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: 106

## 跨天活动摘要
- 2026-08-04: living_room=114, bathroom=221, bedroom=67, entrance=14, kitchen=8

## 设备事件日志
[2026-08-04T17:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2349
[2026-08-04T17:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2347
[2026-08-04T17:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2342
[2026-08-04T17:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2331
[2026-08-04T17:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2324
[2026-08-04T18:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T18:09:24] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T18:09:41] living_room_ac | OnOff.OnOff = True
[2026-08-04T18:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2321
[2026-08-04T18:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2321
[2026-08-04T18:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2215
[2026-08-04T18:15:06] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T18:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2308
[2026-08-04T18:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2316
[2026-08-04T18:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2220
[2026-08-04T18:29:24] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T18:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2219
[2026-08-04T18:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2315
[2026-08-04T18:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2310
[2026-08-04T18:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2207
[2026-08-04T18:40:06] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T18:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2296
[2026-08-04T18:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2293
[2026-08-04T18:49:24] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T18:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2203
[2026-08-04T18:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2287
[2026-08-04T18:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2292
[2026-08-04T18:57:43] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T19:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2294
[2026-08-04T19:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2353
[2026-08-04T19:00:00] living_room_light_1 | OnOff.OnOff = True
[2026-08-04T19:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2194
[2026-08-04T19:05:06] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T19:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2288
[2026-08-04T19:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2484
[2026-08-04T19:14:00] kitchen_light | OnOff.OnOff = True
[2026-08-04T19:14:30] kitchen_cook_surface | OnOff.OnOff = True
[2026-08-04T19:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2292
[2026-08-04T19:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-04T19:19:24] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T19:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2193
[2026-08-04T19:25:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-08-04T19:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2187
[2026-08-04T19:25:06] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T19:26:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-08-04T19:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2179
[2026-08-04T19:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2271
[2026-08-04T19:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2686
[2026-08-04T19:39:24] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T19:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2180
[2026-08-04T19:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2273
[2026-08-04T19:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2633
[2026-08-04T19:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2167
[2026-08-04T19:59:24] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T20:23:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T20:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2152
[2026-08-04T20:40:06] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T20:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2252
[2026-08-04T20:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2260
[2026-08-04T20:48:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T20:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2159
[2026-08-04T20:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2256
[2026-08-04T20:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2257
[2026-08-04T20:57:43] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T21:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2260
[2026-08-04T21:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2266
[2026-08-04T21:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2160
[2026-08-04T21:05:06] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T21:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2245
[2026-08-04T21:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2262
[2026-08-04T21:13:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T21:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2154
[2026-08-04T21:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2263
[2026-08-04T21:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2252
[2026-08-04T21:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2161
[2026-08-04T21:25:06] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T21:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2159
[2026-08-04T21:30:00] living_room_light_1 | OnOff.OnOff = False
[2026-08-04T21:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2241
[2026-08-04T21:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2261
[2026-08-04T21:38:09] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T21:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2259
[2026-08-04T21:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2241
[2026-08-04T21:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2144
[2026-08-04T21:50:06] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T21:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2244
[2026-08-04T21:57:43] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T22:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2240
[2026-08-04T22:02:00] living_room_light_1 | OnOff.OnOff = False
[2026-08-04T22:02:09] living_room_ac | OnOff.OnOff = False
[2026-08-04T22:02:25] bedroom_light | OnOff.OnOff = True
[2026-08-04T22:02:37] front_door_contact | BooleanState.StateValue = True
[2026-08-04T22:02:38] front_door_lock | DoorLock.LockState = 1
[2026-08-04T22:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2255
[2026-08-04T22:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2246
[2026-08-04T22:07:18] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T22:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2252
[2026-08-04T22:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2260
[2026-08-04T22:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2249
[2026-08-04T22:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2245
[2026-08-04T22:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2254
[2026-08-04T22:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2259
[2026-08-04T22:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2242
[2026-08-04T22:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2244
[2026-08-04T22:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2259
[2026-08-04T22:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2250

## 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: front_door_contact, kitchen_light, living_room_light_1
- 已选事件数: 100

## 跨天活动摘要
- 2026-08-12: living_room=114, kids_room=232, entrance=232, master_bedroom=231, dining_room=218, master_bathroom=52

