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: kitchen_occupancy, living_room_occupancy
- 已选事件数: 126

## 跨天活动摘要
- 2026-08-19: living_room=210, bedroom=242, kitchen=240, entrance=231, bathroom=60
- 2026-08-20: living_room=210, bedroom=242, kitchen=239, entrance=231, bathroom=60
- 2026-08-21: living_room=210, bedroom=240, kitchen=238, entrance=230, bathroom=60

## 设备事件日志
[2026-08-19T00:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-19T07:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-08-19T07:31:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T07:51:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-19T08:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-19T08:13:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T08:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-19T08:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-19T08:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-19T08:29:00] front_door_lock | DoorLock.LockState = 2
[2026-08-19T08:29:17] living_room_light | OnOff.OnOff = True
[2026-08-19T08:31:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T08:34:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-19T08:43:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T08:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-08-19T08:49:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T08:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-19T08:54:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T08:56:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-19T09:00:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T09:02:03] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-19T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-19T09:08:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T09:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-08-19T09:14:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T09:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-19T09:19:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T09:21:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-19T09:28:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T09:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-08-19T09:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-08-19T09:39:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T09:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-08-19T09:44:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T09:46:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-19T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-19T10:06:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T10:14:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T10:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-19T10:26:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T10:34:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-19T23:52:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T07:49:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T08:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-20T08:23:12] living_room_light | OnOff.OnOff = True
[2026-08-20T08:29:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T08:30:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T08:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-20T08:35:27] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-20T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-20T08:43:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T08:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-08-20T08:48:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T08:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-20T08:54:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T08:55:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-20T09:03:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T09:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-08-20T09:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-08-20T09:13:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T09:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-08-20T09:19:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T09:20:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T09:20:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-08-20T09:28:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T09:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2455
[2026-08-20T09:33:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T09:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-20T09:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-08-20T09:44:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T09:45:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-20T09:53:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T09:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-08-20T09:58:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T10:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-20T10:04:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T10:05:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T10:18:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T10:24:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T10:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-08-20T10:38:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T10:44:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T10:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-20T10:58:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T15:22:13] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T07:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-21T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-08-21T07:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-21T08:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-08-21T08:07:07] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T08:21:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T08:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-08-21T08:29:13] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T08:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-21T08:35:00] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-08-21T08:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-21T08:35:13] living_room_light | OnOff.OnOff = True
[2026-08-21T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-21T08:40:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T08:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-08-21T08:46:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T08:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-21T08:52:07] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T08:55:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-21T09:00:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T09:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-08-21T09:06:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T09:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-08-21T09:10:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T09:17:07] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T09:20:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-08-21T09:25:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T09:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2446
[2026-08-21T09:31:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T09:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551

## 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。

```json
{
  "is_anomaly": false,
  "confidence": "high",
  "threat_type": "none",
  "threat_description": "未检测到安全威胁或异常情况，设备日志显示独居老人的日常活动模式稳定且符合预期。",
  "reasoning": [
    "1. 活动规律性分析：对比2026-08-19至2026-08-21的跨天摘要数据，各房间的活动计数（如living_room=210, bedroom=242等）保持高度一致，表明住户的生活作息非常规律，无突发的长时间静止（可能暗示跌倒或昏迷）或异常活跃迹象。",
    "2. 关键时间窗行为验证：在早晨7:30-9:30的关键起床/活动时段，日志显示厨房(kitchen)、卧室(bedroom)和入口(entrance)均有正常的占用信号(Occupancy=1)，随后客厅(living_room)也出现占用信号。这符合老人起床后在卫生间、厨房准备早餐，最后进入客厅休息的正常动线。",
    "3. 安全设备状态检查：日志中未出现烟雾报警器(smoke_co_alarm)触发、漏水传感器(water_leak_detector)报警或灶具(cook_surface)长时间开启无人看管的记录。门锁(lock)仅在8月21日早晨有一次手动开锁记录，结合随后的玄关占用信号，判断为正常外出或取物行为，非非法入侵。",
    "4. 传感器数据合理性：温度读数在合理范围内波动（约24-25°C），无剧烈跳变或传感器卡死（stuck）的迹象；占用传感器信号随时间自然变化，无逻辑冲突。"
  ],
  "key_evidence": [
    "连续三天各房间活动计数高度一致 (e.g., living_room始终为210)",
    "早晨时段厨房、卧室、入口均有正常的占用信号序列，符合起床动线",
    "无烟雾、漏水或异常门锁操作警报",
    "温度传感器读数稳定，无异常漂移"
  ],
  "recommended_actions": [
    "继续保持当前监控策略，无需干预",
    "建议定期校准温度传感器以确保长期数据准确性"
  ]
}
```

