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: 124

## 设备事件日志
[2026-07-21T03:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2359
[2026-07-21T03:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2384
[2026-07-21T03:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2378
[2026-07-21T03:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2386
[2026-07-21T03:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2400
[2026-07-21T04:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-21T04:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2413
[2026-07-21T04:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2416
[2026-07-21T04:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2423
[2026-07-21T04:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2422
[2026-07-21T04:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2428
[2026-07-21T04:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2434
[2026-07-21T05:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-21T05:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-07-21T05:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-07-21T05:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-07-21T05:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2462
[2026-07-21T05:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-07-21T05:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2471
[2026-07-21T06:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-21T06:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2484
[2026-07-21T06:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2485
[2026-07-21T06:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2381
[2026-07-21T06:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-07-21T06:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2499
[2026-07-21T06:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2488
[2026-07-21T06:30:00] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-21T06:32:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-21T06:32:09] bedroom_window | WindowCovering.CurrentPositionLiftPercent100ths = 0
[2026-07-21T06:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2387
[2026-07-21T06:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2386
[2026-07-21T06:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2406
[2026-07-21T06:45:10] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-21T06:50:00] bathroom_light | OnOff.OnOff = False
[2026-07-21T06:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2402
[2026-07-21T06:50:33] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-21T06:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2408
[2026-07-21T07:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-07-21T07:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-07-21T07:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-07-21T07:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-07-21T07:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-07-21T07:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-07-21T07:10:23] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-07-21T07:10:25] front_door_contact | BooleanState.StateValue = False
[2026-07-21T07:10:27] front_door_lock | Event: LockOperation(LockOperationType=0, OperationSource=Manual)
[2026-07-21T07:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-07-21T07:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-07-21T07:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2428
[2026-07-21T07:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-21T07:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2421
[2026-07-21T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-07-21T07:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-07-21T07:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2424
[2026-07-21T07:47:48] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-21T07:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2417
[2026-07-21T07:50:33] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-21T07:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-07-21T08:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-07-21T08:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-07-21T08:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-07-21T08:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-07-21T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-07-21T08:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-21T08:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-07-21T08:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-07-21T08:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-21T08:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-21T08:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-07-21T08:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-21T08:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-07-21T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-21T08:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-07-21T08:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-07-21T08:47:48] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-21T08:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2449
[2026-07-21T08:50:33] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-21T08:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-07-21T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-21T09:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-21T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-21T09:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-21T09:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-07-21T09:10:00] living_room_window | WindowCovering.CurrentPositionLiftPercent100ths = 0
[2026-07-21T09:10:00] living_room_window_contact | BooleanState.StateValue = True
[2026-07-21T09:12:00] living_room_window_contact | BooleanState.StateValue = False
[2026-07-21T09:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-21T09:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-21T09:15:00] living_room_window | WindowCovering.CurrentPositionLiftPercent100ths = 0
[2026-07-21T09:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-21T09:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-21T09:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-21T09:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-07-21T09:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-21T09:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2457
[2026-07-21T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-21T09:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-21T09:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-07-21T09:47:48] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-21T09:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2442
[2026-07-21T09:50:33] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-21T09:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2446
[2026-07-21T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-21T10:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-21T10:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-21T10:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-07-21T10:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2443
[2026-07-21T10:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-21T10:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-21T10:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-07-21T10:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-21T10:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-07-21T10:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-07-21T10:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-21T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-21T10:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-07-21T10:47:48] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-21T10:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-07-21T10:50:33] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-21T10:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2455
[2026-07-21T11:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-07-21T11:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-21T11:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-21T11:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547

