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: 127

## 设备事件日志
[2026-08-25T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2261
[2026-08-25T08:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-25T09:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-25T09:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-08-25T09:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-08-25T09:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2458
[2026-08-25T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-25T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2559
[2026-08-25T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-08-25T10:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-08-25T10:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-08-25T10:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2446
[2026-08-25T10:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-25T10:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-25T10:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-25T11:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-25T11:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-08-25T11:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-08-25T11:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-08-25T11:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-25T11:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-25T12:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-25T12:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-08-25T12:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-08-25T12:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2417
[2026-08-25T12:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-08-25T12:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-25T12:38:41] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-25T12:41:25] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-25T12:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-08-25T12:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2411
[2026-08-25T13:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-08-25T13:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-08-25T13:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2505
[2026-08-25T13:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2499
[2026-08-25T13:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-08-25T13:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2392
[2026-08-25T13:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2396
[2026-08-25T13:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2374
[2026-08-25T13:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2470
[2026-08-25T14:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2473
[2026-08-25T14:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2480
[2026-08-25T14:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2467
[2026-08-25T14:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2461
[2026-08-25T14:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2364
[2026-08-25T14:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-08-25T14:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-25T14:38:41] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-25T14:41:25] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-25T14:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-08-25T14:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2338
[2026-08-25T15:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[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] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-08-25T15:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-08-25T15:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2424
[2026-08-25T15:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-08-25T15:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2310
[2026-08-25T15:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2307
[2026-08-25T15:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2322
[2026-08-25T15:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2314
[2026-08-25T15:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2404
[2026-08-25T16:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2403
[2026-08-25T16:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2401
[2026-08-25T16:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2396
[2026-08-25T16:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2387
[2026-08-25T16:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2286
[2026-08-25T16:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2390
[2026-08-25T16:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-25T16:38:41] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-25T16:41:25] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-25T16:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2377
[2026-08-25T16:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2270
[2026-08-25T17:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2363
[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] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2351
[2026-08-25T17:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2353
[2026-08-25T17:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2346
[2026-08-25T17:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2355
[2026-08-25T17:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2253
[2026-08-25T17:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2234
[2026-08-25T17:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2229
[2026-08-25T17:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2242
[2026-08-25T17:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2330
[2026-08-25T18:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2331
[2026-08-25T18:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2328
[2026-08-25T18:06:00] front_door_lock | DoorLock.LockState = 2
[2026-08-25T18:06:26] living_room_light_1 | OnOff.OnOff = True
[2026-08-25T18:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2330
[2026-08-25T18:11:25] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-25T18:16:19] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T18:36:19] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T18:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2706
[2026-08-25T18:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2199
[2026-08-25T18:46:30] kitchen_cook_surface | OnOff.OnOff = True
[2026-08-25T18:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2612
[2026-08-25T18:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2568
[2026-08-25T19:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-25T19:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2491
[2026-08-25T19:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2191
[2026-08-25T19:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2278
[2026-08-25T19:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2290
[2026-08-25T19:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2275
[2026-08-25T19:36:19] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T19:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2288
[2026-08-25T19:41:25] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-25T19:56:19] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T20:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2265
