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: master_bedroom_occupancy
- 已选事件数: 138

## 设备事件日志
[2026-08-15T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2272
[2026-08-15T00:00:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T00:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T00:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2280
[2026-08-15T00:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2280
[2026-08-15T00:20:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2278
[2026-08-15T00:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2283
[2026-08-15T00:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T00:30:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T00:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2284
[2026-08-15T00:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2288
[2026-08-15T00:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2280
[2026-08-15T00:55:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2289
[2026-08-15T01:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2297
[2026-08-15T01:00:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T01:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T01:05:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2304
[2026-08-15T01:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2306
[2026-08-15T01:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2294
[2026-08-15T01:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2311
[2026-08-15T01:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2314
[2026-08-15T01:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T01:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2304
[2026-08-15T01:40:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2311
[2026-08-15T01:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2325
[2026-08-15T01:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2330
[2026-08-15T02:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2328
[2026-08-15T02:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T02:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2318
[2026-08-15T02:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2322
[2026-08-15T02:15:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2332
[2026-08-15T02:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2342
[2026-08-15T02:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2353
[2026-08-15T02:30:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T02:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T02:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2357
[2026-08-15T02:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2356
[2026-08-15T02:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2347
[2026-08-15T02:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2360
[2026-08-15T03:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T03:00:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T03:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T03:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2361
[2026-08-15T03:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2372
[2026-08-15T03:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2384
[2026-08-15T03:25:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2375
[2026-08-15T03:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2388
[2026-08-15T03:30:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T03:35:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2383
[2026-08-15T03:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2380
[2026-08-15T03:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2384
[2026-08-15T03:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2387
[2026-08-15T04:00:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2404
[2026-08-15T04:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T04:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2396
[2026-08-15T04:10:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2407
[2026-08-15T04:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2415
[2026-08-15T04:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2417
[2026-08-15T04:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2420
[2026-08-15T04:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T04:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2423
[2026-08-15T04:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2419
[2026-08-15T04:45:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-08-15T04:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-08-15T05:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2428
[2026-08-15T05:00:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T05:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T05:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T05:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2449
[2026-08-15T05:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-08-15T05:20:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2449
[2026-08-15T05:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-08-15T05:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T05:30:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T05:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2461
[2026-08-15T05:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2476
[2026-08-15T05:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2479
[2026-08-15T05:55:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2476
[2026-08-15T06:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2483
[2026-08-15T06:00:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T06:05:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2478
[2026-08-15T06:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2482
[2026-08-15T06:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2487
[2026-08-15T06:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2495
[2026-08-15T06:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2499
[2026-08-15T06:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T06:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2485
[2026-08-15T06:40:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2497
[2026-08-15T06:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-08-15T06:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-08-15T07:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-08-15T07:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T07:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T07:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-08-15T07:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-08-15T07:15:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-08-15T07:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2505
