数从 23.62°C (2362/100) 持续上升至 25.58°C (2558/100)。虽然夏季升温合理，但需结合其他房间判断。",
    "推理步骤 2: 对比多房间数据。在 06:00-12:00 期间，厨房、次卧和主卧的温度读数普遍高于客厅（例如 09:00 时厨房 25.46°C vs 客厅 25.36°C），这符合正常热分布。然而，更关键的异常在于数值的‘跳跃’和‘非自然波动’。",
    "推理步骤 3: 识别核心异常点。最显著的异常发生在 09:00 左右。此时 living_room_ac 报告了 DeviceOffline() 和 DeviceOnline() 事件，随后温度读数出现剧烈震荡（如 09:00 为 2536，09:10 跳变至 2537 后又无规律变化）。更重要的是，观察早期数据：03:00 为 23.62，04:00 为 24.07，05:00 为 24.50。如果这是摄氏度乘以 10 的整数表示，那么 23.62 到 24.07 的变化是合理的。但是，请注意 09:00 之后，温度数值在 2530-2560 之间徘徊，而与此同时，空调设备状态极不稳定（在 2 分钟内多次上下线）。这种设备频繁重启通常会导致控制逻辑混乱，进而导致传感器上报错误数据，或者传感器本身因硬件故障（如校准丢失、接触不良）导致读数漂移。考虑到温度上升速率在某些时段过快（如 03:00-04:00 仅 10 分钟升 0.45 度，看似正常，但整体趋势结合设备离线事件，高度怀疑传感器数据不可信），判定为传感器故障。",
    "关键证据": [
      "living_room_ac 在 09:00 至 09:20 期间发生多次 DeviceOffline() 和 DeviceOnline() 事件，显示设备连接或运行状态极度不稳定。",
      "在空调频繁掉线的同时，living_room_temp_sensor 的读数并未呈现预期的降温或稳定趋势，反而在 25.3°C - 25.6°C 区间内表现出与设备状态不匹配的随机波动。"
    ],
    "recommended_actions": [
      "立即检查客厅空调的物理连接和电源状态，排除外部供电问题。",
      "重新校准或更换客厅温度传感器，以获取准确的室内环境温度数据。",
      "暂时禁用基于该温度传感器的自动化场景（如自动开窗帘或调节灯光），防止误操作。"
    ]
  }
}
```


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

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

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

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

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ1
- 重点房间: living_room
- 重点设备: living_room_ac
- 已选事件数: 123

## 设备事件日志
[2026-08-27T03:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2363
[2026-08-27T03:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2378
[2026-08-27T03:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-27T03:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2395
[2026-08-27T04:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2411
[2026-08-27T04:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2418
[2026-08-27T04:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2428
[2026-08-27T05:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-08-27T05:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-08-27T05:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-27T05:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2465
[2026-08-27T06:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2473
[2026-08-27T06:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-27T06:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2476
[2026-08-27T06:09:06] master_bedroom_light | OnOff.OnOff = True
[2026-08-27T06:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2478
[2026-08-27T06:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2491
[2026-08-27T06:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2495
[2026-08-27T06:29:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T06:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-08-27T06:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-27T06:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-08-27T06:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-08-27T06:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-08-27T06:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-08-27T06:54:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T06:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2502
[2026-08-27T07:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2502
[2026-08-27T07:00:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-27T07:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-08-27T07:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-08-27T07:12:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-08-27T07:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-08-27T07:19:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T07:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-08-27T07:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-08-27T07:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-08-27T07:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-27T07:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-08-27T07:39:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T07:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-08-27T07:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-08-27T07:47:30] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-08-27T07:47:34] front_door_contact | BooleanState.StateValue = True
[2026-08-27T07:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-08-27T07:52:33] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T07:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-08-27T08:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-27T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-27T08:04:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T08:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-27T08:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-08-27T08:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-27T08:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-27T08:24:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T08:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-08-27T08:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-27T08:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-27T08:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-27T08:37:33] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T08:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-27T08:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-27T08:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-27T08:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-27T08:57:33] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T09:00:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-27T09:00:00] living_room_ac | Event: DeviceOffline()
[2026-08-27T09:02:00] living_room_ac | Event: DeviceOnline()
[2026-08-27T09:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-27T09:08:00] living_room_ac | Event: DeviceOffline()
[2026-08-27T09:09:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T09:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-27T09:10:00] living_room_ac | Event: DeviceOnline()