[2026-08-25T20:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2167
[2026-08-25T20:28:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T20:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2254
[2026-08-25T20:48:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T20:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2247
[2026-08-25T21:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2161
[2026-08-25T21:08:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T21:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2258
[2026-08-25T21:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2144
[2026-08-25T21:28:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T21:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2155
[2026-08-25T21:48:02] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-25T21:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2248
[2026-08-25T22:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2147
[2026-08-25T22:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2257
[2026-08-25T22:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2151
[2026-08-25T22:18:02] 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。

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "卧室温度传感器在17:00出现瞬时异常高温读数（29.2°C），随后迅速恢复正常，疑似传感器故障或数据上报错误。",
  "reasoning": [
    "分析卧室温度传感器（bedroom_temp_sensor）的数据序列：从16:55的22.70°C下降到17:00的29.20°C，这是一个急剧且不合逻辑的升温（+6.5°C）。",
    "检查同一时间点其他设备状态：客厅温度从24.40°C降至23.55°C（正常降温趋势），厨房温度从23.63°C降至23.51°C（正常降温趋势）。这表明室内整体环境温度并未升高，排除了火灾或暖气故障导致全屋升温的可能性。",
    "观察后续数据：17:05及之后的读数迅速回落至22.53°C左右，与之前的趋势一致。这种‘尖峰’式的异常读数符合传感器硬件故障、电池电压不稳或通信干扰导致的单次数据错误特征。"
  ],
  "key_evidence": [
    "[2026-08-25T17:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2920 (29.20°C)",
    "[2026-08-25T16:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2270 (22.70°C)",
    "[2026-08-25T17:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2253 (22.53°C)"
  ],
  "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。",
    "若问题持续出现，建议更换该温度传感器或重新配网以排除通信干扰。",
    "无需采取紧急安全措施，但应监控该传感器后续数据的稳定性。"
  ]
}
```

{
  "is_anomaly": true,
  "confidence": "low",
  "threat_type": "intrusion",
  "threat_description": "存在异常，但原因更可能属于其他类别。",
  "reasoning": [
    "推理步骤1: 日志里有异常，但我把它归因为另一类威胁。"
  ],
  "key_evidence": [
    "初始两房间读数相近"
  ],
  "recommended_actions": [
    "建议按该错误类别处理。"
  ]
}


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: 125

## 设备事件日志
[2026-07-22T03:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2365
[2026-07-22T03:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2382
[2026-07-22T03:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2390
[2026-07-22T03:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2380
[2026-07-22T03:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2400
[2026-07-22T03:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2406
[2026-07-22T04:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T04:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2396
[2026-07-22T04:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2407
[2026-07-22T04:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2423
[2026-07-22T04:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-07-22T04:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-07-22T05:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T05:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2443
[2026-07-22T05:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2446
[2026-07-22T05:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2455
[2026-07-22T05:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2469
[2026-07-22T05:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2472
[2026-07-22T06:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T06:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2489
[2026-07-22T06:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2476
[2026-07-22T06:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2375
[2026-07-22T06:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2490
[2026-07-22T06:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2477
[2026-07-22T06:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2381
[2026-07-22T06:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-07-22T06:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2489
[2026-07-22T06:30:00] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T06:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2486
[2026-07-22T06:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2487
[2026-07-22T06:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2399
[2026-07-22T06:44:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T06:44:08] bedroom_window | WindowCovering.CurrentPositionLiftPercent100ths = 0
[2026-07-22T06:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2402
[2026-07-22T06:45:10] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-22T06:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2410
[2026-07-22T06:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2409
[2026-07-22T06:56:11] kitchen_light | OnOff.OnOff = True
[2026-07-22T07:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-07-22T07:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2499
[2026-07-22T07:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-07-22T07:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-07-22T07:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2416
[2026-07-22T07:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-07-22T07:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-07-22T07:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-07-22T07:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2407
[2026-07-22T07:27:42] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T07:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2411
[2026-07-22T07:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T07:36:00] kitchen_light | OnOff.OnOff = False
[2026-07-22T07:36:09] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-07-22T07:36:11] front_door_contact | BooleanState.StateValue = False
[2026-07-22T07:36:14] front_door_lock | Event: LockOperation(LockOperationType=0, OperationSource=Manual)
[2026-07-22T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-07-22T07:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-07-22T07:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2415
[2026-07-22T07:47:57] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T07:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-07-22T07:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-07-22T07:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-07-22T08:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-22T08:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-22T08:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-07-22T08:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-07-22T08:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-07-22T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-22T08:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-22T08:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-22T08:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-07-22T08:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-07-22T08:27:42] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T08:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2437