[2026-08-15T07:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-08-15T07:30:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T07:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T07:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-08-15T07:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-15T07:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-15T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T08:00:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T08:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-08-15T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-15T08:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-15T08:25:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-15T08:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-15T08:30:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T08:35:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-15T08:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-15T08:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-15T08:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-15T09:00:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-15T09:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T09:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-15T09:10:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-15T09:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-15T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-08-15T09:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-08-15T09:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T09:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-15T09:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-15T09:45:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-15T09:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-15T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-15T10:00:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T10:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T10:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2559
[2026-08-15T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-15T11:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T11:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-15T11:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-15T12:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-08-15T12:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T12:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510

## 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": true,
  "confidence": "high",
  "threat_type": "sensor_drift",
  "threat_description": "主卧 occupancy 传感器在凌晨时段出现频繁且无逻辑的状态翻转（0/1交替），疑似传感器故障或受到干扰，导致状态不稳定。",
  "reasoning": [
    "分析目标设备 master_bedroom_occupancy 在 2026-08-15 凌晨至早晨的时间段内的状态变化。",
    "观察到以下异常序列：01:00 (1) -> 02:00 (0) -> 03:00 (1) -> 04:30 (0) -> 05:00 (1) -> 07:00 (0, 1)。",
    "这种在深夜睡眠期间，每1-2小时就在 '有人' 和 '无人' 之间切换的模式不符合正常人类睡眠行为（通常整晚保持静止或极少移动）。",
    "结合同一时间段内其他房间（如客厅、餐厅、玄关）的 occupancy 传感器均稳定显示为 0（无人），排除了全屋人员活动导致误报的可能性。",
    "温度数据虽然持续上升（符合夏季夜间室温自然升高规律），但与 occupancy 的剧烈波动无直接因果关系，进一步佐证了这是传感器自身的问题而非环境剧变。",
    "07:00 时刻连续上报 0 然后 1，可能是传感器重启或信号抖动导致的瞬时错误，也是不稳定的表现。"
  ],
  "key_evidence": [
    "[2026-08-15T02:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0",
    "[2026-08-15T03:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1",
    "[2026-08-15T04:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0",
    "[2026-08-15T05:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1",
    "[2026-08-15T07:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0",
    "[2026-08-15T07:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1"
  ],
  "recommended_actions": [
    "检查主卧运动传感器的安装位置，确认是否有热源（如空调出风口）、宠物或窗帘摆动等干扰源。",
    "尝试重启该 occupancy 传感器，观察问题是否解决。",
    "如果问题持续，建议更换传感器硬件，因为频繁的误报可能导致自动化场景（如安防布防、灯光控制）失效。"
  ]
}
```

{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_stuck",
  "threat_description": "运动传感器持续报 Occupied",
  "reasoning": [
    "推理步骤1: 日志中出现了不存在的额外报警事件。"
  ],
  "key_evidence": [
    "我假设看到了一个未在日志中出现的 critical 告警。"
  ],
  "recommended_actions": [
    "判断为占用传感器卡死，建议检修或重置。"
  ]
}


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_ac, living_room_temp_sensor
- 已选事件数: 120

## 设备事件日志
[2026-08-24T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2263
[2026-08-24T07:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-08-24T07:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-08-24T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-08-24T08:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-24T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-24T08:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-24T08:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-24T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-24T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-24T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-24T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-24T10:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-24T10:02:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-24T10:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-24T10:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-24T10:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2559
[2026-08-24T10:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-08-24T10:22:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-24T10:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-24T10:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-08-24T10:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-24T10:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-24T10:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-24T10:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-24T10:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-24T10:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-24T10:55:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-24T11:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-24T11:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-24T11:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-24T11:07:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-24T11:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-24T11:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-24T11:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-24T11:27:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-24T11:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-24T11:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-24T11:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-24T11:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-24T11:40:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-24T11:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-08-24T11:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-08-24T11:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-24T12:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-24T12:02:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-24T12:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-24T12:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-08-24T12:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-08-24T12:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-08-24T12:22:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-24T12:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-08-24T12:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-24T12:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-08-24T12:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-08-24T12:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-08-24T12:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2502
[2026-08-24T12:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-08-24T12:55:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-24T13:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-24T13:00:00] living_room_ac | OnOff.OnOff = True
[2026-08-24T13:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-08-24T13:07:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-24T13:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2497
[2026-08-24T13:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2491
[2026-08-24T13:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2920
[2026-08-24T13:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2491
