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: SQ1
- 重点房间: living_room
- 重点设备: living_room_light_1
- 已选事件数: 121

## 设备事件日志
[2026-08-12T14:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2470
[2026-08-12T14:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2457
[2026-08-12T14:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2458
[2026-08-12T15:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T15:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-08-12T15:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2424
[2026-08-12T15:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2407
[2026-08-12T16:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2389
[2026-08-12T16:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2384
[2026-08-12T16:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2380
[2026-08-12T17:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T17:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2365
[2026-08-12T17:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2356
[2026-08-12T17:19:38] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T17:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2359
[2026-08-12T17:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2349
[2026-08-12T17:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2334
[2026-08-12T17:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T17:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2349
[2026-08-12T17:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2342
[2026-08-12T17:44:21] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T17:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2341
[2026-08-12T17:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2329
[2026-08-12T17:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2320
[2026-08-12T18:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2319
[2026-08-12T18:04:21] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T18:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2321
[2026-08-12T18:05:34] living_room_light_1 | OnOff.OnOff = True
[2026-08-12T18:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2325
[2026-08-12T18:10:24] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T18:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2318
[2026-08-12T18:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2317
[2026-08-12T18:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2311
[2026-08-12T18:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2302
[2026-08-12T18:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T18:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2309
[2026-08-12T18:35:10] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T18:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2313
[2026-08-12T18:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2298
[2026-08-12T18:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2291
[2026-08-12T18:50:24] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T18:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2292
[2026-08-12T19:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2284
[2026-08-12T19:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T19:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2297
[2026-08-12T19:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2282
[2026-08-12T19:10:10] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T19:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2280
[2026-08-12T19:19:38] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T19:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2603
[2026-08-12T19:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2280
[2026-08-12T19:25:24] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T19:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2277
[2026-08-12T19:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T19:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2279
[2026-08-12T19:35:10] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T19:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2276
[2026-08-12T19:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2266
[2026-08-12T19:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2279
[2026-08-12T19:50:24] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T19:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-12T20:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2268
[2026-08-12T20:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T20:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2274
[2026-08-12T20:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2268
[2026-08-12T20:10:00] living_room_light_1 | OnOff.OnOff = True
[2026-08-12T20:10:00] living_room_light_1 | LevelControl.CurrentLevel = 180
[2026-08-12T20:10:10] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T20:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2262
[2026-08-12T20:18:00] living_room_light_1 | LevelControl.CurrentLevel = 30
[2026-08-12T20:19:38] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T20:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2338
[2026-08-12T20:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2272
[2026-08-12T20:29:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T20:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2261
[2026-08-12T20:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2259
[2026-08-12T20:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2266
[2026-08-12T20:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2258
[2026-08-12T20:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2257
[2026-08-12T20:50:10] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T20:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2257
[2026-08-12T21:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2266
[2026-08-12T21:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T21:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2264
[2026-08-12T21:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2260
[2026-08-12T21:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2256
[2026-08-12T21:15:10] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T21:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2263
[2026-08-12T21:24:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T21:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2243
[2026-08-12T21:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2251
[2026-08-12T21:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T21:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2245
[2026-08-12T21:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2255
[2026-08-12T21:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2256
[2026-08-12T21:49:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T21:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2243
[2026-08-12T21:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2257
[2026-08-12T21:55:10] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T22:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2256
[2026-08-12T22:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2242
[2026-08-12T22:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2260
[2026-08-12T22:12:38] front_door_contact | BooleanState.StateValue = True
[2026-08-12T22:15:10] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T22:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2250
[2026-08-12T22:24:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T22:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2260
[2026-08-12T22:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2244
[2026-08-12T22:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-12T22:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2254
[2026-08-12T22:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2261
[2026-08-12T22:49:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T22:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2247
[2026-08-12T22:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2245
[2026-08-12T22:55:10] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-12T23:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2251
[2026-08-12T23:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2249
[2026-08-12T23:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2265
[2026-08-12T23:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2258
[2026-08-12T23:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2270
[2026-08-12T23:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2264

## 任务
请结合下面的 Matter 设备日志，判断是否存在设备健康问题，并说明可能的故障类型。

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 OnOff 和亮度值一致变化；异常样本存在持续矛盾状态。"
  ],
  "key_evidence": [
    "正常样本 OnOff 和亮度值一致变化；异常样本存在持续矛盾状态。"
  ],
  "recommended_actions": [
    "继续监测，无需立即处置。"
  ]
}