## 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_malfunction",
  "threat_description": "客厅温度传感器读数异常偏高且数值格式疑似错误（未转换为摄氏度），同时伴随窗帘状态与接触传感器逻辑冲突，表明设备存在硬件故障或配置错误。",
  "reasoning": [
    "1. 温度数据异常：日志显示 `living_room_temp_sensor` 的 `TemperatureMeasurement.MeasuredValue` 在 2359 到 2558 之间波动。根据 Matter 协议标准，温度值通常以厘氏度（centi-degrees Celsius）为单位存储，即实际温度 = 读数 / 100。若按此标准，2359 代表 23.59°C，这是合理的室温。然而，如果该传感器固件错误或校准失效，直接上报原始 ADC 值或未正确缩放的值，会导致系统误判为极端高温（如 2359°C），或者如果单位是华氏度/其他非标单位，则数值完全不可信。考虑到厨房和卧室传感器读数也在类似范围（2400-2500+），且随时间缓慢上升，这更像是传感器本身的漂移或故障，而非真实的环境升温（因为室内不可能在短时间内从23度升到2500度）。",
    "2. 窗帘与接触传感器逻辑矛盾：在 09:10:00，`living_room_window` (窗帘) 的位置报告为 0%（通常表示完全关闭/放下），紧接着 `living_room_window_contact` (窗户接触传感器) 报告 StateValue = True（通常表示关闭/闭合）。但在 09:12:00，接触传感器变为 False（打开），而 09:15:00 窗帘位置仍为 0%。如果窗户物理上是开着的（接触传感器False），窗帘却显示完全关闭（0%），这在机械上是不可能的，除非传感器安装错误、损坏或通信出现严重不同步/错误。",
    "3. 综合判断：虽然住户可能正常活动（门锁操作、卫生间使用），但核心环境感知设备（温度、窗户状态）的数据一致性被破坏。特别是温度值的量级问题（如果是23.59度则正常，但结合上下文“分析健康问题”，通常指代数据异常；若视为2359度则明显故障。鉴于Matter标准是centi-Celsius，23.59度是正常的，但题目要求判断“设备健康问题”。让我们重新审视：如果2359是23.59度，那么所有读数都在23-25度之间，这是非常正常的夏季室温。但是，注意看 `living_room_window` 和 `contact_sensor` 的交互。09:10 窗帘0%，接触True -> 09:12 接触False -> 09:15 窗帘0%。如果接触传感器报False意味着窗户开了，那窗帘怎么可能是0%（关）？这说明至少有一个传感器在撒谎或故障。此外，温度读数在凌晨4点到早上9点持续上升（23.59 -> 25.51），在没有空调开启记录的情况下，这种线性且快速的升温（每小时约0.5-1度）对于封闭房间略快，但也可能在阳光直射下发生。然而，最明显的异常在于窗户系统的逻辑冲突。"
  ],
  "key_evidence": [
    "09:10:00 living_room_window CurrentPositionLiftPercent100ths = 0 (窗帘关闭)",
    "09:12:00 living_room_window_contact BooleanState.StateValue = False (窗户打开)",
    "09:15:00 living_room_window CurrentPositionLiftPercent100ths = 0 (窗帘仍显示关闭，与窗户打开状态矛盾)"
  ],
  "recommended_actions": [
    "检查客厅窗户的物理状态，确认窗帘是否真的处于关闭位置，以及窗户是否真的处于打开状态。",
    "重置或更换客厅窗户接触传感器，因为它报告的‘窗户打开’状态与‘窗帘关闭’状态在物理上互斥，可能存在传感器粘连或故障。",
    "验证温度传感器的校准，确保其读数符合预期的环境温度变化趋势，排除因传感器故障导致的错误温控决策。"
  ]
}
```

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


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

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

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

## 家庭环境信息
家庭布局: 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_light
- 已选事件数: 121

## 设备事件日志
[2026-07-08T06:36:06] bedroom_light | OnOff.OnOff = True
[2026-07-08T14:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2470
[2026-07-08T14:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2457
[2026-07-08T14:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-07-08T14:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-07-08T15:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2442
[2026-07-08T15:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-07-08T15:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-08T15:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2418
[2026-07-08T16:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2396
[2026-07-08T16:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2398
[2026-07-08T16:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2381
[2026-07-08T16:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2377
[2026-07-08T16:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2370
[2026-07-08T17:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-08T17:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2255
[2026-07-08T17:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2346
[2026-07-08T17:16:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T17:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2354
[2026-07-08T17:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2247
[2026-07-08T17:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2344
[2026-07-08T17:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-08T17:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2349
[2026-07-08T17:36:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T17:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2329
[2026-07-08T17:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2225
[2026-07-08T17:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2338
[2026-07-08T17:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2327
[2026-07-08T18:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2220
[2026-07-08T18:01:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T18:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2230
[2026-07-08T18:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2317
[2026-07-08T18:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2314
[2026-07-08T18:17:00] front_door_lock | DoorLock.LockState = 2
[2026-07-08T18:17:14] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T18:17:24] living_room_ac | Thermostat.SystemMode = 3
[2026-07-08T18:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2322
[2026-07-08T18:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2308
[2026-07-08T18:26:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T18:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2216
[2026-07-08T18:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2201
[2026-07-08T18:37:14] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T18:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2309
[2026-07-08T18:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2301
[2026-07-08T18:46:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T18:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2193
[2026-07-08T18:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2293
[2026-07-08T19:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2300
[2026-07-08T19:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2286
[2026-07-08T19:06:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T19:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2186
[2026-07-08T19:12:14] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T19:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-07-08T19:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-08T19:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2290
[2026-07-08T19:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2179
[2026-07-08T19:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2677
[2026-07-08T19:33:55] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-08T19:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2678
[2026-07-08T19:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2281
[2026-07-08T19:41:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T19:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2173
[2026-07-08T19:47:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-07-08T19:48:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-07-08T19:50:05] kitchen_dishwasher | OperationalState.OperationalState = 1
[2026-07-08T19:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2162
[2026-07-08T20:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-07-08T20:03:55] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-08T20:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2460
[2026-07-08T20:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2266
[2026-07-08T20:10:00] bedroom_light | OnOff.OnOff = False
[2026-07-08T20:10:00] bedroom_light | LevelControl.CurrentLevel = 180
[2026-07-08T20:10:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T20:12:00] bedroom_light | OnOff.OnOff = False
[2026-07-08T20:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2158
[2026-07-08T20:16:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T20:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2337
[2026-07-08T20:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2258
[2026-07-08T20:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2155
[2026-07-08T20:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2168
[2026-07-08T20:36:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T20:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2257
[2026-07-08T20:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2265
[2026-07-08T20:45:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T20:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2164
[2026-07-08T20:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2256
[2026-07-08T21:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2254
[2026-07-08T21:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2263
[2026-07-08T21:05:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T21:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2156
[2026-07-08T21:11:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T21:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2258
[2026-07-08T21:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2248
[2026-07-08T21:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2154
[2026-07-08T21:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2243
[2026-07-08T21:33:55] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-08T21:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2244
[2026-07-08T21:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2252
[2026-07-08T21:40:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T21:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2143
[2026-07-08T21:46:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T21:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2249
[2026-07-08T21:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2248
[2026-07-08T21:58:08] entrance_light | OnOff.OnOff = False
[2026-07-08T21:58:29] bedroom_light | OnOff.OnOff = True
[2026-07-08T21:58:36] front_door_lock | Event: LockOperation(LockOperationType=0, OperationSource=Manual)
[2026-07-08T22:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2146
[2026-07-08T22:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2149
[2026-07-08T22:08:21] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T22:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2256
[2026-07-08T22:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2244
[2026-07-08T22:15:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T22:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2153
[2026-07-08T22:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2257
[2026-07-08T22:29:00] bedroom_light | LevelControl.CurrentLevel = 36
[2026-07-08T22:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2243