{
  "is_anomaly": true,
  "confidence": "medium",
  "threat_type": "intrusion",
  "threat_description": "这些变化表明存在安全异常。",
  "reasoning": [
    "推理步骤1: 我把本可由正常模式解释的事件误判成了异常。"
  ],
  "key_evidence": [
    "正常样本仍保持多房间活动；异常样本逐渐收缩到卧室附近。"
  ],
  "recommended_actions": [
    "建议立即检查并触发安全响应。"
  ]
}


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: kitchen_occupancy, living_room_occupancy
- 已选事件数: 118

## 跨天活动摘要
- 2026-08-15: living_room=211, bedroom=242, kitchen=238, entrance=231, bathroom=60
- 2026-08-16: living_room=209, bedroom=240, kitchen=239, entrance=230, bathroom=60
- 2026-08-17: living_room=210, bedroom=241, kitchen=238, entrance=230, bathroom=61

## 设备事件日志
[2026-08-15T00:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T07:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-08-15T07:34:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T07:54:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T08:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-08-15T08:13:11] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T08:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-15T08:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-08-15T08:23:00] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-08-15T08:23:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T08:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-08-15T08:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-15T08:34:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T08:35:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T08:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-15T08:48:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T08:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-08-15T08:53:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T08:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-15T08:59:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T09:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T09:00:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-15T09:05:27] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T09:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-15T09:13:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T09:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2443
[2026-08-15T09:18:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T09:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-15T09:24:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T09:25:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T09:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-15T09:33:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T09:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2449
[2026-08-15T09:43:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T09:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-15T09:49:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T09:50:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T10:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-08-15T10:18:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T10:24:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T10:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-08-15T10:38:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T15:22:13] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T07:42:07] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T08:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-08-16T08:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-16T08:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-16T08:31:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T08:35:00] front_door_lock | DoorLock.LockState = 2
[2026-08-16T08:35:02] front_door_contact | BooleanState.StateValue = False
[2026-08-16T08:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-08-16T08:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-16T08:47:07] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T08:50:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T08:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-16T08:55:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T09:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-08-16T09:01:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T09:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-16T09:07:07] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T09:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-16T09:15:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T09:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-16T09:20:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T09:20:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T09:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-08-16T09:26:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T09:32:07] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T09:35:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T09:38:35] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T09:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-16T09:45:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T09:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2446
[2026-08-16T09:51:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T09:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-16T09:57:07] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T10:00:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T10:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-16T10:05:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T10:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-08-16T10:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-16T10:25:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T10:32:07] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-16T10:45:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T10:52:07] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T23:48:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T07:33:09] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T07:53:09] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T08:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-17T08:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-17T08:22:06] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T08:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-17T08:30:00] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-08-17T08:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-08-17T08:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-17T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-17T08:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-08-17T08:46:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T08:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-17T08:53:09] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T08:55:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T09:00:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T09:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-08-17T09:06:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T09:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2446
[2026-08-17T09:10:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T09:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-17T09:18:09] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T09:20:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-17T09:25:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T09:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-08-17T09:31:00] 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。

```json
{
  "is_anomaly": false,
  "confidence": "high",
  "threat_type": "none",
  "threat_description": "未检测到安全威胁或异常情况，设备日志显示独居老人的日常活动模式稳定且符合预期。",
  "reasoning": [
    "1. 活动模式一致性分析：对比2026-08-15至08-17三天的日志，老人在早晨（约07:30-09:00）起床、使用厨房和客厅的活动时间窗口高度一致。例如，厨房 occupancy 传感器均在07:30-07:45左右首次触发，随后在08:00-09:00期间持续有活动记录，符合老年人晨间洗漱、准备早餐的习惯。",
    "2. 门锁与出入安全：日志中仅在08:23 (Day 1) 和 08:30 (Day 3) 记录了入户门的 Manual Lock 操作，且伴随 entrance_occupancy 传感器的激活，表明是老人正常出门并反锁房门。Day 2 虽无手动上锁记录，但 DoorLock.LockState = 2 (Locked) 且 contact_sensor 为 False (Closed)，结合无异常入侵报警，视为正常状态维持。未发现非授权时段的开锁或闯入迹象。",
    "3. 健康与安全指标正常：所有温度传感器读数在合理范围内（24°C-25°C左右），无极端高温提示火灾风险。烟雾报警器（smoke_co_alarm）在整个日志片段中未触发任何警报事件。厨房灶具（cook_surface）虽有 occupancy 关联，但未出现长时间无人看管导致的超时未关闭报警（通常需结合灶具状态位，此处仅体现有人活动，且后续有离开记录）。",
    "4. 传感器状态正常：Occupancy 传感器在人员离开后（如08:00 living_room 变为 0）能正确归零，并在人员返回后再次激活，无传感器卡死（stuck）或漂移（drift）迹象。Bathroom 传感器短暂触发后归零，符合如厕习惯。"
  ],
  "key_evidence": [
    "连续三天早晨 07:30-09:00 期间 kitchen_occupancy 和 living_room_occupancy 的规律性活跃，显示生活作息稳定。",
    "入户门仅在早晨特定时段进行 Manual Lock 操作，且与玄关运动传感器联动，符合正常外出行为。",
    "全天无 smoke_co_alarm 触发记录，温度数据平稳，排除火灾和一氧化碳风险。",
    "各房间 Occupancy 传感器状态变化逻辑清晰（有人=1，无人=0），无异常持续高电平或低电平故障。"
  ],
  "recommended_actions": [
    "继续保持当前监控策略，无需干预。",
    "建议定期校准温度传感器以确保读数长期准确性，尽管目前数据正常。"
  ]
}
```

