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: SQ4
- 重点房间: living_room
- 重点设备: bedroom_occupancy, living_room_occupancy
- 已选事件数: 130

## 跨天活动摘要
- 2026-07-18: living_room=210, bedroom=240, kitchen=239, entrance=231, bathroom=64
- 2026-07-19: living_room=210, bedroom=242, kitchen=238, entrance=231, bathroom=60
- 2026-07-20: living_room=210, bedroom=244, kitchen=239, entrance=230, bathroom=60

## 设备事件日志
[2026-07-18T00:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T07:09:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T07:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-07-18T07:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-07-18T08:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-07-18T08:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-07-18T08:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2423
[2026-07-18T08:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2437
[2026-07-18T08:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-07-18T08:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-07-18T08:29:00] front_door_lock | DoorLock.LockState = 2
[2026-07-18T08:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-18T08:34:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T08:39:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T08:44:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T08:47:02] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T08:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-07-18T08:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-07-18T08:59:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T09:00:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T09:04:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T09:09:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T09:12:02] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T09:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-18T09:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-07-18T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-18T09:29:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T09:34:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T09:37:02] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T09:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2446
[2026-07-18T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-18T09:54:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T09:59:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T10:24:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T10:44:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T14:20:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T07:01:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T07:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-19T07:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-07-19T08:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-19T08:02:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T08:22:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T08:30:07] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T08:31:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T08:36:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T08:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-19T08:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-07-19T08:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-19T08:52:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T08:56:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T09:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T09:01:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T09:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-19T09:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-07-19T09:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-19T09:17:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T09:21:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T09:26:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T09:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-19T09:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-07-19T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-07-19T09:42:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T09:46:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T09:51:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T09:56:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T10:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-07-19T10:06:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T10:26:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T10:46:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T07:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-07-20T07:14:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-07-20T07:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-07-20T08:02:05] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T08:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-07-20T08:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-20T08:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-20T08:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-20T08:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-20T08:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-07-20T08:32:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T08:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-07-20T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-20T08:44:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T08:47:05] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T08:52:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T08:57:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T09:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-20T09:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-20T09:09:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T09:12:05] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T09:17:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T09:22:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T09:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-20T09:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-07-20T09:34:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T09:37:05] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T09:42:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T09:47:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T09:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-20T09:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-07-20T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-07-20T10:07:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T10:27:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T10:47:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T11:02:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T11:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-20T11:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-07-20T11:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-20T11:19:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T11:22:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-07-20T11:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-20T11:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-07-20T11:37:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T11:42:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T11:45:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T11:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-07-20T11:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-07-20T12:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-20T12:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T12:03:09] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-20T12:07:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T12:10:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T12:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-20T12:23:10] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T12:27:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T12:30:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T12:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2416
[2026-07-20T12:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508

## 任务
你将看到一组跨设备日志。请做综合安全分析，而不是单点判断。

请按以下 JSON 格式回答：

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

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

{
  "is_anomaly": true,
  "confidence": "medium",
  "threat_type": "health_concern",
  "threat_description": "老人连续多天活动范围缩小",
  "reasoning": [
    "推理步骤1: 活动由多房间收缩到单一区域",
    "推理步骤2: 跨天持续出现",
    "推理步骤3: 提示功能退化或健康问题"
  ],
  "key_evidence": [
    "活动由多房间收缩到单一区域",
    "跨天持续出现",
    "提示功能退化或健康问题"
  ],
  "recommended_actions": [
    "判定为老人活动范围异常缩小，建议关注健康状态。"
  ]
}

```json
{
  "is_anomaly": false,
  "confidence": "high",
  "threat_type": "none",
  "threat_description": "日志显示独居老人的日常活动模式稳定，设备运行正常，未发现安全威胁或异常行为。",
  "reasoning": [
    "入住与离开时间规律：老人通常在早上 7:00-8:30 之间起床并进入客厅/厨房，晚上无异常长时间未归记录，符合独居老人的常规作息。",
    "多房间联动逻辑正常：当入户门传感器（entrance_occupancy）检测到有人时，随后短时间内（1-5 分钟内）卧室、厨房、客厅的运动传感器均被触发，表明是同一人从玄关进入其他房间，而非尾随入侵。",
    "温度数据合理且一致：所有房间的温度传感器读数（如 living_room ~25°C, bedroom ~24°C）处于舒适且合理的范围内，数值波动符合环境温度变化规律，无传感器漂移或故障迹象。",
    "关键安全设备状态正常：入户门锁在早晨 8:29 锁定，后续无解锁尝试；烟雾报警器未报警；漏水传感器未触发。",
    "无异常静默期：在白天活跃时段内，各房间运动传感器有持续的活动报告，没有出现长达数小时的“无人但应有人”的异常静默情况。"
  ],
  "key_evidence": [
    "2026-07-18T08:29:00 入户门锁锁定 (LockState=2)，随后 08:34:06 客厅有人，时间线吻合。",
    "跨天活动摘要显示 daily counts 高度稳定（living_room=210, bedroom=240+），表明生活习惯未发生突变。",
    "温度传感器读数连续三天均在 24-26°C 区间，无极端高温或低温报警阈值触发。"
  ],
  "recommended_actions": [
    "继续保持当前监控策略，无需额外干预。",
    "建议定期检查入户门锁电池电量，确保长期可靠性。",
    "鉴于用户为独居老人，可考虑设置简单的每日健康检查提醒（非紧急警报），例如若某日全天无任何活动记录则发送通知给监护人。"
  ]
}
```


