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_ac
- 已选事件数: 122

## 设备事件日志
[2026-07-02T03:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2357
[2026-07-02T03:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2384
[2026-07-02T03:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2396
[2026-07-02T04:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-02T04:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2415
[2026-07-02T04:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2426
[2026-07-02T05:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2446
[2026-07-02T05:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-07-02T05:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2462
[2026-07-02T06:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2466
[2026-07-02T06:00:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-02T06:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2475
[2026-07-02T06:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2471
[2026-07-02T06:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2490
[2026-07-02T06:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2476
[2026-07-02T06:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2486
[2026-07-02T06:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-07-02T06:30:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-02T06:32:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T06:36:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T06:38:40] kitchen_cook_surface | OnOff.OnOff = True
[2026-07-02T06:40:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2499
[2026-07-02T06:45:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2500
[2026-07-02T06:48:09] kids_room_window | WindowCovering.CurrentPositionLiftPercent100ths = 0
[2026-07-02T06:52:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T06:55:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-07-02T07:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-07-02T07:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-02T07:03:03] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T07:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-07-02T07:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-07-02T07:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-07-02T07:22:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T07:25:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-07-02T07:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-07-02T07:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-02T07:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-07-02T07:36:07] kitchen_light | OnOff.OnOff = False
[2026-07-02T07:36:28] front_door_contact | BooleanState.StateValue = False
[2026-07-02T07:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-07-02T07:43:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T07:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-07-02T07:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-07-02T07:52:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T07:55:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-07-02T07:58:03] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-02T08:06:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T08:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-07-02T08:12:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T08:15:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-02T08:18:03] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T08:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-02T08:28:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T08:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-02T08:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-02T08:39:11] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-02T08:41:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T08:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-02T08:48:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T08:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-02T08:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-02T08:57:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T09:00:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-02T09:00:00] living_room_ac | Event: DeviceOffline()
[2026-07-02T09:02:00] living_room_ac | Event: DeviceOnline()
[2026-07-02T09:05:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-02T09:08:03] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T09:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-02T09:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-07-02T09:17:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T09:20:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-02T09:26:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T09:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-02T09:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-02T09:38:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T09:40:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-02T09:43:03] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T09:46:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T09:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-07-02T09:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-02T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-02T10:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-02T10:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-02T10:07:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T10:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2559
[2026-07-02T10:13:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T10:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-02T10:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-07-02T10:25:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-02T10:28:03] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T10:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-02T10:36:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-02T10:42:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T10:45:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-02T10:48:03] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T10:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-02T10:58:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T11:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-02T11:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-02T11:09:11] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-02T11:11:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T11:18:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T11:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-02T11:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-02T11:27:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T11:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-02T11:35:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-02T11:38:03] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T11:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-02T11:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-02T11:47:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T11:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-07-02T11:56:29] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T12:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-02T12:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-07-02T12:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-07-02T13:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-02T13:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2495
[2026-07-02T13:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2490
[2026-07-02T14:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2476

## 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: 正常样本是一次性短暂重连；异常样本在短时间内反复抖动。"
  ],
  "key_evidence": [
    "正常样本是一次性短暂重连；异常样本在短时间内反复抖动。"
  ],
  "recommended_actions": [
    "继续监测，无需立即处置。"
  ]
}

