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: living_room_light
- 已选事件数: 113

## 跨天活动摘要
- 2026-07-13: living_room=213, bedroom=242, kitchen=241, entrance=231, bathroom=58

## 设备事件日志
[2026-07-13T04:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2420
[2026-07-13T04:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2426
[2026-07-13T04:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2411
[2026-07-13T04:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T04:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2414
[2026-07-13T04:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-07-13T04:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2429
[2026-07-13T04:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-07-13T04:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-07-13T05:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-07-13T05:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T05:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-07-13T05:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-07-13T05:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-07-13T05:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2458
[2026-07-13T05:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2342
[2026-07-13T05:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-07-13T05:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2464
[2026-07-13T05:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2358
[2026-07-13T05:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2457
[2026-07-13T05:28:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T05:28:03] bedroom_light | OnOff.OnOff = True
[2026-07-13T05:28:12] bedroom_window | WindowCovering.CurrentPositionLiftPercent100ths = 0
[2026-07-13T05:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2359
[2026-07-13T05:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-07-13T05:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T05:30:00] kitchen_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T05:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T05:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T05:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2463
[2026-07-13T05:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2355
[2026-07-13T05:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2463
[2026-07-13T05:39:00] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T05:39:00] bathroom_light | OnOff.OnOff = True
[2026-07-13T05:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2470
[2026-07-13T05:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2360
[2026-07-13T05:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2460
[2026-07-13T05:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2366
[2026-07-13T05:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2468
[2026-07-13T05:48:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T05:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2459
[2026-07-13T05:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2369
[2026-07-13T05:51:00] bathroom_light | OnOff.OnOff = False
[2026-07-13T05:51:05] kitchen_light | OnOff.OnOff = True
[2026-07-13T05:51:05] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T05:51:35] kitchen_cook_surface | OnOff.OnOff = True
[2026-07-13T05:52:05] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-07-13T05:52:24] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T05:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2475
[2026-07-13T05:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2373
[2026-07-13T05:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2469
[2026-07-13T06:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2376
[2026-07-13T06:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2478
[2026-07-13T06:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T06:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T06:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2468
[2026-07-13T06:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2381
[2026-07-13T06:08:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T06:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2488
[2026-07-13T06:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2372
[2026-07-13T06:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2480
[2026-07-13T06:11:05] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T06:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2482
[2026-07-13T06:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2390
[2026-07-13T06:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2486
[2026-07-13T06:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-07-13T06:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2379
[2026-07-13T06:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2481
[2026-07-13T06:20:00] living_room_light | OnOff.OnOff = True
[2026-07-13T06:22:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-07-13T06:22:24] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T06:23:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-07-13T06:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2479
[2026-07-13T06:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2384
[2026-07-13T06:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2483
[2026-07-13T06:28:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T06:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2487
[2026-07-13T06:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2395
[2026-07-13T06:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2492
[2026-07-13T06:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T06:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T06:31:05] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T06:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2497
[2026-07-13T06:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2402
[2026-07-13T06:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-07-13T06:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2486
[2026-07-13T06:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2401
[2026-07-13T06:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-07-13T06:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2405
[2026-07-13T06:45:00] living_room_light | OnOff.OnOff = False
[2026-07-13T06:48:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T06:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-07-13T06:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2396
[2026-07-13T06:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-07-13T06:51:05] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T06:52:24] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T06:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-07-13T07:00:00] kitchen_light | OnOff.OnOff = False
[2026-07-13T07:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-07-13T07:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2397
[2026-07-13T07:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-07-13T07:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T07:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T07:00:06] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-07-13T07:00:06] front_door_lock | DoorLock.LockState = 2
[2026-07-13T07:00:08] front_door_contact | BooleanState.StateValue = False
[2026-07-13T07:00:09] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T07:00:10] front_door_contact | BooleanState.StateValue = True
[2026-07-13T07:00:11] front_door_lock | Event: LockOperation(LockOperationType=0, OperationSource=Manual)
[2026-07-13T07:00:11] front_door_lock | DoorLock.LockState = 1
[2026-07-13T07:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-07-13T07:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2406
[2026-07-13T07:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2499

## 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。

```json
{
  "is_anomaly": false,
  "confidence": "high",
  "threat_type": "none",
  "threat_description": "日志显示为独居老人正常的清晨起床及晨间活动流程，未发现安全威胁或异常行为。",
  "reasoning": [
    "1. **时间线与行为模式分析**：日志集中在 04:20 至 07:05。05:28 卧室有人活动并开灯、开窗，符合早起习惯；05:39 卫生间有人活动（如洗漱/如厕）；05:51 厨房灶具开启，随后在 06:22 关闭，持续约30分钟，符合准备早餐的时间逻辑，且有人看管，非无人烹饪风险。",
    "2. **设备状态一致性**：客厅温度传感器读数在 24.1°C - 25.1°C 之间波动，属于正常室温范围，无剧烈跳变或传感器故障迹象。客厅灯光在 06:20 开启，06:45 关闭，可能是老人短暂进入客厅后离开，符合独居老人的日常动线。",
    "3. **门锁与出入记录**：07:00 左右入户门有解锁和上锁操作，结合玄关运动传感器在 07:00:09 检测到有人（Occupancy=1），这极有可能是老人在完成晨间活动后出门散步或买菜，或者是刚回家（但结合前序卧室/厨房活动，更倾向于出门）。整个过程有明确的物理动作触发，非非法入侵特征。",
    "4. **健康与安全指标**：未检测到烟雾报警、漏水报警或一氧化碳报警。厨房灶具使用后已关闭，无火灾或燃气泄漏风险。所有生命体征相关的间接证据（如长时间静止不动导致的跌倒风险）在此短窗口期内未出现异常（如长时间无活动后突然消失等）。"
  ],
  "key_evidence": [
    "05:51 kitchen_cook_surface OnOff=True 至 06:22 OnOff=False，烹饪时长合理且有人看管。",
    "07:00 front_door_lock LockState 变化伴随 entrance_occupancy 检测到人，确认为合法用户出入。",
    "living_room_temp_sensor 数值稳定在 24-25°C 区间，无传感器漂移或故障。",
    "卧室、卫生间、厨房的活动序列（起床->洗漱->做饭）符合独居老人清晨常规作息。"
  ],
  "recommended_actions": [
    "无需采取紧急安全措施。",
    "建议保持现有监控策略，若老人通常不在早晨外出，可关注后续是否按时返回以确认其健康状况。"
  ]
}
```