## 设备事件日志
[2026-08-12T06:59:04] kitchen_light | OnOff.OnOff = True
[2026-08-12T07:18:07] kitchen_light | OnOff.OnOff = False
[2026-08-12T07:18:27] front_door_contact | BooleanState.StateValue = False
[2026-08-12T07:18:29] front_door_contact | BooleanState.StateValue = True
[2026-08-12T16:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2380
[2026-08-12T16:22:02] front_door_contact | BooleanState.StateValue = False
[2026-08-12T16:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2383
[2026-08-12T16:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T16:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2381
[2026-08-12T16:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2376
[2026-08-12T16:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2364
[2026-08-12T16:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2362
[2026-08-12T16:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2355
[2026-08-12T17:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2359
[2026-08-12T17:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T17:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2354
[2026-08-12T17:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2360
[2026-08-12T17:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2345
[2026-08-12T17:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2357
[2026-08-12T17:20:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2351
[2026-08-12T17:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2339
[2026-08-12T17:20:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T17:22:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T17:22:05] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T17:22:08] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T17:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2351
[2026-08-12T17:25:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2344
[2026-08-12T17:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2342
[2026-08-12T17:29:58] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T17:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2336
[2026-08-12T17:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2348
[2026-08-12T17:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2338
[2026-08-12T17:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2334
[2026-08-12T17:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T17:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T17:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2344
[2026-08-12T17:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2347
[2026-08-12T17:35:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2340
[2026-08-12T17:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2332
[2026-08-12T17:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2346
[2026-08-12T17:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2329
[2026-08-12T17:40:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T17:42:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T17:42:05] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T17:42:08] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T17:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2337
[2026-08-12T17:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2330
[2026-08-12T17:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2344
[2026-08-12T17:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2335
[2026-08-12T17:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2338
[2026-08-12T17:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2333
[2026-08-12T17:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2327
[2026-08-12T17:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2319
[2026-08-12T17:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2321
[2026-08-12T17:55:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2331
[2026-08-12T17:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2335
[2026-08-12T17:58:00] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-08-12T17:58:00] front_door_lock | DoorLock.LockState = 2
[2026-08-12T17:58:02] front_door_contact | BooleanState.StateValue = False
[2026-08-12T17:58:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T17:58:07] living_room_light_1 | OnOff.OnOff = True
[2026-08-12T17:58:11] living_room_ac | OnOff.OnOff = True
[2026-08-12T17:58:11] living_room_ac | Thermostat.SystemMode = 3
[2026-08-12T17:59:58] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T18:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2317
[2026-08-12T18:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2328
[2026-08-12T18:00:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2322
[2026-08-12T18:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T18:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T18:02:05] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T18:02:08] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T18:03:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T18:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2315
[2026-08-12T18:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2326
[2026-08-12T18:05:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2332
[2026-08-12T18:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2324
[2026-08-12T18:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2314
[2026-08-12T18:10:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2320
[2026-08-12T18:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2315
[2026-08-12T18:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2320
[2026-08-12T18:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2317
[2026-08-12T18:15:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2314
[2026-08-12T18:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2322
[2026-08-12T18:18:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T18:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2323
[2026-08-12T18:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2313
[2026-08-12T18:20:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2308
[2026-08-12T18:20:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T18:20:00] front_door_contact | BooleanState.StateValue = False
[2026-08-12T18:21:00] living_room_light_1 | OnOff.OnOff = True
[2026-08-12T18:22:05] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T18:22:08] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T18:23:00] kitchen_light | OnOff.OnOff = True
[2026-08-12T18:23:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T18:23:30] kitchen_cook_surface | OnOff.OnOff = True
[2026-08-12T18:24:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-08-12T18:24:00] kitchen_light | OnOff.OnOff = True
[2026-08-12T18:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2306
[2026-08-12T18:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2312
[2026-08-12T18:25:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2303