[2026-08-24T13:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-08-24T13:27:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-24T13:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2487
[2026-08-24T13:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-24T13:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-08-24T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2940
[2026-08-24T13:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2476
[2026-08-24T13:40:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-24T13:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2488
[2026-08-24T13:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2488
[2026-08-24T13:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2474
[2026-08-24T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2960
[2026-08-24T14:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2467
[2026-08-24T14:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-24T14:02:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-24T14:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2466
[2026-08-24T14:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2465
[2026-08-24T14:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2458
[2026-08-24T14:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2463
[2026-08-24T14:22:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-24T14:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2464
[2026-08-24T14:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2464
[2026-08-24T14:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-24T14:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-08-24T14:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2459
[2026-08-24T14:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-08-24T14:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-08-24T14:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-08-24T14:55:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-24T15:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-08-24T15:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-24T15:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2429
[2026-08-24T15:07:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-24T15:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2434
[2026-08-24T15:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2437
[2026-08-24T15:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2424
[2026-08-24T15:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2424
[2026-08-24T15:27:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-24T15:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2420
[2026-08-24T15:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-24T15:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2408
[2026-08-24T15:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2410
[2026-08-24T15:40:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-24T15:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2399
[2026-08-24T15:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2416
[2026-08-24T15:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2398
[2026-08-24T16:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2402
[2026-08-24T16:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-24T16:02:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-24T16:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2402
[2026-08-24T16:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2386
[2026-08-24T16:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2397
[2026-08-24T16:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2387

## 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。

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "客厅温度传感器出现间歇性极高数值读数（约29.2°C-29.6°C），与同一时间段内其他房间及整体环境趋势严重不符，疑似传感器故障或数据上报错误。",
  "reasoning": [
    "1. 建立基准：分析日志中其他所有温度传感器（厨房、主卧、次卧）的数据，发现从07:00到16:20，全屋温度呈现一致的缓慢下降趋势（从~25.4°C降至~23.8°C），且各房间温差极小（通常在1-2°C以内），表明家庭环境温度处于正常且均匀的降温过程中。",
    "2. 识别异常点：在13:15、13:35和13:55三个时间点，客厅温度传感器（living_room_temp_sensor）突然报告了2920、2940、2960的测量值。根据Matter标准，TemperatureMeasurement.MeasuredValue单位为厘氏度（celsius * 100），即29.2°C、29.4°C、29.6°C。",
    "3. 排除合理场景：此时段客厅空调已开启（13:00 OnOff=True），通常会导致室温降低而非升高。更重要的是，在同一时刻，相邻的厨房和卧室温度均在24-25°C左右，且随后客厅温度迅速回落至24.7°C（13:40）。这种瞬间飙升后又迅速恢复正常的现象，不符合物理热惯性规律，也不符合空调制冷的逻辑。",
    "4. 结论：该异常表现为典型的传感器硬件故障、校准漂移或通信数据包损坏导致的错误读数，属于设备健康问题。"
  ],
  "key_evidence": [
    "[2026-08-24T13:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2920 (同时厨房为2497，主卧为2491)",
    "[2026-08-24T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2940 (同时厨房为2487)",
    "[2026-08-24T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2960 (同时次卧为2474)",
    "[2026-08-24T13:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2476 (异常值后迅速恢复正常范围)"
  ],
  "recommended_actions": [
    "检查客厅温度传感器的电池电量，低电量可能导致读数不稳定。",
    "尝试重启客厅温度传感器或重新配网，以排除临时软件/通信故障。",
    "若问题持续存在，建议更换客厅温度传感器硬件。",
    "暂时忽略该传感器的自动温控逻辑，避免空调因误报高温而过度制冷。"
  ]
}
```

{
  "is_anomaly": false,
  "confidence": "medium",
  "threat_type": "none",
  "threat_description": "这些变化仍可视为正常波动。",
  "reasoning": [
    "推理步骤1: 没有看到必须报警的直接证据。"
  ],
  "key_evidence": [
    "设备状态变化幅度看起来仍在可接受范围内。"
  ],
  "recommended_actions": [
    "保持观察即可。"
  ]
}


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: 128

## 设备事件日志
[2026-08-05T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2270
[2026-08-05T07:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-08-05T07:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-08-05T07:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-08-05T07:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-08-05T08:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-08-05T08:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-05T08:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-05T08:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-05T08:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-05T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-05T09:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-05T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-05T09:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-05T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-05T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-08-05T10:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-05T10:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-05T10:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-05T10:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2459
[2026-08-05T10:12:09] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T10:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-08-05T10:18:37] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T10:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-05T10:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2442