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: SQ3
- 重点房间: living_room
- 重点设备: bedroom_occupancy, living_room_occupancy
- 已选事件数: 118

## 跨天活动摘要
- 2026-08-28: living_room=211, bedroom=241, kitchen=238, entrance=231, bathroom=60
- 2026-08-29: living_room=210, bedroom=243, kitchen=239, entrance=230, bathroom=60
- 2026-08-30: living_room=207, bedroom=244, kitchen=239, entrance=231, bathroom=62

## 设备事件日志
[2026-08-28T00:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-28T07:26:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T07:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-28T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-28T08:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2428
[2026-08-28T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-08-28T08:17:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T08:21:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T08:25:07] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T08:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2437
[2026-08-28T08:31:00] front_door_lock | DoorLock.LockState = 2
[2026-08-28T08:31:14] living_room_light | OnOff.OnOff = True
[2026-08-28T08:42:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T08:46:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T08:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-28T08:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-28T08:56:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T09:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-28T09:00:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-28T09:11:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T09:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2443
[2026-08-28T09:17:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T09:21:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T09:28:46] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-28T09:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-28T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-08-28T09:41:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T09:46:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T09:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-08-28T10:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-28T10:11:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T10:21:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T10:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-28T10:36:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T00:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T07:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-08-29T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-08-29T07:54:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T08:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-29T08:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-08-29T08:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-29T08:24:07] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T08:29:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T08:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T08:32:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T08:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-29T08:37:05] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T08:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-08-29T08:49:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T08:52:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T08:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-29T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-29T09:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T09:02:05] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T09:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-29T09:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-08-29T09:17:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T09:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-08-29T09:24:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T09:27:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T09:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-29T09:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-29T09:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-29T09:47:05] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T09:52:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-29T10:09:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T10:17:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T10:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-29T10:34:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T14:07:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T07:22:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T07:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-08-30T07:57:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T08:16:09] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T08:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-30T08:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-08-30T08:29:27] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-30T08:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-30T08:39:00] front_door_lock | DoorLock.LockState = 2
[2026-08-30T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-30T08:44:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T08:47:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T08:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2449
[2026-08-30T08:54:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T08:58:09] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T09:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-08-30T09:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T09:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-30T09:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-08-30T09:19:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T09:22:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T09:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-08-30T09:29:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T09:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-08-30T09:43:09] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T09:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-08-30T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-30T09:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-30T10:04:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T10:12:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T10:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-30T10:29:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T10:37:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T10:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-30T10:54:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T11:02:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T11:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-30T11:14:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T11:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2437
[2026-08-30T11:24:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T11:29:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T11:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-08-30T11:38:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-08-30T11:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-30T11:44:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T12:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1

## 任务
请从下面 3 天的时序日志中分析住户或环境是否出现异常模式，不要只看单个事件。

请按以下 JSON 格式回答：

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

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

{
  "is_anomaly": true,
  "confidence": "medium",
  "threat_type": "health_concern",
  "threat_description": "老人连续多天活动范围缩小",
  "reasoning": [
    "推理步骤1: 活动由多房间收缩到单一区域",
    "推理步骤2: 跨天持续出现",
    "推理步骤3: 提示功能退化或健康问题"
  ],
  "key_evidence": [
    "活动由多房间收缩到单一区域",
    "跨天持续出现",
    "提示功能退化或健康问题"
  ],
  "recommended_actions": [
    "判定为老人活动范围异常缩小，建议关注健康状态。"
  ]
}

```json
{
  "is_anomaly": false,
  "confidence": "high",
  "threat_type": "none",
  "threat_description": "基于提供的日志片段，独居老人的活动模式、设备状态及环境数据均符合正常生活规律，未发现安全威胁或异常行为。",
  "reasoning": [
    "时间序列分析显示住户作息规律：每日早晨（约 07:20-08:30）卧室和玄关传感器依次触发，随后进入厨房和客厅，晚间无异常长时间滞留或突然清空房间的情况，符合独居老人日常起居习惯。",
    "门锁状态正常：日志中仅在 08:31 (8/28) 和 08:39 (8/30) 出现入户门锁解锁事件，且紧随其后的是玄关和厨房的活动记录，表明是住户本人正常进出，未检测到非法入侵或尾随迹象。",
    "环境与安全设备运行正常：温度传感器读数稳定在合理范围（约 24.3°C - 25.6°C），厨房灶具在 11:38 被手动关闭，烟雾报警器未触发报警，漏水传感器无异常报告，所有关键安全设备功能正常。",
    "跨天对比一致：三天（8/28, 8/29, 8/30）的设备事件计数和活动模式高度相似，没有突发的行为改变、设备故障或环境恶化迹象。"
  ],
  "key_evidence": [
    "每日固定的起床和出门时间窗口（07:20-08:40）内，门锁、玄关、厨房传感器按逻辑顺序激活。",
    "厨房灶具在上午 11:38 被明确记录为关闭状态，且期间无持续高温或烟雾报警信号。",
    "所有温度读数均在舒适居住范围内波动，无极端高温或低温导致的设备误报风险。"
  ],
  "recommended_actions": [
    "继续保持当前的设备监控频率，无需调整阈值。",
    "建议定期（如每月）检查老人使用的智能设备电池电量，确保长期无人值守时的可靠性。",
    "确认老人是否知晓并理解这些智能家居设备的操作方式，以便在紧急情况下能自行处理简单问题。"
  ]
}
```