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "客厅温度传感器数据严重异常，读数高达 250°C 且持续漂移，远超物理可能范围，导致空调逻辑失效及潜在误报。",
  "reasoning": [
    "推理步骤 1: 分析日志发现 living_room_temp_sensor 的 MeasuredValue 从正常的 2420 (约 24.2°C) 开始，在凌晨至清晨时段持续线性增长，最高达到 2514 (约 251.4°C)，这在家庭环境中是物理上不可能的。",
    "推理步骤 2: 这种异常读数与同一时间段内其他房间（卧室、厨房）正常的温度读数（约 23-25°C）形成鲜明对比，排除了环境温度骤升的可能性，确认为单一设备故障。",
    "推理步骤 3: 该错误数据可能导致依赖此传感器的自动化逻辑（如空调制冷）做出错误判断，或者触发烟雾/高温报警器的虚假警报，对于独居老人而言，系统误报或控制失效均构成安全隐患。"
  ],
  "key_evidence": [
    "living_room_temp_sensor 在 04:20 至 07:05 期间数值从 2420 飙升至 2514，呈现非自然的线性增长趋势。",
    "同期 bedroom_temp_sensor 和 kitchen_temp_sensor 读数稳定在合理范围 (2300-2500)，证明环境本身未发生极端变化。",
    "温度传感器数值单位通常为 0.01°C，2500+ 意味着 250°C 以上的高温，不符合室内场景。"
  ],
  "recommended_actions": [
    "立即远程重置或重启客厅温度传感器设备以尝试恢复校准。",
    "若重置无效，安排技术人员上门更换损坏的传感器硬件。",
    "在维修完成前，暂时禁用基于该传感器的自动温控策略，并手动监控室内实际温度。",
    "检查是否因固件 Bug 导致的数据溢出问题，联系 Matter 协议兼容厂商更新固件。"
  ]
}
```


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: living_room_light
- 已选事件数: 105

## 跨天活动摘要
- 2026-08-18: living_room=213, bedroom=243, kitchen=239, entrance=230, bathroom=61

## 设备事件日志
[2026-08-18T04:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-08-18T04:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2434
[2026-08-18T04:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-08-18T04:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-08-18T05:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2429
[2026-08-18T05:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T05:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-08-18T05:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2442
[2026-08-18T05:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2455
[2026-08-18T05:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-08-18T05:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2460
[2026-08-18T05:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-08-18T05:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2353
[2026-08-18T05:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2459
[2026-08-18T05:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T05:30:00] kitchen_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T05:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T05:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T05:31:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T05:35:00] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T05:35:00] bathroom_light | OnOff.OnOff = True
[2026-08-18T05:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2469
[2026-08-18T05:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2354
[2026-08-18T05:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2466
[2026-08-18T05:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2468
[2026-08-18T05:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2355
[2026-08-18T05:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2457
[2026-08-18T05:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2472
[2026-08-18T05:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2373
[2026-08-18T05:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2463
[2026-08-18T05:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2462
[2026-08-18T05:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2364
[2026-08-18T05:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2472
[2026-08-18T05:51:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T05:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2465
[2026-08-18T05:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2470
[2026-08-18T05:55:00] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T06:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2470
[2026-08-18T06:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2372
[2026-08-18T06:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T06:00:00] kitchen_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T06:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T06:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2480
[2026-08-18T06:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2378
[2026-08-18T06:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2485
[2026-08-18T06:06:00] bathroom_light | OnOff.OnOff = False
[2026-08-18T06:06:08] kitchen_light | OnOff.OnOff = True
[2026-08-18T06:06:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T06:06:38] kitchen_cook_surface | OnOff.OnOff = True
[2026-08-18T06:06:42] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T06:07:08] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-08-18T06:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2483
[2026-08-18T06:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2386
[2026-08-18T06:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2482
[2026-08-18T06:11:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T06:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2479
[2026-08-18T06:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2382
[2026-08-18T06:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-08-18T06:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2486
[2026-08-18T06:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2391
[2026-08-18T06:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2490
[2026-08-18T06:20:00] living_room_light | OnOff.OnOff = True
[2026-08-18T06:24:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-08-18T06:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2488
[2026-08-18T06:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2394
[2026-08-18T06:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2497
[2026-08-18T06:26:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T06:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-08-18T06:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2384
[2026-08-18T06:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-08-18T06:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T06:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T06:31:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T06:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-08-18T06:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2387
[2026-08-18T06:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-08-18T06:36:42] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T06:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-08-18T06:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2397
[2026-08-18T06:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-08-18T06:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-08-18T06:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2392
[2026-08-18T06:45:00] living_room_light | OnOff.OnOff = False
[2026-08-18T06:46:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T06:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2505
[2026-08-18T06:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2403
[2026-08-18T06:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-08-18T06:51:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T06:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2495
[2026-08-18T06:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2410
[2026-08-18T06:56:00] kitchen_light | OnOff.OnOff = False
[2026-08-18T06:56:04] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-08-18T06:56:04] front_door_lock | DoorLock.LockState = 2
[2026-08-18T06:56:06] front_door_contact | BooleanState.StateValue = False
[2026-08-18T06:56:07] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T06:56:11] front_door_contact | BooleanState.StateValue = True
[2026-08-18T06:56:12] front_door_lock | Event: LockOperation(LockOperationType=0, OperationSource=Manual)
[2026-08-18T06:56:12] front_door_lock | DoorLock.LockState = 1
[2026-08-18T07:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-08-18T07:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2406
[2026-08-18T07:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2497
[2026-08-18T07:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T07:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-08-18T07:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2414
[2026-08-18T07:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508

## 任务
以下是过去一段时间的设备活动记录。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: 正常样本是早起单次开关灯；异常样本在深夜短时反复切换。"
  ],
  "key_evidence": [
    "正常样本是早起单次开关灯；异常样本在深夜短时反复切换。"
  ],
  "recommended_actions": [
    "继续监测，无需立即处置。"
  ]
}

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "fire_risk",
  "threat_description": "厨房灶具在无人看管的情况下长时间开启，且室内温度持续异常升高，存在极高的火灾风险。",
  "reasoning": [
    "推理步骤 1: 时间线分析显示，住户于 06:06 打开厨房灯并进入厨房 (kitchen_occupancy=1)，随后在 06:06:38 开启了灶具 (kitchen_cook_surface=True)。",
    "推理步骤 2: 关键异常在于，灶具在 06:24 关闭后，厨房内仍有人员活动迹象（如 06:46 和 06:51 检测到 occupancy=1），但日志中未明确记录灶具再次开启或有人离开厨房的完整闭环。更严重的是，从 06:06 到 07:05 长达近一小时内，客厅、卧室和厨房的温度传感器读数呈现持续且显著的上升趋势（客厅从 24.27°C 升至 25.10°C，厨房从 24.59°C 升至 25.08°C）。",
    "推理步骤 3: 考虑到独居老人的背景，这种长时间的高温累积极可能是由于烹饪过程中无人及时关火或通风不良导致的。虽然最后有开门锁操作（06:56），但这发生在高温持续上升之后，无法排除火灾隐患。对于独居老人而言，‘无人看管的烹饪’是最高优先级的安全风险之一。",
    "推理步骤 4: 结合 Matter 协议下的传感器数据，温度读数的单调递增与人员活动的非同步性（人可能在其他房间，但热源仍在）构成了强烈的火灾风险信号。"
  ],
  "key_evidence": [
    "06:06:38 灶具开启 (OnOff.OnOff = True)",
    "06:06:38 至 07:05:00 期间，厨房及客厅温度持续显著上升（厨房最高达 25.08°C，较初始值高出约 0.5°C，且趋势未回落）",
    "独居老人场景下，长时间高温伴随潜在的烹饪活动属于高危行为模式"
  ],
  "recommended_actions": [
    "立即远程通知用户或监护人：家中厨房可能存在火灾隐患，请立即检查灶具是否关闭及燃气阀门状态。",
    "建议系统自动触发烟雾报警器测试或联动排风设备，若条件允许，尝试远程关闭智能灶具电源。",
    "安排社区工作人员或紧急联系人上门确认老人安全状况，防止因疏忽导致火灾事故。"
  ]
}
```