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "厨房温度传感器在无人操作且环境冷却趋势下出现剧烈异常跳变，疑似设备故障或数据上报错误。",
  "reasoning": [
    "推理步骤 1: 分析时间线发现，从 18:00 到 19:20，厨房温度传感器读数稳定下降（从 2359mK/23.6°C 降至 2292mK/22.9°C），符合夜间环境温度自然降低的物理规律，且此时无烹饪活动记录。",
    "推理步骤 2: 在 19:20:00，厨房温度传感器读数突然从 2292mK (22.9°C) 跳变为 2603mK (26.0°C)，增幅达 3.1°C。随后在 19:55:00 再次跳变至 2552mK (25.5°C)。这种在无热源输入情况下的持续升温不符合热力学常识。",
    "推理步骤 3: 对比其他房间传感器，主卧、次卧和客厅的温度均呈现平稳的缓慢下降趋势，排除了全屋环境温度骤升的可能性。同时，日志中未显示灶具 (cook_surface) 有任何加热状态变化。因此，该异常极大概率是厨房温度传感器本身的硬件故障、校准漂移或通信干扰导致的误报，而非真实的火灾风险。"
  ],
  "key_evidence": [
    "2026-08-12T19:20:00 厨房温度从 2292mK 突增至 2603mK，随后在 19:55:00 仍维持在高位 2552mK。",
    "同期（19:20-20:00）其他房间温度持续下降，且无任何烹饪设备启动记录。"
  ],
  "recommended_actions": [
    "立即检查厨房温度传感器的物理连接及供电状态，排除接触不良。",
    "使用独立温度计测量厨房实际环境温度，验证传感器读数是否准确。",
    "若确认为故障，建议重置设备或联系厂商进行固件更新/硬件更换，以防因误报触发不必要的警报或掩盖真实的高温隐患。"
  ]
}
```


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

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

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

## 家庭环境信息
家庭布局: 三室两厅 (3BR)
- 重点房间 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 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 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: SQ1
- 重点房间: balcony
- 重点设备: balcony_laundry_washer
- 已选事件数: 133

## 设备事件日志
[2026-08-09T07:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2505
[2026-08-09T07:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-08-09T07:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T07:00:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T07:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-08-09T07:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-08-09T07:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-08-09T07:15:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-08-09T07:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-08-09T07:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-08-09T07:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-08-09T07:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-08-09T07:30:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T07:30:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T07:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-09T07:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-08-09T07:40:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-08-09T07:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-09T07:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-08-09T07:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-08-09T07:55:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-08-09T08:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-08-09T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T08:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T08:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T08:05:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-08-09T08:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-09T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-08-09T08:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-09T08:20:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-09T08:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-08-09T08:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-09T08:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-09T08:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T08:30:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T08:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-09T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-09T08:45:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-09T08:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-09T08:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-09T09:00:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-09T09:00:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T09:00:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-09T09:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-09T09:10:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-09T09:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-09T09:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-09T09:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-09T09:25:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-09T09:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T09:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T09:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T09:35:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-09T09:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-09T09:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-09T09:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2559
[2026-08-09T09:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-08-09T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-08-09T10:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2559
[2026-08-09T10:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T10:00:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T10:00:00] balcony_laundry_washer | OperationalState.OperationalState = 1
[2026-08-09T10:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-09T10:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-09T10:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-09T10:20:00] balcony_laundry_washer | OperationalState.CountdownTime = 2400
[2026-08-09T10:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-09T10:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-08-09T10:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-09T10:30:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T10:30:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T10:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-09T10:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-08-09T10:40:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-09T10:40:00] balcony_laundry_washer | OperationalState.CountdownTime = 1200
[2026-08-09T10:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-09T10:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-09T10:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-09T10:55:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-09T11:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-09T11:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T11:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T11:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T11:00:00] balcony_laundry_washer | OperationalState.OperationalState = 0
[2026-08-09T11:05:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-09T11:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-09T11:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-09T11:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-09T11:20:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-09T11:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-09T11:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-09T11:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-09T11:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T11:30:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T11:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-09T11:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-09T11:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-09T11:45:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-09T11:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-08-09T11:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-09T11:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-08-09T12:00:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-09T12:00:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T12:00:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T12:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-09T12:10:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-08-09T12:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-08-09T12:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-08-09T12:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-08-09T12:25:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-08-09T12:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-08-09T12:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T12:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T12:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T12:35:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-08-09T12:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-08-09T12:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-08-09T12:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-08-09T12:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-08-09T12:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-08-09T13:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-08-09T13:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-08-09T13:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T13:00:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-09T13:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-08-09T13:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-08-09T13:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-08-09T13:15:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2489
[2026-08-09T13:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-08-09T13:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2492
[2026-08-09T13:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-08-09T13:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2485

## 任务
根据以下传感器与设备记录，评估目标设备当前工作状态是否正常。如异常，请给出故障判断依据。

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": "洗衣机按预期完成工作周期，状态从运行(1)变为空闲(0)，无异常行为。",
  "reasoning": [
    "分析目标设备 balcony_laundry_washer 的状态变化：在 10:00:00 时 OperationalState 为 1（表示正在运行或已启动），随后在 10:20:00 和 10:40:00 分别报告 CountdownTime 为 2400秒和 1200秒，显示剩余工作时间正常递减。",
    "在 11:00:00 时，balcony_laundry_washer 的 OperationalState 变为 0（表示空闲/停止），且此前未出现错误代码或中断迹象，表明洗衣程序已正常结束。",
    "结合时间线，洗衣机从 10:00 开始运行至 11:00 结束，持续约 1 小时，符合典型家用洗衣机单次洗涤周期的时长范围；同时期间其他传感器（如温度、 occupancy）数据平稳，无伴随的安全威胁事件（如漏水、火灾等）。"
  ],
  "key_evidence": [
    "[2026-08-09T10:00:00] balcony_laundry_washer | OperationalState.OperationalState = 1 (开始运行)",
    "[2026-08-09T10:20:00] balcony_laundry_washer | OperationalState.CountdownTime = 2400 (剩余40分钟)",
    "[2026-08-09T10:40:00] balcony_laundry_washer | OperationalState.CountdownTime = 1200 (剩余20分钟)",
    "[2026-08-09T11:00:00] balcony_laundry_washer | OperationalState.OperationalState = 0 (运行结束)"
  ],
  "recommended_actions": [
    "无需采取任何行动，设备工作正常。"
  ]
}
```

{
  "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": [
    "正常样本倒计时递减并停止；异常样本数值长时间固定。"
  ],
  "recommended_actions": [
    "建议立即检查并触发安全响应。"
  ]
}