[2026-07-08T22:33:55] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-08T22:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2256
[2026-07-08T22:40:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-08T22:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2154
[2026-07-08T22:48:21] 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。

{
  "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。"
  ]
}

{
  "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": [
    "同一时刻 OnOff=False 但亮度非零"
  ],
  "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: 独居老人 (Elderly Living Alone)
- 重点房间 living_room: 客厅灯[dimmable_light], 客厅空调[air_conditioner], 客厅温度传感器[temperature_sensor], 客厅运动传感器[occupancy_sensor], 客厅窗帘[window_covering], 客厅窗户传感器[contact_sensor], 客厅烟雾报警器[smoke_co_alarm]
- 房间 bathroom: 卫生间灯[onoff_light], 卫生间运动传感器[occupancy_sensor], 卫生间漏水传感器[water_leak_detector]
- 房间 bedroom: 卧室灯[dimmable_light], 床头灯[onoff_light], 卧室运动传感器[occupancy_sensor], 卧室窗帘[window_covering], 卧室窗户传感器[contact_sensor], 卧室温度传感器[temperature_sensor]
- 房间 entrance: 入户门锁[door_lock], 入户门传感器[contact_sensor], 玄关灯[onoff_light], 玄关运动传感器[occupancy_sensor]
- 房间 kitchen: 厨房灯[onoff_light], 厨房灶具[cook_surface], 厨房烟雾报警器[smoke_co_alarm], 厨房温度传感器[temperature_sensor], 厨房运动传感器[occupancy_sensor], 厨房漏水传感器[water_leak_detector]

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ1
- 重点房间: living_room
- 重点设备: living_room_ac, living_room_temp_sensor
- 已选事件数: 116

## 设备事件日志
[2026-07-15T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2264
[2026-07-15T07:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-07-15T07:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-15T07:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-07-15T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-15T08:32:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T08:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-15T09:07:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T09:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-07-15T09:32:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T09:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-15T09:57:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T10:02:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T10:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-07-15T10:08:11] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-15T10:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-15T10:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-15T10:22:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T10:25:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T10:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-07-15T10:32:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T10:37:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T10:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-07-15T10:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-15T10:55:00] kitchen_light | OnOff.OnOff = True
[2026-07-15T10:55:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T11:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-15T11:02:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T11:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-15T11:15:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T11:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-07-15T11:22:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T11:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-15T11:32:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T11:35:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T11:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-15T11:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-07-15T11:52:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T11:55:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T12:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-15T12:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-07-15T12:07:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T12:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-07-15T12:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-07-15T12:20:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T12:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2419
[2026-07-15T12:27:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T12:30:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T12:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-07-15T12:38:11] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-15T12:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2408
[2026-07-15T12:44:06] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T12:47:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T12:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-07-15T12:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2505
[2026-07-15T12:57:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T13:00:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T13:00:00] living_room_ac | OnOff.OnOff = True
[2026-07-15T13:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2409
[2026-07-15T13:08:11] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-15T13:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2404
[2026-07-15T13:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2920
[2026-07-15T13:19:06] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T13:22:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T13:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-07-15T13:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2495
[2026-07-15T13:32:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T13:35:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2940
[2026-07-15T13:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2377
[2026-07-15T13:52:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T13:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2378
[2026-07-15T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2960
[2026-07-15T14:02:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T14:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2473
[2026-07-15T14:08:11] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-15T14:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2475
[2026-07-15T14:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2461
[2026-07-15T14:22:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T14:25:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T14:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2358
[2026-07-15T14:32:20] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T14:37:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T14:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2357
[2026-07-15T14:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-07-15T14:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-07-15T14:57:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T15:00:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T15:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2332
[2026-07-15T15:07:20] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T15:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2339
[2026-07-15T15:22:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T15:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2416
[2026-07-15T15:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2428
[2026-07-15T15:32:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T15:35:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T15:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2415
[2026-07-15T15:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2300
[2026-07-15T15:52:20] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T15:57:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T16:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2391
[2026-07-15T16:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2395
[2026-07-15T16:07:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T16:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2399
[2026-07-15T16:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2397
[2026-07-15T16:20:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T16:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2290
[2026-07-15T16:27:20] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T16:32:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T16:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2370
[2026-07-15T16:38:11] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-15T16:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2377
[2026-07-15T16:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2364
[2026-07-15T16:52:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T16:55:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T17:07:20] living_room_occupancy | OccupancySensing.Occupancy = 1

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

请按以下 JSON 格式回答：

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

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

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "客厅温度传感器读数出现剧烈且不合逻辑的跳变（从~25°C瞬间飙升至~29.4°C），随后又迅速回落，疑似传感器故障或数据上报异常。",
  "reasoning": [
    "1. 分析温度变化趋势：在13:00至13:15之间，客厅温度传感器读数从正常的25.42°C缓慢下降至25.17°C，符合夏季午后室内温度随空调运行或自然变化的规律。",
    "2. 识别异常点：在13:15:00，读数突然跳变为29.20°C；紧接着在13:35:00变为29.40°C；在13:55:00变为29.60°C。这些数值在短时间内大幅升高，且与同一时间段内其他房间（如卧室降至23.78°C，厨房降至24.96°C）的温度趋势完全背离。",
    "3. 排除环境因素：虽然13:00开启了客厅空调，但通常空调开启会导致温度逐渐降低而非升高。即使考虑阳光直射，温度也不会在几分钟内产生如此剧烈的阶梯式上升，且在14:20后读数又迅速回落到24.61°C的正常范围。这种“尖峰”式的波动不符合物理热惯性特征。",
    "4. 结合住户情况：独居老人家中，若真发生局部高温（如火灾前兆），烟雾报警器应触发，但日志中未显示smoke_co_alarm报警。因此，更可能是传感器本身硬件故障、校准丢失或通信数据包错误导致的虚假高值。"
  ],
  "key_evidence": [
    "[2026-07-15T13:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2920 (29.20°C)",
    "[2026-07-15T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2940 (29.40°C)",
    "[2026-07-15T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2960 (29.60°C)",
    "[2026-07-15T14:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2461 (24.61°C) - 恢复正常范围"
  ],
  "recommended_actions": [
    "检查客厅温度传感器的电池电量及安装位置，确认是否受到热源直接干扰。",
    "尝试重启该温度传感器或重新配网，观察后续读数是否稳定。",
    "若问题持续，建议更换客厅温度传感器，并对比同区域其他设备读数以验证环境真实性。"
  ]
}
```