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: living_room_light
- 已选事件数: 110

## 跨天活动摘要
- 2026-08-04: living_room=212, bedroom=241, kitchen=239, entrance=230, bathroom=92

## 设备事件日志
[2026-08-04T04:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2409
[2026-08-04T04:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-08-04T04:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T04:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2417
[2026-08-04T04:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2424
[2026-08-04T04:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2425
[2026-08-04T04:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-08-04T04:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-08-04T05:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2443
[2026-08-04T05:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T05:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-08-04T05:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-08-04T05:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-08-04T05:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2458
[2026-08-04T05:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2350
[2026-08-04T05:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-08-04T05:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2364
[2026-08-04T05:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-08-04T05:27:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T05:27:07] bedroom_light | OnOff.OnOff = True
[2026-08-04T05:27:15] bedroom_window | WindowCovering.CurrentPositionLiftPercent100ths = 0
[2026-08-04T05:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2466
[2026-08-04T05:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2349
[2026-08-04T05:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-08-04T05:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T05:30:00] kitchen_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T05:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T05:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T05:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2465
[2026-08-04T05:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2363
[2026-08-04T05:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2461
[2026-08-04T05:39:00] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T05:39:00] bathroom_light | OnOff.OnOff = True
[2026-08-04T05:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2472
[2026-08-04T05:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2356
[2026-08-04T05:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2465
[2026-08-04T05:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2359
[2026-08-04T05:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2470
[2026-08-04T05:47:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T05:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2469
[2026-08-04T05:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2376
[2026-08-04T05:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2474
[2026-08-04T05:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2463
[2026-08-04T05:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2375
[2026-08-04T05:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2477
[2026-08-04T05:59:00] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T06:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2366
[2026-08-04T06:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T06:00:00] kitchen_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T06:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T06:01:00] bathroom_light | OnOff.OnOff = False
[2026-08-04T06:01:06] kitchen_light | OnOff.OnOff = True
[2026-08-04T06:01:06] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T06:01:36] kitchen_cook_surface | OnOff.OnOff = True
[2026-08-04T06:02:06] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-08-04T06:03:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T06:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2476
[2026-08-04T06:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2378
[2026-08-04T06:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2473
[2026-08-04T06:07:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T06:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2482
[2026-08-04T06:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2372
[2026-08-04T06:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2471
[2026-08-04T06:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2487
[2026-08-04T06:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2384
[2026-08-04T06:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-08-04T06:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-08-04T06:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2393
[2026-08-04T06:20:00] living_room_light | OnOff.OnOff = True
[2026-08-04T06:21:06] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T06:24:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-08-04T06:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-08-04T06:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2392
[2026-08-04T06:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2490
[2026-08-04T06:27:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T06:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2488
[2026-08-04T06:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2389
[2026-08-04T06:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-08-04T06:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T06:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T06:33:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T06:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2499
[2026-08-04T06:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2386
[2026-08-04T06:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2491
[2026-08-04T06:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2495
[2026-08-04T06:41:06] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T06:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2407
[2026-08-04T06:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2500
[2026-08-04T06:45:00] living_room_light | OnOff.OnOff = False
[2026-08-04T06:47:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T06:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-08-04T06:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2398
[2026-08-04T06:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-08-04T06:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2397
[2026-08-04T06:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-08-04T07:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-08-04T07:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2410
[2026-08-04T07:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2502
[2026-08-04T07:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T07:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T07:01:06] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T07:03:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T07:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-08-04T07:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-08-04T07:07:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T07:08:00] kitchen_light | OnOff.OnOff = False
[2026-08-04T07:08:09] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-08-04T07:08:09] front_door_lock | DoorLock.LockState = 2
[2026-08-04T07:08:11] front_door_contact | BooleanState.StateValue = False
[2026-08-04T07:08:12] entrance_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。

```json
{
  "is_anomaly": false,
  "confidence": "high",
  "threat_type": "none",
  "threat_description": "日志显示独居老人在清晨正常起床、如厕、准备早餐并出门，所有设备状态变化符合正常的日常生活行为模式，未发现安全威胁。",
  "reasoning": [
    "1. **作息规律性分析**：老人于05:27在卧室醒来（灯亮、窗帘开启），随后在05:39进入卫生间（灯亮、占用传感器激活），06:01离开卫生间。这一系列动作连贯且符合老年人晨起洗漱的常规流程。",
    "2. **烹饪行为安全性**：06:01厨房占用传感器触发，紧接着灶具被打开（06:01:36），并在约2分钟后关闭（06:24）。虽然中间有短暂的传感器数据缺失（06:02:06 Temp=None），但结合前后正常的温度读数及随后的灶具关闭事件，这属于正常的短暂烹饪或烧水行为，未出现长时间无人看管的情况。",
    "3. **离家逻辑验证**：07:08门锁执行手动上锁操作（LockState=2），同时入户门接触传感器显示关闭（StateValue=False），玄关占用传感器随后激活（Occupancy=1，可能为门口停留或误报，但在锁门后发生通常视为正常离家的最后一步）。整个“起床-洗漱-做饭-锁门”的时间线逻辑自洽，无异常闯入或滞留迹象。",
    "4. **环境数据正常**：客厅温度从24°C缓慢上升至25°C左右，符合夏季清晨自然升温趋势；各房间占用传感器在无人的时间段（如凌晨4-5点）均显示为空，表明没有非法入侵者潜伏。"
  ],
  "key_evidence": [
    "05:27 bedroom_light OnOff=True 与 05:27 bedroom_occupancy Occupancy=1 同步，确认用户起床。",
    "06:01 kitchen_cook_surface OnOff=True 至 06:24 OnOff=False，烹饪时长约23分钟，且在有人活动背景下，属正常范围。",
    "07:08 front_door_lock LockState=2 (Locked) 且 front_door_contact StateValue=False (Closed)，确认用户已离家并锁好门窗。"
  ],
  "recommended_actions": [
    "无需采取紧急安全措施。",
    "建议继续监控后续日期的类似时间窗日志，以建立更精确的个人行为基线，特别是针对厨房灶具使用的持续时间阈值设定。"
  ]
}
```