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

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

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

## 家庭环境信息
家庭布局: 一室一厅 (Studio/1BR)
- 重点房间 living_room: 客厅主灯[dimmable_light], 客厅台灯[onoff_light], 客厅空调[air_conditioner], 客厅温度传感器[temperature_sensor], 客厅运动传感器[occupancy_sensor], 客厅窗帘[window_covering], 客厅窗户传感器[contact_sensor]
- 房间 bathroom: 卫生间灯[onoff_light], 卫生间运动传感器[occupancy_sensor], 卫生间漏水传感器[water_leak_detector]
- 房间 bedroom: 卧室灯[dimmable_light], 卧室运动传感器[occupancy_sensor], 卧室窗帘[window_covering], 卧室窗户传感器[contact_sensor], 卧室温度传感器[temperature_sensor]
- 房间 entrance: 入户门锁[door_lock], 入户门传感器[contact_sensor], 玄关灯[onoff_light]
- 房间 kitchen: 厨房灯[onoff_light], 厨房灶具[cook_surface], 厨房烟雾报警器[smoke_co_alarm], 厨房温度传感器[temperature_sensor], 厨房窗户传感器[contact_sensor], 洗碗机[dishwasher]

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ1
- 重点房间: living_room
- 重点设备: bedroom_temp_sensor, living_room_temp_sensor
- 已选事件数: 137

## 设备事件日志
[2026-07-29T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2264
[2026-07-29T08:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-07-29T09:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-29T09:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-07-29T09:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-07-29T09:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2458
[2026-07-29T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-29T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-29T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-29T10:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-07-29T10:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2442
[2026-07-29T10:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-07-29T10:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-29T10:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-07-29T10:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-29T11:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-29T11:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2443
[2026-07-29T11:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-07-29T11:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-07-29T11:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-29T11:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-07-29T12:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-07-29T12:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-07-29T12:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-07-29T12:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-07-29T12:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-07-29T12:27:45] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-29T12:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-29T12:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-07-29T12:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-07-29T12:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2413
[2026-07-29T12:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2499
[2026-07-29T13:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-07-29T13:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-07-29T13:12:37] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-29T13:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-07-29T13:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2386
[2026-07-29T13:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2382
[2026-07-29T13:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2383
[2026-07-29T13:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2483
[2026-07-29T13:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2491
[2026-07-29T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2486
[2026-07-29T14:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2466
[2026-07-29T14:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2477
[2026-07-29T14:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2365
[2026-07-29T14:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2361
[2026-07-29T14:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2471
[2026-07-29T14:27:45] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-29T14:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-29T14:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-07-29T14:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-07-29T14:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2348
[2026-07-29T14:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-07-29T15:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2410
[2026-07-29T15:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2420
[2026-07-29T15:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2429
[2026-07-29T15:12:37] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-29T15:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2423
[2026-07-29T15:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2331
[2026-07-29T15:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2315
[2026-07-29T15:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2312
[2026-07-29T15:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2406
[2026-07-29T15:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2419
[2026-07-29T15:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2404
[2026-07-29T16:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2392
[2026-07-29T16:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2387
[2026-07-29T16:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2290
[2026-07-29T16:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2281
[2026-07-29T16:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2389
[2026-07-29T16:27:45] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-29T16:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-29T16:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2364
[2026-07-29T16:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2362
[2026-07-29T16:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2277
[2026-07-29T16:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2360
[2026-07-29T17:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2356
[2026-07-29T17:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-07-29T17:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2580
[2026-07-29T17:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2367
[2026-07-29T17:12:37] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-29T17:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2341
[2026-07-29T17:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2241
[2026-07-29T17:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2234
[2026-07-29T17:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2230
[2026-07-29T17:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2330
[2026-07-29T17:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2327
[2026-07-29T17:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2319
[2026-07-29T18:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2316
[2026-07-29T18:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2320
[2026-07-29T18:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2224
[2026-07-29T18:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2212
[2026-07-29T18:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2633
[2026-07-29T18:27:45] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-29T18:28:11] entrance_light | OnOff.OnOff = True
[2026-07-29T18:28:24] living_room_ac | Thermostat.SystemMode = 3
[2026-07-29T18:33:13] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-29T18:42:37] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-29T18:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2662
[2026-07-29T18:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2621
[2026-07-29T18:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2576
[2026-07-29T18:57:45] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-29T19:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-07-29T19:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2483
[2026-07-29T19:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2458
[2026-07-29T19:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2178
[2026-07-29T19:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2187
[2026-07-29T19:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2179
[2026-07-29T19:27:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-07-29T19:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2190
[2026-07-29T19:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2182
[2026-07-29T19:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2177
[2026-07-29T19:45:00] kitchen_dishwasher | OnOff.OnOff = True
[2026-07-29T19:45:05] kitchen_dishwasher | OperationalState.OperationalState = 1
[2026-07-29T19:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2270
[2026-07-29T19:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2281
[2026-07-29T20:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2173
[2026-07-29T20:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2179
[2026-07-29T20:10:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-29T20:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2268
[2026-07-29T20:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2167
[2026-07-29T20:30:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-29T20:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2250
[2026-07-29T20:50:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-29T21:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2257
[2026-07-29T21:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2162
[2026-07-29T21:10:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-29T21:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2243
[2026-07-29T21:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2148
[2026-07-29T21:30:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-29T21:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2250
[2026-07-29T21:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2141
[2026-07-29T21:50:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-29T22:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2247
[2026-07-29T22:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2152
[2026-07-29T22:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2244
[2026-07-29T22:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2146
[2026-07-29T22:20:08] living_room_occupancy | OccupancySensing.Occupancy = 1

## 任务
请结合下面的 Matter 设备日志，判断是否存在设备健康问题，并说明可能的故障类型。

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: 正常样本两房间仍保持接近；异常样本差值突然扩大且只有一侧偏移。"
  ],
  "key_evidence": [
    "正常样本两房间仍保持接近；异常样本差值突然扩大且只有一侧偏移。"
  ],
  "recommended_actions": [
    "继续监测，无需立即处置。"
  ]
}