[2026-08-27T09:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-27T09:18:00] living_room_ac | Event: DeviceOffline()
[2026-08-27T09:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-27T09:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-27T09:29:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T09:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-27T09:32:33] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T09:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-27T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-27T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-27T09:52:33] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T09:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-27T10:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-27T10:04:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T10:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-27T10:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-27T10:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-27T10:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-27T10:24:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T10:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2559
[2026-08-27T10:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-08-27T10:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-27T10:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-27T10:37:33] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T10:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-27T10:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-27T10:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-27T10:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-08-27T10:57:33] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T11:00:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-27T11:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-27T11:09:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T11:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-27T11:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-27T11:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-27T11:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-27T11:29:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T11:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-27T11:32:33] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T11:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-27T11:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-27T11:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-27T11:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-08-27T11:52:33] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T12:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-27T12:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-27T12:04:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T12:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-27T12:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-08-27T12:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521

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

请按以下 JSON 格式回答：

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

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

Chosen response:
```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "客厅温度传感器读数异常偏高且持续上升，远超正常室温范围，疑似传感器故障或数据上报错误。",
  "reasoning": [
    "1. 分析温度数值：日志中 `living_room_temp_sensor` 的 `TemperatureMeasurement.MeasuredValue` 从 2363 开始，逐步上升至 2540+。在 Matter 协议标准中，该属性通常以厘氏度（centi-degrees Celsius）为单位，即 2363 代表 23.63°C。然而，观察后续数据，如 08:00 的 2536 (25.36°C) 和 10:25 厨房传感器的 2559 (25.59°C)，这些数值本身处于合理室温范围。但需注意，部分智能家居系统可能使用华氏度或其他单位，或者存在小数点错位。若假设单位为厘氏度，25.36°C 是合理的。但若结合上下文，需检查是否有其他异常。",
    "2. 重新审视数值量级与逻辑：仔细观察所有温度传感器数据，客厅、主卧、次卧、厨房的温度值均在 2300-2560 之间波动。如果单位是厘氏度（0.01°C），则室温约为 23-25°C，这是非常正常的夏季或空调开启后的室温。但是，题目要求判断“设备健康问题”。让我们看另一个关键点：`living_room_ac` 的状态。",
    "3. 关键异常点识别：虽然温度数值看似正常（23-25°C），但请注意 `living_room_ac` 在 09:00 - 09:30 期间出现了频繁的 `DeviceOffline()` 和 `DeviceOnline()` 事件（09:00离线, 09:02在线, 09:08离线, 09:10在线, 09:18离线）。这种高频的断连重连通常不是正常的网络波动，而是设备硬件故障、电源不稳定或固件崩溃的表现。",
    "4. 综合判断：虽然温度读数本身在物理上可能是合理的（取决于具体单位的定义，若为华氏度则2500°F显然不可能，若为厘氏度则25°C正常），但空调设备的频繁离线/在线状态是明确的硬件或连接层故障迹象。此外，如果温度单位被误读或传感器漂移导致读数虚高（例如实际25度却报2500多，虽此处数值符合厘氏度逻辑，但空调的剧烈反应暗示了控制回路的问题），结合空调本身的通信故障，判定为设备健康异常。最直接的证据是空调的反复掉线。"
  ],
  "key_evidence": [
    "[2026-08-27T09:00:00] living_room_ac | Event: DeviceOffline()",
    "[2026-08-27T09:02:00] living_room_ac | Event: DeviceOnline()",
    "[2026-08-27T09:08:00] living_room_ac | Event: DeviceOffline()",
    "[2026-08-27T09:10:00] living_room_ac | Event: DeviceOnline()",
    "[2026-08-27T09:18:00] living_room_ac | Event: DeviceOffline()"
  ],
  "recommended_actions": [
    "检查客厅空调的物理连接和电源供应，确认是否存在接触不良或电压不稳。",
    "重启客厅空调及相关的 Matter 边界路由器/网关，排查网络连接稳定性问题。",
    "若问题持续，考虑更换客厅空调或联系厂家进行固件升级/硬件检修。"
  ]
}
```

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


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

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

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

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

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

## 设备事件日志
[2026-07-18T03:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2354
[2026-07-18T03:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2376
[2026-07-18T03:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T03:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2398
[2026-07-18T04:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2409
[2026-07-18T04:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2407
[2026-07-18T04:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-07-18T05:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2442
[2026-07-18T05:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-07-18T05:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T05:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2473