{
  "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": [
    "正常样本是早起单次开关灯；异常样本在深夜短时反复切换。"
  ],
  "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: SQ4
- 重点房间: living_room
- 重点设备: living_room_light
- 已选事件数: 112

## 跨天活动摘要
- 2026-07-18: living_room=210, bedroom=242, kitchen=238, entrance=231, bathroom=59

## 设备事件日志
[2026-07-18T04:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2416
[2026-07-18T04:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2425
[2026-07-18T04:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2412
[2026-07-18T04:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T04:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2421
[2026-07-18T04:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2428
[2026-07-18T04:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2422
[2026-07-18T04:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-07-18T04:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2429
[2026-07-18T05:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-07-18T05:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T05:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-07-18T05:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2437
[2026-07-18T05:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-07-18T05:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-07-18T05:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2343
[2026-07-18T05:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-07-18T05:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2457
[2026-07-18T05:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2352
[2026-07-18T05:26:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T05:26:04] bedroom_light | OnOff.OnOff = True
[2026-07-18T05:26:08] bedroom_window | WindowCovering.CurrentPositionLiftPercent100ths = 0
[2026-07-18T05:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2459
[2026-07-18T05:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2349
[2026-07-18T05:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2464
[2026-07-18T05:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T05:30:00] kitchen_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T05:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T05:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T05:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-07-18T05:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2364
[2026-07-18T05:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2463
[2026-07-18T05:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2473
[2026-07-18T05:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2366
[2026-07-18T05:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2466
[2026-07-18T05:45:00] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T05:45:00] bathroom_light | OnOff.OnOff = True
[2026-07-18T05:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-07-18T05:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2368
[2026-07-18T05:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2475
[2026-07-18T05:46:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T05:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2460
[2026-07-18T05:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2479
[2026-07-18T05:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2472
[2026-07-18T05:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2379
[2026-07-18T06:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2374
[2026-07-18T06:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2473
[2026-07-18T06:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T06:00:00] kitchen_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T06:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T06:05:00] bathroom_light | OnOff.OnOff = False
[2026-07-18T06:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2487
[2026-07-18T06:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2387
[2026-07-18T06:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2472
[2026-07-18T06:05:00] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T06:05:04] kitchen_light | OnOff.OnOff = True
[2026-07-18T06:05:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T06:05:34] kitchen_cook_surface | OnOff.OnOff = True
[2026-07-18T06:06:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T06:06:04] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-07-18T06:06:20] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T06:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2488
[2026-07-18T06:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2385
[2026-07-18T06:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2476
[2026-07-18T06:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-07-18T06:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2380
[2026-07-18T06:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2487
[2026-07-18T06:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2392
[2026-07-18T06:20:00] living_room_light | OnOff.OnOff = True
[2026-07-18T06:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2492
[2026-07-18T06:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2382
[2026-07-18T06:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2486
[2026-07-18T06:25:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T06:26:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-07-18T06:26:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T06:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-07-18T06:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2401
[2026-07-18T06:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2489
[2026-07-18T06:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T06:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T06:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-07-18T06:36:20] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T06:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2497
[2026-07-18T06:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2405
[2026-07-18T06:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2491
[2026-07-18T06:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-07-18T06:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2389
[2026-07-18T06:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-07-18T06:45:00] living_room_light | OnOff.OnOff = False
[2026-07-18T06:45:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T06:46:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T06:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2403
[2026-07-18T06:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-07-18T06:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2505
[2026-07-18T06:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2407
[2026-07-18T06:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-07-18T07:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2396
[2026-07-18T07:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2499
[2026-07-18T07:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T07:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-07-18T07:02:00] kitchen_light | OnOff.OnOff = False
[2026-07-18T07:02:02] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-07-18T07:02:02] front_door_lock | DoorLock.LockState = 2
[2026-07-18T07:02:04] front_door_contact | BooleanState.StateValue = False
[2026-07-18T07:02:05] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-18T07:02:12] front_door_contact | BooleanState.StateValue = True
[2026-07-18T07:02:13] front_door_lock | Event: LockOperation(LockOperationType=0, OperationSource=Manual)
[2026-07-18T07:02:13] front_door_lock | DoorLock.LockState = 1
[2026-07-18T07:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-07-18T07:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2409
[2026-07-18T07:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2502
[2026-07-18T07:05:04] kitchen_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。

```json
{
  "is_anomaly": false,
  "confidence": "high",
  "threat_type": "none",
  "threat_description": "日志显示独居老人在清晨时段正常起床、进行洗漱和烹饪活动，随后出门并锁门，所有设备状态变化符合正常的日常生活行为模式，未发现安全威胁。",
  "reasoning": [
    "1. **作息规律性分析**：日志时间集中在 05:26 至 07:02，符合老年人早起的生活习惯。卧室灯在 05:26 开启，随后卫生间灯在 05:45 开启（洗漱），厨房灯在 06:05 开启（准备早餐），这一系列动作连贯且符合逻辑。",
    "2. **烹饪安全性评估**：厨房灶具 (cook_surface) 在 06:05 开启，于 06:26 关闭，持续约 21 分钟。在此期间，厨房运动传感器 (kitchen_occupancy) 始终为 1（有人），表明老人一直在厨房内照看，不存在无人看管导致的火灾风险 (unattended_cooking)。",
    "3. **离家与安防确认**：07:02 左右，入户门锁执行了上锁操作 (LockState=2)，紧接着门磁传感器显示门关闭 (StateValue=False)，随后玄关运动传感器检测到有人经过 (Occupancy=1) 并离开区域。这构成了完整的“起床-洗漱-做饭-离家”闭环，且离家时正确执行了锁门动作，无入侵或遗忘锁门迹象。",
    "4. **排除异常指标**：虽然客厅温度传感器数值较高（约 24-25°C），但这是环境温度读数，且在合理范围内波动；未检测到烟雾报警或一氧化碳报警触发；无长时间静止不动（跌倒风险）或异常的水流泄漏信号。"
  ],
  "key_evidence": [
    "06:05 kitchen_cook_surface OnOff=True 与 06:26 Off 之间，kitchen_occupancy 持续为 1，证明烹饪过程有人看护。",
    "07:02 front_door_lock LockState=2 (Locked) 后紧跟 front_door_contact StateValue=False (Closed)，确认用户已安全离家并锁好门窗。",
    "05:26 bedroom_light On -> 05:45 bathroom_light On -> 06:05 kitchen_light On 的行为序列符合典型的晨间例行活动。"
  ],
  "recommended_actions": [
    "无需采取紧急措施。",
    "建议继续监控日常活动模式，若未来出现类似时间段无活动记录或长时间未锁门，需进一步核查。"
  ]
}
```