[2026-08-05T10:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T10:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-08-05T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-05T10:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-08-05T10:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-05T10:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-05T10:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-05T10:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-05T10:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-08-05T11:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-05T11:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-05T11:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-05T11:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-05T11:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-08-05T11:12:09] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T11:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-08-05T11:18:37] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T11:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-08-05T11:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-05T11:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-05T11:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T11:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-08-05T11:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-05T11:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-05T11:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-08-05T11:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-08-05T11:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-05T11:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2428
[2026-08-05T12:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-08-05T12:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-08-05T12:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-05T12:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2420
[2026-08-05T12:12:09] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T12:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-08-05T12:18:37] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T12:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2417
[2026-08-05T12:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-08-05T12:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-08-05T12:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2413
[2026-08-05T12:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T12:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2407
[2026-08-05T12:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-08-05T12:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-08-05T12:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2502
[2026-08-05T12:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-08-05T12:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-08-05T12:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2500
[2026-08-05T12:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2398
[2026-08-05T13:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-08-05T13:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-08-05T13:00:00] living_room_ac | OnOff.OnOff = True
[2026-08-05T13:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2497
[2026-08-05T13:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2505
[2026-08-05T13:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2394
[2026-08-05T13:12:09] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T13:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2407
[2026-08-05T13:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2920
[2026-08-05T13:18:37] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T13:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-08-05T13:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2396
[2026-08-05T13:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T13:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2379
[2026-08-05T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2940
[2026-08-05T13:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2485
[2026-08-05T13:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2491
[2026-08-05T13:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2474
[2026-08-05T13:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2490
[2026-08-05T13:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2480
[2026-08-05T13:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2473
[2026-08-05T13:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2382
[2026-08-05T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2960
[2026-08-05T14:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2464
[2026-08-05T14:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2466
[2026-08-05T14:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2470
[2026-08-05T14:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2480
[2026-08-05T14:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2367
[2026-08-05T14:12:09] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T14:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2375
[2026-08-05T14:18:37] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T14:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2355
[2026-08-05T14:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2457
[2026-08-05T14:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-08-05T14:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2349
[2026-08-05T14:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T14:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2361
[2026-08-05T14:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-08-05T14:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2459
[2026-08-05T14:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-08-05T14:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-08-05T14:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-08-05T14:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-08-05T15:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2442
[2026-08-05T15:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2428
[2026-08-05T15:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2426
[2026-08-05T15:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-08-05T15:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2340
[2026-08-05T15:12:09] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T15:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2339
[2026-08-05T15:18:37] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T15:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2323

## 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。

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "客厅温度传感器出现间歇性极高数值读数（约29.2°C-29.6°C），与同一时间段内其他房间及厨房的合理温度读数严重不符，且该异常值在空调开启后迅速消失，符合传感器故障或数据上报错误的特征。",
  "reasoning": [
    "1. 建立基准：分析日志中其他设备（厨房、卧室）的温度读数，发现它们在白天时段（07:00-15:20）稳定在23°C-25°C之间，变化平缓，符合正常室内环境温度波动。",
    "2. 识别异常点：客厅温度传感器在13:15、13:35、13:55三个时间点分别报出2920 (29.2°C)、2940 (29.4°C)、2960 (29.6°C) 的数值。这些数值显著高于全屋其他区域的温度，且呈现非自然的阶梯式上升。",
    "3. 排除环境因素：虽然13:00客厅空调开启，但空调通常旨在降温。若因故障导致热风直吹或传感器被遮挡，温度应缓慢上升并维持高位，而非瞬间跳变到近30度后又迅速回落至24.8°C（13:40）。这种“尖峰”式的瞬时错误读数更倾向于电子故障、通信干扰或固件Bug。",
    "4. 关联行为验证：在异常读数期间（13:15-13:55），客厅 occupancy 传感器显示为0（无人），排除了人体热源直接干扰传感器的可能性。同时，空调在13:00开启，随后的正常读数表明空调系统本身工作正常，进一步佐证是传感器读数错误而非实际室温过高。"
  ],
  "key_evidence": [
    "[2026-08-05T13:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2920 (异常高值)",
    "[2026-08-05T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2940 (异常高值)",
    "[2026-08-05T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2960 (异常高值)",
    "[2026-08-05T13:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2491 (正常参考值)",
    "[2026-08-05T13:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2485 (恢复正常)"
  ],
  "recommended_actions": [
    "检查客厅温度传感器的物理安装位置，确认是否有阳光直射、靠近发热源或被物体遮挡的情况。",
    "尝试重启客厅温度传感器或重置其网络连接，以排除临时性的通信错误或固件卡顿。",
    "如果问题持续存在，建议更换客厅温度传感器硬件。"
  ]
}
```

{
  "is_anomaly": false,
  "confidence": "medium",
  "threat_type": "none",
  "threat_description": "这些变化仍可视为正常波动。",
  "reasoning": [
    "推理步骤1: 没有看到必须报警的直接证据。"
  ],
  "key_evidence": [
    "设备状态变化幅度看起来仍在可接受范围内。"
  ],
  "recommended_actions": [
    "保持观察即可。"
  ]
}


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: master_bedroom_occupancy
- 已选事件数: 135

