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: 两室一厅 (2BR)
- 重点房间 living_room: 客厅主灯[dimmable_light], 客厅落地灯[onoff_light], 客厅空调[air_conditioner], 客厅温度传感器[temperature_sensor], 客厅运动传感器[occupancy_sensor], 客厅窗帘[window_covering], 客厅窗户传感器[contact_sensor]
- 房间 balcony: 阳台灯[onoff_light], 阳台门传感器[contact_sensor], 洗衣机[laundry_washer]
- 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 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], 厨房窗户传感器[contact_sensor], 洗碗机[dishwasher]
- 房间 master_bedroom: 主卧灯[dimmable_light], 主卧空调[air_conditioner], 主卧运动传感器[occupancy_sensor], 主卧窗帘[window_covering], 主卧窗户传感器[contact_sensor], 主卧温度传感器[temperature_sensor]
- 房间 second_bedroom: 次卧灯[dimmable_light], 次卧运动传感器[occupancy_sensor], 次卧窗帘[window_covering], 次卧窗户传感器[contact_sensor], 次卧温度传感器[temperature_sensor]

## 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: front_door_contact, kitchen_light, living_room_light_1
- 已选事件数: 110

## 跨天活动摘要
- 2026-07-24: living_room=115, entrance=233, master_bedroom=232, second_bedroom=48, bathroom=48, kitchen=12

## 设备事件日志
[2026-07-24T06:59:02] kitchen_light | OnOff.OnOff = True
[2026-07-24T07:10:03] kitchen_light | OnOff.OnOff = False
[2026-07-24T07:10:16] front_door_contact | BooleanState.StateValue = False
[2026-07-24T07:10:16] front_door_contact | BooleanState.StateValue = True
[2026-07-24T16:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2393
[2026-07-24T16:20:02] front_door_contact | BooleanState.StateValue = False
[2026-07-24T16:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2388
[2026-07-24T16:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2377
[2026-07-24T16:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-24T16:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2368
[2026-07-24T16:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2372
[2026-07-24T16:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2380
[2026-07-24T16:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2376
[2026-07-24T16:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2355
[2026-07-24T17:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2359
[2026-07-24T17:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-24T17:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2352
[2026-07-24T17:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2346
[2026-07-24T17:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2347
[2026-07-24T17:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2345
[2026-07-24T17:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2357
[2026-07-24T17:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2359
[2026-07-24T17:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2355
[2026-07-24T17:20:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T17:23:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T17:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2348
[2026-07-24T17:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2342
[2026-07-24T17:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2344
[2026-07-24T17:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2339
[2026-07-24T17:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2347
[2026-07-24T17:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2352
[2026-07-24T17:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2350
[2026-07-24T17:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-24T17:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-24T17:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-24T17:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2332
[2026-07-24T17:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2330
[2026-07-24T17:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2349
[2026-07-24T17:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2337
[2026-07-24T17:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2342
[2026-07-24T17:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2327
[2026-07-24T17:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2336
[2026-07-24T17:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2344
[2026-07-24T17:40:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T17:43:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T17:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2334
[2026-07-24T17:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2326
[2026-07-24T17:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2329
[2026-07-24T17:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2341
[2026-07-24T17:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2329
[2026-07-24T17:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2341
[2026-07-24T17:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2325
[2026-07-24T17:53:00] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-07-24T17:53:00] front_door_lock | DoorLock.LockState = 2
[2026-07-24T17:53:02] front_door_contact | BooleanState.StateValue = False
[2026-07-24T17:53:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T17:53:09] living_room_light_1 | OnOff.OnOff = True
[2026-07-24T17:53:11] living_room_ac | OnOff.OnOff = True
[2026-07-24T17:53:11] living_room_ac | Thermostat.SystemMode = 3
[2026-07-24T17:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2320
[2026-07-24T17:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2322
[2026-07-24T17:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2322
[2026-07-24T17:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2324
[2026-07-24T18:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2328
[2026-07-24T18:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2333
[2026-07-24T18:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2328
[2026-07-24T18:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2319
[2026-07-24T18:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-24T18:00:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-24T18:03:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T18:03:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T18:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2313
[2026-07-24T18:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2319
[2026-07-24T18:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2327
[2026-07-24T18:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2317
[2026-07-24T18:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2313
[2026-07-24T18:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2330
[2026-07-24T18:13:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T18:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2316
[2026-07-24T18:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2323
[2026-07-24T18:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2319
[2026-07-24T18:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2311
[2026-07-24T18:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2309
[2026-07-24T18:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2314
[2026-07-24T18:20:00] front_door_contact | BooleanState.StateValue = False
[2026-07-24T18:21:00] living_room_light_1 | OnOff.OnOff = True
[2026-07-24T18:23:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T18:23:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T18:24:00] kitchen_light | OnOff.OnOff = True
[2026-07-24T18:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2306
[2026-07-24T18:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2316
[2026-07-24T18:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2309
[2026-07-24T18:29:00] kitchen_light | OnOff.OnOff = True
[2026-07-24T18:29:30] kitchen_cook_surface | OnOff.OnOff = True
[2026-07-24T18:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-07-24T18:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2299
[2026-07-24T18:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2300
[2026-07-24T18:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2312
[2026-07-24T18:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-24T18:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-24T18:33:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T18:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2304
[2026-07-24T18:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2312
[2026-07-24T18:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2307
[2026-07-24T18:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2311
[2026-07-24T18:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2295
[2026-07-24T18:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2308
[2026-07-24T18:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2299
[2026-07-24T18:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2303
[2026-07-24T18:43:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1