{
  "is_anomaly": true,
  "confidence": "medium",
  "threat_type": "intrusion",
  "threat_description": "这些变化表明存在安全异常。",
  "reasoning": [
    "推理步骤1: 我把本可由正常模式解释的事件误判成了异常。"
  ],
  "key_evidence": [
    "正常样本仍保持多房间活动；异常样本逐渐收缩到卧室附近。"
  ],
  "recommended_actions": [
    "建议立即检查并触发安全响应。"
  ]
}


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: kitchen_light
- 已选事件数: 114

## 跨天活动摘要
- 2026-08-16: living_room=209, bedroom=240, kitchen=239, entrance=230, bathroom=60
- 2026-08-17: living_room=209, bedroom=241, kitchen=239, entrance=230, bathroom=61
- 2026-08-18: living_room=209, bedroom=241, kitchen=240, entrance=231, bathroom=62

## 设备事件日志
[2026-08-16T06:07:07] kitchen_light | OnOff.OnOff = True
[2026-08-16T10:30:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T10:50:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T11:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-16T11:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-16T11:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-16T11:16:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T11:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-16T11:21:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-08-16T11:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-16T11:30:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T11:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-16T11:35:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T11:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-16T11:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-08-16T11:45:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T11:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-16T11:51:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T11:55:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T12:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-08-16T12:00:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T12:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2424
[2026-08-16T12:05:00] kitchen_light | OnOff.OnOff = True
[2026-08-16T12:05:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T12:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-08-16T12:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-08-16T12:16:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T12:20:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T12:22:00] living_room_light | OnOff.OnOff = False
[2026-08-16T12:25:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T12:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-08-16T12:38:35] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T12:40:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T12:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-08-16T12:45:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T12:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2415
[2026-08-16T12:50:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T12:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-08-16T13:10:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T13:30:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T10:55:00] kitchen_light | OnOff.OnOff = True
[2026-08-17T11:00:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T11:20:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T11:40:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T11:45:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T11:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-08-17T11:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2425
[2026-08-17T11:55:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T12:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-17T12:01:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T12:05:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T12:09:19] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T12:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-08-17T12:15:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T12:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2428
[2026-08-17T12:20:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T12:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-08-17T12:26:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T12:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-08-17T12:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-08-17T12:35:00] kitchen_light | OnOff.OnOff = True
[2026-08-17T12:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-08-17T12:45:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T12:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-08-17T12:50:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T12:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2417
[2026-08-17T12:55:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T13:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-08-17T13:00:09] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T13:05:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T13:09:19] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T13:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-08-17T13:15:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T13:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2398
[2026-08-17T13:20:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T13:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2489
[2026-08-17T13:40:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T14:00:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T14:08:17] living_room_light | OnOff.OnOff = True
[2026-08-18T06:00:10] kitchen_light | OnOff.OnOff = True
[2026-08-18T10:42:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T11:02:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T11:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-18T11:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-18T11:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-18T11:27:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T11:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-08-18T11:31:16] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T11:37:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T11:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-18T11:45:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T11:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-08-18T11:51:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T11:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-08-18T11:57:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T12:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-18T12:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-18T12:07:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T12:10:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T12:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-08-18T12:15:00] kitchen_light | OnOff.OnOff = True
[2026-08-18T12:16:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T12:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2423
[2026-08-18T12:22:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T12:24:16] bedroom_window | WindowCovering.CurrentPositionLiftPercent100ths = 10000
[2026-08-18T12:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-08-18T12:31:16] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T12:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-08-18T12:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2406
[2026-08-18T12:42:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T12:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-08-18T12:49:06] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T12:50:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T12:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504