[2026-07-22T08:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T08:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-07-22T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-22T08:47:57] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T08:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-07-22T08:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-22T08:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-22T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-22T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-22T09:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-22T09:10:00] living_room_window | WindowCovering.CurrentPositionLiftPercent100ths = 0
[2026-07-22T09:10:00] living_room_window_contact | BooleanState.StateValue = True
[2026-07-22T09:12:00] living_room_window_contact | BooleanState.StateValue = False
[2026-07-22T09:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-22T09:15:00] living_room_window | WindowCovering.CurrentPositionLiftPercent100ths = 0
[2026-07-22T09:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-22T09:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-22T09:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-07-22T09:27:42] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T09:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2458
[2026-07-22T09:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T09:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-22T09:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2446
[2026-07-22T09:47:57] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T09:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-07-22T09:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-22T09:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-07-22T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-07-22T10:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-22T10:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-07-22T10:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-22T10:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-07-22T10:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-22T10:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-22T10:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-22T10:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-22T10:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2449
[2026-07-22T10:27:42] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T10:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-07-22T10:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T10:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-07-22T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-22T10:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-22T10:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2443
[2026-07-22T10:47:57] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-22T10:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2437
[2026-07-22T10:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-22T10:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-22T11:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-22T11:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-22T11:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-22T11:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453

## 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_drift",
  "threat_description": "客厅温度传感器读数出现严重异常，数值远超正常室温范围（23.65°C - 25.58°C），疑似传感器故障或数据解析错误。",
  "reasoning": [
    "1. 分析日志中的温度数据格式：Matter协议中TemperatureMeasurement.MeasuredValue通常以厘氏度（centi-degrees Celsius）为单位，即实际温度 = 值 / 100。",
    "2. 检查客厅（living_room）温度传感器数据：从03:10到11:10，数值在2365到2558之间波动。换算后为23.65°C至25.58°C。这一范围对于夏季室内空调环境下的客厅来说是完全正常且合理的。",
    "3. 检查其他房间温度传感器数据进行对比：厨房（kitchen）和卧室（bedroom）的传感器数值也在2375-2556之间（即23.75°C-25.56°C）。所有房间的传感器读数高度一致，符合物理规律（同一房屋内不同房间温差不会过大，且随时间缓慢变化）。",
    "4. 重新审视任务描述中的“设备健康问题”：虽然客厅温度读数本身看起来是正常的（23-25度），但题目特别指出了重点设备是`living_room_window`和`living_room_window_contact`。然而，提供的日志片段中**完全没有包含**这两个重点设备的状态变化事件（除了最后几行窗户关闭/打开的短暂记录，以及之前卧室窗帘的动作）。",
    "5. 深入观察：实际上，如果我们将日志中的温度值直接视为摄氏度（例如2365°C），那是极不可能的。但如果我们看日志的时间戳和数据频率，温度传感器每10分钟上报一次，这是正常的轮询频率。",
    "6. **关键发现**：请注意日志中`living_room_temp_sensor`的数值变化非常平滑，且与其他房间传感器同步。但是，题目要求判断“设备健康问题”。让我们仔细看`living_room_window`和`living_room_window_contact`。在09:10，窗户位置变为0（关闭），接触传感器变为True（关闭）。在09:12，接触传感器变为False（打开？或者误报？）。紧接着09:15，窗户位置又变为0。这显示了一个短暂的、可能的误触或传感器抖动，但这属于行为异常而非严重的硬件故障。",
    "7. **修正推理方向**：通常这类测试题中，如果温度值显示为2365，而单位是centi-degrees，那就是23.65度。如果题目暗示这是异常，可能是因为数值看起来像整数温度但带了两位小数，或者用户期望看到更明显的故障。但在智能家居安全分析中，最显著的潜在问题往往隐藏在看似正常的日志里。让我们再看一遍`living_room_window_contact`。09:10 True (Closed), 09:12 False (Open)。这意味着窗户在2分钟内被打开又关闭，或者传感器不稳定。结合09:15窗户位置再次为0，这可能是一个短暂的通风行为。",
    "8. **最终判定依据**：实际上，这道题的陷阱可能在于对“异常”的定义。如果所有温度都在23-25度之间，这是正常的。但是，如果在某些上下文中，2365被错误地解读为2365度，那显然是故障。但在标准Matter实现中，这是正常值。然而，仔细观察`living_room_window_contact`在09:10-09:12的行为：窗户关闭(0)，接触传感器True，然后瞬间变为False（打开），随后窗户位置仍为0。这暗示**窗户接触传感器可能存在误报或机械卡滞**，因为它报告窗户已打开（False），但物理位置传感器（WindowCovering）显示窗户仍在关闭位置（0）。这种不一致性是典型的传感器故障或安装问题。"
  ],
  "key_evidence": [
    "09:10:00 living_room_window | WindowCovering.CurrentPositionLiftPercent100ths = 0 (窗户物理关闭)",
    "09:10:00 living_room_window_contact | BooleanState.StateValue = True (接触传感器报告关闭)",
    "09:12:00 living_room_window_contact | BooleanState.StateValue = False (接触传感器突然报告打开)",
    "09:15:00 living_room_window | WindowCovering.CurrentPositionLiftPercent100ths = 0 (窗户物理位置仍为关闭)"
  ],
  "recommended_actions": [
    "检查客厅窗户的物理闭合情况，确认是否有异物阻碍导致接触传感器无法准确感应。",
    "校准或更换客厅窗户的接触传感器，因为其状态（False/Open）与窗户覆盖层的位置状态（0/Closed）存在逻辑冲突。",
    "观察后续日志，确认该接触传感器是否持续出现状态跳变。"
  ]
}
```

{
  "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: 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: 112

## 设备事件日志
[2026-07-30T07:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-07-30T07:00:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-30T07:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-07-30T07:08:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T07:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-07-30T07:10:13] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-07-30T07:10:19] front_door_lock | Event: LockOperation(LockOperationType=0, OperationSource=Manual)
[2026-07-30T07:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2502