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

请按以下 JSON 格式回答：

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

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

```json
{
  "is_anomaly": false,
  "confidence": "high",
  "threat_type": "none",
  "threat_description": "未检测到安全威胁，日志显示为正常的傍晚回家、开启空调照明及准备晚餐的家庭活动模式。",
  "reasoning": [
    "1. **入户行为分析**：17:53 门锁手动解锁（LockOperationType=1），随后门磁传感器显示关闭（StateValue=False，通常表示门已关或锁舌弹出导致接触断开，结合后续无持续报警判断为正常关门/上锁动作）。紧接着玄关和客厅 occupancy 传感器在 17:53-17:53:09 之间激活，符合住户回家的时间序列。",
    "2. **环境控制逻辑**：住户回家后（17:53），立即开启了客厅灯和空调（SystemMode=3 通常为制冷或制热，结合温度下降趋势看可能是制冷或刚启动），这是典型的回家舒适化操作，无异常。",
    "3. **烹饪活动验证**：18:24 厨房灯亮起，18:29 灶具开启。这发生在傍晚时段（18:30左右），符合家庭准备晚餐的习惯。虽然灶具开启后未见明显的烟雾报警器触发或长时间无人看管（日志截止于18:43，仅过去14分钟，属于正常烹饪初期），且厨房温度传感器读数稳定（2300-2312范围，无急剧升温报警），因此不构成火灾或未看管烹饪风险。",
    "4. **传感器数据一致性**：各房间温度传感器读数随时间缓慢变化，符合物理规律；Occupancy 传感器在人员移动时正确响应，无长时间静止导致的误报或漏报迹象。"
  ],
  "key_evidence": [
    "17:53:00 front_door_lock Event: LockOperation(LockOperationType=1, OperationSource=Manual) - 确认有人手动开门进入",
    "17:53:06 living_room_occupancy OccupancySensing.Occupancy = 1 - 确认人员进入客厅",
    "17:53:11 living_room_ac Thermostat.SystemMode = 3 - 回家后立即开启空调",
    "18:29:30 kitchen_cook_surface OnOff.OnOff = True - 傍晚时段开启灶具，符合晚餐准备场景"
  ],
  "recommended_actions": [
    "无需采取紧急行动。",
    "建议保持常规监控，确保灶具使用期间有人看护即可。"
  ]
}
```

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "客厅温度传感器读数异常（约 23.5°C - 24.0°C），远超正常室温范围，且与其他房间传感器数据不一致，疑似传感器故障或校准错误。",
  "reasoning": [
    "推理步骤 1: 分析日志发现，从 16:20 到 18:40，living_room_temp_sensor 报告的数值在 2346 到 2393 之间波动。Matter 协议中温度通常以 0.01°C 为单位，因此这些数值实际代表 23.46°C 至 23.93°C。",
    "推理步骤 2: 对比同一时间段内其他房间的温度传感器数据（如 master_bedroom、second_bedroom、kitchen），其读数均在 22.9°C 至 23.5°C 的正常舒适范围内，且变化趋势符合环境温度自然波动规律。",
    "推理步骤 3: 尽管空调已开启（SystemMode=3，通常为制冷模式），但客厅温度并未下降反而维持在较高水平，且该数值与其他所有传感器存在显著偏差（>1°C）。这种跨设备的不一致性排除了单纯的环境高温可能性，强烈指向 living_room_temp_sensor 硬件故障、电池电量不足导致的数据漂移或固件 Bug。"
  ],
  "key_evidence": [
    "living_room_temp_sensor 持续报告 >23.4°C 的异常高值，而其他卧室和厨房传感器在同一时间显示 <23.3°C。",
    "在客厅空调于 17:53 开启后，客厅温度读数未出现预期的下降趋势，反而保持高位震荡。",
    "温度读数的小数点位置暗示可能存在单位转换错误或传感器校准失效。"
  ],
  "recommended_actions": [
    "立即检查客厅温度传感器的电池电量及物理连接状态。",
    "尝试重置客厅温度传感器或与智能家居中枢重新配对以刷新固件。",
    "暂时依赖其他房间的温度数据作为参考，并手动监测客厅实际温度以防误判。",
    "联系设备制造商进行维修或更换故障传感器。"
  ]
}
```


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: 96

## 跨天活动摘要
- 2026-07-15: living_room=211, bedroom=241, kitchen=237, entrance=230, bathroom=62

## 设备事件日志
[2026-07-15T08:30:07] living_room_light | OnOff.OnOff = True
[2026-07-15T13:53:20] living_room_light | OnOff.OnOff = True
[2026-07-15T17:03:15] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T17:23:15] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T17:43:15] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T18:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2226
[2026-07-15T18:00:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T18:03:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T18:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2325
[2026-07-15T18:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2323
[2026-07-15T18:06:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T18:08:15] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T18:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2311
[2026-07-15T18:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2330
[2026-07-15T18:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2209
[2026-07-15T18:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2308
[2026-07-15T18:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2304
[2026-07-15T18:25:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T18:28:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T18:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2305
[2026-07-15T18:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2315
[2026-07-15T18:31:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T18:33:15] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T18:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2217
[2026-07-15T18:38:53] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-15T18:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2202
[2026-07-15T18:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2292
[2026-07-15T18:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2311
[2026-07-15T18:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2208
[2026-07-15T18:50:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T18:53:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T18:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2303
[2026-07-15T18:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2304
[2026-07-15T18:56:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T18:58:15] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T19:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2193
[2026-07-15T19:00:00] living_room_light | OnOff.OnOff = True
[2026-07-15T19:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2287
[2026-07-15T19:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2292
[2026-07-15T19:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2299
[2026-07-15T19:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2285
[2026-07-15T19:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2196
[2026-07-15T19:15:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T19:18:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T19:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2288
[2026-07-15T19:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2277
[2026-07-15T19:21:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T19:23:15] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T19:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2192
[2026-07-15T19:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2176
[2026-07-15T19:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2277
[2026-07-15T19:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2280
[2026-07-15T19:38:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T19:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2286
[2026-07-15T19:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2271
[2026-07-15T19:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2180
[2026-07-15T19:45:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T19:46:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T19:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2280
[2026-07-15T19:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2272
[2026-07-15T19:51:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T19:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2175
[2026-07-15T20:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2274
[2026-07-15T20:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2281
[2026-07-15T20:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2262
[2026-07-15T20:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2267
[2026-07-15T20:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2259
[2026-07-15T20:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2275
[2026-07-15T20:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2253
[2026-07-15T20:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2271
[2026-07-15T20:31:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T20:33:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T20:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2265
[2026-07-15T20:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2270
[2026-07-15T20:35:03] bathroom_light | OnOff.OnOff = True
[2026-07-15T20:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2160
[2026-07-15T20:40:03] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T20:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2168
[2026-07-15T20:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2166
[2026-07-15T20:51:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T20:53:00] bathroom_light | OnOff.OnOff = False
[2026-07-15T20:53:03] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T20:53:06] front_door_lock | Event: LockOperation(LockOperationType=0, OperationSource=Manual)
[2026-07-15T20:53:07] bedroom_light | OnOff.OnOff = True
[2026-07-15T20:53:22] bedroom_light | OnOff.OnOff = False
[2026-07-15T20:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2246
[2026-07-15T20:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2266
[2026-07-15T21:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2155
[2026-07-15T21:00:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T21:01:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T21:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2252
[2026-07-15T21:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2257
[2026-07-15T21:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2144
[2026-07-15T21:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2255
[2026-07-15T21:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2258
[2026-07-15T21:30:00] living_room_light | OnOff.OnOff = False

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

请按以下 JSON 格式回答：

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

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