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "客厅温度传感器读数异常偏高且波动剧烈，远超正常物理环境范围，疑似设备故障或校准错误。",
  "reasoning": [
    "推理步骤 1: 分析日志发现 living_room_temp_sensor 的 MeasuredValue 数值在 2357 到 2559 之间剧烈波动。若按 Matter 标准单位（0.01°C），该数值对应 23.57°C - 25.59°C，属于正常室温范围；但考虑到日志中同时出现了 kitchen_cook_surface (灶具) 开启等事件，且数值变化极其频繁（如 06:48 到 06:52 仅 4 分钟从 2500 变到 2503，随后又跳变），需进一步确认单位。",
    "推理步骤 2: 重新审视数据模式，注意到数值在短时间内的变化幅度极小（个位数变化）却伴随时间戳的精确秒级记录，而如果是 0.01°C 单位，2357 代表 23.57°C，这在夏季清晨是合理的。然而，关键在于 09:00 分发生的 'living_room_ac | Event: DeviceOffline()' 和 'DeviceOnline()'。",
    "推理步骤 3: 结合上下文，当空调离线时，房间温度本应开始上升，但传感器读数并未呈现持续单调上升的趋势，反而在空调重启后（09:02）读数依然维持在高位并继续小幅震荡。更关键的异常在于数值的‘跳动’特性：例如 06:48 为 2500，06:52 为 2503，这种微小的整数变化如果是真实温度，意味着传感器灵敏度极高或存在噪声干扰。但在智能家居安全分析中，如此高频且无规律的微小整数跳变（尤其是在没有强热源直接照射传感器的情况下），通常指示传感器硬件故障、通信丢包导致的随机值填充，或者传感器被异物遮挡/损坏导致读数漂移。此外，厨房温度传感器也显示类似的高位震荡（2511-2548），暗示可能存在系统性问题或特定区域的环境失控，但鉴于题目要求判断设备健康，最直接的证据是单个传感器读数的非物理性波动模式。",
    "修正推理步骤 3 (基于常见 Matter 日志陷阱): 实际上，Matter 温度传感器常用 0.01°C 为单位。2357 = 23.57°C。这个数值本身是正常的。但是，观察 06:48 到 06:52 期间，儿童房窗户关闭 (CurrentPositionLiftPercent100ths = 0)，紧接着温度读数从 2500 变为 2503。如果这是真实温度，变化率极低。真正的异常点可能在于 **数值的稳定性**。在 06:00 到 09:00 期间，温度读数在 2466 到 2559 之间反复横跳，且没有明显的降温趋势（即使有空调运行）。特别是 09:00 空调重启后，温度并没有像预期那样迅速下降，而是继续维持在 25xx 的高位区间。这表明要么空调未正常工作（已离线过），要么**温度传感器读数严重失真（Sensor Drift/Malfunction）**，无法反映真实的制冷效果。考虑到 09:00 空调确实发生了 Offline/Online 事件，这加剧了风险，因为如果传感器坏了，用户会误以为空调没开冷气，导致室内过热。综合来看，传感器读数与空调状态及时间推移的逻辑不符，判定为传感器故障。"
  ],
  "key_evidence": [
    "living_room_temp_sensor 在空调 (living_room_ac) 于 09:00 经历 Offline/Online 重启后，温度读数并未出现预期的显著下降，仍维持在 25xx 高位区间。",
    "温度读数在短时间窗口内（如 06:48-06:52）出现非线性的微小整数跳变，缺乏真实热惯性应有的平滑过渡特征，符合传感器噪声或故障模式。"
  ],
  "recommended_actions": [
    "立即检查客厅温度传感器的物理连接及供电情况，排除接触不良。",
    "使用独立温度计测量客厅实际温度，对比传感器读数以确认是否失准。",
    "若确认为传感器故障，建议更换设备或重置传感器至出厂设置。",
    "监控空调运行状态，确保其在传感器故障期间能根据其他逻辑（如定时或手动控制）正常运行，防止室内过热。"
  ]
}
```


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
- 已选事件数: 126

## 设备事件日志
[2026-08-05T03:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2355
[2026-08-05T03:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2372
[2026-08-05T03:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2371
[2026-08-05T03:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2378
[2026-08-05T03:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2395
[2026-08-05T04:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T04:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2401
[2026-08-05T04:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2417
[2026-08-05T04:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2423
[2026-08-05T04:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-08-05T05:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-08-05T05:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-08-05T05:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T05:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2468
[2026-08-05T06:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2481
[2026-08-05T06:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T06:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2467
[2026-08-05T06:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2476
[2026-08-05T06:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2477
[2026-08-05T06:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-08-05T06:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2485
[2026-08-05T06:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2487
[2026-08-05T06:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-08-05T06:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T06:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T06:33:04] bathroom_light | OnOff.OnOff = True
[2026-08-05T06:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2488
[2026-08-05T06:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-08-05T06:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2499
[2026-08-05T06:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-08-05T06:48:04] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T06:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2495
[2026-08-05T06:54:00] bathroom_light | OnOff.OnOff = False
[2026-08-05T06:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-08-05T06:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-08-05T07:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-08-05T07:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T07:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-08-05T07:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2502
[2026-08-05T07:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2502
[2026-08-05T07:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-08-05T07:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-08-05T07:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-08-05T07:22:21] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-08-05T07:22:24] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T07:22:30] front_door_lock | DoorLock.LockState = 1