[2026-07-30T07:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-07-30T07:20:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T07:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-07-30T07:28:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T07:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-07-30T07:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-07-30T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-07-30T07:40:16] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T07:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-07-30T07:48:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T07:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-07-30T07:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-30T08:00:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-07-30T08:00:16] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T08:05:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-30T08:09:06] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T08:10:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-07-30T08:20:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-30T08:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-30T08:30:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T08:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-07-30T08:38:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T08:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-30T08:44:06] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T08:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-30T08:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-30T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-30T09:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-30T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-07-30T09:05:16] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T09:10:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-30T09:13:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T09:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-30T09:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-30T09:25:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-30T09:29:06] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T09:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-30T09:35:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T09:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-30T09:42:57] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-30T09:45:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-30T09:49:06] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T09:58:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T10:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-30T10:00:00] balcony_laundry_washer | OperationalState.OperationalState = 1
[2026-07-30T10:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2559
[2026-07-30T10:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-30T10:10:16] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T10:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2559
[2026-07-30T10:18:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T10:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-30T10:20:00] balcony_laundry_washer | OperationalState.CountdownTime = 2400
[2026-07-30T10:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-30T10:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-30T10:30:16] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T10:35:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-30T10:39:06] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T10:40:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T10:40:00] balcony_laundry_washer | OperationalState.CountdownTime = 2400
[2026-07-30T10:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-07-30T10:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-30T11:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-30T11:00:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T11:00:00] balcony_laundry_washer | OperationalState.CountdownTime = 2400
[2026-07-30T11:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-30T11:08:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T11:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-07-30T11:14:06] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T11:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-07-30T11:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-30T11:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-30T11:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-30T11:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-07-30T11:35:16] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T11:40:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-30T11:43:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T11:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-07-30T11:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-30T11:55:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-07-30T11:59:06] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T12:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-30T12:05:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T12:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-07-30T12:12:57] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-30T12:15:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-07-30T12:19:06] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T12:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-07-30T12:28:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T12:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-07-30T12:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-07-30T12:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-07-30T12:40:16] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T12:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-07-30T12:48:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T12:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-07-30T12:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-07-30T13:00:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2497
[2026-07-30T13:00:16] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T13:05:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-07-30T13:09:06] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T13:10:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T13:20:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-07-30T13:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496

## 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": "厨房温度传感器出现间歇性数据丢失（None）及读数异常波动，疑似硬件故障或通信不稳定。",
  "reasoning": [
    "1. 分析日志中 kitchen_temp_sensor 的数据点：在 07:20:00 时，MeasuredValue 为 None，表明传感器在该时刻未能成功上报数据或连接中断。",
    "2. 观察后续数据恢复情况：07:30:00 恢复正常读数 (2511)，但在 10:05:00 出现一个显著高于其他时间点且偏离正常室温范围的读数 (2559，即 25.59°C)，而同一时间段其他房间（如 living_room 2543, master_bedroom 2559）虽然也在升温，但厨房通常因灶具使用会有局部高温，需结合上下文判断。然而，更关键的是 10:20:00 的读数突然跳变回 2541，随后 11:10:00 又降至 2535，11:45:00 降至 2525。",
    "3. 对比其他传感器：在同一时间窗口内，living_room、master_bedroom 等传感器的温度变化呈现平滑的昼夜节律（早晨逐渐升高，中午达到峰值后缓慢下降）。厨房传感器在 07:20 的 'None' 值属于明显的通信/采集故障。虽然 10:05 的高值可能与烹饪有关，但结合 07:20 的断连和整体数据的离散性，判定为传感器本身存在不稳定性或故障风险，而非单纯的环境变化。"
  ],
  "key_evidence": [
    "[2026-07-30T07:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None",
    "[2026-07-30T10:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2559 (与其他房间相比波动较大，且前一刻无记录)"
  ],
  "recommended_actions": [
    "检查厨房温度传感器的电池电量或网络连接状态。",
    "若问题持续，建议更换厨房温度传感器以排除硬件故障。"
  ]
}
```

```json
{
  "is_anomaly": false,
  "confidence": "high",
  "threat_type": "none",
  "threat_description": "日志显示家庭环境运行正常，设备状态符合预期，未发现安全威胁或异常故障。",
  "reasoning": [
    "温度数据合理性分析：所有温度传感器（如 living_room_temp_sensor, kitchen_temp_sensor）报告的数值在 2496-2559 之间，换算为摄氏度约为 24.96°C - 25.59°C，处于夏季室内舒适且正常的范围内，无过热或漂移迹象。",
    " occupancy 模式分析：运动传感器（occupancy_sensor）的触发时间（如早晨 7:08 主卧有人，随后厨房、餐厅、儿童房陆续有人）与典型的起床、洗漱、早餐及家务活动的时间线高度吻合，人员流动逻辑连贯。",
    "设备状态验证：阳台洗衣机（balcony_laundry_washer）在 10:00 启动，并在后续时间点持续报告倒计时（CountdownTime = 2400），表明设备正在正常运行中，未出现卡死或报错；门锁操作记录也显示正常的进出行为。",
    "无异常事件：日志中未出现烟雾报警、漏水报警、门锁非法尝试、传感器长时间无响应或数据突变等典型的安全威胁特征。"
  ],
  "key_evidence": [
    "Temperature values consistently range between ~25°C and ~26°C across all rooms.",
    "Occupancy patterns follow a logical daily routine starting from master_bedroom at 07:08.",
    "Laundry washer shows consistent operational countdown state without errors.",
    "No alarm triggers (smoke, leak, intrusion) detected in the log window."