[2026-07-18T06:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2365
[2026-07-18T06:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T06:01:00] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T06:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2486
[2026-07-18T06:08:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T06:10:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T06:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2483
[2026-07-18T06:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2382
[2026-07-18T06:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2487
[2026-07-18T06:28:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-07-18T06:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2388
[2026-07-18T06:30:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T06:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2386
[2026-07-18T06:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-07-18T06:43:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T06:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-07-18T06:52:03] front_door_lock | DoorLock.LockState = 2
[2026-07-18T06:52:07] front_door_lock | Event: LockOperation(LockOperationType=0, OperationSource=Manual)
[2026-07-18T06:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2402
[2026-07-18T07:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T07:03:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T07:05:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T07:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2420
[2026-07-18T07:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2412
[2026-07-18T07:23:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T07:25:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T07:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2413
[2026-07-18T07:31:30] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T07:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2418
[2026-07-18T07:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2420
[2026-07-18T07:48:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T07:50:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T07:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-07-18T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T08:13:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T08:15:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T08:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-07-18T08:28:06] living_room_light | OnOff.OnOff = True
[2026-07-18T08:33:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T08:35:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-18T08:43:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T08:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2443
[2026-07-18T08:48:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T08:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-18T08:53:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T08:55:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-18T09:00:00] living_room_ac | Event: DeviceOffline()
[2026-07-18T09:01:30] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T09:02:00] living_room_ac | Event: DeviceOnline()
[2026-07-18T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-07-18T09:08:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T09:08:00] living_room_ac | Event: DeviceOffline()
[2026-07-18T09:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-07-18T09:10:00] living_room_ac | Event: DeviceOnline()
[2026-07-18T09:13:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T09:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-07-18T09:18:00] living_room_ac | Event: DeviceOffline()
[2026-07-18T09:18:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T09:20:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-18T09:28:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T09:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-07-18T09:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2458
[2026-07-18T09:38:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T09:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-18T09:43:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T09:45:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-18T09:53:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T09:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-07-18T09:58:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T10:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-07-18T10:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-18T10:08:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T10:10:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T10:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-18T10:18:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T10:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-07-18T10:23:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T10:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-18T10:28:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T10:30:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-07-18T10:43:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T10:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-07-18T10:48:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T10:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-18T10:53:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T10:55:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T10:58:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-07-18T11:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-18T11:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-18T11:08:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T11:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-07-18T11:13:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T11:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-18T11:18:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T11:21:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-07-18T11:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-07-18T11:31:30] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T11:37:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T11:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-07-18T11:43:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T11:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-07-18T11:48:03] entrance_occupancy | OccupancySensing.Occupancy = 1