[2026-08-05T07:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-08-05T07:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-08-05T07:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T07:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-08-05T07:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-08-05T07:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-08-05T07:42:24] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T07:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-08-05T07:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-05T07:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-08-05T07:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-08-05T08:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-08-05T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T08:02:24] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T08:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-08-05T08:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-08-05T08:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-05T08:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-05T08:24:46] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T08:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-05T08:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-05T08:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-05T08:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T08:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-05T08:37:24] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T08:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-05T08:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-05T08:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-05T08:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-05T08:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-05T08:57:24] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T09:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-05T09:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T09:00:00] living_room_ac | Event: DeviceOffline()
[2026-08-05T09:02:00] living_room_ac | Event: DeviceOnline()
[2026-08-05T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-05T09:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-05T09:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-05T09:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-05T09:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-05T09:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-05T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-05T09:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-05T09:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-05T09:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T09:32:24] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T09:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-08-05T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-05T09:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-05T09:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2559
[2026-08-05T09:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-05T09:54:46] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T09:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-05T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-08-05T10:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-05T10:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T10:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-08-05T10:07:24] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T10:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-05T10:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-05T10:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-05T10:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-05T10:27:24] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T10:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-05T10:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T10:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-08-05T10:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-05T10:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-05T10:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-05T10:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-05T10:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-05T10:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-05T10:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-05T11:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-05T11:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T11:02:24] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T11:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-05T11:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-05T11:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-05T11:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531

## 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: 正常样本是一次性短暂重连；异常样本在短时间内反复抖动。"
  ],
  "key_evidence": [
    "正常样本是一次性短暂重连；异常样本在短时间内反复抖动。"
  ],
  "recommended_actions": [
    "继续监测，无需立即处置。"
  ]
}

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "客厅温度传感器读数严重偏离物理现实，显示异常高温（23.5°C - 25.6°C），且与空调离线/重启事件时间高度重合，表明传感器可能已损坏或校准失效。",
  "reasoning": [
    "推理步骤 1: 日志显示从凌晨 03:00 到上午 11:20，客厅温度传感器 (living_room_temp_sensor) 的读数持续在 23.5°C 至 25.6°C 之间波动。考虑到这是夏季（8 月）且室内无人（occupancy=0），若无热源，室温通常不会如此高且稳定地维持在接近人体体温的水平，这极不符合自然热力学规律。",
    "推理步骤 2: 关键证据出现在 09:00，此时 living_room_ac 报告 DeviceOffline()，随后在 09:02 恢复在线。如果空调正常工作，它应该能调节室温。然而，在空调离线期间及之后，温度读数并未出现预期的剧烈变化或下降趋势，反而继续维持在不合理的数值上，暗示温度数据并非来自真实的空气温度测量。",
    "推理步骤 3: 其他房间的温度传感器（如厨房、主卧）在同一时间段内也显示了类似的异常高温读数（24.7°C - 25.6°C）。这种跨传感器的同步异常模式强烈指向系统性的传感器故障、固件 bug 导致的数据上报错误，或者是被恶意攻击篡改了多个设备的状态值，而非真实的环境升温。"
  ],
  "key_evidence": [
    "living_room_temp_sensor 在无人且无强热源情况下，读数长期维持在 23.5°C-25.6°C 的异常高位。",
    "09:00 空调离线重启后，温度读数未发生符合物理规律的修正，且多房间传感器同时出现类似异常高温。"
  ],
  "recommended_actions": [
    "立即检查并更换客厅及受影响的房间温度传感器硬件。",
    "检查 Matter 网关日志，确认是否存在针对温度 Cluster.Attribute 的非法写入或重放攻击尝试。",
    "在维修前，暂时关闭依赖该温度数据的自动化场景（如空调自动启停），防止因错误数据导致的设备误动作。"
  ]
}
```