## 设备事件日志
[2026-07-17T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2261
[2026-07-17T00:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-17T00:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2282
[2026-07-17T00:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2266
[2026-07-17T00:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2281
[2026-07-17T00:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2283
[2026-07-17T00:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2281
[2026-07-17T00:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-17T00:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2279
[2026-07-17T00:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2285
[2026-07-17T00:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2293
[2026-07-17T00:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2283
[2026-07-17T01:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2296
[2026-07-17T01:00:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-17T01:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T01:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2292
[2026-07-17T01:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2308
[2026-07-17T01:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2302
[2026-07-17T01:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2297
[2026-07-17T01:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2307
[2026-07-17T01:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-07-17T01:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2319
[2026-07-17T01:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2316
[2026-07-17T01:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2318
[2026-07-17T01:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2330
[2026-07-17T02:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-17T02:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2332
[2026-07-17T02:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2340
[2026-07-17T02:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2325
[2026-07-17T02:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2327
[2026-07-17T02:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2333
[2026-07-17T02:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-17T02:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2342
[2026-07-17T02:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2347
[2026-07-17T02:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2357
[2026-07-17T02:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2361
[2026-07-17T03:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2364
[2026-07-17T03:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-17T03:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T03:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2362
[2026-07-17T03:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2368
[2026-07-17T03:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2365
[2026-07-17T03:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2383
[2026-07-17T03:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2391
[2026-07-17T03:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-17T03:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2375
[2026-07-17T03:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2399
[2026-07-17T03:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2385
[2026-07-17T03:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2395
[2026-07-17T04:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2394
[2026-07-17T04:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-07-17T04:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2415
[2026-07-17T04:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2412
[2026-07-17T04:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2417
[2026-07-17T04:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2424
[2026-07-17T04:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-17T04:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2414
[2026-07-17T04:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-07-17T04:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-07-17T04:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2437
[2026-07-17T05:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-07-17T05:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-17T05:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T05:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-07-17T05:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-07-17T05:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-07-17T05:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2458
[2026-07-17T05:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2460
[2026-07-17T05:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-17T05:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2457
[2026-07-17T05:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-07-17T05:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2479
[2026-07-17T05:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2471
[2026-07-17T06:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2465
[2026-07-17T06:00:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-17T06:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2477
[2026-07-17T06:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2488
[2026-07-17T06:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2476
[2026-07-17T06:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2485
[2026-07-17T06:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2485
[2026-07-17T06:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-07-17T06:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-07-17T06:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2495
[2026-07-17T06:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-07-17T06:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-07-17T06:56:06] kitchen_light | OnOff.OnOff = True
[2026-07-17T07:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2499
[2026-07-17T07:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-07-17T07:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T07:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-07-17T07:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-07-17T07:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-07-17T07:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-07-17T07:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-07-17T07:31:00] kitchen_light | OnOff.OnOff = False
[2026-07-17T07:31:27] front_door_contact | BooleanState.StateValue = True