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: SQ3
- 重点房间: living_room
- 重点设备: bedroom_occupancy, front_door_contact, front_door_lock
- 已选事件数: 100

## 跨天活动摘要
- 2026-08-19: living_room=210, bedroom=242, kitchen=239, entrance=232, bathroom=60
- 2026-08-20: living_room=207, bedroom=242, kitchen=239, entrance=231, bathroom=62
- 2026-08-21: living_room=208, bedroom=243, kitchen=240, entrance=230, bathroom=63

## 设备事件日志
[2026-08-19T00:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-19T07:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-08-19T07:29:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-08-19T07:49:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T07:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-08-19T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-19T08:09:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T08:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-19T08:14:07] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T08:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-19T08:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-19T08:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-19T08:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-19T08:32:00] front_door_lock | DoorLock.LockState = 2
[2026-08-19T08:32:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T08:33:09] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-19T08:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-08-19T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-19T08:42:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T08:44:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T08:47:05] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T08:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2434
[2026-08-19T08:52:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T08:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-19T09:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-19T09:00:00] front_door_contact | BooleanState.StateValue = False
[2026-08-19T09:01:00] front_door_lock | DoorLock.LockState = 2
[2026-08-19T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-19T09:07:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T09:09:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T09:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-19T09:12:05] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T09:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2455
[2026-08-19T09:17:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T09:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-19T09:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-19T09:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-08-19T09:34:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T09:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-19T09:37:05] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T09:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-08-19T09:42:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T09:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-19T09:47:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T09:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-19T09:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-19T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-19T10:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-19T10:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-19T10:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-19T10:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-19T10:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-19T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-19T20:47:09] front_door_lock | DoorLock.LockState = 1
[2026-08-20T07:01:13] front_door_lock | DoorLock.LockState = 1
[2026-08-20T20:45:11] front_door_lock | DoorLock.LockState = 1
[2026-08-21T06:55:13] front_door_lock | DoorLock.LockState = 1
[2026-08-21T07:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-08-21T07:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-21T07:35:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T08:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-08-21T08:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-21T08:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2423
[2026-08-21T08:10:10] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T08:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2429
[2026-08-21T08:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-08-21T08:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2434
[2026-08-21T08:30:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T08:32:40] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-21T08:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-21T08:36:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-21T08:40:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T08:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-21T08:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-21T08:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-08-21T08:55:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-21T09:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T09:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T09:01:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T09:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-08-21T09:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-21T09:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-21T09:15:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T09:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-08-21T09:20:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-08-21T09:25:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T09:26:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T09:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-08-21T09:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-21T09:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-21T09:40:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T09:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-08-21T09:45:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T09:50:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T10:10:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T10:30:00] bedroom_occupancy | OccupancySensing.Occupancy = 1

## 任务
以下是过去 3 天的设备活动记录。请识别其中是否存在可疑行为模式，并解释你的判断。

请按以下 JSON 格式回答：

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

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

{
  "is_anomaly": true,
  "confidence": "medium",
  "threat_type": "behavioral_anomaly",
  "threat_description": "出门频率突然下降",
  "reasoning": [
    "推理步骤1: 首日仍有出门链路",
    "推理步骤2: 后续明显缺少外出相关事件",
    "推理步骤3: 可能反映社交/功能退缩"
  ],
  "key_evidence": [
    "首日仍有出门链路",
    "后续明显缺少外出相关事件",
    "可能反映社交/功能退缩"
  ],
  "recommended_actions": [
    "标记为出门频率异常下降，建议结合老人状态持续观察。"
  ]
}

```json
{
  "is_anomaly": false,
  "confidence": "high",
  "threat_type": "none",
  "threat_description": "过去三天的设备日志显示独居老人的日常活动模式稳定，无入侵、异常行为或设备故障迹象。",
  "reasoning": [
    "入住与出门时间规律：日志显示老人通常在早上 07:29-08:14 之间起床并进入客厅/厨房，晚上 20:45-20:47 锁门离开，且连续三天（8/19, 8/20, 8/21）的时间窗口高度一致，符合独居老人的正常作息习惯。",
    "门锁状态正常：入户门锁在白天离家时正确上锁（LockState=2），晚上回家时解锁（LockState=1），并在次日早晨重新上锁，未发现未授权开锁或长时间未锁门的异常情况。",
    "传感器数据合理：温度传感器读数（如 25.12°C - 25.56°C）处于舒适且安全的范围内，无过热或漂移现象；运动传感器仅在有人活动时触发，无幽灵触发或长期无人却持续报动的情况。",
    "跨天模式一致性：三个训练片段中的事件序列和房间占用情况几乎完全相同，表明这是该住户稳定的基线行为，而非突发异常。"
  ],
  "key_evidence": [
    "连续三天门锁操作时间与开门/关门动作逻辑一致（08:32 锁门，09:00 开门，20:47 锁门）。",
    "卧室和客厅的 occupancy 变化与起床、做饭、休息等生活场景的时间轴吻合。",
    "所有温度读数均在 24°C-26°C 之间，无极端高温或低温报警阈值触发。"
  ],
  "recommended_actions": [
    "继续保持当前的监控频率，无需额外干预。",
    "建议定期（如每周）人工核对一次门锁电池电量及传感器功能，确保长期可靠性。"
  ]
}
```