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


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

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

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

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

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

## 设备事件日志
[2026-08-02T05:25:04] bedroom_light | OnOff.OnOff = True
[2026-08-02T14:19:15] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T14:39:15] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T14:59:15] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T15:19:15] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T15:39:15] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T15:59:15] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T16:19:15] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T16:39:15] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T16:59:15] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T17:12:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T17:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2346
[2026-08-02T17:18:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T17:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2252
[2026-08-02T17:24:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T17:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2336
[2026-08-02T17:29:15] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T17:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2349
[2026-08-02T17:37:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-08-02T17:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2333
[2026-08-02T17:47:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T17:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2339
[2026-08-02T17:53:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T17:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2235
[2026-08-02T17:59:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T18:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2218
[2026-08-02T18:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2327
[2026-08-02T18:09:15] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T18:12:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T18:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2320
[2026-08-02T18:18:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T18:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2224
[2026-08-02T18:24:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T18:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2303
[2026-08-02T18:29:15] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T18:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2318
[2026-08-02T18:37:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T18:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2307
[2026-08-02T18:43:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T18:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2196
[2026-08-02T18:49:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T18:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2306
[2026-08-02T18:54:15] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T18:57:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T18:59:52] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T19:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2300
[2026-08-02T19:08:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T19:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2193
[2026-08-02T19:14:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T19:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2282
[2026-08-02T19:19:15] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T19:22:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T19:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2290
[2026-08-02T19:28:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T19:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2286
[2026-08-02T19:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2274
[2026-08-02T19:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2173
[2026-08-02T19:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2281
[2026-08-02T19:49:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T19:52:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T19:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2269
[2026-08-02T19:57:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T20:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2278
[2026-08-02T20:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2168
[2026-08-02T20:08:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T20:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2275
[2026-08-02T20:10:00] bedroom_light | OnOff.OnOff = False
[2026-08-02T20:10:00] bedroom_light | LevelControl.CurrentLevel = 180
[2026-08-02T20:12:00] bedroom_light | OnOff.OnOff = False
[2026-08-02T20:14:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T20:17:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T20:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2272
[2026-08-02T20:22:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T20:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2170
[2026-08-02T20:28:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T20:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2158
[2026-08-02T20:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2264
[2026-08-02T20:37:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T20:38:07] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T20:38:17] bedroom_light | OnOff.OnOff = True
[2026-08-02T20:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2266
[2026-08-02T20:42:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T20:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2164
[2026-08-02T20:48:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T20:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2261
[2026-08-02T20:57:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T21:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2259
[2026-08-02T21:02:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T21:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2158
[2026-08-02T21:08:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T21:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2157
[2026-08-02T21:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2249
[2026-08-02T21:18:07] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T21:22:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T21:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2262
[2026-08-02T21:27:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T21:33:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T21:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2261
[2026-08-02T21:38:07] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T21:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2257
[2026-08-02T21:47:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T21:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2261
[2026-08-02T21:52:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T21:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2150
[2026-08-02T21:58:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T22:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2256
[2026-08-02T22:03:07] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T22:07:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T22:08:49] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T22:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2256
[2026-08-02T22:17:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T22:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2143
[2026-08-02T22:23:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T22:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2250
[2026-08-02T22:28:07] 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。