## 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。

```json
{
  "is_anomaly": false,
  "confidence": "high",
  "threat_type": "none",
  "threat_description": "未检测到安全威胁或异常情况，设备日志显示住户活动规律，环境参数正常。",
  "reasoning": [
    "1. 活动模式分析：日志显示住户在每天上午10:30至下午14:00左右活跃于客厅、厨房和卧室，符合独居老人白天的日常作息（如做饭、休息、看电视）。入户门传感器仅在特定时间点短暂触发（如11:35, 12:00等），且伴随玄关灯亮起，推测为正常的进出或检查门窗行为，无异常频繁开启迹象。",
    "2. 烹饪安全分析：重点关注的 kitchen_light 在三天内分别在 06:07, 12:05, 10:55, 12:15 等时间开启，且 kitchen_occupancy 传感器同步检测到有人存在。这表明厨房灯光的开启与人员活动一致，未发现无人看管但灶具/灯光长时间开启的“unattended_cooking”风险。",
    "3. 传感器状态分析：温度传感器读数在合理范围内波动（客厅约25°C，卧室约24°C），数值变化平滑，无突变或固定值死锁现象，排除 sensor_stuck 或 sensor_malfunction。运动传感器在人员离开卫生间后及时归零（如12:38, 12:09, 11:31），响应正常，无滞留误报。",
    "4. 健康与安全：未发现烟雾报警器触发、漏水传感器报警或门锁故障记录。住户活动范围覆盖主要生活区域，无长时间静止不动导致的 possible_fall 或 abnormal_inactivity 警报。"
  ],
  "key_evidence": [
    "kitchen_light 开启时间与 kitchen_occupancy 检测到的活动时间高度重合，表明有人在厨房活动。",
    "bathroom_occupancy 在人员离开后迅速变为 0 (例如 12:38:35)，证明传感器工作正常，无卡滞。",
    "temperature_sensor 读数随时间自然波动，无异常恒定值或极端跳变。",
    "entrance_occupancy 和 door_lock 相关事件稀疏且符合日常逻辑，无暴力破解或异常频繁开启迹象。"
  ],
  "recommended_actions": [
    "继续保持当前监控策略，无需干预。",
    "建议定期校准温度传感器以确保长期数据准确性，尽管目前表现正常。"
  ]
}
```

{
  "is_anomaly": true,
  "confidence": "medium",
  "threat_type": "intrusion",
  "threat_description": "这些变化表明存在安全异常。",
  "reasoning": [
    "推理步骤1: 我把本可由正常模式解释的事件误判成了异常。"
  ],
  "key_evidence": [
    "正常样本午餐时间有小幅波动；异常样本跨天明显后移。"
  ],
  "recommended_actions": [
    "建议立即检查并触发安全响应。"
  ]
}


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: kitchen_cook_surface
- 已选事件数: 103

## 跨天活动摘要
- 2026-08-26: living_room=209, bedroom=241, kitchen=240, entrance=230, bathroom=61
- 2026-08-27: living_room=209, bedroom=241, kitchen=241, entrance=231, bathroom=62

## 设备事件日志
[2026-08-26T06:08:39] kitchen_cook_surface | OnOff.OnOff = True
[2026-08-26T10:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-26T10:30:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T10:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-26T11:05:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T11:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-26T11:10:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T11:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-08-26T11:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-26T11:20:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T11:21:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T11:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-26T11:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2437
[2026-08-26T11:30:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T11:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-26T11:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-08-26T11:40:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T11:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-08-26T11:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-08-26T11:50:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T11:51:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T11:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-26T12:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2420
[2026-08-26T12:00:00] kitchen_cook_surface | OnOff.OnOff = True
[2026-08-26T12:00:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T12:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-08-26T12:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-08-26T12:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-08-26T12:15:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T12:16:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T12:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-08-26T12:20:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T12:22:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-08-26T12:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2421
[2026-08-26T12:25:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T12:30:00] living_room_light | OnOff.OnOff = False
[2026-08-26T12:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-08-26T12:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-08-26T12:35:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T12:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2416
[2026-08-26T12:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-08-26T12:45:09] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T12:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-08-26T12:50:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T12:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2417
[2026-08-26T12:55:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T13:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2499
[2026-08-26T13:00:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T13:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2499
[2026-08-26T13:10:09] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T13:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2505
[2026-08-26T13:25:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2491
[2026-08-26T13:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2481
[2026-08-26T13:55:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T16:51:30] kitchen_cook_surface | OnOff.OnOff = True
[2026-08-27T10:27:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T10:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-08-27T10:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-27T10:57:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T11:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-27T11:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-27T11:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2446
[2026-08-27T11:16:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T11:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-27T11:20:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T11:22:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T11:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-27T11:27:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T11:29:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-08-27T11:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-27T11:31:16] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-27T11:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-27T11:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-27T11:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2425
[2026-08-27T11:46:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T11:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-08-27T11:50:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T11:52:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T11:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-27T11:57:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T12:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2420
[2026-08-27T12:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-27T12:05:00] kitchen_cook_surface | OnOff.OnOff = True
[2026-08-27T12:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-08-27T12:11:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T12:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-08-27T12:15:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T12:17:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T12:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-08-27T12:22:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T12:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-08-27T12:28:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-08-27T12:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-08-27T12:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2423
[2026-08-27T12:40:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T12:44:06] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T12:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-08-27T12:47:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T12:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2403
[2026-08-27T12:52:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-27T12:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-08-27T13:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513