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

请按以下 JSON 格式回答：

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

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

Chosen response:
```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "客厅空调（living_room_ac）在上午9:00至9:18期间出现频繁且异常的离线/在线状态切换，疑似设备通信模块故障或电源不稳定。",
  "reasoning": [
    "分析重点设备 living_room_ac 的状态日志，发现其在 09:00:00 首次触发 DeviceOffline() 事件。",
    "随后该设备在短时间内反复震荡：09:02:00 上线，09:08:00 再次离线，09:10:00 再次上线，09:18:00 第三次离线。这种在18分钟内发生3次断连和重连的模式不符合正常的网络波动特征，属于典型的硬件或固件不稳定表现。",
    "结合环境数据，客厅温度传感器显示室温从早晨的约24°C持续上升至11:40的25.25°C，且在此期间客厅 occupancy 传感器多次报告有人（Occupancy=1），说明老人可能因空调失效而感到炎热，但无法通过智能控制调节，存在健康隐患风险。"
  ],
  "key_evidence": [
    "[2026-07-18T09:00:00] living_room_ac | Event: DeviceOffline()",
    "[2026-07-18T09:02:00] living_room_ac | Event: DeviceOnline()",
    "[2026-07-18T09:08:00] living_room_ac | Event: DeviceOffline()",
    "[2026-07-18T09:10:00] living_room_ac | Event: DeviceOnline()",
    "[2026-07-18T09:18:00] living_room_ac | Event: DeviceOffline()"
  ],
  "recommended_actions": [
    "立即检查客厅空调的物理电源连接及Wi-Fi信号强度，确认是否因接触不良或信号干扰导致断连。",
    "尝试重启空调设备或重置其网络连接；若问题持续，建议联系售后进行硬件检修，以防高温天气下老人中暑。"
  ]
}
```

Rejected response:
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "设备频繁离线重连",
  "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": [
    "判断为通信层不稳定，建议检查设备网络连接。"
  ]
}


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

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

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

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

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ1
- 重点房间: living_room
- 重点设备: living_room_ac
- 已选事件数: 125

## 设备事件日志
[2026-08-04T03:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2366
[2026-08-04T03:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2364
[2026-08-04T03:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2368
[2026-08-04T03:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2388
[2026-08-04T03:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T03:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2383
[2026-08-04T03:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2396
[2026-08-04T04:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2409
[2026-08-04T04:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2404
[2026-08-04T04:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2413
[2026-08-04T04:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2426
[2026-08-04T04:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T04:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2420
[2026-08-04T04:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2422
[2026-08-04T05:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-08-04T05:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2434
[2026-08-04T05:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-08-04T05:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2462
[2026-08-04T05:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T05:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2472
[2026-08-04T06:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2480
[2026-08-04T06:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2484
[2026-08-04T06:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T06:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2484
[2026-08-04T06:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2483
[2026-08-04T06:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2372
[2026-08-04T06:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2475
[2026-08-04T06:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2475
[2026-08-04T06:19:09] bedroom_light | OnOff.OnOff = True
[2026-08-04T06:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2486
[2026-08-04T06:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2476
[2026-08-04T06:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-08-04T06:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2478
[2026-08-04T06:25:04] bathroom_light | OnOff.OnOff = True
[2026-08-04T06:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2488
[2026-08-04T06:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2481
[2026-08-04T06:30:04] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T06:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2383
[2026-08-04T06:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2397
[2026-08-04T06:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2389
[2026-08-04T06:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2404
[2026-08-04T06:50:04] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T06:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2412
[2026-08-04T07:00:00] bathroom_light | OnOff.OnOff = False
[2026-08-04T07:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2411
[2026-08-04T07:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T07:00:14] kitchen_light | OnOff.OnOff = True
[2026-08-04T07:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2505
[2026-08-04T07:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2502
[2026-08-04T07:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2418
[2026-08-04T07:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-08-04T07:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-08-04T07:22:00] kitchen_light | OnOff.OnOff = False
[2026-08-04T07:22:17] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-08-04T07:22:19] front_door_contact | BooleanState.StateValue = False
[2026-08-04T07:22:23] front_door_lock | Event: LockOperation(LockOperationType=0, OperationSource=Manual)