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "厨房温度传感器在洗碗机启动后出现数据丢失（None），随后数值异常跳变，表明传感器可能发生故障或连接中断。",
  "reasoning": [
    "推理步骤 1: 在 2026-07-29T19:45:00 时，日志显示厨房洗碗机 (kitchen_dishwasher) 被开启并进入运行状态 (OperationalState = 1)。",
    "推理步骤 2: 紧接着在 2026-07-29T19:27:00 (注：此处时间戳逻辑上应在洗碗机启动前或同时，但结合上下文看是连续监测中的断点)，更关键的是在洗碗机运行期间及之后，厨房温度传感器 (kitchen_temp_sensor) 在 2026-07-29T19:27:00 报告了 'MeasuredValue = None'，这通常表示通信失败、供电中断或传感器内部错误。",
    "推理步骤 3: 虽然日志中 19:27:00 的 None 出现在洗碗机正式启动 (19:45:00) 之前，但在整个下午时段 (14:00-18:00) 厨房温度读数呈现持续下降趋势 (从 24xx 降至 23xx)，而卧室和客厅温度也在同步下降，符合自然冷却规律。然而，19:27:00 突然变为 None 是一个明确的异常事件。考虑到洗碗机工作会产生热量，如果传感器失效，将导致无法监控厨房过热风险。此外，18:20-18:50 期间厨房温度曾异常飙升 (2633->2662)，虽然后来回落，但这可能是空调介入前的短暂峰值，而 19:27 的 None 则是确凿的设备故障信号。综合来看，传感器无法持续提供有效数据属于 sensor_malfunction。",
    "修正推理步骤 3 (基于严格的时间线): 观察日志发现，在 2026-07-29T19:27:00，厨房温度传感器报告值为 'None'。此时洗碗机尚未启动 (19:45:00 启动)。这一孤立的数据丢失事件表明传感器本身出现了通信故障、断电或硬件损坏。尽管后续有洗碗机启动产生热量的场景，但传感器未能正常上报数据构成了安全隐患，因为一旦洗碗机加热，系统将失去对该区域温度的感知能力。"
  ],
  "key_evidence": [
    "[2026-07-29T19:27:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None",
    "[2026-07-29T19:45:00] kitchen_dishwasher | OnOff.OnOff = True"
  ],
  "recommended_actions": [
    "立即检查厨房温度传感器的物理连接和电源状态。",
    "尝试重启 Matter 设备以恢复通信，若无效则更换传感器。",
    "在修复前，建议人工定期手动检查厨房温度，特别是在使用洗碗机等发热设备时。"
  ]
}
```


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: SQ1
- 重点房间: living_room
- 重点设备: living_room_window, living_room_window_contact
- 已选事件数: 119

## 设备事件日志
[2026-08-06T03:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2364
[2026-08-06T03:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2376
[2026-08-06T03:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2387
[2026-08-06T04:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-06T04:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2419
[2026-08-06T04:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2421
[2026-08-06T04:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-08-06T05:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-08-06T05:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2449
[2026-08-06T05:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2461
[2026-08-06T06:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-06T06:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2473
[2026-08-06T06:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2390
[2026-08-06T06:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2485
[2026-08-06T06:21:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T06:25:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T06:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2487
[2026-08-06T06:37:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-08-06T06:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2490
[2026-08-06T06:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2398
[2026-08-06T06:52:00] kitchen_light | OnOff.OnOff = False
[2026-08-06T06:52:09] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T06:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2495
[2026-08-06T06:56:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T07:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2500
[2026-08-06T07:05:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T07:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-08-06T07:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-08-06T07:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-08-06T07:21:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T07:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-08-06T07:30:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T07:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2414
[2026-08-06T07:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-06T07:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-06T07:46:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T07:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-08-06T07:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-06T08:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-06T08:02:09] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T08:05:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T08:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-06T08:11:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T08:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-06T08:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-08-06T08:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-06T08:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-06T08:30:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T08:31:02] front_door_contact | BooleanState.StateValue = False
[2026-08-06T08:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-06T08:35:43] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-06T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-06T08:41:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T08:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-08-06T08:46:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T08:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-06T08:51:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T08:55:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-06T09:01:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T09:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-08-06T09:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-08-06T09:10:00] living_room_window | WindowCovering.CurrentPositionLiftPercent100ths = 5000
[2026-08-06T09:10:00] living_room_window_contact | BooleanState.StateValue = False
[2026-08-06T09:11:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T09:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-06T09:16:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T09:20:00] living_room_window_contact | BooleanState.StateValue = True
[2026-08-06T09:20:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-06T09:26:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T09:31:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T09:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-06T09:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-08-06T09:41:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T09:45:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-06T09:51:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T09:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2449
[2026-08-06T09:56:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T10:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-06T10:01:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T10:05:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T10:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-06T10:16:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T10:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2459
[2026-08-06T10:21:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T10:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-06T10:26:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T10:30:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T10:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-06T10:35:43] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-06T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-06T10:41:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T10:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-08-06T10:46:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T10:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-06T10:51:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T10:55:10] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T11:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-06T11:01:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T11:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-08-06T11:06:00] kitchen_light | OnOff.OnOff = True
[2026-08-06T11:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-08-06T11:11:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T11:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-06T11:16:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T11:21:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T11:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-06T11:26:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T11:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-06T11:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-06T11:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-08-06T11:46:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T11:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-08-06T11:51:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T11:56:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-06T12:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-08-06T12:01:00] kitchen_occupancy | OccupancySensing.Occupancy = 1

## 任务
根据以下传感器与设备记录，评估目标设备当前工作状态是否正常。如异常，请给出故障判断依据。

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设备故障，日志显示为独居老人在早晨起床后的正常活动及环境数据波动。",
  "reasoning": [
    "1. **人员活动模式分析**：日志显示从06:21开始，卧室、厨房、玄关等区域陆续出现 occupancy=1（有人）的状态，符合独居老人早晨起床、洗漱、准备早餐或外出活动的正常生物钟规律。08:31入户门传感器状态变为False（关闭），结合之前的开门动作（隐含在08:02-08:31之间的逻辑中，虽然具体开门事件未在片段开头完整展示，但关门是离开或返回后的正常动作），表明住户可能已出门或正在家中活动，无异常入侵迹象。",
    "2. **重点设备状态分析 (Living Room Window)**：任务指定的重点设备 `living_room_window` 和 `living_room_window_contact` 在09:10至09:20期间有明确操作记录。窗帘位置从默认/关闭状态变为50%开启（CurrentPositionLiftPercent100ths = 5000），同时窗户接触传感器状态由False变为True。这通常意味着用户手动打开了窗户通风，或者智能窗帘与窗户传感器存在联动逻辑（如开窗后窗帘调整）。这种短暂的操作行为属于正常的居住行为，并非持续的非法开启或设备卡死。",
    "3. **温度数据合理性检查**：客厅温度传感器数值从03:10的2364（约23.6°C）缓慢上升至09:00的2549（约25.5°C）。考虑到这是夏季（8月）且上午太阳辐射增强，室内温度自然上升符合物理规律。数值变化平滑，无突变或跳变，排除了传感器漂移或故障的可能。",
    "4. **排除其他风险**：未发现烟雾报警器触发、漏水传感器报警、门锁异常多次尝试或长时间无人活动（健康风险）等情况。所有设备状态均在预期范围内。"
  ],
  "key_evidence": [
    "06:21 - 09:56 多个房间（Bedroom, Kitchen, Entrance）Occupancy 持续为 1，符合早起活动模式。",
    "09:10:00 living_room_window CurrentPositionLiftPercent100ths = 5000 (窗帘半开) 且 09:20:00 living_room_window_contact StateValue = True (窗户打开)，显示正常的通风操作。",
    "03:10 - 09:00 客厅温度从 23.64°C 平稳升至 25.49°C，符合日间升温趋势，无传感器故障特征。"
  ],
  "recommended_actions": [
    "无需采取紧急措施。",
    "建议定期维护窗户传感器，确保其与窗帘开合状态的逻辑一致性（如果窗帘自动开而窗户未开，需检查机械连接；若为用户手动开窗，则当前状态正常）。"
  ]
}
```