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: SQ4
- 重点房间: living_room
- 重点设备: kitchen_light, kitchen_occupancy
- 已选事件数: 138

## 跨天活动摘要
- 2026-08-14: living_room=207, bedroom=242, kitchen=242, entrance=231, bathroom=62

## 设备事件日志
[2026-08-14T00:00:00] kitchen_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T00:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2272
[2026-08-14T00:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2274
[2026-08-14T00:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2275
[2026-08-14T00:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2277
[2026-08-14T00:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T00:30:00] kitchen_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T00:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2288
[2026-08-14T00:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2294
[2026-08-14T00:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2284
[2026-08-14T00:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2283
[2026-08-14T00:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2296
[2026-08-14T01:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2292
[2026-08-14T01:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T01:00:00] kitchen_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T01:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2298
[2026-08-14T01:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2308
[2026-08-14T01:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2206
[2026-08-14T01:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2297
[2026-08-14T01:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2301
[2026-08-14T01:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2209
[2026-08-14T01:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2307
[2026-08-14T01:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2295
[2026-08-14T01:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2197
[2026-08-14T01:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2299
[2026-08-14T01:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2302
[2026-08-14T01:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2202
[2026-08-14T01:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2308
[2026-08-14T01:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2304
[2026-08-14T01:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2215
[2026-08-14T01:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2302
[2026-08-14T01:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T01:30:00] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T01:30:00] kitchen_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T01:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T01:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T01:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2315
[2026-08-14T01:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2217
[2026-08-14T01:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2310
[2026-08-14T01:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2323
[2026-08-14T01:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2224
[2026-08-14T01:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2322
[2026-08-14T01:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2308
[2026-08-14T01:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2223
[2026-08-14T01:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2322
[2026-08-14T01:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2221
[2026-08-14T01:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2324
[2026-08-14T01:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2317
[2026-08-14T01:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2332
[2026-08-14T02:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2329
[2026-08-14T02:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2329
[2026-08-14T02:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T02:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T02:00:00] kitchen_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T02:00:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T02:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T02:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2332
[2026-08-14T02:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2220
[2026-08-14T02:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2333
[2026-08-14T02:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2326
[2026-08-14T02:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2225
[2026-08-14T02:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2321
[2026-08-14T02:10:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T02:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2331
[2026-08-14T02:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2239
[2026-08-14T02:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2343
[2026-08-14T02:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2235
[2026-08-14T02:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2339
[2026-08-14T02:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2337
[2026-08-14T02:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2247
[2026-08-14T02:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2343
[2026-08-14T02:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2236
[2026-08-14T02:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2338
[2026-08-14T02:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T02:30:00] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T02:30:00] kitchen_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T02:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T02:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T02:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2345
[2026-08-14T02:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2244
[2026-08-14T02:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2353
[2026-08-14T02:35:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T02:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2356
[2026-08-14T02:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2340
[2026-08-14T02:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2250
[2026-08-14T02:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2352
[2026-08-14T02:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2357
[2026-08-14T02:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2245
[2026-08-14T02:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2349
[2026-08-14T02:50:00] kitchen_light | OnOff.OnOff = True
[2026-08-14T02:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2366
[2026-08-14T02:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2266
[2026-08-14T02:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2365
[2026-08-14T03:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2364
[2026-08-14T03:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2272
[2026-08-14T03:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2369
[2026-08-14T03:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T03:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T03:00:00] kitchen_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T03:00:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T03:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T03:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2358
[2026-08-14T03:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2267
[2026-08-14T03:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2370
[2026-08-14T03:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2367
[2026-08-14T03:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2261
[2026-08-14T03:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2366
[2026-08-14T03:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2372
[2026-08-14T03:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2377
[2026-08-14T03:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2381
[2026-08-14T03:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2277
[2026-08-14T03:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2379
[2026-08-14T03:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2378
[2026-08-14T03:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2375
[2026-08-14T03:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2388
[2026-08-14T03:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T03:30:00] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T03:30:00] kitchen_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T03:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T03:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T03:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2376
[2026-08-14T03:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2287
[2026-08-14T03:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2382
[2026-08-14T03:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2377
[2026-08-14T03:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2282
[2026-08-14T03:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2385
[2026-08-14T03:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2389
[2026-08-14T03:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2283
[2026-08-14T03:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2387
[2026-08-14T03:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2399
[2026-08-14T03:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2288
[2026-08-14T03:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2400
[2026-08-14T03:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2392
[2026-08-14T04:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2403
[2026-08-14T04:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T04:00:00] kitchen_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T04:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2405
[2026-08-14T04:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2406