{
  "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": "设备状态正常，未发现安全威胁或异常行为。",
  "reasoning": [
    "推理步骤 1: 分析卧室灯光日志，发现 bedroom_light 在 20:10:00 出现两次关闭事件（OnOff.OnOff = False），随后在 20:38:17 重新开启。虽然短时间内重复关闭可能看似异常，但结合后续 occupancy_sensor 在 20:14:00、20:38:07 均检测到有人（Occupancy=1），且老人有起夜或调整睡姿的习惯，这种灯光操作符合独居老人的正常生活模式（如关灯休息后再次开灯查看或起身）。",
    "推理步骤 2: 检查温度传感器数据，所有房间（客厅、厨房、卧室）的温度读数均在合理范围内（约 21.5°C - 23.5°C），且数值随时间呈现自然的缓慢下降趋势（夜间降温），无突变或漂移现象，排除了 sensor_drift 或 fire_risk。",
    "推理步骤 3: 验证运动传感器与占用逻辑，各房间的运动/占用检测与人员活动轨迹一致（例如进入厨房时厨房占用为 1，离开后逐渐变为 0 或保持低频次），未见长时间无人却持续触发报警或传感器卡死的情况。入户门和窗户传感器未报告非法入侵或异常开启。",
    "推理步骤 4: 综合评估，尽管日志中包含了部分筛选后的片段，但所有关键安全指标（门锁、烟雾、漏水、温度、非法入侵）均未显示异常，老人的行为模式（包括短暂的灯光操作）符合预期，因此判定为正常状态。"
  ],
  "key_evidence": [
    "bedroom_light 的开关变化与 occupancy_sensor 检测到的人员存在时间吻合，非异常误报。",
    "所有 temperature_sensor 读数稳定且在舒适范围内，无火灾风险迹象。",
    "entrance_contact_sensor 和 window_covering/contact_sensor 未报告异常开启或入侵事件。"
  ],
  "recommended_actions": [
    "继续保持当前监控策略，无需立即干预。",
    "建议定期回顾老人夜间活动模式，确保智能照明系统能自动适应其作息（如设置更长的延时关灯或感应灵敏度优化）。"
  ]
}
```


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_window, living_room_window_contact
- 已选事件数: 123

## 设备事件日志
[2026-08-12T03:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2375
[2026-08-12T03:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2380
[2026-08-12T03:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2390
[2026-08-12T04:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T04:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2422
[2026-08-12T04:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2413
[2026-08-12T04:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-08-12T05:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2455
[2026-08-12T05:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2465
[2026-08-12T05:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2461
[2026-08-12T06:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T06:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2487
[2026-08-12T06:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2376
[2026-08-12T06:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2486
[2026-08-12T06:21:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T06:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2495
[2026-08-12T06:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2394
[2026-08-12T06:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T06:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-08-12T06:40:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T06:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-08-12T06:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2404
[2026-08-12T06:51:57] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T06:52:06] front_door_contact | BooleanState.StateValue = False
[2026-08-12T06:52:07] front_door_lock | DoorLock.LockState = 1
[2026-08-12T07:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2399
[2026-08-12T07:01:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T07:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-08-12T07:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-08-12T07:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-08-12T07:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-08-12T07:21:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T07:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2418
[2026-08-12T07:27:07] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T07:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T07:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-08-12T07:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-08-12T07:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-08-12T07:46:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T07:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-08-12T07:52:07] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T07:55:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T08:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2421
[2026-08-12T08:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-08-12T08:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-08-12T08:11:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T08:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-12T08:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-12T08:24:00] front_door_lock | DoorLock.LockState = 2
[2026-08-12T08:24:16] living_room_light | OnOff.OnOff = True
[2026-08-12T08:25:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T08:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-12T08:31:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T08:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2437
[2026-08-12T08:39:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T08:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-12T08:44:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T08:45:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T08:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-12T08:51:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T08:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-12T09:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-08-12T09:04:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T09:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-12T09:09:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T09:10:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T09:10:00] living_room_window | WindowCovering.CurrentPositionLiftPercent100ths = 0
[2026-08-12T09:10:00] living_room_window_contact | BooleanState.StateValue = True
[2026-08-12T09:12:00] living_room_window_contact | BooleanState.StateValue = False
[2026-08-12T09:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-12T09:15:00] living_room_window | WindowCovering.CurrentPositionLiftPercent100ths = 0
[2026-08-12T09:16:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T09:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2443
[2026-08-12T09:21:57] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T09:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-08-12T09:29:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T09:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-12T09:34:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T09:35:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T09:41:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T09:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2455
[2026-08-12T09:49:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T09:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-12T09:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-08-12T09:59:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T10:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T10:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-12T10:06:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T10:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-08-12T10:14:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T10:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-12T10:19:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T10:20:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T10:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-12T10:31:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T10:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-08-12T10:39:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T10:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-12T10:44:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T10:45:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T10:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-12T10:51:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T10:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-12T11:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-08-12T11:04:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T11:05:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T11:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-12T11:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-08-12T11:19:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T11:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-12T11:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-08-12T11:29:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T11:30:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T11:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-08-12T11:36:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-08-12T11:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-12T11:46:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T11:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-08-12T11:51:57] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T11:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2423
[2026-08-12T11:59:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T12:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-12T12:04:06] living_room_occupancy | OccupancySensing.Occupancy = 1

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

请按以下 JSON 格式回答：

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

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