## 任务
以下是过去 2 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": false,
  "confidence": "medium",
  "threat_type": "none",
  "threat_description": "当前日志更符合正常模式，不建议报警。",
  "reasoning": [
    "推理步骤1: 正常样本做饭持续 20 分钟左右；异常样本连续两天都只持续约 5 分钟。"
  ],
  "key_evidence": [
    "正常样本做饭持续 20 分钟左右；异常样本连续两天都只持续约 5 分钟。"
  ],
  "recommended_actions": [
    "继续监测，无需立即处置。"
  ]
}

{
  "is_anomaly": true,
  "confidence": "medium",
  "threat_type": "intrusion",
  "threat_description": "这些变化表明存在安全异常。",
  "reasoning": [
    "推理步骤1: 我把本可由正常模式解释的事件误判成了异常。"
  ],
  "key_evidence": [
    "正常样本做饭持续 20 分钟左右；异常样本连续两天都只持续约 5 分钟。"
  ],
  "recommended_actions": [
    "建议立即检查并触发安全响应。"
  ]
}


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: kitchen_light
- 已选事件数: 115

## 跨天活动摘要
- 2026-07-11: living_room=209, bedroom=241, kitchen=240, entrance=231, bathroom=62
- 2026-07-12: living_room=209, bedroom=243, kitchen=241, entrance=231, bathroom=57
- 2026-07-13: living_room=209, bedroom=241, kitchen=239, entrance=229, bathroom=92

## 设备事件日志
[2026-07-11T06:00:10] kitchen_light | OnOff.OnOff = True
[2026-07-11T10:32:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T10:52:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T11:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-11T11:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-11T11:17:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T11:20:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T11:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-11T11:26:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T11:29:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-07-11T11:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-11T11:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2425
[2026-07-11T11:47:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T11:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-11T11:52:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T11:55:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T12:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-07-11T12:01:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T12:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-11T12:05:00] kitchen_light | OnOff.OnOff = True
[2026-07-11T12:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-07-11T12:12:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T12:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-07-11T12:17:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T12:20:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T12:24:00] living_room_light | OnOff.OnOff = False
[2026-07-11T12:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-07-11T12:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-07-11T12:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-07-11T12:39:06] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T12:40:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T12:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-07-11T12:47:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T12:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2403
[2026-07-11T12:52:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T12:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-07-11T13:12:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T13:32:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-12T10:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-12T11:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-12T11:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-12T11:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-07-12T11:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-12T11:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-07-12T11:45:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-12T11:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-07-12T11:50:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-12T11:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-07-12T11:55:13] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-12T12:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-07-12T12:02:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-12T12:05:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-12T12:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-07-12T12:10:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-12T12:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2425
[2026-07-12T12:15:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-12T12:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-07-12T12:22:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-12T12:25:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-12T12:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-07-12T12:30:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-12T12:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2410
[2026-07-12T12:35:00] kitchen_light | OnOff.OnOff = True
[2026-07-12T12:35:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-12T12:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-07-12T12:43:07] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-12T12:45:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-12T12:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2502
[2026-07-12T12:50:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-12T12:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2404
[2026-07-12T12:55:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-12T13:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2411
[2026-07-12T13:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-07-12T13:08:07] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-12T13:10:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-12T13:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-07-12T13:15:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-12T13:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2389
[2026-07-12T13:20:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-12T13:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2491
[2026-07-12T13:40:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-12T14:00:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-12T14:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2465
[2026-07-13T10:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-13T10:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-13T10:54:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T11:14:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T11:27:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T11:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-13T11:33:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T11:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2442
[2026-07-13T11:39:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-07-13T11:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-07-13T11:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-07-13T11:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2428
[2026-07-13T11:54:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T11:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-07-13T11:59:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T12:02:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T12:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-07-13T12:08:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T12:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2425
[2026-07-13T12:15:00] kitchen_light | OnOff.OnOff = True
[2026-07-13T12:19:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T12:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-07-13T12:24:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T12:26:00] living_room_light | OnOff.OnOff = False
[2026-07-13T12:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-07-13T12:36:09] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T12:39:57] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T12:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-07-13T12:47:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T12:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2418
[2026-07-13T12:54:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T12:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516