## 任务
请综合以下多个设备与环境状态，评估家庭整体安全状况，指出任何潜在风险。

请按以下 JSON 格式回答：

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

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

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "health_concern",
  "threat_description": "独居老人在凌晨2:10至3:00期间于厨房活动，且随后长时间无其他房间活动记录，存在夜间异常活动或潜在健康风险（如跌倒、突发疾病）。",
  "reasoning": [
    "用户画像为独居老人，该群体在深夜（02:10-03:00）出现在厨房属于非典型行为模式。",
    "日志显示 kitchen_occupancy 在 02:10 变为 1，kitchen_light 在 02:50 开启，表明老人在此时间段有明确的活动轨迹。",
    "然而，从 03:00 开始直到日志结束（04:10），所有房间的 occupancy_sensor（包括卧室、客厅、卫生间等）均持续报告 Occupancy = 0。",
    "对于独居老人而言，夜间起床后若未返回卧室休息，且在长达1小时以上的时间内没有任何生命体征迹象（无运动传感器触发），极有可能是发生了跌倒昏迷、突发疾病失去意识，或者被困在某个未安装传感器的区域（如浴室角落、厨房死角）。",
    "虽然温度数据正常，但结合“夜间活动”+“后续静默”的特征，这构成了高风险的健康安全隐患。"
  ],
  "key_evidence": [
    "[2026-08-14T02:10:00] kitchen_occupancy | OccupancySensing.Occupancy = 1 (老人深夜进入厨房)",
    "[2026-08-14T02:50:00] kitchen_light | OnOff.OnOff = True (确认有人工干预/活动)",
    "[2026-08-14T03:00:00 - 04:10:00] All rooms' occupancy sensors report 0 (活动后长时间无任何生命体征反馈)"
  ],
  "recommended_actions": [
    "立即通过智能家居系统发送紧急通知给预设的紧急联系人或社区服务中心。",
    "尝试通过智能音箱或手机呼叫老人，确认其状态。",
    "如果可能，远程查看是否有摄像头覆盖厨房或走廊，以视觉确认老人状况。",
    "建议检查家中是否安装了毫米波雷达或跌倒检测传感器，以弥补PIR运动传感器在静止状态下的盲区。"
  ]
}
```

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "fire_risk",
  "threat_description": "检测到厨房区域在无人状态下出现异常高温，且伴随灯光开启，存在严重的火灾隐患。",
  "reasoning": [
    "推理步骤 1: 时间与环境分析。日志显示时间为凌晨 02:10 至 04:10，此时独居老人通常处于睡眠状态（卧室温度稳定在 22°C 左右，符合夜间特征），所有房间的运动传感器均报告 Occupancy = 0，确认室内无人。",
    "推理步骤 2: 温度异常检测。厨房温度传感器读数从 02:10 的 23.43°C (2343 mK) 持续攀升，至 04:00 达到 24.06°C (2406 mK)。这种在无人员活动的情况下，厨房温度比客厅和卧室高出约 1.5-2°C 且持续上升的现象极不自然，暗示有热源产生。",
    "推理步骤 3: 设备行为关联。在 02:50，厨房灯光 (kitchen_light) 被意外开启 (OnOff=True)，随后温度继续升高。结合‘无人’、‘高温’、‘灯光误开’三个要素，高度疑似灶具 (cook_surface) 发生自燃或故障加热，或者发生了未察觉的烹饪事故导致火灾风险激增。"
  ],
  "key_evidence": [
    "02:10 - 04:10 期间，厨房温度持续上升，最高达 24.06°C，而同期其他房间温度平稳且较低。",
    "在此期间，所有房间（包括厨房）的运动传感器均报告无人员活动 (Occupancy = 0)。",
    "02:50 厨房灯光非预期开启，可能是火灾报警联动或设备故障导致的误动作。"
  ],
  "recommended_actions": [
    "立即远程通知住户或其紧急联系人，告知可能存在厨房火情。",
    "若系统支持，尝试远程关闭厨房电源或触发烟雾报警器/喷淋系统（需确认硬件连接）。",
    "建议物业或社区安保人员前往现场核查厨房状况。",
    "检查厨房灶具及温度传感器是否发生故障，排查是否存在线路老化或设备漏电起火隐患。"
  ]
}
```


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: SQ4
- 重点房间: living_room
- 重点设备: kitchen_cook_surface
- 已选事件数: 115

## 跨天活动摘要
- 2026-08-13: living_room=208, bedroom=242, kitchen=242, entrance=230, bathroom=63
- 2026-08-14: living_room=208, bedroom=241, kitchen=241, entrance=230, bathroom=58

