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

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

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

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

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

Chosen response:
```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "客厅温度传感器读数异常偏高且数值格式疑似错误（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。"
  ]
}
```

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


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

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

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

## 家庭环境信息
家庭布局: 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。

Chosen response:
{
  "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。"
  ]
}

Rejected response:
{
  "is_anomaly": true,
  "confidence": "low",
  "threat_type": "intrusion",
  "threat_description": "存在异常，但原因更可能属于其他类别。",
  "reasoning": [
    "推理步骤1: 日志里有异常，但我把它归因为另一类威胁。"
  ],
  "key_evidence": [
    "同一时刻 OnOff=False 但亮度非零"
  ],
  "recommended_actions": [
    "建议按该错误类别处理。"
  ]
}


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

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

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

## 家庭环境信息
家庭布局: 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。

Chosen response:
```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。"
  ]
}
```

Rejected response:
{
  "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。"
  ]
}


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

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

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

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

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

Chosen response:
{
  "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。"
  ]
}

Rejected response:
```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）。"
  ]
}
```


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

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

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

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

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

Chosen response:
```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "客厅温度传感器读数异常偏高且单位疑似错误（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。"
  ]
}
```

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


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

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

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

## 家庭环境信息
家庭布局: 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。

Chosen response:
```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。"
  ]
}
```

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


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

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

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

## 家庭环境信息
家庭布局: 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。

Chosen response:
```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。"
  ]
}
```

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