[2026-07-17T07:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-07-17T07:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-07-17T07:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-07-17T07:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-07-17T07:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-07-17T08:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-07-17T08:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-17T08:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-17T08:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-17T08:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-07-17T08:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-17T08:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-17T08:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-17T08:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-17T08:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-17T08:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-17T08:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-17T08:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-17T09:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-17T09:01:28] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T09:21:28] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-17T09:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-17T09:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-17T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-17T09:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-17T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-17T09:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-07-17T09:57:34] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-17T10:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-17T10:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-17T10:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-17T10:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-07-17T11:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-17T11:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-17T11:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-17T12:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-17T12:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-07-17T12:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-07-17T13:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0

## 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。

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "主卧 occupancy 传感器出现高频状态翻转（0-1-0-1），且伴随温度读数异常飙升，疑似传感器硬件故障或数据上报错误。",
  "reasoning": [
    "1. 分析主卧 occupancy 传感器日志：在 01:00、03:00、05:00、07:00 等时间点，该传感器在短时间内连续上报 Occupancy = 1 和 Occupancy = 0 的状态变化（例如 05:00 同时上报 0 和 1）。这种在无人活动迹象下的频繁状态跳变不符合正常人类行为模式，属于典型的传感器信号不稳定或硬件故障特征。",
    "2. 分析温度数据关联性：主卧温度传感器在同一时间段内（如 04:40 至 08:00）读数从 2436 迅速飙升至 2531（Matter 协议中通常单位为 0.01°C，即 24.36°C 到 25.31°C，虽然数值本身在合理室温范围，但结合 occupancy 的剧烈波动，需考虑是否为同一故障模块导致的连带数据异常，或者仅仅是巧合）。然而，更关键的证据在于 occupancy 本身的逻辑矛盾。",
    "3. 排除正常行为：日志显示其他房间（如客厅、厨房）的 occupancy 均为 0 或无相关活动记录，且入户门传感器在 07:31 才打开，说明早晨 05:00-07:00 期间家中大概率无人。在此背景下，主卧 occupancy 传感器反复检测到人并随即消失，极大概率是传感器误报（Ghost Detection）或固件/通信故障。"
  ],
  "key_evidence": [
    "[2026-07-17T05:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0",
    "[2026-07-17T05:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1",
    "[2026-07-17T03:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1",
    "[2026-07-17T01:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1"
  ],
  "recommended_actions": [
    "检查主卧 occupancy 传感器的安装位置，确保没有受到强光直射、热源干扰或振动影响。",
    "尝试重启该传感器设备，观察是否仍存在频繁的状态翻转现象。",
    "如果问题持续，建议更换主卧 occupancy 传感器，以消除误报对自动化场景（如夜间照明、安防报警）的潜在干扰。"
  ]
}
```

{
  "is_anomaly": false,
  "confidence": "medium",
  "threat_type": "none",
  "threat_description": "这些变化仍可视为正常波动。",
  "reasoning": [
    "推理步骤1: 没有看到必须报警的直接证据。"
  ],
  "key_evidence": [
    "设备状态变化幅度看起来仍在可接受范围内。"
  ],
  "recommended_actions": [
    "保持观察即可。"
  ]
}


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: bedroom_temp_sensor, living_room_temp_sensor
- 已选事件数: 131

## 设备事件日志
[2026-08-25T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2265
[2026-08-25T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-25T09:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-25T09:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-25T09:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-25T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-08-25T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-25T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-25T10:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-25T10:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-25T10:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-08-25T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-25T10:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-25T11:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-25T11:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-25T11:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-25T11:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-25T11:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-25T11:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-25T12:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-08-25T12:04:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T12:08:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T12:11:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T12:16:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T12:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-25T12:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-08-25T12:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2418
[2026-08-25T12:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-08-25T12:48:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T12:52:04] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T12:56:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T13:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-08-25T13:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2412
[2026-08-25T13:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-08-25T13:13:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T13:17:04] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T13:21:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T13:25:19] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-25T13:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2382
[2026-08-25T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2481
[2026-08-25T13:38:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T13:42:04] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T13:46:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T13:51:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T13:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2482
[2026-08-25T14:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2467
[2026-08-25T14:03:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T14:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2463
[2026-08-25T14:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2366
[2026-08-25T14:23:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T14:25:19] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-25T14:30:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T14:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-08-25T14:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2354
[2026-08-25T14:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-08-25T14:48:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T14:51:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T14:55:13] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T15:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-08-25T15:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2410
[2026-08-25T15:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2420
[2026-08-25T15:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2342
[2026-08-25T15:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-08-25T15:13:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T15:16:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T15:20:13] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T15:25:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T15:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2329
[2026-08-25T15:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2416