```json
{
  "is_anomaly": 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傍晚至夜间时段的正常居家活动及环境数据记录。",
  "reasoning": [
    "1. **人员活动模式分析**：日志显示从17:03开始，客厅、卧室、厨房、玄关等多个区域频繁出现运动传感器触发（Occupancy=1），且伴随灯光开启/关闭（如19:00客厅灯亮，20:53卧室灯闪后灭）。这种多房间、持续性的活动轨迹符合老人在家中进行日常起居（如看电视、准备晚餐、洗漱、休息）的行为特征，无长时间静止或异常滞留迹象。",
    "2. **门锁状态分析**：20:53发生的入户门锁定事件（LockOperation Type=0 Manual Lock）发生在老人已在屋内活动数小时后，属于正常的睡前或离家前锁门行为，并非非法入侵或尾随进入。",
    "3. **环境与安全设备状态**：全时段内烟雾报警器、一氧化碳报警器、漏水传感器均无报警触发记录。温度传感器读数在合理范围内波动（约21-23°C），未见极端高温（火灾风险）或低温异常。",
    "4. **设备逻辑一致性**：虽然部分时间戳存在秒级差异（如20:53的多个事件），但这通常由不同设备时钟同步延迟或网络传输抖动引起，结合上下文（先开灯后关灯，随后锁门），逻辑上是连贯的睡前准备流程，非设备故障。"
  ],
  "key_evidence": [
    "17:03 - 20:53 期间，living_room, bedroom, kitchen, entrance 等多区域 occupancy_sensor 持续触发，表明有人在家活动。",
    "20:53:06 front_door_lock | Event: LockOperation(LockOperationType=0, OperationSource=Manual)，确认为手动上锁，且此时段室内有活动，属正常行为。",
    "全程无 smoke_co_alarm 或 water_leak_detector 报警信号。",
    "temperature_sensor 读数稳定在 2100-2330 (21-23.3°C) 之间，无异常高温。"
  ],
  "recommended_actions": [
    "无需采取紧急措施。",
    "建议定期校准各房间温度传感器以确保读数准确，并检查运动传感器的灵敏度设置是否适应老人的行动速度。"
  ]
}
```

{
  "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": [
    "正常样本只是晚间一次开关灯；异常样本短时间内重复高频操作。"
  ],
  "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: 两室一厅 (2BR)
- 重点房间 living_room: 客厅主灯[dimmable_light], 客厅落地灯[onoff_light], 客厅空调[air_conditioner], 客厅温度传感器[temperature_sensor], 客厅运动传感器[occupancy_sensor], 客厅窗帘[window_covering], 客厅窗户传感器[contact_sensor]
- 房间 balcony: 阳台灯[onoff_light], 阳台门传感器[contact_sensor], 洗衣机[laundry_washer]
- 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 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], 厨房窗户传感器[contact_sensor], 洗碗机[dishwasher]
- 房间 master_bedroom: 主卧灯[dimmable_light], 主卧空调[air_conditioner], 主卧运动传感器[occupancy_sensor], 主卧窗帘[window_covering], 主卧窗户传感器[contact_sensor], 主卧温度传感器[temperature_sensor]
- 房间 second_bedroom: 次卧灯[dimmable_light], 次卧运动传感器[occupancy_sensor], 次卧窗帘[window_covering], 次卧窗户传感器[contact_sensor], 次卧温度传感器[temperature_sensor]

## 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_1
- 已选事件数: 108

## 跨天活动摘要
- 2026-08-16: living_room=194, bathroom=56, entrance=51, master_bedroom=48, second_bedroom=48, kitchen=14

## 设备事件日志
[2026-08-16T10:12:07] living_room_light_1 | OnOff.OnOff = True
[2026-08-16T17:22:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T17:42:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T18:02:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T18:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2321
[2026-08-16T18:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2310
[2026-08-16T18:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2307
[2026-08-16T18:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2313
[2026-08-16T18:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2319
[2026-08-16T18:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2311
[2026-08-16T18:24:49] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T18:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2317
[2026-08-16T18:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2309
[2026-08-16T18:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2313
[2026-08-16T18:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2318
[2026-08-16T18:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T18:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T18:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2301
[2026-08-16T18:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2314
[2026-08-16T18:37:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T18:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2311
[2026-08-16T18:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2306
[2026-08-16T18:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2297
[2026-08-16T18:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2290
[2026-08-16T18:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2297
[2026-08-16T18:53:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-08-16T18:53:09] kitchen_dishwasher | OperationalState.OperationalState = 1
[2026-08-16T18:54:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-08-16T18:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2303
[2026-08-16T18:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2289
[2026-08-16T18:57:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T19:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2302
[2026-08-16T19:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2302
[2026-08-16T19:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T19:00:00] living_room_light_1 | OnOff.OnOff = True
[2026-08-16T19:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2296
[2026-08-16T19:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2291
[2026-08-16T19:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2293
[2026-08-16T19:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2287
[2026-08-16T19:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2286
[2026-08-16T19:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2286
[2026-08-16T19:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2277
[2026-08-16T19:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2280
[2026-08-16T19:22:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T19:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2284
[2026-08-16T19:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2275
[2026-08-16T19:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2291
[2026-08-16T19:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2277
[2026-08-16T19:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T19:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2281
[2026-08-16T19:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2274
[2026-08-16T19:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2285
[2026-08-16T19:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2274
[2026-08-16T19:42:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T19:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2276
[2026-08-16T19:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2269
[2026-08-16T19:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2278
[2026-08-16T19:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2283
[2026-08-16T20:02:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T20:22:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T20:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2254
[2026-08-16T20:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2267
[2026-08-16T20:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2257
[2026-08-16T20:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2267
[2026-08-16T20:47:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T20:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2247
[2026-08-16T20:54:49] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T20:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2252
[2026-08-16T20:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2252
[2026-08-16T21:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2266
[2026-08-16T21:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2256
[2026-08-16T21:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T21:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T21:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2263
[2026-08-16T21:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2264
[2026-08-16T21:07:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T21:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2244
[2026-08-16T21:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2245
[2026-08-16T21:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2262
[2026-08-16T21:24:49] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T21:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2249
[2026-08-16T21:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2262
[2026-08-16T21:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2253
[2026-08-16T21:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2244
[2026-08-16T21:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T21:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T21:30:00] living_room_light_1 | OnOff.OnOff = False
[2026-08-16T21:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2241
[2026-08-16T21:37:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T21:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2255
[2026-08-16T21:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2250
[2026-08-16T21:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2250
[2026-08-16T21:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2259
[2026-08-16T21:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2241
[2026-08-16T21:54:49] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T21:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2258
[2026-08-16T21:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2255
[2026-08-16T22:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2243
[2026-08-16T22:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2260
[2026-08-16T22:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T22:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T22:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2248
[2026-08-16T22:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2244
[2026-08-16T22:07:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T22:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2248
[2026-08-16T22:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2254
[2026-08-16T22:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2247
[2026-08-16T22:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2246

## 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，日志显示为正常的晚间家庭活动及传感器数据上报。",
  "reasoning": [
    "1. 人员活动模式正常：客厅运动传感器在17:22至22:07期间多次触发（Occupancy=1），符合住户在傍晚至夜间于客厅休闲、活动的习惯。主卧和玄关传感器在21:00-22:00左右显示无人（Occupancy=0），暗示住户可能已休息或离开该区域，行为逻辑连贯。",
    "2. 设备操作合理：厨房灶具在18:53关闭，随后洗碗机启动，符合晚餐后清理的常规流程。客厅主灯在19:00开启并在21:30关闭，符合晚间照明使用习惯。",
    "3. 传感器数据特征分析：温度读数（如2307, 2290等）数值较大，推测单位为0.1摄氏度（即约23.0°C, 22.9°C），处于舒适室温范围，无异常高温或低温报警。部分时刻出现None值可能是传感器短暂通信丢失或校准间隙，属于常见现象，未伴随其他故障迹象。",
    "4. 无入侵或危险迹象：入户门锁、窗户传感器及烟雾/漏水报警器在日志片段中未报告任何异常状态变化（如非法开锁、门窗长时间未关、烟雾浓度高等）。"
  ],
  "key_evidence": [
    "living_room_occupancy 在 17:22-22:07 期间多次变为 1，表明有人在家活动",
    "kitchen_cook_surface 在 18:53 关闭，随后 dishwasher 启动，符合生活逻辑",
    "living_room_light_1 在 19:00 开，21:30 关，符合晚间作息",
    "temperature_sensor 读数稳定在 22-23 度左右（假设单位0.1C），无极端值"
  ],
  "recommended_actions": [
    "无需采取紧急措施",
    "建议定期查看传感器电池电量以确保长期稳定性"
  ]
}
```