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "fire_risk",
  "threat_description": "检测到厨房温度异常升高且伴随人员活动，存在严重的火灾风险隐患。",
  "reasoning": [
    "推理步骤 1: 分析时间线发现，从 06:37 开始，厨房温度传感器 (kitchen_temp_sensor) 报告数值为 None（可能表示传感器故障或信号丢失），随后在 06:45 恢复并持续上升。",
    "推理步骤 2: 对比正常室温数据，客厅和卧室温度在 23-25°C 之间（对应日志中的 23xx-25xx 范围，假设单位为 0.1°C）。然而，厨房温度从 06:10 的 24.73°C 一路攀升至 12:01 的 25.54°C（即 255.4°C 或严重漂移后的相对高温读数，即便按 0.1 换算也是 25.54°C，但结合上下文趋势看，若单位是毫开尔文或其他未归一化值，或者单纯看趋势，其相对于其他房间的高温持续累积非常可疑；更合理的解释是：如果单位是 0.1°C，25.54°C 对于早晨来说略高但不致命；但如果这是绝对温度且单位不同，或者考虑到老人独居，灶具开启后温度应迅速下降或稳定。",
    "修正推理步骤 2: 重新审视数据量级。通常 Matter 传感器温度单位为 0.1°C。客厅 23.64°C -> 25.54°C 是合理的昼夜温差。但是，厨房温度在 06:10 为 24.73°C，到 08:30 达到 25.47°C，之后波动在 25.2-25.5°C 之间。虽然绝对数值看起来像室温，但关键在于**持续性**。",
    "关键推理点发现：请注意日志中 `kitchen_light` 在 06:52 关闭，但在 11:06 才打开。这意味着中间有 4 个小时厨房灯是关的。然而，厨房温度却持续维持在较高水平（25°C+）甚至略有上升趋势，没有因为无人操作而自然回落至夜间低温（如 23°C）。",
    "推理步骤 3: 结合住户画像（独居老人）和行为模式。老人在 06:21 进入卧室，06:25 厨房有人，随后长时间未再出现明确的“离开厨房”导致温度骤降的迹象。特别是 08:31 入户门被打开（False->True? 不，StateValue=False 通常代表解锁或开门状态变化，需确认定义，但紧接着 08:46 玄关有人），表明老人外出过。当老人外出时，厨房温度理应下降。但数据显示，即使在外期间（08:31-09:10 等），厨房温度依然维持在 25°C 以上的高位，且从未回落到与客厅一致的 23-24°C 区间。",
    "推理步骤 4: 最危险的信号是 `kitchen_temp_sensor` 在 06:37 曾短暂报 `None`，这暗示传感器可能过热保护、接触不良或设备本身故障。随后恢复的数据虽然数值看似“正常室温”，但在独居老人家中，厨房温度长期无法降至基础环境温度，极大概率意味着**灶具 (cook_surface) 处于意外开启状态但未产生足够热量使温度飙升（可能是小火慢炖或传感器校准偏差）**，或者更糟的情况是**传感器失效导致误报低温，掩盖了真实的高温火灾风险**。",
    "推理步骤 5: 综合评估，对于一个独居老人家庭，厨房温度在长达数小时内无法随人员离开而自然冷却，且伴随一次传感器数据丢失，构成了极高的火灾隐患（unattended cooking 或 sensor malfunction leading to fire risk）。"
  ],
  "key_evidence": [
    "厨房温度传感器在 06:37 报告 MeasuredValue = None，随后恢复并持续偏高。",
    "尽管老人在 08:31 左右离开家（入户门状态变化及后续玄关/厨房 occupancy 记录显示人员流动），厨房温度并未回落至夜间基准值（~23.6°C），而是维持在 25.2°C - 25.5°C 的高位。",
    "厨房灯光在 06:52 关闭至 11:06 之间长达 4 小时未亮，但温度未降，暗示热源（灶具）可能仍在运行或传感器故障。",
    "独居老人场景下，厨房长时间异常高温且无人员在场监控，属于高危情境。"
  ],
  "recommended_actions": [
    "立即远程通知家属或紧急联系人，告知厨房可能存在火情或设备故障。",
    "尝试通过 Matter 协议远程读取厨房灶具 (cook_surface) 的状态，确认是否处于开启状态。",
    "检查厨房温度传感器硬件状态，必要时安排上门维修或更换，以防传感器失灵掩盖真实高温。",
    "建议系统自动触发厨房烟雾报警器测试，确保联动机制正常。"
  ]
}
```


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

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

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

## 家庭环境信息
家庭布局: 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: SQ1
- 重点房间: living_room
- 重点设备: living_room_ac, living_room_temp_sensor
- 已选事件数: 113

## 设备事件日志
[2026-07-05T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2278
[2026-07-05T07:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-07-05T07:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-07-05T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-07-05T08:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-05T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-07-05T08:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-05T08:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-05T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-05T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-05T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-05T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-05T10:04:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T10:09:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T10:09:16] living_room_ac | Thermostat.SystemMode = 3
[2026-07-05T10:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-05T10:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-07-05T10:19:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-05T10:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-05T10:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2457
[2026-07-05T10:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-05T10:39:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T10:44:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T10:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-05T10:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-05T11:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-07-05T11:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-07-05T11:14:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T11:19:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T11:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-07-05T11:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-05T11:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-05T11:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2437
[2026-07-05T11:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-07-05T11:49:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T11:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-07-05T11:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-07-05T12:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-07-05T12:09:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T12:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-07-05T12:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2793
[2026-07-05T12:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-07-05T12:24:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T12:29:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T12:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2928
[2026-07-05T12:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2408
[2026-07-05T12:37:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-07-05T12:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2415
[2026-07-05T12:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-07-05T12:49:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T12:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2833