[2026-08-25T15:38:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T15:41:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T15:45:13] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T15:50:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T15:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2410
[2026-08-25T16:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2391
[2026-08-25T16:03:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T16:06:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T16:10:13] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T16:15:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T16:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2385
[2026-08-25T16:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2292
[2026-08-25T16:28:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T16:31:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T16:35:13] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T16:40:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T16:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2380
[2026-08-25T16:50:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T16:50:30] kitchen_cook_surface | OnOff.OnOff = True
[2026-08-25T17:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2254
[2026-08-25T17:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-08-25T17:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2920
[2026-08-25T17:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2352
[2026-08-25T17:06:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T17:10:13] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T17:15:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T17:20:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T17:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2336
[2026-08-25T17:29:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-08-25T17:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2345
[2026-08-25T17:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2237
[2026-08-25T17:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2321
[2026-08-25T17:51:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T17:55:13] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T18:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T18:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2323
[2026-08-25T18:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2212
[2026-08-25T18:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2319
[2026-08-25T18:16:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T18:20:13] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T18:25:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T18:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2311
[2026-08-25T18:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2205
[2026-08-25T18:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2308
[2026-08-25T18:41:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T18:45:13] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T18:50:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T18:55:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T19:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2185
[2026-08-25T19:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2286
[2026-08-25T19:06:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T19:10:13] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T19:15:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T19:20:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T19:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2276
[2026-08-25T19:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2280
[2026-08-25T19:31:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T19:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2286
[2026-08-25T19:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2175
[2026-08-25T19:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2278
[2026-08-25T19:52:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T19:55:19] bathroom_occupancy | OccupancySensing.Occupancy = 0

## 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。

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "卧室温度传感器在17:00出现瞬间读数跳变（从22.54°C飙升至29.20°C），随后恢复正常，疑似传感器故障或数据上报异常。",
  "reasoning": [
    "分析卧室温度传感器（bedroom_temp_sensor）的数据序列：在16:25读数为22.92°C，17:00首次报值为22.54°C，但在同一分钟（17:00:00）的第二次报值中突然变为29.20°C。",
    "对比其他房间温度趋势：客厅和厨房温度在17:00左右分别为24.40°C和23.36°C，且整体呈缓慢下降趋势（从上午的25°C+降至傍晚的22-23°C）。卧室作为相对封闭空间，温度通常与客厅接近或略低，不可能在短时间内从22.54°C剧烈上升至29.20°C并立即在后续时间点（17:45）回落至22.37°C。",
    "排除环境因素：该跳变仅持续一个数据点，且没有伴随空调开启、窗户打开或人体长时间停留导致的温升迹象（ occupancy 传感器虽显示有人，但温度变化幅度和速度不符合热力学常识）。",
    "结论：这种非物理性的瞬时数值突变是典型的传感器硬件故障、校准漂移或通信数据包错误特征。"
  ],
  "key_evidence": [
    "[2026-08-25T17:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2920 (对应29.20°C)",
    "[2026-08-25T17:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2254 (对应22.54°C，正常值)",
    "[2026-08-25T17:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2237 (对应22.37°C，恢复正常)"
  ],
  "recommended_actions": [
    "检查卧室温度传感器的电池电量，低电量可能导致读数不稳定。",
    "尝试重启或重新配对该Matter设备，若问题依旧，建议更换传感器硬件。",
    "监控未来几天的温度数据，确认是否再次出现类似跳变。"
  ]
}
```

{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_drift",
  "threat_description": "相邻房间温度读数差异突然增大",
  "reasoning": [
    "推理步骤1: 日志中出现了不存在的额外报警事件。"
  ],
  "key_evidence": [
    "我假设看到了一个未在日志中出现的 critical 告警。"
  ],
  "recommended_actions": [
    "判断为传感器漂移或局部测量故障。"
  ]
}


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 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 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 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: balcony
- 重点设备: balcony_laundry_washer
- 已选事件数: 124

## 设备事件日志
[2026-08-17T07:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-08-17T07:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-08-17T07:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T07:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-08-17T07:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2502
[2026-08-17T07:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-08-17T07:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-08-17T07:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-08-17T07:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-08-17T07:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-08-17T07:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T07:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T07:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-08-17T07:38:12] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T07:38:20] front_door_contact | BooleanState.StateValue = False
[2026-08-17T07:38:26] front_door_lock | Event: LockOperation(LockOperationType=0, OperationSource=Manual)