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "多个温度传感器报告了异常高的数值（约 2300-2321），这远超物理可能的室温范围，表明传感器数据严重漂移或设备故障。",
  "reasoning": [
    "推理步骤 1: 分析日志发现，从 18:10 开始，主卧、厨房、客厅和次卧的温度传感器连续报告数值在 2270 至 2321 之间。",
    "推理步骤 2: 这些数值（例如 2321）在物理上是不可能的，因为标准温度计无法测量如此高的摄氏度值（相当于 4000°F+），且随后数值逐渐下降但仍远高于正常室温（通常 20-25°C）。",
    "推理步骤 3: 这种持续性的、超出量程的读数模式不是环境变化能解释的，而是典型的传感器硬件故障、校准错误或固件 Bug 导致的'传感器漂移/故障'现象。虽然厨房灶具关闭了，但其他房间的高温读数与灶具状态无关，进一步证实是传感器本身的问题而非真实火灾风险。",
    "关键证据": [
      "[2026-08-16T18:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2321",
      "[2026-08-16T18:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2310"
    ],
    "recommended_actions": [
      "立即检查并重置所有受影响的温度传感器设备。",
      "如果重置无效，联系技术支持更换故障传感器。",
      "在修复前，暂时忽略基于这些错误温度数据的自动空调控制逻辑，以免导致能源浪费或舒适度问题。"
    ]
  }
}
```


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

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

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

## 家庭环境信息
家庭布局: 两室一厅 (2BR)
- 重点房间 living_room: 客厅主灯[dimmable_light], 客厅落地灯[onoff_light], 客厅空调[air_conditioner], 客厅温度传感器[temperature_sensor], 客厅运动传感器[occupancy_sensor], 客厅窗帘[window_covering], 客厅窗户传感器[contact_sensor]
- 房间 balcony: 阳台灯[onoff_light], 阳台门传感器[contact_sensor], 洗衣机[laundry_washer]
- 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 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], 厨房窗户传感器[contact_sensor], 洗碗机[dishwasher]
- 房间 master_bedroom: 主卧灯[dimmable_light], 主卧空调[air_conditioner], 主卧运动传感器[occupancy_sensor], 主卧窗帘[window_covering], 主卧窗户传感器[contact_sensor], 主卧温度传感器[temperature_sensor]
- 房间 second_bedroom: 次卧灯[dimmable_light], 次卧运动传感器[occupancy_sensor], 次卧窗帘[window_covering], 次卧窗户传感器[contact_sensor], 次卧温度传感器[temperature_sensor]

## 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_1
- 已选事件数: 125

## 跨天活动摘要
- 2026-08-29: living_room=50, master_bedroom=48, second_bedroom=48, bathroom=48, entrance=48

## 设备事件日志
[2026-08-29T17:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2349
[2026-08-29T17:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2355
[2026-08-29T17:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2347
[2026-08-29T17:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T17:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2341
[2026-08-29T17:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2344
[2026-08-29T17:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2330
[2026-08-29T17:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2332
[2026-08-29T17:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2338
[2026-08-29T18:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2327
[2026-08-29T18:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T18:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2326
[2026-08-29T18:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2312
[2026-08-29T18:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2314
[2026-08-29T18:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2329
[2026-08-29T18:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2324
[2026-08-29T18:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2316
[2026-08-29T18:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2322
[2026-08-29T18:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2325
[2026-08-29T18:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2319
[2026-08-29T18:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2308
[2026-08-29T18:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2308
[2026-08-29T18:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2306
[2026-08-29T18:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2306
[2026-08-29T18:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2313
[2026-08-29T18:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2304
[2026-08-29T18:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2307
[2026-08-29T18:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2308
[2026-08-29T18:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2304
[2026-08-29T18:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2310
[2026-08-29T18:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2308
[2026-08-29T18:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2312
[2026-08-29T18:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T18:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T18:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T18:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T18:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T18:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2299
[2026-08-29T18:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2316
[2026-08-29T18:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2314
[2026-08-29T18:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2314
[2026-08-29T18:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2298
[2026-08-29T18:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2310
[2026-08-29T18:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2296
[2026-08-29T18:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2296
[2026-08-29T18:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2301
[2026-08-29T18:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2299
[2026-08-29T18:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2295
[2026-08-29T18:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2293
[2026-08-29T18:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2309
[2026-08-29T18:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2302
[2026-08-29T18:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2300
[2026-08-29T18:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2303
[2026-08-29T18:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2299
[2026-08-29T18:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2304
[2026-08-29T19:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2288
[2026-08-29T19:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2291
[2026-08-29T19:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2284
[2026-08-29T19:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2291
[2026-08-29T19:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T19:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T19:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T19:00:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T19:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T19:00:00] living_room_light_1 | OnOff.OnOff = True
[2026-08-29T19:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2291
[2026-08-29T19:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2286
[2026-08-29T19:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2287
[2026-08-29T19:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2286
[2026-08-29T19:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2290
[2026-08-29T19:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2296
[2026-08-29T19:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2287
[2026-08-29T19:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2283
[2026-08-29T19:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2297
[2026-08-29T19:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2281
[2026-08-29T19:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2292
[2026-08-29T19:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2281
[2026-08-29T19:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2277
[2026-08-29T19:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2287
[2026-08-29T19:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2286
[2026-08-29T19:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2288
[2026-08-29T19:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2274
[2026-08-29T19:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2278
[2026-08-29T19:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T19:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T19:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T19:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T19:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T19:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2270
[2026-08-29T19:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2272
[2026-08-29T19:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2275
[2026-08-29T19:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2280
[2026-08-29T19:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2269
[2026-08-29T19:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2270
[2026-08-29T19:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2273
[2026-08-29T19:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2278
[2026-08-29T19:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2270
[2026-08-29T19:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2282
[2026-08-29T19:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2270
[2026-08-29T19:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2277
[2026-08-29T19:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2264
[2026-08-29T20:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T20:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2279
[2026-08-29T20:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2270
[2026-08-29T20:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2274
[2026-08-29T20:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2266
[2026-08-29T20:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2261
[2026-08-29T20:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T20:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2263
[2026-08-29T20:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2252
[2026-08-29T20:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2268
[2026-08-29T20:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2264
[2026-08-29T20:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2259
[2026-08-29T20:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2262
[2026-08-29T20:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2262
[2026-08-29T20:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2256
[2026-08-29T20:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2255
[2026-08-29T20:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2261
[2026-08-29T20:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2250
[2026-08-29T20:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2251
[2026-08-29T20:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2265
[2026-08-29T20:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2249
[2026-08-29T20:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2253
[2026-08-29T20:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2257
[2026-08-29T21:30:00] living_room_light_1 | OnOff.OnOff = False

## 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: 正常样本只是晚间一次开关灯；异常样本短时间内重复高频操作。"
  ],
  "key_evidence": [
    "正常样本只是晚间一次开关灯；异常样本短时间内重复高频操作。"
  ],
  "recommended_actions": [
    "继续监测，无需立即处置。"
  ]
}

{
  "is_anomaly": true,
  "confidence": "medium",
  "threat_type": "intrusion",
  "threat_description": "这些变化表明存在安全异常。",
  "reasoning": [
    "推理步骤1: 我把本可由正常模式解释的事件误判成了异常。"
  ],
  "key_evidence": [
    "正常样本只是晚间一次开关灯；异常样本短时间内重复高频操作。"
  ],
  "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: 三室两厅 (3BR)
- 重点房间 living_room: 客厅主灯[dimmable_light], 客厅副灯[dimmable_light], 客厅氛围灯[onoff_light], 客厅空调[air_conditioner], 客厅温度传感器[temperature_sensor], 客厅运动传感器[occupancy_sensor], 客厅窗帘1[window_covering], 客厅窗户传感器1[contact_sensor], ... 共10个设备
- 房间 balcony: 阳台灯[onoff_light], 阳台门传感器[contact_sensor], 洗衣机[laundry_washer]
- 房间 dining_room: 餐厅灯[dimmable_light], 餐厅运动传感器[occupancy_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 kids_room: 儿童房灯[dimmable_light], 儿童房运动传感器[occupancy_sensor], 儿童房窗帘[window_covering], 儿童房窗户传感器[contact_sensor], 儿童房温度传感器[temperature_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], 厨房窗户传感器[contact_sensor], 洗碗机[dishwasher], 厨房漏水传感器[water_leak_detector]
- 房间 master_bathroom: 主卫灯[onoff_light], 主卫运动传感器[occupancy_sensor], 主卫漏水传感器[water_leak_detector]
- 房间 master_bedroom: 主卧灯[dimmable_light], 主卧床头灯[onoff_light], 主卧空调[air_conditioner], 主卧运动传感器[occupancy_sensor], 主卧窗帘[window_covering], 主卧窗户传感器[contact_sensor], 主卧温度传感器[temperature_sensor]
- 房间 second_bathroom: 次卫灯[onoff_light], 次卫漏水传感器[water_leak_detector]
- 房间 second_bedroom: 次卧灯[dimmable_light], 次卧空调[air_conditioner], 次卧运动传感器[occupancy_sensor], 次卧窗帘[window_covering], 次卧窗户传感器[contact_sensor]

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ4
- 重点房间: living_room
- 重点设备: kitchen_light, living_room_occupancy
- 已选事件数: 129

## 跨天活动摘要
- 2026-07-15: living_room=117, master_bedroom=233, kids_room=231, entrance=227, dining_room=221, master_bathroom=58
- 2026-07-16: living_room=115, master_bedroom=229, entrance=229, kids_room=228, dining_room=220, master_bathroom=55
- 2026-07-17: living_room=110, master_bedroom=232, kids_room=230, entrance=229, dining_room=221, master_bathroom=52

## 设备事件日志
[2026-07-15T00:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-15T06:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2491
[2026-07-15T06:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2489
[2026-07-15T07:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-07-15T07:00:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-15T07:01:05] kitchen_light | OnOff.OnOff = True
[2026-07-15T07:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-07-15T07:08:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T07:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-07-15T07:10:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T07:15:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-07-15T07:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-07-15T07:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-07-15T07:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-07-15T07:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-15T07:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-07-15T07:38:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T07:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-07-15T07:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-07-15T07:45:10] kitchen_light | OnOff.OnOff = False
[2026-07-15T07:45:18] front_door_contact | BooleanState.StateValue = False
[2026-07-15T07:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-07-15T07:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-07-15T07:55:19] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T08:00:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-15T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T08:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-07-15T08:08:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T08:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-15T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-15T08:15:19] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T08:20:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-15T08:24:08] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T08:25:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T08:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-15T08:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-15T08:35:19] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T08:40:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-15T08:44:08] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T08:45:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T08:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-15T08:53:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-15T08:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-15T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-15T09:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-15T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-15T10:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-16T07:30:06] kitchen_light | OnOff.OnOff = False
[2026-07-16T10:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-07-16T11:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-16T11:10:45] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-16T11:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-16T11:18:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-16T11:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-16T11:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-16T11:27:03] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-16T11:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-16T11:35:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-07-16T11:39:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-16T11:40:33] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-16T11:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-07-16T11:47:03] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-16T11:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-07-16T12:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-16T12:00:33] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-16T12:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-07-16T12:08:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-16T12:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-07-16T12:10:00] kitchen_light | OnOff.OnOff = True
[2026-07-16T12:14:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-16T12:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-07-16T12:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-07-16T12:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-07-16T12:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-16T12:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-07-16T12:37:03] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-16T12:40:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-07-16T12:43:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-16T12:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-07-16T12:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-07-16T12:55:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-07-16T12:59:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-16T13:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-16T13:05:33] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-16T13:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-07-16T13:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2484
[2026-07-16T13:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2487
[2026-07-16T14:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2481
[2026-07-17T06:41:06] kitchen_light | OnOff.OnOff = True
[2026-07-17T16:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2367
[2026-07-17T17:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2361
[2026-07-17T17:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2350
[2026-07-17T17:41:08] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T17:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2327
[2026-07-17T17:47:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T17:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2338
[2026-07-17T17:54:06] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T18:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2326
[2026-07-17T18:01:08] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T18:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2317
[2026-07-17T18:09:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T18:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2327
[2026-07-17T18:14:06] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T18:16:00] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-07-17T18:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2317
[2026-07-17T18:21:08] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T18:25:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2311
[2026-07-17T18:27:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T18:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2306
[2026-07-17T18:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2300
[2026-07-17T18:39:06] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T18:40:00] kitchen_light | OnOff.OnOff = True
[2026-07-17T18:41:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T18:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2300
[2026-07-17T18:51:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T18:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2290
[2026-07-17T18:56:08] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T19:00:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2299
[2026-07-17T19:05:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2287
[2026-07-17T19:07:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T19:09:30] kitchen_window_contact | BooleanState.StateValue = False
[2026-07-17T19:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2284
[2026-07-17T19:14:06] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T19:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2291
[2026-07-17T19:19:07] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T19:21:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T19:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2283
[2026-07-17T19:26:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T19:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2290

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

请按以下 JSON 格式回答：

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

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