## 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，日志显示为正常的家庭晚间活动模式。",
  "reasoning": [
    "1. **入户行为分析**：17:58 门锁手动上锁（LockState=2），随后玄关、餐厅、儿童房等区域运动传感器陆续触发，表明住户回家并分散至各房间，符合正常归家逻辑。",
    "2. **烹饪活动分析**：18:23 厨房灯开启，紧接着 18:23:30 灶具开启，这是典型的晚餐准备流程。虽然日志中未显示灶具关闭事件，但时间窗口较短（仅记录到18:25），且无烟雾报警器触发或温度异常飙升，属于正常烹饪初期状态，尚未构成“无人看管”风险。",
    "3. **环境数据合理性**：温度传感器读数（如 23xx）在 Matter 协议中通常代表 0.01°C 单位，即约 23.6°C 左右，处于舒适室温范围，无设备故障迹象。",
    "4. **无入侵迹象**：所有门窗传感器在住户回家后保持关闭状态（False），且无非法开锁尝试或暴力破坏记录。"
  ],
  "key_evidence": [
    "[17:58:00] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual) - 确认住户手动落锁回家",
    "[18:23:30] kitchen_cook_surface | OnOff.OnOff = True - 灶具开启，伴随灯光开启，符合做饭场景",
    "[18:24:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None - 传感器短暂离线或无读数，但在后续及整体环境中未见持续故障，可能是瞬时通信问题，不影响整体安全判断"
  ],
  "recommended_actions": [
    "无需立即干预，建议继续监控厨房区域直至灶具关闭。",
    "若灶具长时间开启（超过30分钟）且无人员活动，系统应自动检查是否触发未看管烹饪警报。"
  ]
}
```

{
  "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: 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: 118

## 跨天活动摘要
- 2026-08-25: living_room=114, entrance=233, bathroom=59, master_bedroom=48, second_bedroom=48, kitchen=9

## 设备事件日志
[2026-08-25T07:12:12] kitchen_light | OnOff.OnOff = True
[2026-08-25T07:17:00] kitchen_light | OnOff.OnOff = False
[2026-08-25T07:17:10] front_door_contact | BooleanState.StateValue = False
[2026-08-25T07:17:12] front_door_contact | BooleanState.StateValue = True
[2026-08-25T16:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2387
[2026-08-25T16:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2381
[2026-08-25T16:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2383
[2026-08-25T16:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-25T16:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2370
[2026-08-25T16:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2384
[2026-08-25T16:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2373
[2026-08-25T16:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2364
[2026-08-25T16:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2356
[2026-08-25T17:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2354
[2026-08-25T17:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-25T17:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2367
[2026-08-25T17:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2355
[2026-08-25T17:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2347
[2026-08-25T17:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2345
[2026-08-25T17:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2348
[2026-08-25T17:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2351
[2026-08-25T17:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2346
[2026-08-25T17:22:11] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T17:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2353
[2026-08-25T17:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2352
[2026-08-25T17:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2345
[2026-08-25T17:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2355
[2026-08-25T17:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2337
[2026-08-25T17:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2341
[2026-08-25T17:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2346
[2026-08-25T17:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2344
[2026-08-25T17:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-25T17:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-25T17:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-25T17:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2349
[2026-08-25T17:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2346
[2026-08-25T17:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2335
[2026-08-25T17:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2338
[2026-08-25T17:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2340
[2026-08-25T17:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2342
[2026-08-25T17:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2347
[2026-08-25T17:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2337
[2026-08-25T17:42:11] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T17:43:47] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-25T17:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2325
[2026-08-25T17:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2340
[2026-08-25T17:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2344
[2026-08-25T17:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2341
[2026-08-25T17:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2339
[2026-08-25T17:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2324
[2026-08-25T17:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2336
[2026-08-25T17:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2331
[2026-08-25T17:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2320
[2026-08-25T17:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2327
[2026-08-25T17:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2330
[2026-08-25T18:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2319
[2026-08-25T18:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2323
[2026-08-25T18:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2321
[2026-08-25T18:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2398
[2026-08-25T18:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-25T18:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-25T18:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-25T18:02:11] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T18:04:00] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-08-25T18:04:00] front_door_lock | DoorLock.LockState = 2
[2026-08-25T18:04:02] front_door_contact | BooleanState.StateValue = False
[2026-08-25T18:04:12] entrance_light | OnOff.OnOff = True
[2026-08-25T18:04:15] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T18:04:20] living_room_light_1 | OnOff.OnOff = True
[2026-08-25T18:04:27] living_room_ac | OnOff.OnOff = True
[2026-08-25T18:04:27] living_room_ac | Thermostat.SystemMode = 3
[2026-08-25T18:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2321
[2026-08-25T18:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2319
[2026-08-25T18:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2463
[2026-08-25T18:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2325
[2026-08-25T18:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-08-25T18:13:47] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-25T18:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2315
[2026-08-25T18:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2318
[2026-08-25T18:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2581
[2026-08-25T18:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2313
[2026-08-25T18:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2312
[2026-08-25T18:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2307
[2026-08-25T18:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2636
[2026-08-25T18:20:00] front_door_contact | BooleanState.StateValue = False
[2026-08-25T18:21:00] living_room_light_1 | OnOff.OnOff = True
[2026-08-25T18:24:00] kitchen_light | OnOff.OnOff = True
[2026-08-25T18:24:07] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T18:24:15] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T18:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2309
[2026-08-25T18:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2313
[2026-08-25T18:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2315
[2026-08-25T18:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2697
[2026-08-25T18:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2307
[2026-08-25T18:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2304
[2026-08-25T18:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2313
[2026-08-25T18:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2712
[2026-08-25T18:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-25T18:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-25T18:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2300
[2026-08-25T18:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2308
[2026-08-25T18:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2302
[2026-08-25T18:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2698
[2026-08-25T18:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2311
[2026-08-25T18:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2714
[2026-08-25T18:43:47] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-25T18:44:07] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T18:44:15] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T18:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2292
[2026-08-25T18:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2300
[2026-08-25T18:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2305
[2026-08-25T18:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2656
[2026-08-25T18:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2302
[2026-08-25T18:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2297
[2026-08-25T18:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2613
[2026-08-25T18:51:00] kitchen_light | OnOff.OnOff = True
[2026-08-25T18:51:30] kitchen_cook_surface | OnOff.OnOff = True
[2026-08-25T18:52:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None

## 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: 正常样本回家后有客厅/厨房过渡活动；异常样本直接进入卧室。"
  ],
  "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": [
    "继续监测，无需立即处置。"
  ]
}

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "厨房温度传感器数据严重异常，数值高达 2700+ (应为 23-28°C)，且伴随烟雾报警器未触发，极可能是传感器故障或校准错误导致误报风险。",
  "reasoning": [
    "推理步骤 1: 分析时间线发现，从 18:05 开始，厨房温度传感器读数出现剧烈且不符合物理规律的跳变（从正常的 24°C 左右瞬间飙升至 2463, 2517, 直至 2714）。",
    "推理步骤 2: 对比其他房间传感器数据，客厅、主卧、次卧的温度均在正常范围（229-235 之间），说明环境温度并未发生极端变化，排除了真实火灾或高温环境的可能性。",
    "推理步骤 3: 尽管厨房温度显示异常高，但日志中厨房烟雾报警器(smoke_co_alarm)和灶具(cook_surface)的状态均为静默或未报告报警事件。如果真实发生火灾或过热，烟雾报警器应已触发。这种‘高温无烟雾’的矛盾现象强烈指向传感器硬件故障、固件 Bug 或通信协议解析错误（Sensor Malfunction）。",
    "推理步骤 4: 虽然用户随后开启了灶具(18:51)，但这发生在异常读数出现之后，因此不能解释之前的异常高温数据。该异常读数可能导致系统误判为火情而采取不必要的紧急措施，或者掩盖真实的早期火情信号（如果传感器逻辑被破坏）。"
  ],
  "key_evidence": [
    "[2026-08-25T18:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2463",
    "[2026-08-25T18:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2712",
    "同期所有其他房间温度传感器读数正常 (约 2300-2350)"
  ],
  "recommended_actions": [
    "立即检查厨房温度传感器的物理状态及连接线路，确认是否损坏或受强电磁干扰。",
    "手动重置厨房温度传感器并重新校准，观察读数是否恢复正常。",
    "在修复前，建议人工定期巡检厨房区域，确保烟雾报警器功能正常，以弥补传感器数据的不可靠性。",
    "检查 Matter 网关日志，查看是否有针对该传感器的通信丢包或数据包溢出记录。"
  ]
}
```


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: kitchen_light, living_room_occupancy
- 已选事件数: 125

## 跨天活动摘要
- 2026-07-22: living_room=114, bedroom=219, bathroom=56, entrance=14, kitchen=8
- 2026-07-23: living_room=108, bedroom=67, bathroom=58, entrance=14, kitchen=9
- 2026-07-24: living_room=108, bedroom=218, bathroom=57, entrance=14, kitchen=9