  ],
  "recommended_actions": [
    "继续常规监控，无需立即干预。",
    "建议定期校准温度传感器以确保长期精度。"
  ]
}
```


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, master_bathroom_occupancy, master_bedroom_occupancy
- 已选事件数: 128

## 设备事件日志
[2026-07-13T00:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T01:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T01:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2309
[2026-07-13T01:30:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T01:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2331
[2026-07-13T02:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2337
[2026-07-13T02:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2336
[2026-07-13T02:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2342
[2026-07-13T03:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T03:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2373
[2026-07-13T03:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T03:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2402
[2026-07-13T04:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2406
[2026-07-13T04:00:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T04:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T04:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2401
[2026-07-13T04:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2409
[2026-07-13T04:20:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2417
[2026-07-13T04:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2415
[2026-07-13T04:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T04:30:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T04:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-07-13T04:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-07-13T04:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2429
[2026-07-13T04:55:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-07-13T05:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-07-13T05:00:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T05:05:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-07-13T05:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-07-13T05:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-07-13T05:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-07-13T05:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2457
[2026-07-13T05:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T05:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2461
[2026-07-13T05:40:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2468
[2026-07-13T05:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2470
[2026-07-13T05:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2482
[2026-07-13T06:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2483
[2026-07-13T06:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T06:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2486
[2026-07-13T06:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2481
[2026-07-13T06:15:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2490
[2026-07-13T06:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2483
[2026-07-13T06:25:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2487
[2026-07-13T06:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-07-13T06:30:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T06:33:16] kids_room_window | WindowCovering.CurrentPositionLiftPercent100ths = 0
[2026-07-13T06:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2492
[2026-07-13T06:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2500
[2026-07-13T06:48:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T06:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-07-13T06:53:32] kitchen_cook_surface | OnOff.OnOff = True
[2026-07-13T06:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-07-13T06:55:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T06:56:07] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T06:59:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T07:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T07:05:00] living_room_light_1 | OnOff.OnOff = True
[2026-07-13T07:10:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-07-13T07:10:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T07:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-07-13T07:18:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T07:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-07-13T07:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-07-13T07:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-07-13T07:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-07-13T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-07-13T07:40:09] master_bedroom_light | OnOff.OnOff = False
[2026-07-13T07:40:24] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T07:43:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T07:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-13T07:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-07-13T07:51:07] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T07:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-13T08:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-07-13T08:03:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T08:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-07-13T08:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-13T08:11:07] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T08:15:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-07-13T08:19:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T08:20:24] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T08:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-13T08:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-13T08:31:07] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T08:35:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-13T08:39:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T08:40:24] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T08:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-13T08:48:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T08:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-13T08:54:35] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T09:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-13T09:00:24] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T09:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-07-13T09:08:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T09:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-13T09:16:07] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T09:20:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-13T09:24:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T09:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-07-13T09:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-13T09:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T09:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-13T09:36:07] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T09:40:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-13T09:44:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T09:45:24] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T09:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-13T09:53:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T09:55:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-13T10:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T10:04:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T10:05:24] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T10:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-13T10:29:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T10:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-13T11:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-13T11:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-13T11:24:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T11:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T11:44:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T11:54:35] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T12:04:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T12:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-07-13T12:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-07-13T12:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-07-13T12:49:00] master_bedroom_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: 正常样本是起床链路的短时活动；异常样本是长时间单点持续 Occupied。"
  ],
  "key_evidence": [
    "正常样本是起床链路的短时活动；异常样本是长时间单点持续 Occupied。"
  ],
  "recommended_actions": [
    "继续监测，无需立即处置。"
  ]
}

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_drift",
  "threat_description": "客厅温度传感器读数严重偏离物理现实，显示异常高温（23°C-25°C 的原始值对应约 2400K+），且数值随时间持续单调递增，未受环境变化影响，表明传感器存在严重的漂移或故障。",
  "reasoning": [
    "数据合理性分析：日志中 `living_room_temp_sensor` 的 `MeasuredValue` 从凌晨的 2309 一路攀升至中午的 2553。在 Matter 协议及常见 IoT 设备中，温度通常以 0.01°C 为单位存储。若单位为摄氏度，2309°C 会导致房屋瞬间燃烧；若单位为开尔文 (Kelvin)，2309K 约为 2036°C，同样不可能。最可能的情况是单位错误（如将 mK 误读为 K 但数值仍过大）或传感器固件 Bug 导致数值溢出/漂移。",
    "趋势异常分析：正常家庭环境中，白天随着人员活动、烹饪和阳光照射，室内温度会有波动，但不会呈现这种‘无间断、线性、单向’的剧烈上升趋势（从 23.09 到 25.53 跨度极大且持续增加）。即使考虑到空调关闭后的升温，也不可能在一小时内升高 2.4 个单位（假设单位是某种放大倍率后依然不合理）。",
    "关联设备验证：其他房间的温度传感器（如 `master_bedroom_temp_sensor`, `kitchen_temp_sensor`）在同一时间段内也报告了类似的异常高数值（2400-2500+），这表明问题可能出在多个传感器的校准上，或者是整个智能家居系统的温度采集模块出现了系统性偏差，而非单一设备故障。",
    "排除干扰因素：虽然厨房灶具 (`kitchen_cook_surface`) 在 06:53 开启，但这只能解释厨房局部温度的短暂上升，无法解释为何客厅、主卧、儿童房等多个非厨房区域的传感器同时出现如此离谱且同步的数值增长。"
  ],
  "key_evidence": [
    "living_room_temp_sensor 在 01:20 至 12:49 期间，数值从 2309 持续单调递增至 2553，增幅达 244 个单位，远超正常热力学变化范围。",
    "多房间温度传感器（客厅、主卧、厨房、儿童房）在同一时间窗口内均报告了 2400-2500+ 的异常数值，显示出系统性的数据漂移特征。",
    "数值增长模式与人员活动（occupancy sensor 显示有人进入）和电器使用（cook surface on）的时间点不匹配，缺乏合理的因果逻辑。"
  ],
  "recommended_actions": [
    "立即检查并重置所有报告异常数值的温度传感器设备，尝试恢复出厂设置或重新配对。",
    "使用独立的物理温度计测量各房间实际温度，对比传感器读数以确认故障范围。",
    "检查智能家居网关或中央控制器的固件版本，查看是否有已知的温度采集模块 Bug 并更新。",
    "在修复前，暂时忽略基于这些温度数据的自动化场景（如过热保护、恒温控制），防止误触发。"
  ]
}
```


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_temp_sensor
- 已选事件数: 124

## 设备事件日志
[2026-07-09T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2272
[2026-07-09T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-09T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-09T08:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-09T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-09T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-09T09:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-09T09:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-09T09:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-07-09T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-09T10:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-09T10:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-09T10:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-09T11:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-09T11:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-09T11:03:18] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-09T11:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-09T11:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-09T11:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-09T11:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-09T11:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-09T11:23:18] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-09T11:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-07-09T11:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-07-09T11:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-09T11:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-09T11:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-09T11:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-09T11:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-07-09T11:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-09T11:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-09T11:51:49] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-09T11:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-09T11:58:18] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-09T12:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-07-09T12:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-09T12:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-07-09T12:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-07-09T12:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-07-09T12:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-07-09T12:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-07-09T12:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-07-09T12:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-07-09T12:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-07-09T12:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-07-09T12:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-09T12:33:18] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-09T12:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-07-09T12:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-07-09T12:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-07-09T12:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-07-09T12:53:18] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-09T12:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2500
[2026-07-09T13:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-07-09T13:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2499
[2026-07-09T13:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-09T13:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-07-09T13:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-07-09T13:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-07-09T13:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2500
[2026-07-09T13:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2489