```json
{
  "is_anomaly": false,
  "confidence": "high",
  "threat_type": "none",
  "threat_description": "未检测到安全威胁，所有设备状态变化符合正常家庭作息规律。",
  "reasoning": [
    "1. **活动模式分析**：日志显示家庭成员在早晨（07:00-09:00）陆续起床并活动于客厅、餐厅和儿童房，中午至下午有间歇性活动，傍晚（18:00后）再次活跃。这种时间分布符合典型的居家生活节奏，无异常长时间静止或深夜非法入侵迹象。",
    "2. **关键设备行为验证**：厨房灯在07:01开启并在07:45关闭，随后在12:10和18:40再次开启，这与早餐准备、午餐及晚餐时间段吻合，未发现无人看管的烹饪风险（如长时间开启灶具或灯光）。",
    "3. **传感器数据合理性**：温度传感器读数随时间自然波动（例如从清晨的~24.9°C逐渐上升至午间峰值，再随空调或通风降至晚间~22.8°C），数值变化平滑且符合物理规律，排除了传感器故障或漂移的可能性。",
    "4. **安防状态检查**：入户门锁仅在18:16有一次手动开锁记录，伴随玄关运动传感器激活，属于正常的归家行为。门窗传感器状态正常，未出现异常开启或持续开启报警。"
  ],
  "key_evidence": [
    "厨房灯开关时间与日常用餐习惯一致 (07:01, 12:10, 18:40)",
    "温度传感器读数变化连续且符合昼夜温差逻辑 (24.9°C -> 25.5°C -> 22.8°C)",
    "入户门锁仅在傍晚18:16手动开启，伴随人员进入轨迹"
  ],
  "recommended_actions": [
    "继续保持当前监控策略，无需干预。",
    "建议定期校准温度传感器以确保长期数据准确性。"
  ]
}
```

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "intrusion",
  "threat_description": "检测到疑似非法入侵：在住户正常离家（门锁锁定）后，厨房窗户传感器被触发打开，且随后有人员活动迹象。",
  "reasoning": [
    "推理步骤 1: 时间线分析显示，2026-07-17T18:16:00 入户门锁执行了手动上锁操作 (LockOperationType=1)，表明住户已确认离开并锁好家门。",
    "推理步骤 2: 然而，在锁门约 34 分钟后 (19:09:30)，厨房窗户接触传感器状态变为 False (StateValue=False)，表示窗户被打开。此时家中其他区域（如客厅、主卧）的占用传感器仍显示有人或刚有人进入，但结合之前的锁门行为，这极可能是外部人员通过窗户进入室内。",
    "推理步骤 3: 窗户打开后不久 (19:14:06, 19:21:03)，玄关和餐厅的占用传感器再次检测到人员活动，且温度传感器读数稳定，符合有人进入室内的特征。这种‘先锁门 -> 后开窗 -> 再出现人员’的模式是典型的尾随或攀爬入室入侵特征。"
  ],
  "key_evidence": [
    "2026-07-17T18:16:00 front_door_lock: Manual Lock Operation (住户主动锁门)",
    "2026-07-17T19:09:30 kitchen_window_contact: StateValue = False (窗户被打开，发生在锁门后 50 分钟)"
  ],
  "recommended_actions": [
    "立即联系当地警方报告可疑入侵事件。",
    "检查厨房窗户的物理锁具是否完好，并考虑安装额外的窗户警报器或防爬刺。",
    "审查家庭安防摄像头的录像（如果可用），以确认入侵者身份和具体路径。",
    "暂时将厨房窗户设置为‘常开报警’模式，直到安全威胁解除。"
  ]
}
```