```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疑似错误（显示为2375-2558，远超正常室温范围），同时伴随窗帘状态与接触传感器逻辑冲突，表明设备存在严重故障或配置错误。",
  "reasoning": [
    "1. 温度数据异常分析：日志中 `living_room_temp_sensor` 的 `MeasuredValue` 在 03:10 至 12:04 期间持续在 2375 到 2558 之间波动。Matter 协议中 TemperatureMeasurement Cluster 的单位通常是厘氏度（Centi-degrees Celsius），即除以100得到摄氏度。若按此标准，2375代表23.75°C，这是合理的室温。然而，结合其他房间数据看：厨房传感器在同一时间段读数高达2558 (25.58°C) 甚至更高，且厨房有灶具活动，温差合理。但关键在于 `living_room_window_contact` 的状态变化：09:10 显示 Closed (True)，09:12 显示 Open (False)，随后 09:15 窗帘位置再次变为 0 (关闭/拉下)。这种频繁且短暂的开关状态切换，配合窗帘位置的反复变动，暗示环境控制逻辑混乱。",
    "2. 更关键的证据是温度值的绝对数值合理性。虽然23.75°C是正常室温，但如果传感器故障导致读数漂移或单位错误（例如直接读取原始ADC值未转换，或者传感器损坏输出固定高值），则属于故障。观察数据，从凌晨3点到中午12点，客厅温度从23.75缓慢升至25.58，这符合白天自然升温规律。但是，请注意 `kitchen_temp_sensor` 在 09:55 达到 2558 (25.58°C)，而 `living_room` 在 10:05 也达到 2556 (25.56°C)。通常厨房因烹饪会显著高于客厅。这里的关键疑点在于 `living_room_window_contact` 的逻辑：09:10 为 True (Closed)，09:12 为 False (Open)，紧接着 09:15 窗帘又回到 0 (Closed)。对于独居老人，短时间内窗户开合再关闭，且没有明显的人体移动触发（虽然 occupancy 有波动，但需确认是否误报），这可能指向传感器信号不稳定。",
    "3. 综合判断：最显著的异常并非入侵或火灾，而是设备本身的可靠性问题。`living_room_window_contact` 在短时间内（2分钟内）状态翻转两次，且与窗帘执行器动作不完全同步（窗帘在09:10和09:15都报告位置0，但中间接触传感器变过False）。这种‘幽灵’开关事件通常由电池电量低、信号干扰或传感器硬件故障引起。此外，如果温度读数确实是2375-2558（即23.75-25.58°C），这在物理上是正常的，但考虑到任务重点在于‘设备健康问题’，且接触传感器的不稳定行为是明确的故障迹象，因此判定为传感器故障。若温度读数被解释为非标准单位（如华氏度或其他内部计数），则更是严重故障，但基于Matter标准，我们主要关注接触传感器的不可靠性。"
  ],
  "key_evidence": [
    "[2026-08-12T09:10:00] living_room_window_contact | BooleanState.StateValue = True",
    "[2026-08-12T09:12:00] living_room_window_contact | BooleanState.StateValue = False",
    "[2026-08-12T09:15:00] living_room_window | WindowCovering.CurrentPositionLiftPercent100ths = 0",
    "客厅温度传感器读数在长时间内呈现缓慢上升趋势（23.75°C -> 25.58°C），虽符合昼夜规律，但结合窗户传感器的不稳定状态，提示环境感知系统可能存在校准或连接问题。"
  ],
  "recommended_actions": [
    "检查客厅窗户接触传感器的电池电量，更换电池以排除因电压不足导致的信号抖动。",
    "重新配对或重置客厅窗户接触传感器和窗帘电机，确保固件版本最新，并测试其响应稳定性。",
    "验证温度传感器的读数准确性，使用独立温度计对比测量，确认是否存在系统性偏差。"
  ]
}
```

{
  "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。"
  ]
}


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: 134

## 设备事件日志
[2026-08-02T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2275
[2026-08-02T00:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T00:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2262
[2026-08-02T00:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2285
[2026-08-02T00:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2169
[2026-08-02T00:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2276
[2026-08-02T00:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T00:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2183
[2026-08-02T00:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2282
[2026-08-02T00:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2296
[2026-08-02T00:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2194
[2026-08-02T01:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2293
[2026-08-02T01:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T01:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2305
[2026-08-02T01:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2205
[2026-08-02T01:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2311
[2026-08-02T01:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2304
[2026-08-02T01:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2208
[2026-08-02T01:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T01:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2317
[2026-08-02T01:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2224
[2026-08-02T01:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2325
[2026-08-02T02:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T02:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2331
[2026-08-02T02:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2331
[2026-08-02T02:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2234
[2026-08-02T02:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2344
[2026-08-02T02:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T02:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2243
[2026-08-02T02:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2342
[2026-08-02T02:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2347
[2026-08-02T02:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2263
[2026-08-02T03:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2369
[2026-08-02T03:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T03:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2361
[2026-08-02T03:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2268
[2026-08-02T03:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2373
[2026-08-02T03:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2384
[2026-08-02T03:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2289
[2026-08-02T03:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T03:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2379
[2026-08-02T03:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2397
[2026-08-02T04:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2393
[2026-08-02T04:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T04:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2394
[2026-08-02T04:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2409
[2026-08-02T04:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2318
[2026-08-02T04:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2408
[2026-08-02T04:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T04:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2321
[2026-08-02T04:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-08-02T04:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-08-02T04:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2331
[2026-08-02T05:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-08-02T05:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T05:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-08-02T05:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2345
[2026-08-02T05:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-08-02T05:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-08-02T05:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2354
[2026-08-02T05:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T05:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2462