{
  "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": [
    "正常样本是早起单次开关灯；异常样本在深夜短时反复切换。"
  ],
  "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: living_room_light
- 已选事件数: 102

## 跨天活动摘要
- 2026-07-11: living_room=213, bedroom=242, kitchen=237, entrance=230, bathroom=65

## 设备事件日志
[2026-07-11T04:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-07-11T04:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2429
[2026-07-11T04:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2423
[2026-07-11T04:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-07-11T05:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-07-11T05:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-11T05:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-07-11T05:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2455
[2026-07-11T05:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2457
[2026-07-11T05:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2442
[2026-07-11T05:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-07-11T05:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-07-11T05:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2349
[2026-07-11T05:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-07-11T05:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-11T05:30:00] kitchen_occupancy | OccupancySensing.Occupancy = 0
[2026-07-11T05:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-11T05:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-07-11T05:31:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T05:33:00] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T05:33:00] bathroom_light | OnOff.OnOff = True
[2026-07-11T05:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2362
[2026-07-11T05:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2460
[2026-07-11T05:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2466
[2026-07-11T05:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2364
[2026-07-11T05:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-07-11T05:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2363
[2026-07-11T05:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2458
[2026-07-11T05:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2476
[2026-07-11T05:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2372
[2026-07-11T05:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2469
[2026-07-11T05:51:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T05:53:00] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T05:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2480
[2026-07-11T05:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2369
[2026-07-11T05:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2482
[2026-07-11T06:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2474
[2026-07-11T06:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2370
[2026-07-11T06:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2481
[2026-07-11T06:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-11T06:00:00] kitchen_occupancy | OccupancySensing.Occupancy = 0
[2026-07-11T06:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-07-11T06:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2486
[2026-07-11T06:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2478
[2026-07-11T06:07:00] bathroom_light | OnOff.OnOff = False
[2026-07-11T06:07:09] kitchen_light | OnOff.OnOff = True
[2026-07-11T06:07:09] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T06:07:39] kitchen_cook_surface | OnOff.OnOff = True
[2026-07-11T06:08:09] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-07-11T06:08:17] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-11T06:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2478
[2026-07-11T06:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2382
[2026-07-11T06:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2479
[2026-07-11T06:11:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T06:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2488
[2026-07-11T06:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2391
[2026-07-11T06:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2484
[2026-07-11T06:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2485
[2026-07-11T06:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2376
[2026-07-11T06:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-07-11T06:20:00] living_room_light | OnOff.OnOff = True
[2026-07-11T06:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2397
[2026-07-11T06:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2492
[2026-07-11T06:27:09] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T06:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2481
[2026-07-11T06:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2395
[2026-07-11T06:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2490
[2026-07-11T06:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-11T06:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-07-11T06:31:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T06:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2483
[2026-07-11T06:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2387
[2026-07-11T06:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2495
[2026-07-11T06:36:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-07-11T06:38:17] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-11T06:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2492
[2026-07-11T06:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2403
[2026-07-11T06:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-07-11T06:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2488
[2026-07-11T06:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2407
[2026-07-11T06:45:00] living_room_light | OnOff.OnOff = False
[2026-07-11T06:47:09] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T06:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-07-11T06:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-07-11T06:51:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T06:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2500
[2026-07-11T06:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2405
[2026-07-11T06:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-07-11T06:56:00] kitchen_light | OnOff.OnOff = False
[2026-07-11T06:56:09] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-07-11T06:56:09] front_door_lock | DoorLock.LockState = 2
[2026-07-11T06:56:11] front_door_contact | BooleanState.StateValue = False
[2026-07-11T06:56:12] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-11T06:56:17] front_door_contact | BooleanState.StateValue = True
[2026-07-11T06:56:18] front_door_lock | Event: LockOperation(LockOperationType=0, OperationSource=Manual)
[2026-07-11T06:56:18] front_door_lock | DoorLock.LockState = 1
[2026-07-11T07:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2502
[2026-07-11T07:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2402
[2026-07-11T07:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-07-11T07:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-11T07:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-07-11T07:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2416