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: 三室两厅 (3BR)
- 重点房间 living_room: 客厅主灯[dimmable_light], 客厅副灯[dimmable_light], 客厅氛围灯[onoff_light], 客厅空调[air_conditioner], 客厅温度传感器[temperature_sensor], 客厅运动传感器[occupancy_sensor], 客厅窗帘1[window_covering], 客厅窗户传感器1[contact_sensor], ... 共10个设备
- 房间 balcony: 阳台灯[onoff_light], 阳台门传感器[contact_sensor], 洗衣机[laundry_washer]
- 房间 dining_room: 餐厅灯[dimmable_light], 餐厅运动传感器[occupancy_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 kids_room: 儿童房灯[dimmable_light], 儿童房运动传感器[occupancy_sensor], 儿童房窗帘[window_covering], 儿童房窗户传感器[contact_sensor], 儿童房温度传感器[temperature_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], 厨房窗户传感器[contact_sensor], 洗碗机[dishwasher], 厨房漏水传感器[water_leak_detector]
- 房间 master_bathroom: 主卫灯[onoff_light], 主卫运动传感器[occupancy_sensor], 主卫漏水传感器[water_leak_detector]
- 房间 master_bedroom: 主卧灯[dimmable_light], 主卧床头灯[onoff_light], 主卧空调[air_conditioner], 主卧运动传感器[occupancy_sensor], 主卧窗帘[window_covering], 主卧窗户传感器[contact_sensor], 主卧温度传感器[temperature_sensor]
- 房间 second_bathroom: 次卫灯[onoff_light], 次卫漏水传感器[water_leak_detector]
- 房间 second_bedroom: 次卧灯[dimmable_light], 次卧空调[air_conditioner], 次卧运动传感器[occupancy_sensor], 次卧窗帘[window_covering], 次卧窗户传感器[contact_sensor]