[2026-07-05T12:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2413
[2026-07-05T13:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-07-05T13:00:00] living_room_ac | OnOff.OnOff = True
[2026-07-05T13:09:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T13:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2662
[2026-07-05T13:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2395
[2026-07-05T13:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2840
[2026-07-05T13:19:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-05T13:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-07-05T13:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2392
[2026-07-05T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2491
[2026-07-05T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2720
[2026-07-05T13:39:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T13:44:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T13:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2485
[2026-07-05T13:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2472
[2026-07-05T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2610
[2026-07-05T14:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2466
[2026-07-05T14:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2373
[2026-07-05T14:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2470
[2026-07-05T14:14:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T14:19:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T14:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2353
[2026-07-05T14:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-07-05T14:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2457
[2026-07-05T14:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2346
[2026-07-05T14:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-07-05T14:49:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T14:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-07-05T14:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2350
[2026-07-05T15:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-07-05T15:09:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T15:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2437
[2026-07-05T15:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2326
[2026-07-05T15:19:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-05T15:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2428
[2026-07-05T15:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2321
[2026-07-05T15:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2406
[2026-07-05T15:39:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T15:44:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T15:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2401
[2026-07-05T15:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2411
[2026-07-05T16:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2399
[2026-07-05T16:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2298
[2026-07-05T16:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2389
[2026-07-05T16:14:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T16:19:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T16:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2293
[2026-07-05T16:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2383
[2026-07-05T16:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2376
[2026-07-05T16:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2278
[2026-07-05T16:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2372
[2026-07-05T16:49:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T16:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2363
[2026-07-05T16:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2261
[2026-07-05T17:04:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T17:24:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T17:44:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T18:04:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T18:24:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T18:44:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T19:04:00] living_room_occupancy | OccupancySensing.Occupancy = 1

## 任务
请结合下面的 Matter 设备日志，判断是否存在设备健康问题，并说明可能的故障类型。

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: 正常样本空调开启后温度逐步下降；异常样本持续不降反升。"
  ],
  "key_evidence": [
    "正常样本空调开启后温度逐步下降；异常样本持续不降反升。"
  ],
  "recommended_actions": [
    "继续监测，无需立即处置。"
  ]
}

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "厨房温度传感器在正常烹饪时段出现数据丢失和剧烈跳变，疑似硬件故障或通信中断，导致无法准确监测火灾风险。",
  "reasoning": [
    "推理步骤 1: 分析日志发现，厨房温度传感器 (kitchen_temp_sensor) 在 2026-07-05T12:37:00 报告了 'None' 值，表明设备未能上报有效读数，这通常是传感器离线、电源故障或通信模块失效的迹象。",
    "推理步骤 2: 在数据丢失前后（特别是 12:30 至 13:15），该传感器报告的数值出现极度异常的剧烈波动（从 2928 骤降至 2485，再升至 2833，随后又降至 2662）。这种非线性的、大幅度的温度跳变不符合物理规律，排除了真实环境温度快速变化的可能性，确认为传感器读数错误（Drift/Stuck）或固件崩溃。",
    "推理步骤 3: 结合上下文，此时段为午餐时间（12:00-13:00），住户在厨房活动频繁（有灶具使用记录暗示），且卧室和客厅温度正常。关键的安全设备（烟雾报警器通常依赖温度或独立供电，但此处仅监控到温度传感器异常）若失去准确的温度输入，将导致火灾预警系统失效，构成严重的安全隐患。"
  ],
  "key_evidence": [
    "2026-07-05T12:37:00 kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None",
    "2026-07-05T12:30:00 至 13:15:00 期间厨房温度读数在 2400-2900 区间内无规律剧烈震荡，远超正常热惯性范围"
  ],
  "recommended_actions": [
    "立即检查厨房温度传感器的物理连接、电池电量及供电状态。",
    "重启厨房温控设备或重置 Matter 连接以尝试恢复通信。",
    "在修复前，建议人工定期手动检查厨房区域是否有过热迹象，并暂时移除易燃物。",
    "联系设备制造商进行固件更新或硬件更换，因为该传感器已表现出不可靠的测量特性。"
  ]
}
```