## 设备事件日志
[2026-07-22T00:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T06:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2484
[2026-07-22T06:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T06:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2490
[2026-07-22T06:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-07-22T06:58:15] kitchen_light | OnOff.OnOff = True
[2026-07-22T07:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T07:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2505
[2026-07-22T07:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-07-22T07:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-07-22T07:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-07-22T07:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-07-22T07:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-07-22T07:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-07-22T07:29:09] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T07:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-07-22T07:30:02] bedroom_light | OnOff.OnOff = False
[2026-07-22T07:30:12] front_door_lock | DoorLock.LockState = 2
[2026-07-22T07:30:18] front_door_contact | BooleanState.StateValue = True
[2026-07-22T07:30:19] front_door_lock | DoorLock.LockState = 1
[2026-07-22T07:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-07-22T07:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-07-22T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-07-22T07:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-07-22T07:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-07-22T07:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-07-22T07:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-07-22T07:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-07-22T07:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-07-22T07:59:09] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T08:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2424
[2026-07-22T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T08:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-07-22T08:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-22T08:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-22T08:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-22T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-22T08:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-22T08:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-22T08:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-22T08:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-07-22T08:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-22T08:29:09] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T08:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2446
[2026-07-22T08:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T08:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-07-22T08:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-22T08:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-07-22T08:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-22T08:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-07-22T08:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-22T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-22T09:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-22T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-22T09:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-07-22T19:14:17] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-23T07:12:13] kitchen_light | OnOff.OnOff = True
[2026-07-23T10:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-23T10:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-23T10:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-23T10:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-23T11:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-23T11:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-23T11:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-23T11:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-07-23T11:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-07-23T11:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-23T11:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-23T11:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-07-23T11:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-23T11:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-23T11:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-07-23T11:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-23T11:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2434
[2026-07-23T11:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-23T11:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-23T12:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-07-23T12:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-23T12:07:28] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-23T12:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2423
[2026-07-23T12:10:00] kitchen_light | OnOff.OnOff = True
[2026-07-23T12:13:06] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-23T12:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2422
[2026-07-23T12:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-07-23T12:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-07-23T12:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2415
[2026-07-23T12:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-07-23T12:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-07-23T12:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-07-23T12:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-07-23T12:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-07-23T12:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-07-23T12:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-07-23T12:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2402
[2026-07-23T12:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-07-23T13:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-23T13:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-07-23T13:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-07-23T13:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-07-23T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2479
[2026-07-23T13:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2480
[2026-07-23T19:02:00] kitchen_light | OnOff.OnOff = True
[2026-07-23T23:36:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T07:23:00] kitchen_light | OnOff.OnOff = False
[2026-07-24T17:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-24T17:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2353
[2026-07-24T17:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2358
[2026-07-24T17:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2337
[2026-07-24T17:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2333
[2026-07-24T17:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2332
[2026-07-24T17:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2237
[2026-07-24T17:52:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T17:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2233
[2026-07-24T18:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2220
[2026-07-24T18:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-24T18:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2320
[2026-07-24T18:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2443
[2026-07-24T18:07:41] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-24T18:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2210
[2026-07-24T18:12:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T18:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2212
[2026-07-24T18:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2207
[2026-07-24T18:40:00] kitchen_light | OnOff.OnOff = True

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

请按以下 JSON 格式回答：

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

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

```json
{
  "is_anomaly": false,
  "confidence": "high",
  "threat_type": "none",
  "threat_description": "未检测到安全威胁，设备日志显示的行为模式符合正常住户作息及环境变化。",
  "reasoning": [
    "1. **入侵风险排除**：入户门锁（front_door_lock）仅在2026-07-22早上07:30左右有一次解锁后重新上锁的操作，且伴随门磁传感器（front_door_contact）状态为True（通常表示门关闭或触发，结合时间看可能是出门动作），随后立即上锁。此后三天无其他门锁开启记录，表明无非法闯入迹象。",
    "2. **烹饪与火灾风险排除**：厨房灯（kitchen_light）在多个时间点开启（如07:58, 07:12, 12:10, 19:02, 18:40），这些时间段覆盖了早餐、午餐和晚餐准备时间，符合正常生活规律。日志中未出现烟雾报警器（smoke_co_alarm）报警或灶具（cook_surface）长时间无人看管的异常数据。",
    "3. **人员活动模式正常**：客厅运动传感器（living_room_occupancy）在白天大部分时间为0（无人），但在晚间（如22日19:14, 23日23:36）有活动记录，符合典型的居家作息（白天外出/工作，晚上回家休息）。卧室传感器在夜间也有相应的活动或静止状态，未见异常的不活动（abnormal_inactivity）或跌倒（possible_fall）特征。",
    "4. **环境数据合理性**：温度传感器读数随时间缓慢变化，符合室内外温差及空调/自然通风的影响，未发现传感器卡死（sensor_stuck）或漂移（sensor_drift）导致的突变。"
  ],
  "key_evidence": [
    "入户门锁仅在早晨07:30有一次正常的出入操作，之后保持锁定状态。",
    "厨房灯在早、中、晚三餐时段开启，符合正常烹饪习惯。",
    "客厅运动传感器在晚间活跃，白天较少，符合常规作息。",
    "无烟雾报警、漏水报警或门锁故障日志。"
  ],
  "recommended_actions": [
    "继续保持当前监控设置，无需额外干预。",
    "建议定期检查门窗传感器电池电量以确保长期可靠性。"
  ]
}
```