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: 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_ac
- 已选事件数: 118

## 设备事件日志
[2026-07-13T03:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2370
[2026-07-13T03:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2382
[2026-07-13T03:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2380
[2026-07-13T04:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T04:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2418
[2026-07-13T04:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2421
[2026-07-13T05:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-07-13T05:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2461
[2026-07-13T05:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2459
[2026-07-13T06:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2474
[2026-07-13T06:00:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T06:05:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2473
[2026-07-13T06:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2489
[2026-07-13T06:17:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T06:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2480
[2026-07-13T06:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2486
[2026-07-13T06:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2488
[2026-07-13T06:30:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T06:35:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2483
[2026-07-13T06:40:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2495
[2026-07-13T06:42:10] kids_room_window | WindowCovering.CurrentPositionLiftPercent100ths = 0
[2026-07-13T06:47:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T06:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-07-13T06:52:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T07:00:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-07-13T07:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T07:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-07-13T07:07:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T07:12:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T07:15:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-07-13T07:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-07-13T07:22:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T07:24:12] master_bedroom_light | OnOff.OnOff = False
[2026-07-13T07:24:32] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T07:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-07-13T07:27:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T07:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-07-13T07:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-07-13T07:42:10] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T07:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-07-13T07:49:32] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T07:52:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T07:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-07-13T07:57:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T08:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-07-13T08:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-07-13T08:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-07-13T08:12:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T08:15:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-13T08:17:10] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T08:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-13T08:24:32] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T08:27:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T08:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-13T08:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-13T08:42:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T08:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-13T08:47:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T08:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-07-13T08:52:10] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T08:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-07-13T08:59:32] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T09:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T09:00:00] living_room_ac | Event: DeviceOffline()
[2026-07-13T09:02:00] living_room_ac | Event: DeviceOnline()
[2026-07-13T09:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-13T09:12:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T09:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-13T09:17:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T09:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-13T09:22:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T09:25:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-13T09:27:10] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T09:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-13T09:35:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-13T09:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2559
[2026-07-13T09:44:32] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T09:47:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-13T09:52:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T09:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-13T09:57:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T10:00:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-13T10:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2559
[2026-07-13T10:10:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-13T10:12:10] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T10:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-13T10:19:32] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T10:22:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T10:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-07-13T10:27:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T10:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-13T10:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-13T10:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-07-13T10:42:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T10:45:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-13T10:47:10] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T10:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-13T10:54:32] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T10:57:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T11:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-13T11:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T11:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-13T11:12:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T11:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-13T11:17:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T11:20:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-13T11:22:10] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T11:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-07-13T11:29:32] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T11:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-13T11:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-07-13T11:42:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T11:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-13T11:47:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-13T11:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-13T11:52:00] master_bathroom_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: 正常样本是一次性短暂重连；异常样本在短时间内反复抖动。"
  ],
  "key_evidence": [
    "正常样本是一次性短暂重连；异常样本在短时间内反复抖动。"
  ],
  "recommended_actions": [
    "继续监测，无需立即处置。"
  ]
}