[2026-08-17T07:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-08-17T07:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-08-17T07:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-17T07:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-17T07:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-17T08:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-17T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T08:03:21] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T08:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-17T08:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-17T08:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-17T08:18:05] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T08:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-17T08:23:21] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T08:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-17T08:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-17T08:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-17T08:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T08:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-17T08:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-17T08:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-17T08:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-17T08:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-17T08:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-17T08:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-17T08:58:21] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T09:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-17T09:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-17T09:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-17T09:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-17T09:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-17T09:18:21] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T09:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-17T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-17T09:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-17T09:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-17T09:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T09:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2559
[2026-08-17T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-17T09:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-17T09:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-08-17T09:48:05] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T09:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2559
[2026-08-17T09:53:21] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T09:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-17T10:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-17T10:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T10:00:00] balcony_laundry_washer | OperationalState.OperationalState = 1
[2026-08-17T10:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-17T10:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-17T10:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-17T10:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-17T10:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-17T10:20:00] balcony_laundry_washer | OperationalState.CountdownTime = 2400
[2026-08-17T10:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-08-17T10:28:21] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T10:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-17T10:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T10:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-17T10:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-17T10:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-17T10:40:00] balcony_laundry_washer | OperationalState.CountdownTime = 2400
[2026-08-17T10:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-17T10:48:21] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T10:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-17T10:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-17T10:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-17T11:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-17T11:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T11:00:00] balcony_laundry_washer | OperationalState.CountdownTime = 2400
[2026-08-17T11:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-17T11:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-17T11:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-17T11:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-17T11:18:05] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T11:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-17T11:23:21] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T11:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-17T11:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-17T11:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-17T11:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T11:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-17T11:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-08-17T11:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-08-17T11:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-17T11:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-17T11:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-08-17T11:58:21] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T12:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-08-17T12:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T12:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-17T12:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-17T12:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-17T12:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-17T12:18:21] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-17T12:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-08-17T12:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-08-17T12:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-08-17T12:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-08-17T12:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T12:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-08-17T12:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-08-17T12:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-08-17T12:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-08-17T12:48:05] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-17T12:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2502
[2026-08-17T12:53:21] entrance_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。

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_stuck",
  "threat_description": "入户门运动传感器（entrance_occupancy）在长达5小时内持续报告有人存在，且与门锁状态及实际生活逻辑严重冲突，疑似传感器故障或卡死。",
  "reasoning": [
    "1. 观察日志发现，从 07:38:12 到 12:53:21（约5小时15分钟），`entrance_occupancy` 传感器始终报告 `Occupancy = 1`（有人）。",
    "2. 在此期间，虽然 07:38 左右有一次正常的开门/解锁动作，但随后没有任何其他设备（如玄关灯、其他房间传感器）显示有人活动的迹象，且住户似乎并未长时间停留在玄关区域。",
    "3. 更关键的是，在 08:00、09:00、10:00、11:00、12:00 等整点时刻，卧室和客厅的 occupancy 传感器均报告为 0（无人），表明住户可能处于睡眠、外出或其他非活动状态，这与玄关持续“有人”的状态相矛盾。",
    "4. 这种长时间内单一传感器持续高电平而无后续交互行为（如灯光控制、门锁再次操作）的模式，是典型的传感器硬件故障（Stuck Sensor）特征，而非真实的人类行为。"
  ],
  "key_evidence": [
    "[2026-08-17T07:38:12] entrance_occupancy | OccupancySensing.Occupancy = 1",
    "[2026-08-17T12:53:21] entrance_occupancy | OccupancySensing.Occupancy = 1",
    "上述时间段内无其他关联设备（如玄关灯、门锁）的活跃交互记录",
    "同一时间段内主卧、次卧、客厅 occupancy 多次报告为 0"
  ],
  "recommended_actions": [
    "检查入户门运动传感器的物理安装位置，确认是否有遮挡物导致误报或硬件损坏。",
    "尝试重启该传感器或更换电池，观察问题是否解决。",
    "若问题持续，建议联系供应商进行售后维修或更换传感器。"
  ]
}
```

```json
{
  "is_anomaly": false,
  "confidence": "high",
  "threat_type": "none",
  "threat_description": "日志显示家庭环境处于正常的日常活动状态，设备运行符合预期，未发现安全威胁或异常故障。",
  "reasoning": [
    "时间线与行为一致性：日志记录的时间段（07:00 - 12:53）覆盖了典型的早晨至中午时段。入户门传感器和门锁在多个时间点（如 07:38, 08:03, 08:23 等）检测到人员进出，且随后客厅、厨房等公共区域出现人员活动迹象（温度变化、占用状态），这与住户正常起床、出门上班/上学及回家吃饭的行为模式高度吻合。",
    "设备状态正常：阳台洗衣机（balcony_laundry_washer）在 10:00 启动，并在后续时间点报告倒计时为 2400 秒（40 分钟），表明其正在按计划运行，未出现卡死或报错状态。",
    "传感器数据合理：所有温度传感器的读数均在 25.0°C 至 25.6°C 之间波动，属于夏季室内正常室温范围，无过热或漂移现象；运动传感器和接触传感器的触发逻辑连贯，未见长时间误报或信号丢失。",
    "无危险事件：未检测到烟雾报警、漏水报警、门锁被非法操作（如多次尝试开锁失败）、窗户异常开启或长时间无人但室内温度剧烈变化等典型的安全威胁特征。"
  ],
  "key_evidence": [
    "入户门频繁的正常进出记录与公共区域人员活动同步发生。",
    "洗衣机 OperationalState 显示正常运行且倒计时递减稳定。",
    "全时段环境温度保持在舒适且稳定的范围内，无异常升高或降低。"
  ],
  "recommended_actions": [
    "无需采取紧急措施，系统运行正常。",
    "建议继续保持定期设备健康检查，确保 Matter 协议下的设备固件为最新版本。"
  ]
}
```