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_drift",
  "threat_description": "客厅温度传感器读数严重偏离物理现实，显示异常高温（约 250°C+），而厨房和卧室温度正常，表明传感器故障或数据漂移。",
  "reasoning": [
    "推理步骤 1: 分析日志发现，从 2026-07-22T06:25:00 开始，living_room_temp_sensor 的 MeasuredValue 持续在 2484 到 2556 之间波动。由于 Matter 协议中温度通常以 0.01°C 为单位，该数值实际代表 24.84°C 至 25.56°C，这是正常的室温范围。然而，若系统未进行单位转换直接展示原始值，或者用户/系统期望看到的是摄氏度但收到了毫摄氏度或其他单位的原始数据，则会产生误解。但更可能的情况是：观察其他设备如 kitchen_temp_sensor (2518 -> 2552) 和 bedroom_temp_sensor (2424 -> 2434)，它们的数值变化趋势与 living_room 一致且都在合理范围内（假设单位统一）。",
    "重新评估推理步骤 1: 让我们再次仔细检查数值的合理性。如果单位是摄氏度，2500°C 显然不可能。如果单位是毫摄氏度 (mCelsius)，那么 2500 mC = 25.00°C，这是完全合理的室温。因此，仅凭数值本身不能判定为 sensor_drift，除非有证据表明单位设置错误导致显示异常。",
    "推理步骤 2: 寻找真正的异常模式。注意到 2026-07-22T07:30:12 到 07:30:19 期间的事件序列：front_door_lock 先变为状态 2 (Unlocked)，紧接着 front_door_contact 变为 True (Door Open)，随后 front_door_lock 变为状态 1 (Locked)。这是一个标准的开门 - 关门流程，符合住户早晨出门的习惯。",
    "推理步骤 3: 深入挖掘跨天活动摘要中的异常。对比三天数据：2026-07-22 bedroom=219, 2026-07-23 bedroom=67, 2026-07-24 bedroom=218。卧室运动传感器在中间一天（7 月 23 日）的活动量骤降为平时的 1/3，而在前后两天均保持高活跃度（~219）。同时，7 月 23 日的 living_room_occupancy 在白天大部分时间（10:30-13:30）均为 0，直到晚上才有人出现。这种‘白天卧室无人、夜间突然活跃’的模式，结合前一日和后一日的高频卧室活动，极不寻常。",
    "推理步骤 4: 结合上下文判断威胁类型。住户通常在白天（工作/学习）和晚上（休息）都会使用卧室。7 月 23 日白天卧室传感器几乎无触发（仅 67 次 vs 其他天的 219 次），且客厅长时间无人，这不符合常规作息。最可能的解释是：有人在白天进入了房屋并躲藏在卧室（可能是入侵者），但由于某种原因（如窗帘遮挡、传感器角度问题或故意规避）未被检测到，或者住户本人因故全天未进入卧室。考虑到前后两天的规律性，'intrusion'（入侵）的可能性较高，因为入侵者可能会选择白天潜入并在隐蔽处待命，或者住户外出时有人尾随进入。然而，更直接的证据缺失。",
    "修正推理步骤 4: 让我们重新审视温度数据。如果所有温度传感器都报告了 25xx 这样的数值，且厨房和卧室也类似，那么这很可能是正常的室温（25°C左右），只是日志记录了原始整数部分或特定格式。没有单一的温度异常。",
    "最终确认异常点：回到 7 月 23 日的卧室活动量骤降。正常情况下，住户在白天（10:00-18:00）应该会在卧室活动（起床、午休、回家等）。7 月 23 日白天卧室 occupancy 计数极低（67 次），而前后两天高达 219 次。与此同时，7 月 23 日 10:30-13:30 客厅无人。这种反常的‘静默期’在安全监控中是一个强烈的信号。虽然不能完全排除住户当天特殊安排（如全天在办公室且不在家，但这与 7 月 22 日和 24 日的模式不符，且 7 月 23 日晚上有人回来），但在缺乏外部信息的情况下，这种显著的行为偏差应被视为潜在的'behavioral_anomaly'或'intrusion'风险（例如入侵者在白天潜伏）。鉴于卧室是主要休息区，白天的极度安静值得高度警惕。",
    "再次检查日志细节：7 月 23 日 12:07:28 bedroom_occupancy = 0，12:10 卧室温度 2423，12:25 2415，12:50 2402。温度在缓慢下降，说明房间可能无人且空调关闭或自然冷却。这与前后两天白天卧室有人时的温度波动不同。综合来看，7 月 23 日白天的低活动量是核心异常。",
    "结论：最显著的异常是 7 月 23 日卧室运动传感器活动量的急剧下降，与前后两天形成鲜明对比，暗示可能存在非正常居住行为（如入侵者潜伏或住户异常缺席）。"
  ],
  "key_evidence": [
    "2026-07-23 卧室运动传感器活动量 (67) 仅为 22 日 (219) 和 24 日 (218) 的约 30%，呈现明显的单点异常低谷。",
    "2026-07-23 白天时段 (10:30-13:30) 客厅长期无人 (Occupancy=0)，且卧室温度呈持续下降趋势，与前后两天白天的活跃状态不符。"
  ],
  "recommended_actions": [
    "立即检查 7 月 23 日当天的家庭监控录像（如有），确认白天是否有陌生人进入或住户是否确实未归。",
    "检查卧室运动传感器的安装位置和灵敏度，排除因遮挡或故障导致的漏报。",
    "联系住户确认 7 月 23 日白天的行踪，核实是否存在异常情况。"
  ]
}
```


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: front_door_contact, kitchen_light, living_room_light_1
- 已选事件数: 109

## 跨天活动摘要
- 2026-07-31: living_room=109, bedroom=67, bathroom=58, entrance=15, kitchen=9

## 设备事件日志
[2026-07-31T07:12:13] kitchen_light | OnOff.OnOff = True
[2026-07-31T07:40:00] kitchen_light | OnOff.OnOff = False
[2026-07-31T07:40:21] front_door_contact | BooleanState.StateValue = False
[2026-07-31T07:40:21] front_door_contact | BooleanState.StateValue = True
[2026-07-31T16:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2373
[2026-07-31T16:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2376
[2026-07-31T16:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2366
[2026-07-31T16:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2356
[2026-07-31T17:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2359
[2026-07-31T17:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-31T17:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2347
[2026-07-31T17:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2349
[2026-07-31T17:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2355
[2026-07-31T17:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2333
[2026-07-31T17:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2239
[2026-07-31T17:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2348
[2026-07-31T17:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-31T17:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2348
[2026-07-31T17:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2232
[2026-07-31T17:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2335
[2026-07-31T17:37:28] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-31T17:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2338
[2026-07-31T17:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2237
[2026-07-31T17:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2345
[2026-07-31T17:43:06] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-31T17:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2334
[2026-07-31T17:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2338
[2026-07-31T17:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2332
[2026-07-31T17:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2224
[2026-07-31T17:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2333
[2026-07-31T17:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2325
[2026-07-31T17:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2229
[2026-07-31T18:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2323
[2026-07-31T18:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2233
[2026-07-31T18:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2331
[2026-07-31T18:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-31T18:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2330
[2026-07-31T18:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2225
[2026-07-31T18:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2314
[2026-07-31T18:07:28] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-31T18:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2326
[2026-07-31T18:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2220
[2026-07-31T18:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2317
[2026-07-31T18:13:06] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-31T18:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2321
[2026-07-31T18:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2213
[2026-07-31T18:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2308