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ3
- 重点房间: living_room
- 重点设备: front_door_contact, kitchen_light, living_room_light_1
- 已选事件数: 91

## 跨天活动摘要
- 2026-08-18: living_room=116, entrance=230, master_bedroom=229, kids_room=228, dining_room=220, master_bathroom=55

## 设备事件日志
[2026-08-18T06:40:10] kitchen_light | OnOff.OnOff = True
[2026-08-18T07:30:06] kitchen_light | OnOff.OnOff = False
[2026-08-18T07:30:32] front_door_contact | BooleanState.StateValue = False
[2026-08-18T07:30:39] front_door_contact | BooleanState.StateValue = True
[2026-08-18T16:22:02] front_door_contact | BooleanState.StateValue = False
[2026-08-18T16:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2383
[2026-08-18T16:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2367
[2026-08-18T16:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2358
[2026-08-18T16:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2369
[2026-08-18T17:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2370
[2026-08-18T17:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T17:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2366
[2026-08-18T17:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2348
[2026-08-18T17:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2354
[2026-08-18T17:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2345
[2026-08-18T17:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2347
[2026-08-18T17:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2335
[2026-08-18T17:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2334
[2026-08-18T17:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2335
[2026-08-18T17:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2346
[2026-08-18T17:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T17:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T17:32:02] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T17:32:03] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T17:32:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T17:34:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T17:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2334
[2026-08-18T17:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2340
[2026-08-18T17:35:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2341
[2026-08-18T17:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2348
[2026-08-18T17:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2333
[2026-08-18T17:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2332
[2026-08-18T17:40:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2327
[2026-08-18T17:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2334
[2026-08-18T17:40:45] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T17:45:00] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-08-18T17:45:00] front_door_lock | DoorLock.LockState = 2
[2026-08-18T17:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2325
[2026-08-18T17:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2344
[2026-08-18T17:45:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2329
[2026-08-18T17:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2336
[2026-08-18T17:45:02] front_door_contact | BooleanState.StateValue = False
[2026-08-18T17:45:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T17:45:13] living_room_light_1 | OnOff.OnOff = True
[2026-08-18T17:45:23] living_room_ac | OnOff.OnOff = True
[2026-08-18T17:45:23] living_room_ac | Thermostat.SystemMode = 3
[2026-08-18T17:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2340
[2026-08-18T17:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2326
[2026-08-18T17:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2339
[2026-08-18T17:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2322
[2026-08-18T17:52:02] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T17:52:03] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T17:54:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T17:55:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2330
[2026-08-18T17:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2331
[2026-08-18T17:55:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T18:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2319
[2026-08-18T18:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2318
[2026-08-18T18:00:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2334
[2026-08-18T18:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T18:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2324
[2026-08-18T18:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2327
[2026-08-18T18:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2333
[2026-08-18T18:05:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T18:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2318
[2026-08-18T18:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2330
[2026-08-18T18:10:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2314
[2026-08-18T18:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2325
[2026-08-18T18:10:45] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-18T18:12:02] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T18:12:03] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T18:13:00] kitchen_light | OnOff.OnOff = True
[2026-08-18T18:13:30] kitchen_cook_surface | OnOff.OnOff = True
[2026-08-18T18:14:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-08-18T18:14:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T18:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2322
[2026-08-18T18:15:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2313
[2026-08-18T18:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2317
[2026-08-18T18:15:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T18:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2321
[2026-08-18T18:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2322
[2026-08-18T18:20:00] front_door_contact | BooleanState.StateValue = False
[2026-08-18T18:21:00] living_room_light_1 | OnOff.OnOff = True
[2026-08-18T18:24:00] kitchen_light | OnOff.OnOff = True
[2026-08-18T18:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2314
[2026-08-18T18:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2307
[2026-08-18T18:25:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2316
[2026-08-18T18:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2315
[2026-08-18T18:25:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-18T18:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2304
[2026-08-18T18:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2303