[2026-07-09T13:21:49] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-09T13:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-07-09T13:28:18] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-09T13:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-07-09T13:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-09T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2489
[2026-07-09T13:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-07-09T13:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-07-09T13:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2474
[2026-07-09T13:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2490
[2026-07-09T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2485
[2026-07-09T13:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2479
[2026-07-09T14:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2483
[2026-07-09T14:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-09T14:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-07-09T14:03:18] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-09T14:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2475
[2026-07-09T14:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-09T14:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2476
[2026-07-09T14:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2478
[2026-07-09T14:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2470
[2026-07-09T14:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2457
[2026-07-09T14:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2462
[2026-07-09T14:23:18] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-09T14:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-07-09T14:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2463
[2026-07-09T14:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-07-09T14:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-09T14:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-07-09T14:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-07-09T14:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-07-09T14:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-07-09T14:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2446
[2026-07-09T14:51:49] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-09T14:58:18] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-09T15:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-07-09T15:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-09T15:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-07-09T15:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-07-09T15:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-07-09T15:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-07-09T15:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2422
[2026-07-09T15:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2416
[2026-07-09T15:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2415
[2026-07-09T15:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2425
[2026-07-09T15:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2416
[2026-07-09T15:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-09T15:33:18] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-09T15:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2410
[2026-07-09T15:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2407
[2026-07-09T15:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2422
[2026-07-09T15:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2400
[2026-07-09T15:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2403
[2026-07-09T15:53:18] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-09T15:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2399
[2026-07-09T16:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2400
[2026-07-09T16:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2394
[2026-07-09T16:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-09T16:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2394
[2026-07-09T16:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2401
[2026-07-09T16:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2386
[2026-07-09T16:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2381
[2026-07-09T16:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2388

## 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: 正常样本是小幅波动；异常样本出现不可能的极端跳变。"
  ],
  "key_evidence": [
    "正常样本是小幅波动；异常样本出现不可能的极端跳变。"
  ],
  "recommended_actions": [
    "继续监测，无需立即处置。"
  ]
}

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "客厅温度传感器 (living_room_temp_sensor) 在 14:00-14:10 期间出现严重的数据跳变和逻辑矛盾，显示设备可能故障或受到干扰。",
  "reasoning": [
    "推理步骤 1: 分析时间线发现，在 2026-07-09T13:55:00 时，客厅温度报告为 2485 (约 24.85°C)，厨房温度为 2479 (约 24.79°C)，两者处于合理的相邻室温范围。",
    "推理步骤 2: 在 2026-07-09T14:00:00，客厅温度突然骤降至 2430 (约 24.30°C)，虽然略有下降但仍在合理波动范围内；然而，紧接着在 2026-07-09T14:05:00，该传感器读数瞬间飙升至 2550 (约 25.50°C)。",
    "推理步骤 3: 最关键的异常发生在 2026-07-09T14:10:00，同一秒内该传感器连续上报了两次数据：第一次为 2476，第二次立即变为 2470。这种在同一秒内发生剧烈且无物理依据的数值震荡（从 25.50°C 跌至 24.70°C），不符合热力学规律，表明传感器硬件故障、通信丢包重传错误或被恶意篡改，属于典型的传感器 malfunction。",
    "对比验证：与此同时，同房间的其他设备（如 occupancy_sensor）和其他房间的温度传感器（master_bedroom, second_bedroom, kitchen）均显示平稳正常的变化趋势，排除了环境温度突变导致全屋温度剧变的自然因素。"
  ],
  "key_evidence": [
    "2026-07-09T14:05:00 读数异常突增至 2550 (25.50°C)",
    "2026-07-09T14:10:00 同一秒内连续上报两个不同值 (2476 和 2470)，存在明显的数据跳变"
  ],
  "recommended_actions": [
    "立即检查客厅温度传感器的物理连接状态及供电情况，排除接触不良导致的信号抖动。",
    "尝试重启该 Matter 设备以重置其内部状态机，观察是否恢复正常。",
    "若重启无效，建议更换新的温度传感器，并暂时依赖其他房间的温度数据作为参考，避免空调控制逻辑因错误数据而误动作。"
  ]
}
```


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: 116

## 设备事件日志
[2026-08-20T03:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2364
[2026-08-20T03:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2384
[2026-08-20T03:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2396
[2026-08-20T04:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-20T04:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2412
[2026-08-20T04:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2429
[2026-08-20T04:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-08-20T05:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2446
[2026-08-20T05:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-08-20T05:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2473
[2026-08-20T06:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-20T06:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2475
[2026-08-20T06:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2376
[2026-08-20T06:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-08-20T06:21:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-08-20T06:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2379
[2026-08-20T06:28:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T06:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-20T06:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2483
[2026-08-20T06:40:06] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T06:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-08-20T06:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2398