## 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。

```json
{
  "is_anomaly": false,
  "confidence": "high",
  "threat_type": "none",
  "threat_description": "未检测到安全威胁或异常行为，设备日志显示独居老人的日常活动规律且正常。",
  "reasoning": [
    "1. 活动模式分析：日志显示老人在每天上午10:30至下午14:00左右处于活跃状态（客厅、厨房、卧室均有运动传感器触发），符合独居老人白天起床、活动、做饭的常规作息。没有发现长时间无活动的“abnormal_inactivity”迹象，也没有深夜异常活动的记录。",
    "2. 烹饪安全检查：虽然重点设备是厨房灯，但日志中包含了关键的安全设备数据。在7月13日11:39，厨房灶具(cook_surface)关闭，随后厨房温度传感器读数从None恢复并稳定在2516-2525之间（约25.2°C），表明烹饪结束后环境迅速冷却，未发现持续高温导致的“unattended_cooking”或火灾风险。",
    "3. 传感器状态评估：所有温度传感器读数均在合理范围内（23.8°C - 25.5°C），且变化趋势平缓，符合室内环境温度随时间变化的自然规律，排除了“sensor_drift”或“sensor_malfunction”。运动传感器频繁触发且与人员位置逻辑一致，未发现“sensor_stuck”现象。",
    "4. 入侵检测：入户门传感器和玄关运动传感器仅在特定时间点短暂触发（如11:47, 12:12等），且伴随其他房间的活动，推测为老人进出或访客短暂停留，未见门锁异常开启或长时间未关门的迹象，排除“intrusion”。"
  ],
  "key_evidence": [
    "7月11-13日，每日10:30-14:00期间，living_room_occupancy, kitchen_occupancy, bedroom_occupancy 均有规律性触发，显示老人活动正常。",
    "7月13日11:39 kitchen_cook_surface 关闭，且后续 kitchen_temp_sensor 读数恢复正常范围，证明烹饪行为已安全结束。",
    "所有 temperature_sensor 读数在 23.8°C 至 25.5°C 之间波动，无极端值或突变，传感器工作正常。"
  ],
  "recommended_actions": [
    "继续保持当前的监控策略，无需干预。",
    "建议定期校准温度传感器以确保长期数据准确性，尽管当前数据看起来正常。"
  ]
}
```

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "厨房温度传感器在灶具关闭后持续报告异常高值（约 250°C+），且伴随数据丢失，极可能为传感器故障导致误报火灾风险。",
  "reasoning": [
    "推理步骤 1: 日志显示在 2026-07-13T11:39:00 厨房灶具 (cook_surface) 被设置为关闭 (False)，随后在 11:40:00 厨房温度传感器读数变为 None，但在 11:55:00 及之后又恢复并持续报告 251°C - 252°C 的极高温度。",
    "推理步骤 2: 正常烹饪结束后，厨房环境温度应在 20°C - 30°C 之间。即使灶具刚关闭，温度也不可能在几分钟内维持在 250°C 以上，这远超物理常识和火灾报警阈值。",
    "推理步骤 3: 结合独居老人家庭背景，若系统将此误报视为真实高温，可能会触发不必要的紧急疏散或消防联动；反之，若传感器完全失效（如一直报 None），则存在真正的火灾隐患未被监测。当前‘先消失后持续高位’的模式强烈指向硬件故障或校准漂移。"
  ],
  "key_evidence": [
    "2026-07-13T11:39:00 灶具关闭事件与随后的高温读数无逻辑关联。",
    "2026-07-13T11:55:00 至 12:55:00 期间，厨房温度传感器连续报告 >250°C 的数值。",
    "同一时间段内，卧室和客厅温度传感器读数正常（约 24°C - 25°C），排除了全屋过热环境的可能性。"
  ],
  "recommended_actions": [
    "立即派遣技术人员上门检查厨房温度传感器及烟雾报警器，确认是否为硬件损坏或需要更换电池/校准。",
    "在维修完成前，建议人工定期巡检厨房区域，确保无明火或燃气泄漏隐患。",
    "暂时禁用基于该传感器的自动火灾报警联动功能，防止误报造成恐慌或错误响应。"
  ]
}
```


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: front_door_contact
- 已选事件数: 122

## 跨天活动摘要
- 2026-08-28: living_room=209, bedroom=243, kitchen=240, entrance=232, bathroom=57
- 2026-08-29: living_room=209, bedroom=241, kitchen=238, entrance=230, bathroom=92
- 2026-08-30: living_room=210, bedroom=242, kitchen=239, entrance=231, bathroom=64

## 设备事件日志
[2026-08-28T06:51:04] front_door_contact | BooleanState.StateValue = False
[2026-08-28T07:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-28T07:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-08-28T08:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-28T08:11:05] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T08:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-08-28T08:19:09] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T08:25:00] front_door_lock | DoorLock.LockState = 2
[2026-08-28T08:25:02] front_door_contact | BooleanState.StateValue = False
[2026-08-28T08:25:16] living_room_light | OnOff.OnOff = True
[2026-08-28T08:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-08-28T08:32:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T08:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-28T08:39:09] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T08:40:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T08:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-28T08:45:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T08:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-08-28T08:52:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T08:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-28T09:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-28T09:00:00] front_door_contact | BooleanState.StateValue = False
[2026-08-28T09:04:09] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T09:05:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T09:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-28T09:10:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T09:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-08-28T09:17:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T09:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-28T09:24:09] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T09:25:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T09:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-28T09:35:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T09:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-08-28T09:42:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T09:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-28T09:49:09] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T10:00:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T10:20:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T20:41:10] front_door_contact | BooleanState.StateValue = True
[2026-08-29T08:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-29T08:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-29T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-29T09:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-29T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-29T09:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-29T09:34:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T09:38:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T09:39:57] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T09:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-29T09:49:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T09:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2449
[2026-08-29T09:54:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T09:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-29T09:59:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T10:03:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T10:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-29T10:09:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T10:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-29T10:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-08-29T10:19:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T10:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2559
[2026-08-29T10:20:00] front_door_contact | BooleanState.StateValue = False
[2026-08-29T10:24:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T10:28:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T10:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-29T10:34:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T10:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-08-29T10:39:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T10:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2457
[2026-08-29T10:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-29T10:49:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T10:52:00] kitchen_light | OnOff.OnOff = True
[2026-08-29T10:53:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T10:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-08-29T10:59:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T11:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-29T11:07:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T11:09:57] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T11:14:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T11:34:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T11:54:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T07:05:11] front_door_contact | BooleanState.StateValue = False
[2026-08-30T07:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-08-30T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-08-30T08:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-30T08:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T08:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2423
[2026-08-30T08:05:12] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T08:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-08-30T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-30T08:15:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T08:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-30T08:21:00] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-08-30T08:21:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T08:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-30T08:30:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T08:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-30T08:35:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-30T08:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2437
[2026-08-30T08:46:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T08:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-30T08:50:00] front_door_contact | BooleanState.StateValue = False
[2026-08-30T08:51:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T08:55:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-30T09:00:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T09:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-08-30T09:06:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T09:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-08-30T09:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-30T09:16:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T09:20:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-30T09:25:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T09:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-08-30T09:31:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T09:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-30T09:36:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-30T09:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-30T09:56:06] living_room_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。