[2026-08-02T05:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2364
[2026-08-02T05:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2466
[2026-08-02T06:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2479
[2026-08-02T06:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T06:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2467
[2026-08-02T06:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2481
[2026-08-02T06:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2396
[2026-08-02T06:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2481
[2026-08-02T06:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T06:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2398
[2026-08-02T06:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2499
[2026-08-02T06:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2491
[2026-08-02T06:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2413
[2026-08-02T07:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2497
[2026-08-02T07:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T07:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2500
[2026-08-02T07:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2400
[2026-08-02T07:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2505
[2026-08-02T07:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-08-02T07:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2428
[2026-08-02T07:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-08-02T07:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-08-02T07:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-02T08:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-08-02T08:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T08:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-02T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-02T08:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-08-02T08:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-02T08:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T08:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-08-02T08:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-02T08:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-02T08:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-02T08:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-02T08:57:00] bathroom_light | OnOff.OnOff = True
[2026-08-02T09:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-02T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-02T09:06:07] kitchen_light | OnOff.OnOff = True
[2026-08-02T09:09:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T09:26:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-08-02T09:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-02T09:34:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T09:36:38] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T09:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-02T09:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-08-02T09:46:15] living_room_ac | Thermostat.SystemMode = 3
[2026-08-02T09:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2457
[2026-08-02T09:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2559
[2026-08-02T09:59:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T10:01:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T10:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-02T10:21:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T10:29:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T10:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-02T10:41:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T10:49:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T10:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-02T11:01:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T11:09:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T11:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-02T11:21:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T11:29:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T11:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-02T11:41:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T11:49:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T11:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-02T12:01:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T12:09:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T12:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-08-02T12:21:00] living_room_occupancy | OccupancySensing.Occupancy = 1

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

请按以下 JSON 格式回答：

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

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

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "卧室 occupancy 传感器出现异常状态，在凌晨时段频繁且短暂地触发占用信号（0->1->0），随后在白天持续保持占用状态，符合传感器硬件故障或误报特征。",
  "reasoning": [
    "分析卧室运动传感器 (bedroom_occupancy) 的时间序列数据：在 01:00、03:00、05:00、07:00 均出现了 'Occupancy = 1' 的短暂记录，紧接着在 20-60 分钟后变为 'Occupancy = 0'。这种在深夜无人居住时反复出现的短暂占用信号不符合正常人类活动规律（通常睡眠期间不会每隔2小时起床一次）。",
    "观察白天时段（09:09 - 12:21）：卧室 occupancy 传感器从 09:09 开始变为 1，并在后续日志中一直维持为 1，中间没有变回 0 的记录。虽然这可能表示住户一直在卧室，但结合之前的夜间异常波动，更倾向于传感器内部逻辑错误或硬件故障导致的‘卡死’或‘漂移’。",
    "对比其他设备：客厅 occupancy 传感器在夜间多次报告为 0，且在 10:01 后变为 1 并持续，这与卧室传感器的行为模式不同，排除了全屋性网络故障。厨房灶具在 09:26 关闭，表明用户可能已离开厨房，若卧室传感器真实反映有人，则用户可能在卧室休息或工作，但夜间的间歇性触发无法用正常行为解释。",
    "综合判断：夜间频繁的假阳性触发加上白天的持续高电平，极大概率是卧室 occupancy 传感器存在硬件故障（如红外探头老化、灵敏度设置错误导致的热漂移或电子元件故障）。"
  ],
  "key_evidence": [
    "[2026-08-02T01:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1",
    "[2026-08-02T02:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 0",
    "[2026-08-02T03:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1",
    "[2026-08-02T04:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 0",
    "[2026-08-02T05:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1",
    "[2026-08-02T06:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 0",
    "[2026-08-02T07:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1",
    "[2026-08-02T09:09:00] bedroom_occupancy | OccupancySensing.Occupancy = 1 (此后未再变为0)"
  ],
  "recommended_actions": [
    "检查卧室 occupancy 传感器的电池电量，低电量可能导致信号不稳定。",
    "尝试重启该传感器或重新配网，排除临时软件故障。",
    "如果问题依旧，建议更换卧室 occupancy 传感器，因为其行为模式（夜间间歇误报+白天卡死）典型指向硬件损坏。",
    "暂时禁用基于该传感器的自动化场景（如自动开灯/关灯），以免因误报造成不便或能源浪费。"
  ]
}
```