## 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模式，日志显示为正常的家庭晚间活动序列。",
  "reasoning": [
    "1. **入户行为分析**：17:45左右，前门门锁执行了手动上锁操作（LockState=2），随后前门接触传感器显示关闭（False）。紧接着在17:45:07，客厅 occupancy 传感器检测到有人（Value=1），且客厅主灯和空调开启。这符合住户下班回家、进门后开灯并调节室温的正常生活逻辑。",
    "2. **烹饪活动分析**：18:13厨房灯亮起，18:13:30灶具开启。这是典型的晚餐准备场景。虽然日志中未直接显示烟雾报警器触发或漏水传感器报警，但时间窗口较短（仅记录到18:30），且无其他危险信号，属于正常烹饪行为。",
    "3. **人员分布与设备联动**：从17:32开始，多个房间（儿童房、餐厅、玄关、主卧）的 occupancy 传感器陆续变为1，表明家庭成员分散在家中不同区域活动。18:00后次卧 occupancy 为0，符合无人居住状态。各房间温度传感器读数在23-24摄氏度之间波动，数值合理（Matter协议中通常为十分之一摄氏度，即23.0-24.0°C），无传感器故障迹象。",
    "4. **排除误报**：前门接触传感器在16:22曾短暂变为False（可能为误触或测试，或之前未完全闭合），但在17:45的离家/归家序列中表现正常。厨房温度传感器在18:14出现None值，可能是数据上报延迟或瞬时丢失，不影响整体安全判断，且后续有恢复趋势或未被标记为持续故障。"
  ],
  "key_evidence": [
    "17:45:00 front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual) - 确认住户手动锁门",
    "17:45:07 living_room_occupancy | OccupancySensing.Occupancy = 1 - 确认有人进入客厅",
    "17:45:13 living_room_light_1 | OnOff.OnOff = True - 灯光随人员活动开启",
    "18:13:30 kitchen_cook_surface | OnOff.OnOff = True - 正常烹饪行为",
    "各房间温度读数稳定在2300-2400范围内，无极端值"
  ],
  "recommended_actions": [
    "无需采取紧急措施。",
    "建议继续监控厨房区域，确保烹饪结束后灶具自动关闭或有人工确认关闭，以防遗忘。"
  ]
}
```

{
  "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": [
    "正常样本回家后有客厅/厨房过渡活动；异常样本直接进入卧室。"
  ],
  "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: 一室一厅 (Studio/1BR)
- 重点房间 living_room: 客厅主灯[dimmable_light], 客厅台灯[onoff_light], 客厅空调[air_conditioner], 客厅温度传感器[temperature_sensor], 客厅运动传感器[occupancy_sensor], 客厅窗帘[window_covering], 客厅窗户传感器[contact_sensor]
- 房间 bathroom: 卫生间灯[onoff_light], 卫生间运动传感器[occupancy_sensor], 卫生间漏水传感器[water_leak_detector]
- 房间 bedroom: 卧室灯[dimmable_light], 卧室运动传感器[occupancy_sensor], 卧室窗帘[window_covering], 卧室窗户传感器[contact_sensor], 卧室温度传感器[temperature_sensor]
- 房间 entrance: 入户门锁[door_lock], 入户门传感器[contact_sensor], 玄关灯[onoff_light]
- 房间 kitchen: 厨房灯[onoff_light], 厨房灶具[cook_surface], 厨房烟雾报警器[smoke_co_alarm], 厨房温度传感器[temperature_sensor], 厨房窗户传感器[contact_sensor], 洗碗机[dishwasher]

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ3
- 重点房间: living_room
- 重点设备: living_room_light_1
- 已选事件数: 93

## 跨天活动摘要
- 2026-08-16: living_room=198, bedroom=209, bathroom=57, kitchen=14, entrance=3

## 设备事件日志
[2026-08-16T09:50:07] living_room_light_1 | OnOff.OnOff = True
[2026-08-16T17:20:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T17:40:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T18:00:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T18:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2313
[2026-08-16T18:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2327
[2026-08-16T18:11:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T18:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2209
[2026-08-16T18:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2320
[2026-08-16T18:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2316
[2026-08-16T18:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2322
[2026-08-16T18:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2320
[2026-08-16T18:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2207
[2026-08-16T18:30:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T18:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2316
[2026-08-16T18:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2308
[2026-08-16T18:36:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T18:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2194
[2026-08-16T18:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2292
[2026-08-16T18:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2310
[2026-08-16T18:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2202
[2026-08-16T18:50:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T18:53:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-08-16T18:53:11] kitchen_dishwasher | OperationalState.OperationalState = 1
[2026-08-16T18:54:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-08-16T18:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2307
[2026-08-16T18:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2297
[2026-08-16T18:56:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T19:00:00] living_room_light_1 | OnOff.OnOff = True
[2026-08-16T19:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2286
[2026-08-16T19:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2193
[2026-08-16T19:10:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T19:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2284
[2026-08-16T19:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2292
[2026-08-16T19:16:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T19:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2180
[2026-08-16T19:24:52] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T19:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2182
[2026-08-16T19:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2286
[2026-08-16T19:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2279
[2026-08-16T19:35:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T19:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2270
[2026-08-16T19:41:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T19:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2170
[2026-08-16T19:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2282
[2026-08-16T19:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2269
[2026-08-16T19:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2262
[2026-08-16T20:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2266
[2026-08-16T20:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2279
[2026-08-16T20:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2259
[2026-08-16T20:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2268
[2026-08-16T20:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2263
[2026-08-16T20:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2262
[2026-08-16T20:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2254
[2026-08-16T20:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2261
[2026-08-16T20:41:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T20:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2154
[2026-08-16T20:45:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T20:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2259
[2026-08-16T20:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2253
[2026-08-16T20:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2261
[2026-08-16T20:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2255
[2026-08-16T21:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2147
[2026-08-16T21:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2255
[2026-08-16T21:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2254
[2026-08-16T21:06:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T21:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2158
[2026-08-16T21:10:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T21:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2243
[2026-08-16T21:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2243
[2026-08-16T21:24:52] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T21:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2145
[2026-08-16T21:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2257
[2026-08-16T21:30:00] living_room_light_1 | OnOff.OnOff = False
[2026-08-16T21:31:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T21:35:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T21:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2248
[2026-08-16T21:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2254
[2026-08-16T21:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2154
[2026-08-16T21:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2249
[2026-08-16T21:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2243
[2026-08-16T21:51:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T21:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2250
[2026-08-16T22:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2159
[2026-08-16T22:00:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T22:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2258
[2026-08-16T22:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2244
[2026-08-16T22:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2257
[2026-08-16T22:16:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T22:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2158
[2026-08-16T22:20:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T22:40:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-16T23:00:00] living_room_occupancy | OccupancySensing.Occupancy = 1

## 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模式，所有设备状态变化符合正常住户晚间活动规律。",
  "reasoning": [
    "1. 活动模式分析：日志显示从 17:20 开始，客厅（living_room）持续有人活动（Occupancy=1），直至深夜 23:00。这符合典型的居家晚间休闲、看电视或阅读的习惯。卧室（bedroom）在 18:11 至 22:16 期间也有间歇性活动记录，表明可能有第二人在卧室活动或主人频繁进出卧室，属于正常家庭互动。",
    "2. 厨房安全验证：18:53 灶具关闭，随后洗碗机启动（18:54），这是典型的晚餐后清洁流程。虽然中间有一次厨房温度传感器读数丢失（18:54:00），但随后立即恢复正常读数，且无烟雾报警触发，排除火灾风险。",
    "3. 传感器数据合理性：温度读数（如 2313 代表 23.13°C）随时间缓慢下降，符合夜间环境温度自然降低或空调调节后的趋势，无剧烈跳变或漂移现象。卫生间运动传感器在 19:24 和 21:24 显示无人（0），符合短暂使用后的离开行为。",
    "4. 照明与能耗逻辑：客厅灯在 09:50 开启（早晨），19:00 再次开启（傍晚/夜间），21:30 关闭（准备休息）。这种开关灯时间与 occupancy 传感器的人体存在情况高度吻合，没有发现长时间无人却开灯，或有人却不开灯的异常情况。"
  ],
  "key_evidence": [
    "客厅 Occupancy 传感器在 17:20-23:00 期间持续为 1，确认住户在家。",
    "厨房 Cook Surface 在 18:53 关闭，随后 Dishwasher 启动，符合正常餐后清理逻辑。",
    "Living Room Light 的开关时间与人员活动及时间段（早/晚）匹配，无异常长亮。",
    "各房间温度传感器读数平稳，无突变或故障迹象。"
  ],
  "recommended_actions": [
    "无需采取任何安全措施。",
    "建议继续保持当前的自动化规则，以优化能源使用和居住舒适度。"
  ]
}
```

{
  "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": [
    "正常样本只是晚间一次开关灯；异常样本短时间内重复高频操作。"
  ],
  "recommended_actions": [
    "建议立即检查并触发安全响应。"
  ]
}