[2026-07-31T18:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2211
[2026-07-31T18:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2304
[2026-07-31T18:20:00] front_door_contact | BooleanState.StateValue = False
[2026-07-31T18:21:00] living_room_light_1 | OnOff.OnOff = True
[2026-07-31T18:24:00] kitchen_light | OnOff.OnOff = True
[2026-07-31T18:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2304
[2026-07-31T18:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2210
[2026-07-31T18:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2318
[2026-07-31T18:27:00] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-07-31T18:27:00] front_door_lock | DoorLock.LockState = 2
[2026-07-31T18:27:02] front_door_contact | BooleanState.StateValue = False
[2026-07-31T18:27:14] entrance_light | OnOff.OnOff = True
[2026-07-31T18:27:21] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T18:27:27] living_room_light_1 | OnOff.OnOff = True
[2026-07-31T18:27:37] living_room_ac | OnOff.OnOff = True
[2026-07-31T18:27:37] living_room_ac | Thermostat.SystemMode = 3
[2026-07-31T18:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2307
[2026-07-31T18:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2216
[2026-07-31T18:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2303
[2026-07-31T18:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2299
[2026-07-31T18:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2316
[2026-07-31T18:37:28] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-31T18:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2297
[2026-07-31T18:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2201
[2026-07-31T18:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2302
[2026-07-31T18:43:06] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-31T18:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2296
[2026-07-31T18:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2208
[2026-07-31T18:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2308
[2026-07-31T18:47:21] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T18:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2289
[2026-07-31T18:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2204
[2026-07-31T18:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2296
[2026-07-31T18:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2300
[2026-07-31T18:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2207
[2026-07-31T18:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2300
[2026-07-31T19:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2284
[2026-07-31T19:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2199
[2026-07-31T19:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2356
[2026-07-31T19:02:00] kitchen_light | OnOff.OnOff = True
[2026-07-31T19:02:30] kitchen_cook_surface | OnOff.OnOff = True
[2026-07-31T19:03:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-07-31T19:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2186
[2026-07-31T19:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2414
[2026-07-31T19:07:21] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T19:07:28] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-31T19:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2294
[2026-07-31T19:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2185
[2026-07-31T19:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2482
[2026-07-31T19:13:06] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-31T19:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2283
[2026-07-31T19:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2296
[2026-07-31T19:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2274
[2026-07-31T19:27:21] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T19:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2272
[2026-07-31T19:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2286
[2026-07-31T19:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2283
[2026-07-31T19:51:05] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-31T19:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2279
[2026-07-31T20:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2276
[2026-07-31T22:06:00] living_room_light_1 | OnOff.OnOff = False
[2026-07-31T22:06:34] front_door_contact | BooleanState.StateValue = True

## 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: 正常样本回家后有客厅/厨房过渡活动；异常样本直接进入卧室。"
  ],
  "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": [
    "继续监测，无需立即处置。"
  ]
}

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "厨房温度传感器在灶具开启后出现严重数据漂移和数值异常，导致无法准确监测火灾风险。",
  "reasoning": [
    "推理步骤 1: 在 2026-07-31T19:02:30，厨房灶具 (kitchen_cook_surface) 被开启，随后在 T19:05:00 和 T19:10:00，厨房温度传感器读数从正常的 ~24°C 瞬间跳变至 2414 和 2482（单位应为 mK，即约 24.14°C 和 24.82°C 是合理的，但结合上下文看，若原始数据单位为毫开尔文，2482mK=2.3K 绝对零度附近不合理；若为摄氏度则直接爆表。更可能的情况是：正常室温约 23°C = 29560 mK。日志中 23xx 的数值极可能是以 10mK 或类似比例缩放后的值，或者单位本身就是 mK 但显示逻辑有误。让我们重新校准：2373 mK = 2.373 K? 不对。通常 Matter 传感器返回的是 raw value。假设基准是 273150 (0C * 1000) 或其他。观察序列：2373 -> 2376 -> ... -> 2300。这些数值非常接近 23-24 的范围。如果单位是 0.1°C，那么 2373 = 237.3°C，这不可能。如果单位是 mK (milli-Kelvin)，0°C = 273150 mK。这里的 2373 远小于 273150。这说明该传感器的 `MeasuredValue` 可能是一个经过特定缩放的整数，例如代表 '23.73' 的某种编码，或者单位是 0.01°C？如果是 0.01°C，2373 = 23.73°C，这是合理的室温。",
    "推理步骤 2: 关键异常发生在 T19:05:00 和 T19:10:00。此时灶具已开启。温度读数分别为 2414 (24.14°C) 和 2482 (24.82°C)。虽然数值本身仍在室温范围内，但请注意 T19:03:00 时读数为 None，随后突然恢复并持续上升。更重要的是，对比其他房间：卧室温度稳定在 22°C 左右，客厅在 23°C 左右。厨房作为烹饪区域，开启灶具后温度应显著高于其他房间（通常升高 5-10°C 以上）。然而，厨房传感器读数仅比客厅高出不到 1°C (24.8 vs 23.0)，且随后在 T19:20:00 甚至下降至 22.74°C (2274)，这与正在运行的灶具完全矛盾。",
    "推理步骤 3: 这种‘灶具开启但温度不升反降’且与其他房间温差极小的现象，强烈暗示传感器存在故障（Sensor Malfunction）或数据上报错误（Sensor Drift/Stuck），而非真实的物理环境变化。由于厨房是火灾高风险区，传感器失效意味着失去了关键的早期预警能力，构成了潜在的安全威胁。"
  ],
  "key_evidence": [
    "T19:02:30 厨房灶具开启，但 T19:10:00 厨房温度 (2482/24.82°C) 并未显著高于客厅 (2274/22.74°C) 和卧室 (2185/21.85°C)。",
    "T19:20:00 厨房温度读数 (2274) 甚至低于客厅和卧室，这在灶具运行期间属于物理上不可能的情况。",
    "T19:03:00 传感器曾短暂返回 None，随后数据出现非线性的剧烈波动。"
  ],
  "recommended_actions": [
    "立即检查厨房温度传感器硬件连接及供电状态。",
    "暂时手动关闭厨房灶具，直到传感器修复或更换，以防因误判高温而延误真实火情报警，或因传感器失灵导致真实火情未被发现。",
    "联系设备供应商进行固件更新或硬件维修，确认是否为 Matter 协议下的数据解析错误。"
  ]
}
```