```json
{
  "is_anomaly": false,
  "confidence": "high",
  "threat_type": "none",
  "threat_description": "未检测到安全威胁或异常模式，设备状态与独居老人的日常作息及环境变化一致。",
  "reasoning": [
    "1. 门窗状态分析：入户门传感器（front_door_contact）在8月28日大部分时间为False（关闭），仅在20:41变为True（开启/未关严）。结合8月30日早晨的锁操作日志（LockOperation Manual），推测老人可能在夜间或清晨有开门活动，且门锁机制正常。8月29日10:20的门状态变化伴随玄关运动传感器激活，符合正常出入或通风行为。",
    "2. 人员活动模式：多房间的运动传感器（occupancy_sensor）在白天时段（07:00-11:00+）频繁触发，显示老人在客厅、卧室、厨房、卫生间之间规律移动。这种跨房间的活跃模式排除了‘跌倒后静止’或‘长时间无活动’的健康风险。",
    "3. 环境数据合理性：温度传感器读数（如2524代表25.24°C）随时间缓慢波动，符合室内自然热惯性，无剧烈跳变导致的传感器故障迹象。烟雾报警器和漏水传感器在日志期间无任何告警触发。",
    "4. 设备功能正常：8月30日的门锁手动操作事件表明执行器工作正常；灯光开关与运动传感器联动逻辑未见明显冲突（如无人时亮灯持续过久等极端情况未在片段中体现为异常）。"
  ],
  "key_evidence": [
    "8月28日20:41 front_door_contact = True，随后几天早晨均有正常的门锁操作和人员活动，符合生活规律。",
    "全天多个房间（living_room, bedroom, kitchen, bathroom）的 occupancy_sensor 持续交替触发，证明住户处于活跃状态，无跌倒或昏迷迹象。",
    "所有安全类传感器（smoke_co_alarm, water_leak_detector）在日志窗口内无报警记录。"
  ],
  "recommended_actions": [
    "继续保持当前监控策略，无需紧急干预。",
    "建议定期校准温度传感器以确保读数精度，并检查入户门闭合后的传感器反馈是否及时（若长期保持开启状态可考虑优化设置）。"
  ]
}
```

{
  "is_anomaly": true,
  "confidence": "medium",
  "threat_type": "intrusion",
  "threat_description": "这些变化表明存在安全异常。",
  "reasoning": [
    "推理步骤1: 我把本可由正常模式解释的事件误判成了异常。"
  ],
  "key_evidence": [
    "正常样本仍保持日常出门；异常样本后续数天只剩室内活动。"
  ],
  "recommended_actions": [
    "建议立即检查并触发安全响应。"
  ]
}


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: kitchen_light
- 已选事件数: 115

## 跨天活动摘要
- 2026-07-04: living_room=209, bedroom=241, kitchen=239, entrance=229, bathroom=92
- 2026-07-05: living_room=210, bedroom=242, kitchen=240, entrance=230, bathroom=64
- 2026-07-06: living_room=208, bedroom=242, kitchen=241, entrance=230, bathroom=60

## 设备事件日志
[2026-07-04T06:09:04] kitchen_light | OnOff.OnOff = True
[2026-07-04T10:34:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T10:52:00] kitchen_light | OnOff.OnOff = True
[2026-07-04T11:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-04T11:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-07-04T11:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-07-04T11:19:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T11:22:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T11:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-04T11:28:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T11:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-07-04T11:34:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T11:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-04T11:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-04T11:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2443
[2026-07-04T11:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-07-04T11:54:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T11:57:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T12:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-07-04T12:03:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T12:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2426
[2026-07-04T12:05:00] kitchen_light | OnOff.OnOff = True
[2026-07-04T12:09:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T12:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2434
[2026-07-04T12:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-07-04T12:19:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T12:22:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T12:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-07-04T12:26:09] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T12:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-07-04T12:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-07-04T12:42:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T12:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2414
[2026-07-04T12:49:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T12:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-07-04T12:54:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T13:19:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T13:39:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T17:08:00] kitchen_light | OnOff.OnOff = True
[2026-07-05T11:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-05T11:06:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T11:26:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T11:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-07-05T11:46:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T11:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-07-05T11:51:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T11:55:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T12:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-07-05T12:01:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T12:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-07-05T12:06:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T12:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-07-05T12:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-07-05T12:16:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T12:20:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T12:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-07-05T12:26:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T12:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2409
[2026-07-05T12:31:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T12:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-07-05T12:35:00] kitchen_light | OnOff.OnOff = True
[2026-07-05T12:36:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T12:37:14] bedroom_window | WindowCovering.CurrentPositionLiftPercent100ths = 10000
[2026-07-05T12:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-07-05T12:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2401
[2026-07-05T12:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-07-05T12:57:09] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T13:01:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T13:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2495
[2026-07-05T13:06:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T13:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-07-05T13:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2399
[2026-07-05T13:16:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T13:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-07-05T13:22:09] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T13:36:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T13:56:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T14:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2466
[2026-07-06T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-06T10:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-06T11:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-06T11:10:00] kitchen_light | OnOff.OnOff = True
[2026-07-06T11:15:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-06T11:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2449
[2026-07-06T11:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-06T11:31:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-06T11:35:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-06T11:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-06T11:40:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-06T11:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2443
[2026-07-06T11:45:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-06T11:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-06T11:51:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-06T11:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-07-06T12:00:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-06T12:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-07-06T12:05:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-06T12:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2417
[2026-07-06T12:10:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-06T12:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-07-06T12:15:00] kitchen_light | OnOff.OnOff = True
[2026-07-06T12:16:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-06T12:20:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-06T12:23:02] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-06T12:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-07-06T12:25:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-06T12:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2423
[2026-07-06T12:30:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-06T12:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-07-06T12:39:09] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-06T12:40:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-06T12:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-07-06T12:45:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-06T12:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2413
[2026-07-06T12:50:04] living_room_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。