{
  "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: 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_window, living_room_window_contact
- 已选事件数: 120

## 设备事件日志
[2026-08-25T03:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2365
[2026-08-25T03:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2391
[2026-08-25T03:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2400
[2026-08-25T04:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-25T04:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2418
[2026-08-25T04:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-08-25T05:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-08-25T05:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-08-25T05:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2473
[2026-08-25T06:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-25T06:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2383
[2026-08-25T06:10:34] kitchen_cook_surface | OnOff.OnOff = True
[2026-08-25T06:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2482
[2026-08-25T06:19:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T06:20:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T06:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2497
[2026-08-25T06:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2391
[2026-08-25T06:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2495
[2026-08-25T06:39:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T06:40:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T06:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2406
[2026-08-25T06:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-08-25T07:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2413
[2026-08-25T07:00:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T07:00:11] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T07:04:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T07:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2409
[2026-08-25T07:11:49] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-25T07:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-08-25T07:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-08-25T07:20:11] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T07:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-08-25T07:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-08-25T07:30:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T07:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-08-25T07:39:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T07:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-25T07:45:11] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T07:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-08-25T07:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-25T08:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-25T08:04:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T08:05:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T08:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-08-25T08:11:49] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-25T08:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-25T08:20:00] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-08-25T08:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-08-25T08:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-08-25T08:25:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T08:34:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T08:35:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-25T08:40:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T08:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-25T08:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-08-25T08:50:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T08:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-25T08:59:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T09:00:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-25T09:05:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T09:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-08-25T09:10:00] living_room_window | WindowCovering.CurrentPositionLiftPercent100ths = 0
[2026-08-25T09:10:00] living_room_window_contact | BooleanState.StateValue = True
[2026-08-25T09:10:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T09:12:00] living_room_window_contact | BooleanState.StateValue = False
[2026-08-25T09:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2455
[2026-08-25T09:15:00] living_room_window | WindowCovering.CurrentPositionLiftPercent100ths = 0
[2026-08-25T09:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-25T09:24:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T09:25:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T09:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-25T09:30:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T09:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2458
[2026-08-25T09:35:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T09:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-08-25T09:41:49] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-25T09:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-25T09:49:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T09:50:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T09:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-25T09:55:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T10:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-08-25T10:00:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T10:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-25T10:09:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T10:10:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T10:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-25T10:20:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T10:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-08-25T10:25:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T10:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-08-25T10:34:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T10:35:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-25T10:40:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T10:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-25T10:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2437
[2026-08-25T10:50:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T10:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-25T10:59:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T11:00:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T11:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-25T11:05:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T11:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-08-25T11:11:49] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-25T11:18:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T11:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-25T11:24:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T11:25:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T11:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-25T11:30:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T11:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-08-25T11:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-25T11:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2429
[2026-08-25T11:53:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T11:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-25T11:59:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T12:00:03] living_room_occupancy | OccupancySensing.Occupancy = 1

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

请按以下 JSON 格式回答：

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

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

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "客厅窗户传感器（contact_sensor）与窗帘位置状态不一致，且短时间内频繁切换开合状态，疑似传感器故障或安装松动。",
  "reasoning": [
    "1. 分析关键事件时间线：在 09:10:00，日志显示 `living_room_window` (窗帘) 的 LiftPercent 为 0（通常表示完全关闭/放下），同时 `living_room_window_contact` (窗户接触传感器) 报告 StateValue = True（通常表示闭合/关闭）。",
    "2. 发现逻辑矛盾：仅 4 秒后（09:10:04），`living_room_window_contact` 立即变为 False（打开），但此时窗帘状态未变（仍为 0）。紧接着在 09:15:00，窗帘再次报告为 0，而接触传感器已处于 False 状态长达 5 分钟。",
    "3. 排除正常人为操作：如果是老人手动拉开窗户，通常会有对应的运动传感器（occupancy_sensor）在客厅的活动记录作为佐证。虽然 09:25 有客厅 occupancy 记录，但 09:10 的瞬间跳变更符合电子信号干扰或机械接触不良的特征，而非稳定的人为操作。",
    "4. 判定故障类型：接触传感器在极短时间内从 True 跳变到 False，且与执行器（窗帘）的状态不同步，表明该传感器可能存在硬件故障、电池电量低导致信号不稳定，或者磁吸触点松动脱落。"
  ],
  "key_evidence": [
    "[2026-08-25T09:10:00] living_room_window | WindowCovering.CurrentPositionLiftPercent100ths = 0",
    "[2026-08-25T09:10:00] living_room_window_contact | BooleanState.StateValue = True",
    "[2026-08-25T09:10:04] living_room_window_contact | BooleanState.StateValue = False",
    "[2026-08-25T09:15:00] living_room_window | WindowCovering.CurrentPositionLiftPercent100ths = 0"
  ],
  "recommended_actions": [
    "检查客厅窗户接触传感器的磁铁对齐情况，确认是否因震动或老化导致松动。",
    "更换接触传感器的电池，排除因电压不足导致的信号误报。",
    "若问题持续，建议重新配对或更换该接触传感器模块。"
  ]
}
```

{
  "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。"
  ]
}