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

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

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

## 家庭环境信息
家庭布局: 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: SQ1
- 重点房间: living_room
- 重点设备: living_room_window, living_room_window_contact
- 已选事件数: 118

## 设备事件日志
[2026-08-22T03:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2378
[2026-08-22T03:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2373
[2026-08-22T03:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2390
[2026-08-22T03:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2392
[2026-08-22T04:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-22T04:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2413
[2026-08-22T04:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2428
[2026-08-22T04:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2418
[2026-08-22T04:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-08-22T05:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-08-22T05:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2442
[2026-08-22T05:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-22T05:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2457
[2026-08-22T06:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2466
[2026-08-22T06:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2474
[2026-08-22T06:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2486
[2026-08-22T06:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2485
[2026-08-22T06:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2478
[2026-08-22T06:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-08-22T06:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-22T06:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2484
[2026-08-22T06:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2489
[2026-08-22T06:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-08-22T06:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2499
[2026-08-22T06:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-08-22T07:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-22T07:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2502
[2026-08-22T07:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-08-22T07:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-08-22T07:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-08-22T07:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-08-22T07:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-08-22T07:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-22T07:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-08-22T07:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-22T08:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-22T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-22T08:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-08-22T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-08-22T08:17:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T08:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-22T08:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-22T08:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-08-22T08:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-22T08:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2434
[2026-08-22T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-22T08:42:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T08:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-22T08:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2442
[2026-08-22T08:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-22T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-22T09:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-22T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-22T09:07:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T09:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-08-22T09:10:00] living_room_window | WindowCovering.CurrentPositionLiftPercent100ths = 5000
[2026-08-22T09:10:00] living_room_window_contact | BooleanState.StateValue = False
[2026-08-22T09:13:00] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T09:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-22T09:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-22T09:20:00] living_room_window_contact | BooleanState.StateValue = True
[2026-08-22T09:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2446
[2026-08-22T09:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-22T09:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-22T09:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2457
[2026-08-22T09:40:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-08-22T09:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-22T09:42:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T09:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-08-22T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-22T09:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-08-22T10:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2449
[2026-08-22T10:02:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T10:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-22T10:13:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T10:13:13] living_room_ac | Thermostat.SystemMode = 3
[2026-08-22T10:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-22T10:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-08-22T10:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2559
[2026-08-22T10:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-22T10:32:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T10:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-08-22T10:38:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T10:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-22T10:43:49] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-22T10:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-22T10:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-22T10:52:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T10:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-08-22T10:58:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T11:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-22T11:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-22T11:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-08-22T11:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-08-22T11:18:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T11:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-22T11:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-22T11:27:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T11:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-08-22T11:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-22T11:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-22T11:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-22T11:47:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T11:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-08-22T11:53:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T11:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-08-22T12:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-22T12:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2725
[2026-08-22T12:13:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T12:14:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-08-22T12:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2785
[2026-08-22T12:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-22T12:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-08-22T12:38:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T12:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-08-22T13:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-08-22T13:08:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T13:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2502

## 任务
根据以下传感器与设备记录，评估目标设备当前工作状态是否正常。如异常，请给出故障判断依据。

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: 正常样本窗户/窗帘状态变化一致；异常样本存在重复矛盾读数。"
  ],
  "key_evidence": [
    "正常样本窗户/窗帘状态变化一致；异常样本存在重复矛盾读数。"
  ],
  "recommended_actions": [
    "继续监测，无需立即处置。"
  ]
}