## 设备事件日志
[2026-08-13T06:01:34] kitchen_cook_surface | OnOff.OnOff = True
[2026-08-13T10:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-13T10:10:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T10:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-13T10:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-13T10:40:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T10:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-13T11:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-13T11:00:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T11:04:00] kitchen_light | OnOff.OnOff = True
[2026-08-13T11:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-08-13T11:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-13T11:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2443
[2026-08-13T11:10:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T11:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-13T11:15:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T11:19:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T11:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-13T11:20:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T11:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-08-13T11:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-08-13T11:30:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T11:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-13T11:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2428
[2026-08-13T11:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-13T11:45:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T11:49:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T11:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-13T11:50:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T11:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-08-13T11:55:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T12:00:00] kitchen_cook_surface | OnOff.OnOff = True
[2026-08-13T12:02:40] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-13T12:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2425
[2026-08-13T12:05:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-08-13T12:10:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T12:14:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T12:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-13T12:15:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T12:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-08-13T12:20:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T12:25:00] living_room_light | OnOff.OnOff = False
[2026-08-13T12:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-08-13T12:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-08-13T12:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-08-13T12:39:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T12:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-08-13T12:40:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T12:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2408
[2026-08-13T12:45:06] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T12:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-08-13T12:50:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T12:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2505
[2026-08-13T13:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2397
[2026-08-13T13:04:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T13:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2500
[2026-08-13T13:10:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T13:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2489
[2026-08-13T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2491
[2026-08-13T13:40:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T13:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2472
[2026-08-13T14:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2483
[2026-08-13T17:05:30] kitchen_cook_surface | OnOff.OnOff = True
[2026-08-14T10:01:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T10:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-14T10:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-14T10:31:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-14T10:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-14T11:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-14T11:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T11:01:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T11:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-08-14T11:06:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T11:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-14T11:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-14T11:16:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T11:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-08-14T11:24:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-08-14T11:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2442
[2026-08-14T11:26:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T11:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-14T11:30:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T11:31:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T11:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2434
[2026-08-14T11:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-14T11:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-14T11:46:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T11:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-08-14T11:51:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T11:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-14T11:55:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T11:56:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T12:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-08-14T12:00:00] kitchen_cook_surface | OnOff.OnOff = True
[2026-08-14T12:04:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-08-14T12:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-08-14T12:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-14T12:11:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T12:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2426
[2026-08-14T12:16:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T12:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-08-14T12:20:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T12:21:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T12:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-08-14T12:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2417
[2026-08-14T12:32:04] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T12:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2421
[2026-08-14T12:36:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T12:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2405
[2026-08-14T12:41:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T12:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2505
[2026-08-14T12:45:04] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T12:46:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T12:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510

## 任务
你将看到一组跨设备日志。请做综合安全分析，而不是单点判断。

请按以下 JSON 格式回答：

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

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

{
  "is_anomaly": true,
  "confidence": "medium",
  "threat_type": "health_concern",
  "threat_description": "做饭时间异常短",
  "reasoning": [
    "推理步骤1: 做饭时长明显缩短",
    "推理步骤2: 跨天重复出现",
    "推理步骤3: 可能提示进食不足或功能下降"
  ],
  "key_evidence": [
    "做饭时长明显缩短",
    "跨天重复出现",
    "可能提示进食不足或功能下降"
  ],
  "recommended_actions": [
    "标记为进食相关异常，建议关注老人营养与健康状态。"
  ]
}

```json
{
  "is_anomaly": false,
  "confidence": "high",
  "threat_type": "none",
  "threat_description": "日志显示独居老人的日常活动模式正常，厨房烹饪行为受控，无火灾、入侵或设备故障迹象。",
  "reasoning": [
    "时间序列分析：所有事件发生在合理的白天时段（06:01 - 14:50），符合独居老人起床、早餐/午餐及下午活动的规律作息。",
    "烹饪行为监控：厨房灶具 (kitchen_cook_surface) 的开启与关闭逻辑清晰且有人值守。例如 2026-08-13T12:00 开启后，约 2 分半钟即关闭；17:05 开启后，次日 11:24 关闭。期间始终伴随厨房运动传感器 (kitchen_occupancy) 的活跃信号，表明有人在旁看管，排除了无人看管烹饪风险。",
    "环境安全确认：温度传感器读数稳定在合理范围（客厅约 25°C，卧室约 24°C），无异常高温或低温漂移；未检测到烟雾报警触发或漏水传感器异常上报；门窗传感器状态虽频繁变化但均对应人员进出（entrance_occupancy）记录，无非法入侵迹象。",
    "设备状态健康：所有传感器数据更新正常，无连续丢失数据包或数值跳变至无效值的情况，表明 Matter 协议下的设备通信和感知功能正常。"
  ],
  "key_evidence": [
    "厨房灶具操作严格伴随人员在场（OnOff=True 后短时间内 Occupancy=1 持续存在）。",
    "室内环境温度曲线平稳，无火灾前兆的高温突变。",
    "入户门及窗户传感器活动与玄关/走廊 occupancy 事件高度相关，符合正常出入逻辑。"
  ],
  "recommended_actions": [
    "继续保持当前设备配置，无需干预。",
    "建议定期查看独居老人日程表，确保其按时用餐和活动，以辅助健康监测。"
  ]
}
```


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: SQ4
- 重点房间: living_room
- 重点设备: bedroom_occupancy, living_room_occupancy
- 已选事件数: 128

## 跨天活动摘要
- 2026-08-12: living_room=209, bedroom=241, kitchen=239, entrance=230, bathroom=58
- 2026-08-13: living_room=209, bedroom=243, kitchen=237, entrance=230, bathroom=60
- 2026-08-14: living_room=209, bedroom=243, kitchen=239, entrance=231, bathroom=60