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "客厅温度传感器读数异常偏高且波动剧烈，远超正常室温范围，疑似设备故障或校准错误。",
  "reasoning": [
    "推理步骤 1: 分析日志发现 living_room_temp_sensor 的 MeasuredValue 从凌晨的 23.70°C (2370/100) 持续上升至上午 9 点的 25.54°C (2554/100)，随后在 10-11 点区间出现剧烈震荡（如 2557 -> 2552 -> 2537），数值逻辑上已超出普通室内环境温升的合理速率和幅度。",
    "推理步骤 2: 对比同一时间段内其他房间的温度传感器数据（如 kitchen_temp_sensor 约 25.38°C, master_bedroom_temp_sensor 约 25.48°C），虽然厨房因烹饪可能较热，但客厅作为主要活动区域，其温度不应显著高于卧室且呈现无规律的锯齿状波动，这不符合空调运行或自然升温的物理规律。",
    "推理步骤 3: 结合 occupancy_sensor 显示该时段客厅有人活动，若为真实高温应伴随人体舒适度下降或空调频繁启停，但日志中未见相关联动异常，且温度值本身（如 25.54 代表 25.54°C 还是 255.4°C？Matter 标准通常以 0.01 为单位，即 25.54°C，但考虑到上下文可能是绝对值错误或单位混淆导致的高报，更可能是传感器漂移或硬件故障导致的虚假高报，而非真实的极端高温环境。"
  ],
  "key_evidence": [
    "living_room_temp_sensor 在 09:00-11:00 期间数值在 2537-2557 之间高频震荡，缺乏平滑变化趋势。",
    "客厅温度读数与同楼层其他房间（主卧、次卧）及厨房温度相比，呈现出非物理性的异常离散度。"
  ],
  "recommended_actions": [
    "立即检查客厅温度传感器的电池供电情况或连接状态，排除信号干扰。",
    "使用独立温度计测量客厅实际环境温度，验证传感器读数是否准确。",
    "若确认为故障，建议重置设备或联系厂商进行固件更新/硬件更换，避免基于错误数据进行自动化控制决策。"
  ]
}
```


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_ac
- 已选事件数: 133

## 设备事件日志
[2026-08-16T03:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2359
[2026-08-16T03:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2375
[2026-08-16T03:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2384
[2026-08-16T03:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2392
[2026-08-16T03:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2402
[2026-08-16T04:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T04:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2416
[2026-08-16T04:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2412
[2026-08-16T04:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-08-16T04:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-08-16T05:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2437
[2026-08-16T05:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2455
[2026-08-16T05:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T05:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-08-16T06:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2476
[2026-08-16T06:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2470
[2026-08-16T06:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T06:00:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T06:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2487
[2026-08-16T06:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2486
[2026-08-16T06:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2472
[2026-08-16T06:15:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-08-16T06:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2485
[2026-08-16T06:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2484
[2026-08-16T06:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2485
[2026-08-16T06:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2485
[2026-08-16T06:30:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T06:30:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T06:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2492
[2026-08-16T06:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2495
[2026-08-16T06:40:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2487
[2026-08-16T06:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-08-16T06:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-08-16T06:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-08-16T06:55:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-08-16T07:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-08-16T07:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T07:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T07:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T07:05:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-08-16T07:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-08-16T07:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-08-16T07:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-08-16T07:20:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-08-16T07:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-08-16T07:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-08-16T07:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-08-16T07:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T07:30:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T07:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-08-16T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-08-16T07:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-16T07:45:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-08-16T07:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-16T07:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-08-16T07:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-16T08:00:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-08-16T08:00:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T08:00:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T08:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-16T08:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-16T08:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-08-16T08:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-16T08:25:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-16T08:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-16T08:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T08:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T08:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T08:35:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-16T08:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-16T08:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-16T08:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-16T08:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-16T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-16T09:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-16T09:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T09:00:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T09:00:00] living_room_ac | Event: DeviceOffline()
[2026-08-16T09:02:00] living_room_ac | Event: DeviceOnline()
[2026-08-16T09:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-16T09:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-16T09:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-16T09:15:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-08-16T09:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-16T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-16T09:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-16T09:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-16T09:30:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T09:30:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T09:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-16T09:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-08-16T09:40:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-16T09:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-16T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-16T09:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-16T09:55:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-16T10:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-16T10:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T10:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T10:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T10:05:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-16T10:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-16T10:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-16T10:20:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-08-16T10:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-16T10:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-16T10:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-16T10:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T10:30:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T10:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-16T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-16T10:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-16T10:45:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-16T10:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-16T10:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-16T11:00:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-16T11:00:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T11:00:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T11:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-16T11:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-16T11:10:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-16T11:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-16T11:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-16T11:25:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-16T11:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-16T11:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T11:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T11:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T11:35:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-16T11:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-08-16T11:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-08-16T11:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-16T11:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530

## 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: 正常样本是一次性短暂重连；异常样本在短时间内反复抖动。"
  ],
  "key_evidence": [
    "正常样本是一次性短暂重连；异常样本在短时间内反复抖动。"
  ],
  "recommended_actions": [
    "继续监测，无需立即处置。"
  ]
}

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "客厅温度传感器读数严重偏离物理现实，显示异常高温（约 240°C - 255°C），且伴随空调设备离线重启事件，表明传感器存在硬件故障或校准失效。",
  "reasoning": [
    "数据合理性分析：日志中 `living_room_temp_sensor` 的 `MeasuredValue` 从 2359 持续上升至 2556。在 Matter 协议及常见智能家居系统中，温度通常以 0.1°C 为单位存储。若按此换算，数值对应 235.9°C 至 255.6°C。对于普通住宅环境，该温度远超材料熔点，属于物理上不可能发生的状态，确认为传感器数据错误。",
    "关联设备行为分析：在异常高温读数出现期间（09:00），`living_room_ac` 报告了 `DeviceOffline()` 随后立即 `DeviceOnline()`。这表明空调系统可能因检测到极端异常温度（或其控制逻辑基于错误的传感器数据）而触发保护性断电/重启，或者是因为传感器故障导致通信链路不稳定。",
    "排除其他可能性：虽然厨房和儿童房温度也偏高（约 247-255°C），但考虑到所有房间温度同步异常升高，且无人员活动记录（Occupancy=0），极大概率是同一批次传感器固件 bug、网络传输干扰导致的数值溢出，或是传感器本身硬件损坏，而非真实的火灾风险（因为如果是真实火灾，温度上升速度会更快且伴随烟雾报警，而此处呈现的是缓慢爬升的‘假’高温）。",
    "结论：核心问题在于传感器无法提供有效数据，属于典型的 `sensor_malfunction`（传感器故障），而非真实的环境威胁。"
  ],
  "key_evidence": [
    "living_room_temp_sensor 读数达到 2556 (即 255.6°C)，远超家庭环境安全阈值。",
    "living_room_ac 在 09:00 发生 DeviceOffline() 事件，疑似受异常温度数据影响。",
    "全时段内所有房间 occupancy 均为 0，排除了有人体热源导致的高温可能性。"
  ],
  "recommended_actions": [
    "立即检查并更换客厅温度传感器硬件，或重新校准设备。",
    "检查同型号的其他温度传感器（如厨房、儿童房）是否也存在类似读数异常，必要时批量排查。",
    "暂时手动关闭客厅空调，待传感器修复后根据实际室温重新设定，防止因误判温度导致设备频繁启停。"
  ]
}
```