## 任务
以下是过去一段时间的设备活动记录。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，日志显示为独居老人在清晨正常的起床、洗漱及短暂外出活动模式。",
  "reasoning": [
    "1. **活动时间与行为逻辑符合常理**：日志时间集中在 05:30 至 07:00，这是老年人常见的早起时间段。老人先在卧室/卫生间活动（05:30-06:00），随后进入厨房准备早餐或饮水（06:07 开灯，06:08 灶具开启），最后于 06:56 出门并锁门，整体动线连贯且合理。",
    "2. **烹饪行为受控且无风险**：厨房灶具在 06:08 开启，但在 06:36 关闭，持续时间约 28 分钟。在此期间，厨房运动传感器持续报告有人（Occupancy=1），表明老人一直在厨房看护，不存在无人看管导致的火灾风险（unattended_cooking）。",
    "3. **门锁操作正常**：06:56 发生的门锁事件序列（解锁 -> 开门 -> 关门 -> 上锁）是典型的“离家”动作。虽然短时间内有两次 LockOperation 事件，但结合 DoorLockState 从 2 (Unlocked) 变为 1 (Locked) 以及 Contact Sensor 的状态变化，这符合手动出门并反锁门的正常行为，而非故障或入侵尝试。",
    "4. **环境数据稳定**：温度传感器读数随时间缓慢上升（从 ~24.3°C 升至 ~25.1°C），符合夏季清晨室内温度自然升高的规律，无剧烈波动或传感器故障迹象。"
  ],
  "key_evidence": [
    "06:07-06:36 期间 kitchen_occupancy 持续为 1，且 cook_surface 开启后不久即关闭，证明有人在旁看护。",
    "06:56 的 door_lock 状态变化序列（Unlock -> Open -> Close -> Lock）完整对应了一次正常的离家出门行为。",
    "05:30-06:00 期间 bedroom/bathroom 的活动先于 kitchen，符合起床洗漱后去厨房的生活习惯。"
  ],
  "recommended_actions": [
    "无需采取紧急安全措施。",
    "建议保持现有监控配置，确保护士或家属能定期查看此类日常日志以确认老人健康状态（如每日按时起床）。"
  ]
}
```

{
  "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": [
    "正常样本是早起单次开关灯；异常样本在深夜短时反复切换。"
  ],
  "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: living_room_light
- 已选事件数: 102

## 跨天活动摘要
- 2026-08-26: living_room=212, bedroom=242, kitchen=241, entrance=231, bathroom=57

## 设备事件日志
[2026-08-26T04:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-08-26T04:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-08-26T04:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2442
[2026-08-26T04:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-08-26T05:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-08-26T05:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-26T05:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-08-26T05:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-08-26T05:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2455
[2026-08-26T05:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2459
[2026-08-26T05:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2464
[2026-08-26T05:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2350
[2026-08-26T05:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-08-26T05:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-26T05:30:00] kitchen_occupancy | OccupancySensing.Occupancy = 0
[2026-08-26T05:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-26T05:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-26T05:32:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T05:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-08-26T05:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2362
[2026-08-26T05:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2459
[2026-08-26T05:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2467
[2026-08-26T05:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2371
[2026-08-26T05:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-08-26T05:41:00] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T05:41:00] bathroom_light | OnOff.OnOff = True
[2026-08-26T05:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2367
[2026-08-26T05:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2469
[2026-08-26T05:50:00] bathroom_light | OnOff.OnOff = False
[2026-08-26T05:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2466
[2026-08-26T05:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2379
[2026-08-26T05:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2473
[2026-08-26T05:50:07] kitchen_light | OnOff.OnOff = True
[2026-08-26T05:50:07] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T05:50:37] kitchen_cook_surface | OnOff.OnOff = True
[2026-08-26T05:51:07] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-08-26T05:51:25] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-26T05:52:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T05:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2468
[2026-08-26T05:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2380
[2026-08-26T05:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2474
[2026-08-26T06:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2482
[2026-08-26T06:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-26T06:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-26T06:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2480
[2026-08-26T06:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2369
[2026-08-26T06:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2470
[2026-08-26T06:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2472
[2026-08-26T06:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2375
[2026-08-26T06:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2490
[2026-08-26T06:10:07] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T06:12:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T06:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2479
[2026-08-26T06:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2484
[2026-08-26T06:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2485
[2026-08-26T06:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2393
[2026-08-26T06:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2492
[2026-08-26T06:20:00] living_room_light | OnOff.OnOff = True
[2026-08-26T06:21:25] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-26T06:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-08-26T06:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2387
[2026-08-26T06:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-08-26T06:29:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-08-26T06:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-08-26T06:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2492
[2026-08-26T06:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2499
[2026-08-26T06:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-26T06:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-26T06:30:07] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T06:32:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T06:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2484
[2026-08-26T06:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2402
[2026-08-26T06:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2489
[2026-08-26T06:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2491
[2026-08-26T06:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2386
[2026-08-26T06:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-08-26T06:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2500
[2026-08-26T06:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2407
[2026-08-26T06:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-08-26T06:45:00] living_room_light | OnOff.OnOff = False
[2026-08-26T06:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-08-26T06:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2394
[2026-08-26T06:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-08-26T06:50:07] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T06:51:25] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-26T06:52:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T06:54:00] kitchen_light | OnOff.OnOff = False
[2026-08-26T06:54:05] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-08-26T06:54:05] front_door_lock | DoorLock.LockState = 2
[2026-08-26T06:54:07] front_door_contact | BooleanState.StateValue = False
[2026-08-26T06:54:08] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T06:54:14] front_door_contact | BooleanState.StateValue = True
[2026-08-26T06:54:15] front_door_lock | Event: LockOperation(LockOperationType=0, OperationSource=Manual)
[2026-08-26T06:54:15] front_door_lock | DoorLock.LockState = 1
[2026-08-26T06:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-08-26T06:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2405
[2026-08-26T06:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2505
[2026-08-26T07:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-08-26T07:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2401
[2026-08-26T07:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-08-26T07:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-26T07:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501

## 任务
请从下面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，日志显示为独居老人在清晨正常的起床、洗漱及短暂外出活动。",
  "reasoning": [
    "1. **活动时间与行为模式分析**：日志时间集中在 04:40 至 07:05，属于清晨时段。住户在 05:32 卧室有人，随后 05:41 卫生间有人并开灯，05:50 厨房灶具开启，这符合老人早起洗漱、准备早餐或简单烹饪的正常生活规律。",
    "2. **设备状态逻辑自洽**：厨房灶具 (cook_surface) 在 05:50 开启，06:29 关闭，持续时间约 40 分钟，且期间有人员活动（厨房运动传感器多次触发），并非无人看管的长时间烹饪，排除了火灾风险。",
    "3. **门锁操作正常**：06:54 左右，入户门锁经历了 'Lock' (锁定) -> 'Unlock' (解锁) 的操作序列，且伴随门磁状态变化。结合 06:54:08 玄关运动传感器被触发，这表明住户可能进行了短暂的出门检查（如取快递、扔垃圾）或调整门锁，随后立即返回或确认安全，属于正常行为。",
    "4. **无异常环境数据**：温度传感器读数在合理范围内波动（客厅约 24-25°C），无烟雾报警或漏水报警触发。所有传感器状态变化均有对应的人员活动或设备操作支撑，未发现传感器卡死或漂移迹象。"
  ],
  "key_evidence": [
    "05:41 bathroom_occupancy = 1 且 bathroom_light = True，表明有人使用卫生间。",
    "05:50 kitchen_cook_surface = True 持续至 06:29 关闭，期间有厨房人员活动，属正常烹饪行为。",
    "06:54 front_door_lock 发生手动锁定和解锁操作，且伴随 entrance_occupancy 触发，符合短时外出或检查门锁的行为特征。"
  ],
  "recommended_actions": [
    "无需采取紧急措施。",
    "建议保持现有监控配置，若此类清晨短时外出频繁，可考虑设置‘晨间活动’自动化规则以优化能源管理。"
  ]
}
```

{
  "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": [
    "正常样本是早起单次开关灯；异常样本在深夜短时反复切换。"
  ],
  "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: living_room_light
- 已选事件数: 102

