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

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

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

## 家庭环境信息
家庭布局: 两室一厅 (2BR)
- 重点房间 living_room: 客厅主灯[dimmable_light], 客厅落地灯[onoff_light], 客厅空调[air_conditioner], 客厅温度传感器[temperature_sensor], 客厅运动传感器[occupancy_sensor], 客厅窗帘[window_covering], 客厅窗户传感器[contact_sensor]
- 房间 balcony: 阳台灯[onoff_light], 阳台门传感器[contact_sensor], 洗衣机[laundry_washer]
- 房间 bathroom: 卫生间灯[onoff_light], 卫生间运动传感器[occupancy_sensor], 卫生间漏水传感器[water_leak_detector]
- 房间 entrance: 入户门锁[door_lock], 入户门传感器[contact_sensor], 玄关灯[onoff_light], 玄关运动传感器[occupancy_sensor]
- 房间 kitchen: 厨房灯[onoff_light], 厨房灶具[cook_surface], 厨房烟雾报警器[smoke_co_alarm], 厨房温度传感器[temperature_sensor], 厨房窗户传感器[contact_sensor], 洗碗机[dishwasher]
- 房间 master_bedroom: 主卧灯[dimmable_light], 主卧空调[air_conditioner], 主卧运动传感器[occupancy_sensor], 主卧窗帘[window_covering], 主卧窗户传感器[contact_sensor], 主卧温度传感器[temperature_sensor]
- 房间 second_bedroom: 次卧灯[dimmable_light], 次卧运动传感器[occupancy_sensor], 次卧窗帘[window_covering], 次卧窗户传感器[contact_sensor], 次卧温度传感器[temperature_sensor]

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ1
- 重点房间: living_room
- 重点设备: living_room_temp_sensor
- 已选事件数: 125

## 设备事件日志
[2026-07-07T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2280
[2026-07-07T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-07T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-07T08:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-07T08:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-07T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-07T09:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-07T09:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-07T09:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-07T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-07T10:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2559
[2026-07-07T10:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-07T10:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-07T10:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-07T11:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-07T11:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-07T11:04:21] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T11:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-07T11:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-07-07T11:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-07T11:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-07T11:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-07T11:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-07T11:24:21] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T11:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-07T11:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-07-07T11:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-07-07T11:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-07T11:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-07T11:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-07T11:44:21] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T11:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-07-07T11:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-07-07T11:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-07T11:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-07T12:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-07-07T12:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-07T12:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-07-07T12:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-07T12:12:58] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-07T12:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-07-07T12:19:21] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T12:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-07-07T12:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-07-07T12:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-07-07T12:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-07-07T12:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-07T12:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-07-07T12:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-07-07T12:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-07-07T12:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-07-07T12:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-07-07T12:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-07-07T12:54:21] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T12:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-07-07T13:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-07-07T13:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-07T13:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-07-07T13:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-07-07T13:14:21] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T13:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2499
[2026-07-07T13:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-07-07T13:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2492
[2026-07-07T13:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2486
[2026-07-07T13:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-07-07T13:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-07T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2482
[2026-07-07T13:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2486
[2026-07-07T13:40:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2479
[2026-07-07T13:42:58] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-07T13:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2476
[2026-07-07T13:49:21] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T13:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2484
[2026-07-07T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2473
[2026-07-07T13:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2470
[2026-07-07T14:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-07T14:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-07-07T14:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2481
[2026-07-07T14:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-07T14:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2460
[2026-07-07T14:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2470
[2026-07-07T14:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2470
[2026-07-07T14:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2475
[2026-07-07T14:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-07-07T14:24:21] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T14:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2455
[2026-07-07T14:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2459
[2026-07-07T14:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2467
[2026-07-07T14:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-07T14:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2461
[2026-07-07T14:40:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-07-07T14:44:21] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T14:45:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2457
[2026-07-07T14:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-07-07T14:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-07-07T14:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-07-07T15:00:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-07-07T15:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-07T15:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-07-07T15:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-07-07T15:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2428
[2026-07-07T15:12:58] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-07T15:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2426
[2026-07-07T15:19:21] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T15:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2419
[2026-07-07T15:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2428
[2026-07-07T15:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2416
[2026-07-07T15:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2413
[2026-07-07T15:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-07T15:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2406
[2026-07-07T15:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2415
[2026-07-07T15:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2409
[2026-07-07T15:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2408
[2026-07-07T15:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2400
[2026-07-07T15:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2416
[2026-07-07T15:54:21] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T15:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2404
[2026-07-07T16:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2410
[2026-07-07T16:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2395
[2026-07-07T16:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-07T16:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2392
[2026-07-07T16:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2393
[2026-07-07T16:14:21] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-07T16:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2392
[2026-07-07T16:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2397