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
- 已选事件数: 127

## 设备事件日志
[2026-08-05T03:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2370
[2026-08-05T03:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T03:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2402
[2026-08-05T04:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2408
[2026-08-05T04:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2412
[2026-08-05T04:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2434
[2026-08-05T05:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2429
[2026-08-05T05:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2449
[2026-08-05T05:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T05:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2471
[2026-08-05T06:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2478
[2026-08-05T06:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T06:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2471
[2026-08-05T06:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2473
[2026-08-05T06:14:10] master_bedroom_light | OnOff.OnOff = True
[2026-08-05T06:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2476
[2026-08-05T06:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2482
[2026-08-05T06:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2483
[2026-08-05T06:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2488
[2026-08-05T06:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T06:34:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T06:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-08-05T06:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2487
[2026-08-05T06:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-08-05T06:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-08-05T06:54:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T07:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-08-05T07:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2497
[2026-08-05T07:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T07:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-08-05T07:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-08-05T07:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-08-05T07:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-08-05T07:21:02] kitchen_light | OnOff.OnOff = False
[2026-08-05T07:21:19] front_door_contact | BooleanState.StateValue = False
[2026-08-05T07:21:24] front_door_lock | DoorLock.LockState = 1
[2026-08-05T07:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-08-05T07:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2517
[2026-08-05T07:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T07:34:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T07:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-08-05T07:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-08-05T07:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-05T07:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-05T07:54:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T07:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-08-05T08:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-08-05T08:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T08:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-05T08:06:20] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T08:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-05T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-05T08:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-05T08:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-05T08:26:20] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T08:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-05T08:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T08:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-05T08:39:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T08:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-05T08:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-05T08:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-05T08:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-05T08:59:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T09:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-05T09:00:00] living_room_ac | Event: DeviceOffline()
[2026-08-05T09:01:20] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T09:02:00] living_room_ac | Event: DeviceOnline()
[2026-08-05T09:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-05T09:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-05T09:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-05T09:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-05T09:21:20] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T09:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-05T09:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-05T09:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T09:34:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T09:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-05T09:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-05T09:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-05T09:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-05T09:54:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T09:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-05T10:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T10:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-05T10:06:20] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T10:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-05T10:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-05T10:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-05T10:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-05T10:26:20] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T10:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-05T10:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T10:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-05T10:39:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T10:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-05T10:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-05T10:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-05T10:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-05T10:59:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T11:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-05T11:01:20] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T11:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-05T11:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-05T11:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-05T11:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-05T11:21:20] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T11:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-05T11:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-05T11:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T11:34:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T11:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-05T11:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-05T11:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-05T11:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-05T11:54:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T11:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-08-05T12:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-05T12:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T12:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-08-05T12:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-08-05T12:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-08-05T13:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T13:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-08-05T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-08-05T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2479
[2026-08-05T14:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2475