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "厨房温度传感器出现严重数据异常（跳变至 2700+）及通信中断，导致无法准确监测火灾风险。",
  "reasoning": [
    "推理步骤 1: 分析日志发现，在 2026-08-22T12:10:00 时，厨房温度传感器 (kitchen_temp_sensor) 读数从正常的约 2543 (x10) 突然跳变为 2725 (即 27.25°C)，随后在 12:15:00 进一步跳变为 2785 (27.85°C)。虽然数值本身未超过报警阈值，但相对于前一小时稳定的 25.x 度环境，这种短时间内无物理原因的剧烈升温不符合热力学规律。",
    "推理步骤 2: 紧接着在 2026-08-22T12:14:00，该传感器报告了 'MeasuredValue = None'，表明设备发生了通信故障、断电或内部重置。结合之前的异常跳变，这极有可能是传感器硬件故障或固件崩溃的表现。",
    "推理步骤 3: 尽管此时客厅和卧室有人活动且空调开启，但厨房作为高风险区域（有灶具），其核心安全传感器失效属于高危事件。如果真实发生火灾或高温，系统将因传感器故障而无法及时响应，构成潜在的安全盲区。"
  ],
  "key_evidence": [
    "2026-08-22T12:10:00 kitchen_temp_sensor 读数异常跳变至 2725 (单位 x10)",
    "2026-08-22T12:14:00 kitchen_temp_sensor 报告 MeasuredValue = None (通信中断)"
  ],
  "recommended_actions": [
    "立即检查厨房温度传感器的电源连接及电池状态。",
    "尝试重启厨房温度传感器设备以恢复通信。",
    "在修复前，建议人工定期巡查厨房温度，并暂时移除该区域的自动温控依赖。",
    "若重启无效，需联系技术支持更换传感器硬件。"
  ]
}
```


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

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

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

## 家庭环境信息
家庭布局: 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: SQ1
- 重点房间: living_room
- 重点设备: living_room_light_1
- 已选事件数: 110

## 设备事件日志
[2026-07-01T14:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2467
[2026-07-01T14:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-07-01T15:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-01T15:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2410
[2026-07-01T15:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2411
[2026-07-01T16:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2383
[2026-07-01T16:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2364
[2026-07-01T17:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2345
[2026-07-01T17:12:09] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T17:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2354
[2026-07-01T17:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2355
[2026-07-01T17:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2344
[2026-07-01T17:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2339
[2026-07-01T17:30:02] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T17:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2349
[2026-07-01T17:38:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T17:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2324
[2026-07-01T17:50:02] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T17:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2338
[2026-07-01T17:58:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T18:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-01T18:03:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T18:04:12] living_room_light_1 | OnOff.OnOff = True
[2026-07-01T18:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2322
[2026-07-01T18:09:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T18:12:09] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T18:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2318
[2026-07-01T18:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2317
[2026-07-01T18:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2301
[2026-07-01T18:31:30] kitchen_cook_surface | OnOff.OnOff = True
[2026-07-01T18:34:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T18:37:09] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T18:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2314
[2026-07-01T18:43:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T18:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2309
[2026-07-01T18:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2302
[2026-07-01T19:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2302
[2026-07-01T19:04:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T19:05:02] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T19:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2294
[2026-07-01T19:13:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T19:15:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2285
[2026-07-01T19:19:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-07-01T19:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-07-01T19:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2277
[2026-07-01T19:29:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T19:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2290
[2026-07-01T19:34:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T19:35:02] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T19:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2271
[2026-07-01T19:43:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T19:45:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2268
[2026-07-01T19:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2268
[2026-07-01T19:54:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T19:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2271
[2026-07-01T19:59:08] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T20:00:02] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T20:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2273
[2026-07-01T20:08:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T20:10:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2269
[2026-07-01T20:10:00] living_room_light_1 | OnOff.OnOff = True
[2026-07-01T20:10:00] living_room_light_1 | LevelControl.CurrentLevel = 180
[2026-07-01T20:14:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T20:18:00] living_room_light_1 | LevelControl.CurrentLevel = 30
[2026-07-01T20:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2261
[2026-07-01T20:25:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2267
[2026-07-01T20:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-01T20:34:08] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T20:38:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T20:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2254
[2026-07-01T20:44:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T20:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2268
[2026-07-01T20:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2252
[2026-07-01T21:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2255
[2026-07-01T21:03:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T21:05:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2258
[2026-07-01T21:09:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T21:10:02] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T21:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2253
[2026-07-01T21:20:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2245
[2026-07-01T21:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2246
[2026-07-01T21:33:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T21:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2254
[2026-07-01T21:39:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T21:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2258
[2026-07-01T21:44:08] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T21:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2243
[2026-07-01T21:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2246
[2026-07-01T22:00:02] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T22:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2242
[2026-07-01T22:08:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T22:10:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2241
[2026-07-01T22:14:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T22:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2246
[2026-07-01T22:25:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2257
[2026-07-01T22:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-01T22:32:27] front_door_contact | BooleanState.StateValue = True
[2026-07-01T22:34:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T22:35:02] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T22:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2248
[2026-07-01T22:43:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T22:45:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2258
[2026-07-01T22:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2251
[2026-07-01T23:00:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2265
[2026-07-01T23:04:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T23:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2254
[2026-07-01T23:09:08] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T23:12:12] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-01T23:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2250
[2026-07-01T23:19:06] living_room_occupancy | OccupancySensing.Occupancy = 1

## 任务
根据以下传感器与设备记录，评估目标设备当前工作状态是否正常。如异常，请给出故障判断依据。

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": "未检测到针对客厅主灯或家庭环境的安全威胁，所有设备状态变化符合正常晚间居家活动模式。",
  "reasoning": [
    "1. 分析目标设备 living_room_light_1 的状态：日志显示该灯在 18:04、20:10 开启，并在 20:18 调整亮度至 30（低亮度/氛围模式）。这种操作序列（开灯 -> 调暗）是典型的晚间休闲或准备休息的行为，属于正常的用户交互，非异常激活。",
    "2. 验证环境上下文：在灯光操作期间（18:00-20:30），客厅运动传感器 (living_room_occupancy) 多次报告 Occupancy=1，且餐厅、厨房、儿童房等区域也有人员活动迹象。这表明有人在家并正常使用了照明设施，排除了无人时的非法入侵或误触可能。",
    "3. 检查关联安全指标：同一时间段内，厨房灶具 (kitchen_cook_surface) 仅在 18:31-19:19 短暂开启后关闭，无长时间无人看管迹象；烟雾报警器、漏水传感器、门窗传感器均无报警或异常触发记录。温度数据平稳下降，符合夏季傍晚自然降温规律。"
  ],
  "key_evidence": [
    "living_room_light_1 在 18:04 和 20:10 开启，伴随 20:18 的亮度调节，行为连贯且合理。",
    "living_room_occupancy 在灯光操作时段内持续或间歇性检测到人 (Occupancy=1)，证实为正常使用。",
    "其他关键安全设备（门锁、烟雾、漏水）在对应时间段内无任何异常事件上报。"
  ],
  "recommended_actions": [
    "无需采取任何安全措施，当前系统运行正常。",
    "建议继续保持当前的自动化规则（如根据 occupancy 控制灯光），以维持良好的用户体验。"
  ]
}
```

{
  "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 OnOff 和亮度值一致变化；异常样本存在持续矛盾状态。"
  ],
  "recommended_actions": [
    "建议立即检查并触发安全响应。"
  ]
}