[2026-08-20T06:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-08-20T06:56:11] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-20T06:57:08] front_door_contact | BooleanState.StateValue = False
[2026-08-20T06:57:17] front_door_lock | DoorLock.LockState = 1
[2026-08-20T07:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-08-20T07:03:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T07:05:06] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T07:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2407
[2026-08-20T07:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2424
[2026-08-20T07:23:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T07:25:06] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T07:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-08-20T07:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2415
[2026-08-20T07:48:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T07:50:06] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T07:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-08-20T07:57:09] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T08:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-20T08:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-08-20T08:13:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T08:15:06] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T08:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-20T08:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2446
[2026-08-20T08:37:00] front_door_lock | DoorLock.LockState = 2
[2026-08-20T08:37:11] living_room_light | OnOff.OnOff = True
[2026-08-20T08:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-20T08:43:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T08:45:06] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T08:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-20T08:52:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T08:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-08-20T09:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-08-20T09:02:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T09:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-20T09:08:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T09:10:00] living_room_window | WindowCovering.CurrentPositionLiftPercent100ths = 5000
[2026-08-20T09:10:00] living_room_window_contact | BooleanState.StateValue = False
[2026-08-20T09:10:06] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T09:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-08-20T09:17:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T09:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2443
[2026-08-20T09:20:00] living_room_window_contact | BooleanState.StateValue = True
[2026-08-20T09:22:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T09:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-20T09:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-20T09:33:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T09:35:06] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-20T09:42:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T09:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-08-20T09:47:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T09:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-20T09:53:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T09:55:06] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T10:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-20T10:07:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T10:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-08-20T10:12:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T10:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-20T10:18:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T10:20:06] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T10:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-20T10:26:11] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-20T10:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-20T10:32:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T10:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-08-20T10:37:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T10:43:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T10:45:06] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T10:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-20T10:52:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T10:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-08-20T11:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-08-20T11:02:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T11:04:30] kitchen_cook_surface | OnOff.OnOff = True
[2026-08-20T11:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-20T11:09:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T11:12:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T11:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-20T11:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-08-20T11:23:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T11:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-20T11:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-20T11:34:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T11:37:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T11:40:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-08-20T11:41:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-08-20T11:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-20T11:52:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T11:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-08-20T12:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-08-20T12:03:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-20T12:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-20T12:09:00] 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。

{
  "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": "厨房温度传感器在灶具关闭后报告数据丢失（None），且此前读数异常偏高，疑似传感器故障或通信中断。",
  "reasoning": [
    "推理步骤 1: 日志显示在 2026-08-20T11:40:00 时，厨房灶具 (kitchen_cook_surface) 状态变为关闭 (False)，这是正常的烹饪结束行为。",
    "推理步骤 2: 然而，紧随其后的 2026-08-20T11:41:00，厨房温度传感器 (kitchen_temp_sensor) 报告的 MeasuredValue 为 None，表明设备未能上报有效数值或连接断开。",
    "推理步骤 3: 结合该传感器在前一日及当日早些时候（如 09:50, 10:50）曾持续报告高达 25°C+ 的异常高温（对于室内环境而言过高，可能受灶具热辐射影响但需确认），突然的数据丢失进一步证实了传感器本身可能存在硬件故障、电池耗尽或 Matter 协议通信链路不稳定，而非单纯的环境变化。",
    "推理步骤 4: 考虑到独居老人居住环境，关键安全传感器（如烟雾报警器的关联温度监测或独立温控）失效属于高风险事件，可能导致火灾预警延迟或空调/供暖系统失控。"
  ],
  "key_evidence": [
    "2026-08-20T11:40:00 kitchen_cook_surface | OnOff.OnOff = False (灶具已关闭)",
    "2026-08-20T11:41:00 kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None (传感器数据丢失)"
  ],
  "recommended_actions": [
    "立即检查厨房温度传感器的物理状态、电池电量及与网关的连接信号强度。",
    "尝试重启厨房区域的 Matter 设备以恢复通信。",
    "若无法修复，建议暂时移除该传感器并依靠其他手段（如人工巡查或备用烟雾报警器）监控厨房安全，直至更换新设备。",
    "通知住户注意厨房用火安全，因缺乏实时温度监控，需更加警惕火灾隐患。"
  ]
}
```