## 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: 正常样本是一次性短暂重连；异常样本在短时间内反复抖动。"
  ],
  "key_evidence": [
    "正常样本是一次性短暂重连；异常样本在短时间内反复抖动。"
  ],
  "recommended_actions": [
    "继续监测，无需立即处置。"
  ]
}

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "客厅温度传感器数据严重漂移且与空调状态异常，导致室内温度读数虚高（约 25°C），掩盖了空调失效的真实情况。",
  "reasoning": [
    "推理步骤 1: 分析时间线发现，在 09:00 左右，目标设备 living_room_ac 发生了 DeviceOffline() 随后立即 DeviceOnline() 的事件，表明空调曾短暂掉线或重启。",
    "推理步骤 2: 观察温度数据，从 03:00 到 08:59，客厅温度传感器读数从 23.7°C (2370mK) 持续上升至 25.4°C (2540mK)，呈现明显的线性上升趋势，符合空调未开启时的自然升温规律。",
    "推理步骤 3: 关键矛盾点在于 09:00 空调恢复在线后，温度读数并未出现预期的下降趋势（如降至 24°C 以下），反而继续维持在 25°C 高位甚至波动上升。考虑到此时段有人员活动（entrance_occupancy 频繁为 1），若空调正常工作应能抵消部分热量并维持恒温。",
    "推理步骤 4: 结合 Matter 协议标准，TemperatureMeasurement.MeasuredValue 通常以毫开尔文 (mK) 为单位，2370 mK = 23.7°C。该数值变化平滑但缺乏空调介入后的调节特征，极大概率是传感器故障（Sensor Malfunction）导致读数失真，或者传感器被遮挡/校准错误，而非真实的室温升高。这种‘假性高温’会导致用户误以为天气炎热而关闭空调，造成能源浪费或实际室温过高无人察觉。"
  ],
  "key_evidence": [
    "2026-08-05T09:00:00 记录显示 living_room_ac 发生 DeviceOffline() 和 DeviceOnline() 事件，暗示设备状态不稳定。",
    "空调恢复在线后（09:00+），living_room_temp_sensor 读数仍维持在 25°C 以上的高位区间，未表现出制冷设备的降温响应曲线。",
    "从 03:00 至 14:10，温度读数单调递增且无平台期，不符合有空调运行的热力学平衡特征。"
  ],
  "recommended_actions": [
    "立即检查客厅空调的物理运行状态（是否出风、设定温度是否正确），排除因设置问题导致的停机。",
    "对客厅温度传感器进行校准或清洁，检查其是否被阳光直射、靠近热源或被家具遮挡。",
    "建议暂时忽略该传感器的温度读数，改用其他房间的温度传感器作为参考，或联系技术支持重置传感器。"
  ]
}
```


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

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

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

## 家庭环境信息
家庭布局: 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
- 已选事件数: 118

## 设备事件日志
[2026-07-25T03:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2355
[2026-07-25T03:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2358
[2026-07-25T03:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2381
[2026-07-25T03:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2386
[2026-07-25T03:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2396
[2026-07-25T04:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-25T04:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2416
[2026-07-25T04:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2418
[2026-07-25T04:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-07-25T04:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2437
[2026-07-25T05:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-07-25T05:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2459
[2026-07-25T05:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-25T05:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2460
[2026-07-25T06:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2474
[2026-07-25T06:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-25T06:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2486
[2026-07-25T06:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2482
[2026-07-25T06:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2484
[2026-07-25T06:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2492
[2026-07-25T06:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-07-25T06:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-25T06:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2495
[2026-07-25T06:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2505
[2026-07-25T06:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2489
[2026-07-25T06:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-07-25T07:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2497
[2026-07-25T07:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-25T07:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-07-25T07:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2502
[2026-07-25T07:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-07-25T07:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-07-25T07:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-07-25T07:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-25T07:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-25T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-07-25T07:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-07-25T07:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-25T07:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-25T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-25T08:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-25T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-07-25T08:19:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T08:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-07-25T08:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-25T08:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-07-25T08:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-25T08:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-07-25T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-25T08:44:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T08:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-25T08:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-07-25T08:54:00] bathroom_light | OnOff.OnOff = True
[2026-07-25T08:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-07-25T08:59:00] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T09:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-25T09:00:00] living_room_ac | Event: DeviceOffline()
[2026-07-25T09:02:00] living_room_ac | Event: DeviceOnline()
[2026-07-25T09:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-25T09:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-25T09:14:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T09:18:07] kitchen_light | OnOff.OnOff = True
[2026-07-25T09:19:00] bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T09:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-25T09:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-25T09:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-07-25T09:34:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T09:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-25T09:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-07-25T09:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-25T09:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-07-25T09:54:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T09:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-07-25T10:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-25T10:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-25T10:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-07-25T10:10:08] living_room_ac | OnOff.OnOff = True
[2026-07-25T10:14:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T10:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-25T10:19:20] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-25T10:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-25T10:25:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T10:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-07-25T10:34:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T10:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-25T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-07-25T10:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2437
[2026-07-25T10:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-07-25T10:54:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T10:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-25T11:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-25T11:00:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T11:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2443
[2026-07-25T11:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2734
[2026-07-25T11:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-25T11:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-25T11:20:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T11:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-07-25T11:29:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T11:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2936
[2026-07-25T11:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-25T11:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-07-25T11:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2887
[2026-07-25T11:49:20] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-25T11:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2844
[2026-07-25T11:55:00] kitchen_light | OnOff.OnOff = True
[2026-07-25T11:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2812
[2026-07-25T11:56:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-07-25T12:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2419
[2026-07-25T12:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-25T12:10:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T12:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-25T12:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-07-25T12:40:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T12:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-07-25T13:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2499
[2026-07-25T13:10:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T13:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2497

## 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: 正常样本是一次性短暂重连；异常样本在短时间内反复抖动。"
  ],
  "key_evidence": [
    "正常样本是一次性短暂重连；异常样本在短时间内反复抖动。"
  ],
  "recommended_actions": [
    "继续监测，无需立即处置。"
  ]
}

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "厨房温度传感器出现严重数据漂移和丢失，读数异常飙升（最高达 2936）且随后中断，无法反映真实环境温度。",
  "reasoning": [
    "推理步骤 1: 分析日志发现 kitchen_temp_sensor 在正常范围内波动（约 2540-2550），但在 11:10 至 11:55 期间数值急剧异常上升，从 2542 飙升至 2936，这在物理上是不可能的（远超设备熔点或传感器量程）。",
    "推理步骤 2: 该异常读数发生在卧室有人活动且客厅空调重启后的时间段内，排除了外部极端热源导致的可能性，更符合传感器内部故障或通信干扰导致的乱码。",
    "推理步骤 3: 在 11:56:00，该传感器报告了 None 值，表明设备可能已完全离线、重置或因固件错误停止上报数据，进一步证实了硬件或软件层面的故障，而非环境变化。"
  ],
  "key_evidence": [
    "kitchen_temp_sensor 读数在 11:30 达到 2936 (单位通常为 0.01°C，即 29.36°C 或若单位为 mK 则高达 29360°C，均不合理)",
    "kitchen_temp_sensor 在 11:56:00 返回 None 值，显示数据流中断"
  ],
  "recommended_actions": [
    "立即检查厨房温度传感器的物理状态，确认是否被遮挡、损坏或受到强电磁干扰。",
    "尝试重新配对或重启厨房温度传感器以恢复其 Matter 连接。",
    "在修复前，建议人工定期手动测量厨房温度，以防因传感器失效导致火灾风险误判或漏报。"
  ]
}
```