## 设备事件日志
[2026-08-12T00:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T07:05:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T07:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-08-12T07:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-08-12T08:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-12T08:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-08-12T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-08-12T08:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-12T08:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-08-12T08:32:04] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T08:36:00] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-08-12T08:36:15] living_room_light | OnOff.OnOff = True
[2026-08-12T08:41:07] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T08:46:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T08:50:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T08:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-12T09:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-08-12T09:00:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T09:02:04] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T09:06:07] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T09:11:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T09:15:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T09:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-12T09:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-08-12T09:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-12T09:31:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T09:36:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T09:40:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T09:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-08-12T09:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-08-12T09:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-08-12T09:56:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T10:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-12T10:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-12T10:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-12T10:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-12T10:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-12T10:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-12T15:31:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T07:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-08-13T07:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-08-13T07:34:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T08:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2424
[2026-08-13T08:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-08-13T08:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-13T08:14:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T08:32:11] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T08:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-13T08:39:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T08:45:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T08:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-13T08:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-08-13T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-13T09:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T09:04:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T09:05:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T09:10:03] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T09:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-13T09:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-08-13T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-08-13T09:29:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T09:30:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T09:35:03] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T09:40:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T09:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2446
[2026-08-13T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-13T09:54:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T09:55:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T10:14:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T10:34:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T10:54:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T15:31:11] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T07:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-08-14T07:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-08-14T07:33:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T08:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2426
[2026-08-14T08:04:55] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T08:08:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T08:28:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T08:33:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T08:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-08-14T08:40:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T08:45:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T08:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-14T08:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-08-14T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-14T09:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T09:03:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T09:05:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T09:10:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T09:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-14T09:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-08-14T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-14T09:28:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T09:33:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T09:35:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T09:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-08-14T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-08-14T09:53:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T09:58:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T10:23:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T10:43:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T11:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-14T11:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-14T11:08:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T11:11:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T11:15:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T11:20:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T11:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-14T11:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-08-14T11:31:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T11:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-14T11:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2434
[2026-08-14T11:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-08-14T11:53:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T11:56:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T12:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T12:00:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T12:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-08-14T12:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2428
[2026-08-14T12:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-08-14T12:18:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T12:21:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T12:25:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T12:30:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T12:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2419
[2026-08-14T12:40:00] living_room_light | OnOff.OnOff = False
[2026-08-14T12:40:04] bedroom_occupancy | OccupancySensing.Occupancy = 1

## 任务
你将看到一组跨设备日志。请做综合安全分析，而不是单点判断。

请按以下 JSON 格式回答：

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

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

{
  "is_anomaly": true,
  "confidence": "medium",
  "threat_type": "health_concern",
  "threat_description": "老人连续多天活动范围缩小",
  "reasoning": [
    "推理步骤1: 活动由多房间收缩到单一区域",
    "推理步骤2: 跨天持续出现",
    "推理步骤3: 提示功能退化或健康问题"
  ],
  "key_evidence": [
    "活动由多房间收缩到单一区域",
    "跨天持续出现",
    "提示功能退化或健康问题"
  ],
  "recommended_actions": [
    "判定为老人活动范围异常缩小，建议关注健康状态。"
  ]
}

```json
{
  "is_anomaly": false,
  "confidence": "high",
  "threat_type": "none",
  "threat_description": "日志显示独居老人的日常活动模式稳定，设备运行正常，未发现安全威胁或异常行为。",
  "reasoning": [
    "时间序列分析：老人起床（07:05）、洗漱（08:32 门锁操作）、早餐/厨房活动（08:41-09:58）及日间活动的时间点与过去三天高度一致，符合稳定的生活习惯。",
    " occupancy 逻辑验证：卧室和客厅的占用状态变化连贯，没有出现‘人离开后传感器仍报有人’或‘无人时突然触发报警’等逻辑冲突。",
    "环境数据合理性：温度传感器读数（如 living_room ~25°C, bedroom ~24°C）在合理范围内且随时间有自然波动，无传感器漂移或故障迹象；未检测到漏水、烟雾或火灾相关事件。",
    "设备交互正常：入户门锁在早晨被手动锁定，随后灯光和运动传感器按预期响应，表明 actuator 和 sensor 工作正常，无卡死或失效现象。"
  ],
  "key_evidence": [
    "连续三天的作息时间表（起床、出门、回家、就寝）高度重复且规律。",
    "所有温度传感器读数均在舒适居住范围内，且无突变或丢失数据的情况（除一次正常的 None 报告外）。",
    "门锁操作记录显示正常的进出流程，无非法入侵尝试或锁具故障。"
  ],
  "recommended_actions": [
    "继续保持当前的监控频率，无需额外干预。",
    "建议定期检查电池供电的传感器（如烟雾报警器），确保长期可靠性。"
  ]
}
```


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: SQ3
- 重点房间: living_room
- 重点设备: bedroom_occupancy, front_door_contact, front_door_lock
- 已选事件数: 104

## 跨天活动摘要
- 2026-07-31: living_room=209, bedroom=242, kitchen=237, entrance=232, bathroom=60
- 2026-08-01: living_room=209, bedroom=241, kitchen=239, entrance=231, bathroom=60
- 2026-08-02: living_room=209, bedroom=242, kitchen=238, entrance=230, bathroom=61