[2026-08-04T07:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-08-04T07:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-08-04T07:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-08-04T07:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-08-04T07:30:42] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T07:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2422
[2026-08-04T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-08-04T07:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-08-04T07:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2419
[2026-08-04T07:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-08-04T07:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-08-04T07:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2434
[2026-08-04T07:56:36] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T08:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2424
[2026-08-04T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T08:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-04T08:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-04T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-08-04T08:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-08-04T08:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-08-04T08:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-04T08:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-04T08:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-04T08:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-04T08:30:42] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T08:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-08-04T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-04T08:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-04T08:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2442
[2026-08-04T08:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-04T08:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-08-04T08:56:36] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T09:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2437
[2026-08-04T09:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T09:00:00] living_room_ac | Event: DeviceOffline()
[2026-08-04T09:02:00] living_room_ac | Event: DeviceOnline()
[2026-08-04T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-08-04T09:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-04T09:08:00] living_room_ac | Event: DeviceOffline()
[2026-08-04T09:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-08-04T09:10:00] living_room_ac | Event: DeviceOnline()
[2026-08-04T09:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-04T09:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-04T09:18:00] living_room_ac | Event: DeviceOffline()
[2026-08-04T09:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-08-04T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-04T09:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-04T09:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-04T09:30:42] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T09:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2459
[2026-08-04T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-04T09:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-08-04T09:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-04T09:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2442
[2026-08-04T09:56:36] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T10:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-08-04T10:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T10:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-04T10:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-04T10:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-08-04T10:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-08-04T10:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-04T10:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-08-04T10:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-04T10:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-08-04T10:30:42] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T10:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-08-04T10:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-04T10:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548

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

请按以下 JSON 格式回答：

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

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

Chosen response:
```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "客厅温度传感器读数异常偏高且持续上升，同时关联的空调设备出现频繁离线/在线波动，表明传感器可能存在故障或数据上报错误。",
  "reasoning": [
    "1. 分析温度趋势：从03:00到10:50，客厅温度传感器读数从2366（约23.66°C）持续攀升至2548（约25.48°C）。虽然夏季室温升高是可能的，但在凌晨03:00-05:00期间，室内无人员活动（Occupancy=0），且没有开启制热设备，环境温度通常应趋于稳定或缓慢下降。然而数据显示温度在无人时段仍在快速上升，这不符合自然热力学规律，暗示传感器可能受到局部热源干扰、校准漂移或硬件故障。",
    "2. 分析空调状态：日志显示客厅空调（living_room_ac）在09:00至09:20之间出现了三次 'DeviceOffline' 和 'DeviceOnline' 的快速切换事件。这种频繁的断连重连通常不是正常的控制逻辑，而是设备试图响应错误的温度指令（例如因传感器报错导致空调误判需要制冷或除湿，进而引发通信拥塞或模块过热保护）或者传感器本身的数据总线故障影响了同一网络下的其他设备稳定性。",
    "3. 综合判断：结合‘无人状态下温度反常升高’与‘空调设备频繁掉线’两个现象，最合理的解释是客厅温度传感器发生了故障（Sensor Malfunction），产生了错误的温度数据，进而可能导致智能家居系统做出错误的控制决策（如空调无效运行或死机）。"
  ],
  "key_evidence": [
    "[2026-08-04T03:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2366 至 [2026-08-04T10:50:00] ... = 2548 (持续上升趋势)",
    "[2026-08-04T03:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0 (无人时段温度仍上升，不合常理)",
    "[2026-08-04T09:00:00] living_room_ac | Event: DeviceOffline()",
    "[2026-08-04T09:02:00] living_room_ac | Event: DeviceOnline()",
    "[2026-08-04T09:08:00] living_room_ac | Event: DeviceOffline()"
  ],
  "recommended_actions": [
    "立即检查客厅温度传感器的物理安装位置，确认是否靠近阳光直射、发热电器或通风口。",
    "尝试重启客厅温度传感器和空调设备，观察温度读数是否恢复正常范围。",
    "如果问题依旧，建议更换客厅温度传感器，并检查空调固件是否需要更新以解决通信稳定性问题。"
  ]
}
```

Rejected response:
{
  "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": [
    "同一设备频繁离线/上线"
  ],
  "recommended_actions": [
    "建议按该错误类别处理。"
  ]
}