```json
{
  "is_anomaly": false,
  "confidence": "high",
  "threat_type": "none",
  "threat_description": "未检测到安全威胁或异常情况，设备日志显示独居老人的日常活动模式稳定且符合预期。",
  "reasoning": [
    "1. 活动规律性分析：日志覆盖了7月4日至6日三天，每天中午时段（约10:30-13:30）在客厅、厨房、卧室和玄关均有频繁的运动传感器触发记录。这种高频次的房间移动符合独居老人在家中进行日常活动（如做饭、休息、看电视）的行为特征，不存在长时间静止不动导致的'abnormal_inactivity'风险。",
    "2. 关键设备状态检查：重点关注的厨房灯（kitchen_light）仅在特定时间点开启（如11:52, 12:05, 17:08等），且与厨房运动传感器（kitchen_occupancy）的激活时间高度吻合，表明有人在使用厨房区域。没有发现无人时灶具或灯光长开的迹象，排除了'unattended_cooking'或火灾风险。",
    "3. 环境与安全指标正常：温度传感器读数在合理范围内（约24-25°C），无剧烈波动；未检测到烟雾报警器（smoke_co_alarm）或漏水传感器（water_leak_detector）的报警事件；入户门锁（door_lock）在日志片段中未出现异常解锁记录，且运动传感器显示的进出活动符合正常生活节奏。"
  ],
  "key_evidence": [
    "连续三天中午时段各房间运动传感器持续活跃，证明住户处于清醒和活动状态。",
    "厨房灯开启时间与厨房 occupancy 检测同步，无无人值守烹饪迹象。",
    "所有温湿度数据平稳，无烟雾、漏水或入侵报警信号。"
  ],
  "recommended_actions": [
    "继续保持当前的监控策略，无需干预。",
    "建议定期校准温度传感器以确保长期数据准确性，尽管当前数据看起来正常。"
  ]
}
```

{
  "is_anomaly": true,
  "confidence": "medium",
  "threat_type": "intrusion",
  "threat_description": "这些变化表明存在安全异常。",
  "reasoning": [
    "推理步骤1: 我把本可由正常模式解释的事件误判成了异常。"
  ],
  "key_evidence": [
    "正常样本午餐时间有小幅波动；异常样本跨天明显后移。"
  ],
  "recommended_actions": [
    "建议立即检查并触发安全响应。"
  ]
}