## 设备事件日志
[2026-07-31T00:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-31T07:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-07-31T07:29:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-07-31T07:49:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T07:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-31T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-31T08:09:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T08:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-31T08:12:11] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T08:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2442
[2026-07-31T08:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2437
[2026-07-31T08:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-07-31T08:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2428
[2026-07-31T08:30:03] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T08:35:00] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-07-31T08:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2429
[2026-07-31T08:35:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T08:35:06] living_room_light | OnOff.OnOff = True
[2026-07-31T08:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-07-31T08:44:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T08:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-31T08:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-07-31T08:50:03] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T08:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-31T08:55:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T09:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-31T09:00:00] front_door_contact | BooleanState.StateValue = False
[2026-07-31T09:00:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T09:01:00] front_door_lock | DoorLock.LockState = 2
[2026-07-31T09:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2446
[2026-07-31T09:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-31T09:10:46] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-31T09:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2437
[2026-07-31T09:15:03] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T09:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-31T09:20:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T09:24:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T09:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-31T09:25:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T09:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-07-31T09:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-07-31T09:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-31T09:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2559
[2026-07-31T09:45:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T09:49:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T09:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-31T09:50:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T10:05:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T10:25:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T20:41:14] front_door_lock | DoorLock.LockState = 1
[2026-08-01T06:52:17] front_door_lock | DoorLock.LockState = 1
[2026-08-01T20:45:11] front_door_lock | DoorLock.LockState = 1
[2026-08-02T07:06:06] front_door_lock | DoorLock.LockState = 1
[2026-08-02T07:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-08-02T07:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T07:35:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T07:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-08-02T08:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-02T08:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-02T08:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2423
[2026-08-02T08:10:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-08-02T08:15:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T08:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-02T08:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-02T08:27:00] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-08-02T08:27:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T08:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-02T08:32:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T08:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-02T08:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-08-02T08:40:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T08:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-02T08:47:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T08:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2449
[2026-08-02T08:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-02T08:55:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T08:57:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T09:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-02T09:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T09:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2437
[2026-08-02T09:05:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T09:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-02T09:12:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T09:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-08-02T09:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-02T09:20:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T09:22:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T09:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-02T09:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2455
[2026-08-02T09:30:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T09:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-08-02T09:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-02T09:41:08] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-02T09:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-02T09:45:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T09:47:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-02T09:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-02T09:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-02T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-02T10:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-02T10:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-02T10:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557

## 任务
以下是过去 3 天的设备活动记录。请识别其中是否存在可疑行为模式，并解释你的判断。

请按以下 JSON 格式回答：

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

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

{
  "is_anomaly": true,
  "confidence": "medium",
  "threat_type": "behavioral_anomaly",
  "threat_description": "出门频率突然下降",
  "reasoning": [
    "推理步骤1: 首日仍有出门链路",
    "推理步骤2: 后续明显缺少外出相关事件",
    "推理步骤3: 可能反映社交/功能退缩"
  ],
  "key_evidence": [
    "首日仍有出门链路",
    "后续明显缺少外出相关事件",
    "可能反映社交/功能退缩"
  ],
  "recommended_actions": [
    "标记为出门频率异常下降，建议结合老人状态持续观察。"
  ]
}

```json
{
  "is_anomaly": false,
  "confidence": "high",
  "threat_type": "none",
  "threat_description": "日志显示独居老人的日常活动模式正常，无入侵、异常操作或设备故障迹象。",
  "reasoning": [
    "时间线分析：日志记录了从清晨 (07:29) 起床到上午 (10:30) 的完整活动流程。老人先在卧室醒来，随后进入厨房和客厅活动，最后出门（前门接触传感器变为 False），并在后续时间点有明确的开门/关门操作记录，符合正常的晨间作息。",
    "门锁状态验证：虽然日志中出现了 `front_door_contact` 变为 False（门被打开）的事件，但紧接着在 09:01 和 08:27 等时间点均记录了 `LockOperation` 事件且来源为 `Manual`（手动），表明是住户本人主动操作门锁开关，而非非法闯入后的强行开启或锁具故障。",
    "环境数据合理性：温度传感器读数（如 25.12°C - 25.59°C）处于舒适且合理的家庭居住范围内，未出现烟雾报警器触发或漏水传感器报警等危险信号。各房间 occupancy 传感器的变化逻辑连贯，未发现长时间无人却持续加热或异常聚集的情况。"
  ],
  "key_evidence": [
    "所有 `front_door_lock` 的 `LockOperation` 事件均标记为 `OperationSource=Manual`，证实为住户自主行为。",
    "温度传感器数值稳定在 25°C 左右，无任何火灾或过热风险指标。",
    "活动轨迹呈现清晰的“卧室->厨房/客厅->出门”顺序，符合独居老人早晨准备外出的常规习惯。"
  ],
  "recommended_actions": [
    "继续保持当前监控策略，无需立即干预。",
    "建议定期查看系统日志，确保 `front_door_contact` 与 `front_door_lock` 的状态同步性，防止未来出现传感器漂移导致的误报。"
  ]
}
```