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: kitchen_light, living_room_occupancy
- 已选事件数: 114

## 跨天活动摘要
- 2026-08-19: living_room=109, entrance=230, bathroom=56, master_bedroom=48, second_bedroom=48, kitchen=8
- 2026-08-20: living_room=108, entrance=233, bathroom=222, master_bedroom=48, second_bedroom=48, kitchen=9
- 2026-08-21: living_room=111, entrance=231, bathroom=53, master_bedroom=48, second_bedroom=48, kitchen=9

## 设备事件日志
[2026-08-19T00:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-19T06:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2490
[2026-08-19T06:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2499
[2026-08-19T06:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-08-19T07:03:15] kitchen_light | OnOff.OnOff = True
[2026-08-19T07:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-08-19T07:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-08-19T07:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-08-19T07:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-08-19T07:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-08-19T07:30:00] kitchen_light | OnOff.OnOff = False
[2026-08-19T07:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-08-19T07:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-19T07:30:16] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T07:30:21] front_door_contact | BooleanState.StateValue = False
[2026-08-19T07:30:23] front_door_lock | Event: LockOperation(LockOperationType=0, OperationSource=Manual)
[2026-08-19T07:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-08-19T07:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-08-19T07:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-08-19T07:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-08-19T07:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-08-19T07:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-08-19T07:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-19T07:55:22] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T08:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-19T08:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-19T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T08:03:31] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-19T08:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-19T08:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-19T08:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-19T08:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-19T08:15:22] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T08:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-19T08:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-19T08:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-19T08:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-19T08:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-19T08:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-19T08:35:22] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-19T08:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-19T08:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-19T08:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-19T08:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-19T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-19T09:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-19T09:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-19T19:12:00] kitchen_light | OnOff.OnOff = True
[2026-08-20T06:45:14] kitchen_light | OnOff.OnOff = True
[2026-08-20T10:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-20T10:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-20T11:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-20T11:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-20T11:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-20T11:20:19] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T11:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-20T11:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-20T11:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-20T11:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-20T11:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-20T11:40:19] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T11:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-08-20T11:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-20T12:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-20T12:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-20T12:00:19] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T12:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-08-20T12:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-08-20T12:10:00] kitchen_light | OnOff.OnOff = True
[2026-08-20T12:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-08-20T12:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-08-20T12:20:19] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T12:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-08-20T12:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-08-20T12:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-20T12:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-08-20T12:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-08-20T12:40:19] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T12:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-08-20T13:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-08-20T13:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-20T13:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-08-20T13:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-08-20T13:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-20T13:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-08-20T19:42:24] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T07:16:00] kitchen_light | OnOff.OnOff = False
[2026-08-21T17:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2358
[2026-08-21T17:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2356
[2026-08-21T17:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-21T17:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2336
[2026-08-21T17:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2325
[2026-08-21T17:54:05] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-21T17:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2318
[2026-08-21T18:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2315
[2026-08-21T18:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2325
[2026-08-21T18:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-21T18:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2332
[2026-08-21T18:06:21] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T18:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2326
[2026-08-21T18:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2320
[2026-08-21T18:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2317
[2026-08-21T18:16:02] front_door_contact | BooleanState.StateValue = False
[2026-08-21T18:16:07] entrance_light | OnOff.OnOff = True
[2026-08-21T18:16:25] living_room_ac | OnOff.OnOff = True
[2026-08-21T18:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2316
[2026-08-21T18:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2312
[2026-08-21T18:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2319
[2026-08-21T18:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2319
[2026-08-21T18:31:05] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-21T18:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2311
[2026-08-21T18:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2307
[2026-08-21T18:40:00] kitchen_light | OnOff.OnOff = True
[2026-08-21T18:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2298

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

请按以下 JSON 格式回答：

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

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

```json
{
  "is_anomaly": false,
  "confidence": "high",
  "threat_type": "none",
  "threat_description": "未检测到安全威胁或异常行为，所有日志事件符合正常的家庭作息规律。",
  "reasoning": [
    "1. **入户活动分析**：8月19日07:30左右，玄关运动传感器触发，随后入户门关闭并上锁（Manual Lock），这符合住户早晨出门上班的常规行为模式。8月21日18:16左右，入户门关闭，玄关灯亮起，且随后客厅空调开启，符合住户傍晚回家回家的场景。",
    "2. **厨房用火安全**：8月19日07:03厨房灯亮起，07:30熄灭；8月20日06:45和12:10厨房灯亮起；8月21日17:16厨房灯熄灭。这些时间段（早晨、中午、傍晚）与常规用餐时间吻合。日志中未出现灶具(cook_surface)长时间开启而无人（occupancy_sensor为0）的情况，也未触发烟雾报警器，因此排除未看管烹饪风险。",
    "3. **传感器数据合理性**：温度传感器读数（如2490-2545等）在合理范围内波动，且随时间推移呈现昼夜温差变化（如8月21日傍晚温度从2358降至2298），无传感器卡死或漂移迹象。运动传感器在夜间（如00:00）显示无人，白天有规律地显示有人/无人切换，符合正常居住状态。",
    "4. **跨天模式一致性**：三天的活动摘要显示各房间活跃度稳定，没有突发的异常高频率事件或长时间的完全静默（除了夜间睡眠时段），表明系统运行稳定，住户生活节奏正常。"
  ],
  "key_evidence": [
    "8月19日 07:30: entrance_occupancy=1 -> front_door_contact=False -> front_door_lock(LockOperationType=0)，符合出门逻辑。",
    "8月21日 18:16: front_door_contact=False -> entrance_light=True -> living_room_ac=True，符合回家逻辑。",
    "厨房灯仅在早晚及午间短暂开启，且伴随其他区域活动，无异常长时开启或无人值守情况。",
    "温度数据随时间自然变化，无突变或停滞。"
  ],
  "recommended_actions": [
    "无需采取任何行动，继续保持当前监控设置即可。"
  ]
}
```

{
  "is_anomaly": true,
  "confidence": "medium",
  "threat_type": "intrusion",
  "threat_description": "这些变化表明存在安全异常。",
  "reasoning": [
    "推理步骤1: 我把本可由正常模式解释的事件误判成了异常。"
  ],
  "key_evidence": [
    "正常样本仍有零星厨房活动；异常样本连续多天完全缺失相关使用。"
  ],
  "recommended_actions": [
    "建议立即检查并触发安全响应。"
  ]
}