## 跨天活动摘要
- 2026-08-21: living_room=211, bedroom=242, kitchen=239, entrance=231, bathroom=62

## 设备事件日志
[2026-08-21T04:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2424
[2026-08-21T04:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-08-21T04:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2443
[2026-08-21T05:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-08-21T05:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-21T05:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-08-21T05:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2458
[2026-08-21T05:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2442
[2026-08-21T05:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-08-21T05:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2367
[2026-08-21T05:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-08-21T05:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-21T05:30:00] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-21T05:30:00] kitchen_occupancy | OccupancySensing.Occupancy = 0
[2026-08-21T05:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-21T05:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-21T05:32:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T05:32:06] bedroom_light | OnOff.OnOff = True
[2026-08-21T05:32:14] bedroom_window | WindowCovering.CurrentPositionLiftPercent100ths = 0
[2026-08-21T05:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2463
[2026-08-21T05:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2350
[2026-08-21T05:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2462
[2026-08-21T05:36:00] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T05:36:00] bathroom_light | OnOff.OnOff = True
[2026-08-21T05:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2364
[2026-08-21T05:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2470
[2026-08-21T05:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2467
[2026-08-21T05:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2360
[2026-08-21T05:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2463
[2026-08-21T05:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2462
[2026-08-21T05:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2370
[2026-08-21T05:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2477
[2026-08-21T05:52:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T05:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2468
[2026-08-21T05:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2372
[2026-08-21T05:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2472
[2026-08-21T05:56:00] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T06:00:00] bathroom_light | OnOff.OnOff = False
[2026-08-21T06:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2474
[2026-08-21T06:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2379
[2026-08-21T06:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2467
[2026-08-21T06:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-21T06:00:00] kitchen_occupancy | OccupancySensing.Occupancy = 0
[2026-08-21T06:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-21T06:00:03] kitchen_light | OnOff.OnOff = True
[2026-08-21T06:00:03] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T06:00:33] kitchen_cook_surface | OnOff.OnOff = True
[2026-08-21T06:01:03] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-08-21T06:01:40] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-21T06:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2480
[2026-08-21T06:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2385
[2026-08-21T06:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2482
[2026-08-21T06:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2481
[2026-08-21T06:12:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T06:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2483
[2026-08-21T06:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2393
[2026-08-21T06:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2484
[2026-08-21T06:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2383
[2026-08-21T06:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2492
[2026-08-21T06:20:00] living_room_light | OnOff.OnOff = True
[2026-08-21T06:20:03] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T06:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2490
[2026-08-21T06:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2380
[2026-08-21T06:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-08-21T06:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2497
[2026-08-21T06:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-21T06:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-21T06:31:40] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-21T06:32:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-08-21T06:32:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T06:33:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-08-21T06:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-08-21T06:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2402
[2026-08-21T06:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-08-21T06:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-08-21T06:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2395
[2026-08-21T06:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-08-21T06:40:03] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T06:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-08-21T06:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2495
[2026-08-21T06:45:00] living_room_light | OnOff.OnOff = False
[2026-08-21T06:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2500
[2026-08-21T06:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2393
[2026-08-21T06:52:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T06:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2499
[2026-08-21T06:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2406
[2026-08-21T06:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-08-21T07:00:00] kitchen_light | OnOff.OnOff = False
[2026-08-21T07:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-08-21T07:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2409
[2026-08-21T07:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-08-21T07:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-21T07:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-21T07:00:03] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-08-21T07:00:03] front_door_lock | DoorLock.LockState = 2
[2026-08-21T07:00:03] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T07:00:05] front_door_contact | BooleanState.StateValue = False
[2026-08-21T07:00:06] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T07:00:06] front_door_contact | BooleanState.StateValue = True
[2026-08-21T07:00:07] front_door_lock | Event: LockOperation(LockOperationType=0, OperationSource=Manual)
[2026-08-21T07:00:07] front_door_lock | DoorLock.LockState = 1
[2026-08-21T07:01:40] bathroom_occupancy | OccupancySensing.Occupancy = 0

## 任务
请从下面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": 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: 正常样本是早起单次开关灯；异常样本在深夜短时反复切换。"
  ],
  "key_evidence": [
    "正常样本是早起单次开关灯；异常样本在深夜短时反复切换。"
  ],
  "recommended_actions": [
    "继续监测，无需立即处置。"
  ]
}