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

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

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

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

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ3
- 重点房间: living_room
- 重点设备: living_room_light
- 已选事件数: 108

## 跨天活动摘要
- 2026-08-16: living_room=212, bedroom=240, kitchen=238, entrance=229, bathroom=62

## 设备事件日志
[2026-08-16T00:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2275
[2026-08-16T00:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T00:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2284
[2026-08-16T00:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2276
[2026-08-16T00:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2280
[2026-08-16T00:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2289
[2026-08-16T01:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2296
[2026-08-16T01:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T01:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2305
[2026-08-16T01:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2294
[2026-08-16T01:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2303
[2026-08-16T01:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2213
[2026-08-16T01:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2313
[2026-08-16T01:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2307
[2026-08-16T01:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2212
[2026-08-16T01:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2302
[2026-08-16T01:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2304
[2026-08-16T01:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2218
[2026-08-16T01:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2299
[2026-08-16T01:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T01:30:00] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T01:30:00] kitchen_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T01:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T01:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T01:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2302
[2026-08-16T01:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2311
[2026-08-16T01:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2309
[2026-08-16T01:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2219
[2026-08-16T01:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2322
[2026-08-16T01:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2320
[2026-08-16T01:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2221
[2026-08-16T01:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2309
[2026-08-16T01:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2329
[2026-08-16T01:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2230
[2026-08-16T01:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2314
[2026-08-16T01:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2332
[2026-08-16T01:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2226
[2026-08-16T01:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2330
[2026-08-16T02:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2328
[2026-08-16T02:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2228
[2026-08-16T02:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2329
[2026-08-16T02:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T02:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T02:00:00] kitchen_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T02:00:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T02:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T02:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2323
[2026-08-16T02:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2323
[2026-08-16T02:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2322
[2026-08-16T02:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2321
[2026-08-16T02:10:00] living_room_light | OnOff.OnOff = True
[2026-08-16T02:12:00] living_room_light | OnOff.OnOff = False
[2026-08-16T02:14:00] living_room_light | OnOff.OnOff = True
[2026-08-16T02:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2344
[2026-08-16T02:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2238
[2026-08-16T02:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2335
[2026-08-16T02:16:00] living_room_light | OnOff.OnOff = False
[2026-08-16T02:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2336
[2026-08-16T02:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2235
[2026-08-16T02:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2338
[2026-08-16T02:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2347
[2026-08-16T02:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2243
[2026-08-16T02:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2345
[2026-08-16T02:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2350
[2026-08-16T02:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2233
[2026-08-16T02:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2337
[2026-08-16T02:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T02:30:00] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T02:30:00] kitchen_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T02:30:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T02:30:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T02:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2337
[2026-08-16T02:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2355
[2026-08-16T02:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2353
[2026-08-16T02:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2246
[2026-08-16T02:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2349
[2026-08-16T02:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2359
[2026-08-16T02:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2257
[2026-08-16T02:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2358
[2026-08-16T02:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2251
[2026-08-16T02:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2362
[2026-08-16T02:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2266
[2026-08-16T02:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2369
[2026-08-16T03:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2369
[2026-08-16T03:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2268
[2026-08-16T03:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2368
[2026-08-16T03:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T03:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T03:00:00] kitchen_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T03:00:00] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T03:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T03:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2255
[2026-08-16T03:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2355
[2026-08-16T03:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2375
[2026-08-16T03:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2364
[2026-08-16T03:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2376
[2026-08-16T03:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2378
[2026-08-16T03:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-16T03:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2389
[2026-08-16T03:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2388
[2026-08-16T03:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2394
[2026-08-16T03:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2385
[2026-08-16T03:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2403
[2026-08-16T08:39:13] living_room_light | OnOff.OnOff = True
[2026-08-16T12:25:00] living_room_light | OnOff.OnOff = False
[2026-08-16T13:55:18] living_room_light | OnOff.OnOff = True
[2026-08-16T19:29:10] living_room_light | LevelControl.CurrentLevel = 13
[2026-08-16T20:28:00] living_room_light | OnOff.OnOff = False

## 任务
以下是过去一段时间的设备活动记录。请识别其中是否存在可疑行为模式，并解释你的判断。

请按以下 JSON 格式回答：

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

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

{
  "is_anomaly": true,
  "confidence": "medium",
  "threat_type": "behavioral_anomaly",
  "threat_description": "半夜反复开关同一盏灯",
  "reasoning": [
    "推理步骤1: 深夜反复开关同一设备",
    "推理步骤2: 间隔很短",
    "推理步骤3: 符合意识混乱或异常行为模式"
  ],
  "key_evidence": [
    "深夜反复开关同一设备",
    "间隔很短",
    "符合意识混乱或异常行为模式"
  ],
  "recommended_actions": [
    "判定为夜间行为异常，建议关注老人认知状态。"
  ]
}

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_drift",
  "threat_description": "客厅温度传感器读数异常偏高且持续上升，远超正常室温范围，疑似传感器故障或漂移导致误报高温风险。",
  "reasoning": [
    "推理步骤 1: 分析时间线发现，从凌晨 00:30 到 03:55，客厅温度传感器（living_room_temp_sensor）的读数从 22.75°C (2275mK) 持续线性上升至 24.03°C (2403mK)，并在短时间内达到峰值后仍维持在极高水平。",
    "推理步骤 2: 结合住户背景（独居老人），虽然夜间空调可能关闭，但室内温度通常不会在无人状态下以如此快的速度自然升高超过 1.5°C，且厨房和卧室温度相对平稳（约 22-23°C），排除了全屋普遍升温的可能性。",
    "推理步骤 3: 对比 Matter 协议标准及物理常识，该传感器数值（如 2403 对应约 24°C）看似合理，但在长达 3.5 小时内呈现单调递增且无波动趋势，不符合热力学平衡规律，符合传感器漂移（Drift）或校准失效的特征。若此数据被用于联动逻辑（如自动开窗或报警），将引发严重的安全误报或设备损坏风险。"
  ],
  "key_evidence": [
    "2026-08-16T00:30:00 至 2026-08-16T03:55:00 期间，living_room_temp_sensor 读数从 2275 持续攀升至 2403，增幅达 1.28°C，而同期其他房间温度稳定。",
    "所有运动传感器（occupancy_sensor）在此期间均报告为 0（无人），排除了有人活动导致温度升高的可能性。"
  ],
  "recommended_actions": [
    "立即检查客厅温度传感器的硬件连接及电池状态，确认是否因接触不良或老化导致读数漂移。",
    "暂时禁用基于该传感器的高温联动策略（如自动开启窗户或发送警报），防止误操作打扰老人休息或造成安全隐患。",
    "安排技术人员进行传感器校准或更换，并建议增加定期自检机制。"
  ]
}
```