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

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

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

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

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ3
- 重点房间: living_room
- 重点设备: kitchen_light, living_room_occupancy
- 已选事件数: 116

## 跨天活动摘要
- 2026-08-04: living_room=210, bedroom=241, kitchen=240, entrance=232, bathroom=58
- 2026-08-05: living_room=208, bedroom=240, kitchen=240, entrance=232, bathroom=64
- 2026-08-06: living_room=209, bedroom=241, kitchen=239, entrance=230, bathroom=61

## 设备事件日志
[2026-08-04T00:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T06:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2484
[2026-08-04T06:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2488
[2026-08-04T07:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2505
[2026-08-04T07:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2415
[2026-08-04T07:14:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T07:15:09] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T07:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2404
[2026-08-04T07:21:51] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T07:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-08-04T07:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-08-04T07:39:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T07:40:09] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T07:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2425
[2026-08-04T07:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-04T07:55:10] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T08:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-08-04T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T08:04:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T08:05:09] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T08:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-08-04T08:21:51] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-04T08:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-04T08:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-04T08:30:09] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T08:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-08-04T08:36:00] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-08-04T08:36:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T08:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-08-04T08:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-04T08:49:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T09:01:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T09:21:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-04T11:05:00] kitchen_light | OnOff.OnOff = True
[2026-08-05T10:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-05T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-05T10:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-05T11:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-05T11:10:00] kitchen_light | OnOff.OnOff = True
[2026-08-05T11:18:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T11:20:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T11:28:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T11:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-05T11:33:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-08-05T11:34:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T11:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-08-05T11:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-08-05T11:48:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T11:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-08-05T11:54:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T11:55:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T11:59:05] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T12:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-05T12:08:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T12:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2423
[2026-08-05T12:10:00] kitchen_light | OnOff.OnOff = True
[2026-08-05T12:13:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T12:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-08-05T12:19:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T12:20:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T12:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-08-05T12:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-08-05T12:33:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T12:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-08-05T12:42:07] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T12:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2421
[2026-08-05T12:48:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T12:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-08-05T12:53:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T12:55:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T12:59:05] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T13:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-08-05T13:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-08-05T13:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-08-05T13:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2491
[2026-08-05T13:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2483
[2026-08-06T07:04:00] kitchen_light | OnOff.OnOff = False
[2026-08-06T17:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2363
[2026-08-06T17:10:15] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T17:30:15] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T17:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2236
[2026-08-06T17:51:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T17:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2333
[2026-08-06T17:59:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T18:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2322
[2026-08-06T18:05:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T18:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2316
[2026-08-06T18:10:15] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T18:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2222
[2026-08-06T18:16:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T18:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2320
[2026-08-06T18:24:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T18:25:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T18:29:05] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-06T18:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2306
[2026-08-06T18:35:15] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T18:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2211
[2026-08-06T18:40:00] kitchen_light | OnOff.OnOff = True
[2026-08-06T18:41:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T18:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2299
[2026-08-06T18:49:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T18:50:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T18:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2292
[2026-08-06T18:55:15] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T19:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2287
[2026-08-06T19:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2185
[2026-08-06T19:06:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T19:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2289
[2026-08-06T19:14:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T19:15:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T19:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2283
[2026-08-06T19:20:15] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T19:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2184
[2026-08-06T19:26:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T19:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2290
[2026-08-06T19:30:03] living_room_light | LevelControl.CurrentLevel = 24

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

请按以下 JSON 格式回答：

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

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

```json
{
  "is_anomaly": false,
  "confidence": "high",
  "threat_type": "none",
  "threat_description": "未检测到安全威胁或异常情况，设备日志显示住户活动规律，环境参数正常。",
  "reasoning": [
    "1. **活动模式分析**：日志涵盖了8月4日至6日的数据。虽然8月5日和6日的部分时间窗（如上午）缺乏详细的运动传感器记录，但结合8月4日的完整数据以及跨天摘要中各房间较高的活跃度计数（如bedroom=241, kitchen=240），可以推断住户日常起居规律稳定，没有长时间静止不动导致的“可能跌倒”或“异常不活动”迹象。",
    "2. **烹饪安全评估**：重点关注的厨房区域，在8月5日11:33记录了灶具(cook_surface)关闭事件，且此前有运动传感器触发，符合正常的烹饪结束行为。8月6日17:04厨房灯关闭，随后18:40再次开启并伴随运动检测，符合晚餐准备的时间逻辑。全程未检测到烟雾报警器报警或灶具长时间无人看管的情况。",
    "3. **环境与设备状态**：温度读数随时间自然波动（例如8月6日从傍晚的~23°C降至夜间~22°C），符合室内热惯性特征，无传感器漂移或故障迹象。入户门锁仅在8月4日08:36有一次手动开锁记录，属于正常外出或回家行为，无暴力破解或多重失败尝试。"
  ],
  "key_evidence": [
    "8月5日11:33 kitchen_cook_surface OnOff=False，表明烹饪活动正常结束。",
    "8月4日08:36 front_door_lock LockOperation(Manual)，为常规出入行为。",
    "8月6日17:00-19:30期间，living_room和kitchen的运动传感器与灯光控制配合紧密，显示住户在客厅和厨房间正常活动，无长时间静止。",
    "温度传感器数值变化平滑，无突变或停滞，排除传感器故障。"
  ],
  "recommended_actions": [
    "继续保持当前的监控策略，无需紧急干预。",
    "建议定期校准温度传感器以确保长期数据准确性，尽管当前数据看起来正常。"
  ]
}
```

{
  "is_anomaly": true,
  "confidence": "medium",
  "threat_type": "intrusion",
  "threat_description": "这些变化表明存在安全异常。",
  "reasoning": [
    "推理步骤1: 我把本可由正常模式解释的事件误判成了异常。"
  ],
  "key_evidence": [
    "正常样本仍有零星厨房活动；异常样本连续多天完全缺失相关使用。"
  ],
  "recommended_actions": [
    "建议立即检查并触发安全响应。"
  ]
}