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "客厅温度传感器读数严重异常（约 24°C x 10），远超物理可能范围，且伴随厨房传感器数据丢失，表明存在严重的传感器故障或通信错误。",
  "reasoning": [
    "推理步骤 1: 分析日志发现 living_room_temp_sensor 在凌晨至清晨时段持续报告数值在 2424 到 2511 之间。考虑到 Matter 协议中温度通常以 0.01°C 为单位，该数值实际代表约 24.24°C 至 25.11°C，这在物理上是合理的室温；然而，若系统配置为整数单位（即直接代表摄氏度），则意味着室内温度高达 2400°C+，这显然不可能。结合上下文其他设备（如卧室 2367->23.67°C）的数值量级一致性判断，这里极有可能是**传感器固件 Bug、校准错误导致数值偏移了 100 倍，或者数据包解析错误**。",
    "推理步骤 2: 进一步观察 kitchen_temp_sensor，在 06:01:03 和 06:33:00 两次关键时间点（灶具开启前后）报告 `MeasuredValue = None`。对于独居老人家庭，烹饪时温度传感器失效会导致无法监控过热风险，属于安全隐患。",
    "推理步骤 3: 综合来看，虽然住户的活动模式（起床、洗漱、做饭、出门）符合正常逻辑，但核心环境感知设备（温度传感器）的数据质量完全不可信。这种大规模的数据异常（全房间温度读数畸变或丢失）不是单一事件，而是系统性故障，必须被标记为 sensor_malfunction 而非忽略。",
    "推理步骤 4: 尽管没有直接的入侵或火灾证据，但错误的温度读数可能导致空调误判（例如在高温读数下关闭制冷，或在低温读数下过度制冷），进而影响独居老人的居住安全和健康。"
  ],
  "key_evidence": [
    "living_room_temp_sensor 连续报告数值 >2400 (e.g., 2424, 2511)，若单位为摄氏度则物理上不可能，暗示传感器漂移或固件错误。",
    "kitchen_temp_sensor 在灶具操作期间（06:01, 06:33）多次返回 None，显示传感器功能间歇性丧失。",
    "所有房间的温度传感器在同一时间段内表现出非正常的数值特征（要么巨大偏移，要么丢失），排除了局部干扰的可能性。"
  ],
  "recommended_actions": [
    "立即检查并重置客厅及厨房的温度传感器，确认其固件版本是否更新或有已知 Bug。",
    "联系设备制造商或技术支持，报告传感器读数异常问题，可能需要硬件更换。",
    "在修复前，建议人工定期手动测量室内温度，以确保环境安全，防止因自动温控失效导致的极端温度情况。",
    "检查智能家居网关的网络连接状态，排除因数据包截断或解析错误导致的数值显示异常。"
  ]
}
```


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: living_room_light
- 已选事件数: 110

## 跨天活动摘要
- 2026-08-14: living_room=211, bedroom=241, kitchen=239, entrance=229, bathroom=57

## 设备事件日志
[2026-08-14T04:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2417
[2026-08-14T04:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2413
[2026-08-14T04:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T04:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2412
[2026-08-14T04:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2425
[2026-08-14T04:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-08-14T04:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-08-14T04:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-08-14T05:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-08-14T05:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T05:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-08-14T05:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-08-14T05:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2355
[2026-08-14T05:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2449
[2026-08-14T05:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-08-14T05:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2364
[2026-08-14T05:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-08-14T05:29:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T05:29:08] bedroom_light | OnOff.OnOff = True
[2026-08-14T05:29:10] bedroom_window | WindowCovering.CurrentPositionLiftPercent100ths = 0
[2026-08-14T05:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-08-14T05:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2458
[2026-08-14T05:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T05:30:00] kitchen_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T05:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T05:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T05:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2470
[2026-08-14T05:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2370
[2026-08-14T05:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2464
[2026-08-14T05:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2462
[2026-08-14T05:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2356
[2026-08-14T05:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2472
[2026-08-14T05:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2469
[2026-08-14T05:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2360
[2026-08-14T05:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2465
[2026-08-14T05:47:00] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T05:47:00] bathroom_light | OnOff.OnOff = True
[2026-08-14T05:49:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T05:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2477
[2026-08-14T05:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2361
[2026-08-14T05:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2463
[2026-08-14T05:55:00] bathroom_light | OnOff.OnOff = False
[2026-08-14T05:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2367
[2026-08-14T05:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2476
[2026-08-14T05:55:04] kitchen_light | OnOff.OnOff = True
[2026-08-14T05:55:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T05:55:34] kitchen_cook_surface | OnOff.OnOff = True
[2026-08-14T05:56:04] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-08-14T05:56:15] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T06:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2479
[2026-08-14T06:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2384
[2026-08-14T06:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T06:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T06:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2474
[2026-08-14T06:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2380
[2026-08-14T06:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2474
[2026-08-14T06:09:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T06:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2483
[2026-08-14T06:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2489
[2026-08-14T06:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2491
[2026-08-14T06:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2393
[2026-08-14T06:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2491
[2026-08-14T06:15:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T06:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2478
[2026-08-14T06:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2388
[2026-08-14T06:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2478
[2026-08-14T06:20:00] living_room_light | OnOff.OnOff = True
[2026-08-14T06:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-08-14T06:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2385
[2026-08-14T06:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-08-14T06:26:15] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T06:29:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T06:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2382
[2026-08-14T06:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2500
[2026-08-14T06:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T06:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T06:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2487
[2026-08-14T06:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2399
[2026-08-14T06:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-08-14T06:35:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T06:36:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-08-14T06:37:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-08-14T06:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-08-14T06:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2403
[2026-08-14T06:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2488
[2026-08-14T06:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2397
[2026-08-14T06:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2488
[2026-08-14T06:45:00] living_room_light | OnOff.OnOff = False
[2026-08-14T06:49:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T06:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2396
[2026-08-14T06:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-08-14T06:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2411
[2026-08-14T06:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-08-14T06:55:04] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T06:56:15] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T07:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-08-14T07:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2401
[2026-08-14T07:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-08-14T07:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T07:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T07:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-08-14T07:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2409
[2026-08-14T07:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-08-14T07:09:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T07:10:00] kitchen_light | OnOff.OnOff = False
[2026-08-14T07:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-08-14T07:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-08-14T07:10:05] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-08-14T07:10:05] front_door_lock | DoorLock.LockState = 2
[2026-08-14T07:10:07] front_door_contact | BooleanState.StateValue = False

## 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": 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: 正常样本是早起单次开关灯；异常样本在深夜短时反复切换。"
  ],
  "key_evidence": [
    "正常样本是早起单次开关灯；异常样本在深夜短时反复切换。"
  ],
  "recommended_actions": [
    "继续监测，无需立即处置。"
  ]
}

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "fire_risk",
  "threat_description": "检测到厨房灶具在无人看管的情况下长时间开启，且伴随温度异常升高，存在极高的火灾风险。",
  "reasoning": [
    "推理步骤 1: 时间线分析显示，独居老人在 05:55:34 开启了厨房灶具 (kitchen_cook_surface)，随后在 06:36:00 关闭。期间长达约 40 分钟无人操作或监控。",
    "推理步骤 2: 传感器数据表明，在烹饪期间及之后，厨房温度持续攀升（从 2449°C 升至 2514°C），且客厅和卧室温度也同步显著上升，符合热源持续释放的特征。",
    "推理步骤 3: 关键风险点在于，虽然老人最终关闭了灶具并离开厨房，但在 07:10:05 入户门锁被手动解锁（开门）时，厨房内仍可能存在余热积聚或残留火源隐患。对于独居老人而言，长时间无人看管的烹饪是最高危的安全场景之一。",
    "推理步骤 4: 尽管烟雾报警器未触发报警日志，但基于温度趋势和设备状态，必须将其判定为潜在的火险前兆或未遂事件，需立即干预以防万一。"
  ],
  "key_evidence": [
    "05:55:34 kitchen_cook_surface OnOff = True (开启)",
    "06:36:00 kitchen_cook_surface OnOff = False (关闭，间隔约 40 分钟)",
    "06:55:00 - 07:05:00 kitchen_temp_sensor MeasuredValue 持续上升至 2514 (单位推测为 mK 或特定协议编码，数值极高)",
    "07:10:05 front_door_lock LockOperation (老人出门)"
  ],
  "recommended_actions": [
    "立即通知住户或其紧急联系人，确认家中是否安全，无明火或浓烟。",
    "建议检查厨房区域是否有遗留火种或过热设备，确保通风良好。",
    "调整智能家居策略：设置‘灶具超时保护’规则，若灶具开启超过 15-20 分钟且检测到人员离开厨房，自动切断电源并发送警报。",
    "建议为独居老人安装带有语音提醒功能的智能灶具或定时断电插座，防止遗忘关火。"
  ]
}
```