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

请按以下 JSON 格式回答：

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

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

{
  "is_anomaly": false,
  "confidence": "medium",
  "threat_type": "none",
  "threat_description": "当前日志更符合正常模式，不建议报警。",
  "reasoning": [
    "推理步骤1: 正常样本是小幅波动；异常样本出现不可能的极端跳变。"
  ],
  "key_evidence": [
    "正常样本是小幅波动；异常样本出现不可能的极端跳变。"
  ],
  "recommended_actions": [
    "继续监测，无需立即处置。"
  ]
}

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "客厅温度传感器读数出现严重逻辑错误，在正常室温范围内突然跳变至异常高温值（25.49°C -> 25.59°C），随后又迅速回落，且伴随同一时间点其他房间传感器数据缺失或不同步，表明传感器可能故障或被干扰。",
  "reasoning": [
    "推理步骤 1: 分析时间戳为 2026-07-07T10:10:00 的日志，living_room_temp_sensor 报告温度为 2559 (即 25.59°C)。虽然该数值本身在物理上并非不可能，但结合上下文看，前一分钟 (10:00) 为 25.43°C，后一分钟 (10:25) 为 25.51°C，变化幅度极小且平稳。然而，仔细观察 14:00 到 14:05 之间的数据：14:00 报告 2430 (24.30°C)，紧接着 14:05 报告 2550 (25.50°C)，随后 14:10 又回到 2460 (24.60°C)。这种在短时间内（5分钟内）从 24.3°C 剧烈波动到 25.5°C 再迅速回落的模式，不符合自然热力学规律（除非有巨大的热源瞬间出现并消失，但这与 occupancy=0 矛盾）。",
    "推理步骤 2: 检查关联设备状态。在 14:00 和 14:05 期间，living_room_occupancy 始终为 0（无人），且没有空调开启或关闭的相关日志。如果存在真实的热源导致温度骤升，通常会有人员活动或设备动作记录。此外，厨房温度传感器在同一时间段（14:00-14:15）的数据相对平稳（2475->2470），未出现同步的剧烈波动，排除了全屋性环境突变的可能性。",
    "推理步骤 3: 综合判断。温度传感器在无人、无相关设备操作的情况下，表现出非线性的、剧烈的数值跳变（Drift/Stuck behavior），且与其他房间传感器数据不一致。这符合传感器硬件故障（如校准丢失、内部电路噪声）、固件 Bug 或受到强电磁干扰的特征，属于典型的 sensor_malfunction。"
  ],
  "key_evidence": [
    "2026-07-07T14:00:00 至 14:05:00 期间，living_room_temp_sensor 读数从 2430 (24.30°C) 突增至 2550 (25.50°C)，随后在 14:10:00 迅速回落至 2460 (24.60°C)，波动幅度超过 1.2°C 且恢复过快。",
    "同期 living_room_occupancy 持续为 0，且 kitchen_temp_sensor 数据平稳，缺乏支持如此剧烈温度变化的物理依据（如人员进入或大功率电器启动）。"
  ],
  "recommended_actions": [
    "立即检查客厅温度传感器的物理连接及供电情况，排除接触不良导致的信号跳变。",
    "对比查看该传感器的历史校准数据，必要时进行重新校准或更换新传感器。",
    "暂时依赖其他房间的温度传感器数据进行室内温控决策，避免基于错误数据误判空调启停。"
  ]
}
```


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: 三室两厅 (3BR)
- 重点房间 living_room: 客厅主灯[dimmable_light], 客厅副灯[dimmable_light], 客厅氛围灯[onoff_light], 客厅空调[air_conditioner], 客厅温度传感器[temperature_sensor], 客厅运动传感器[occupancy_sensor], 客厅窗帘1[window_covering], 客厅窗户传感器1[contact_sensor], ... 共10个设备
- 房间 balcony: 阳台灯[onoff_light], 阳台门传感器[contact_sensor], 洗衣机[laundry_washer]
- 房间 dining_room: 餐厅灯[dimmable_light], 餐厅运动传感器[occupancy_sensor]
- 房间 entrance: 入户门锁[door_lock], 入户门传感器[contact_sensor], 玄关灯[onoff_light], 玄关运动传感器[occupancy_sensor]
- 房间 kids_room: 儿童房灯[dimmable_light], 儿童房运动传感器[occupancy_sensor], 儿童房窗帘[window_covering], 儿童房窗户传感器[contact_sensor], 儿童房温度传感器[temperature_sensor]
- 房间 kitchen: 厨房灯[onoff_light], 厨房灶具[cook_surface], 厨房烟雾报警器[smoke_co_alarm], 厨房温度传感器[temperature_sensor], 厨房窗户传感器[contact_sensor], 洗碗机[dishwasher], 厨房漏水传感器[water_leak_detector]
- 房间 master_bathroom: 主卫灯[onoff_light], 主卫运动传感器[occupancy_sensor], 主卫漏水传感器[water_leak_detector]
- 房间 master_bedroom: 主卧灯[dimmable_light], 主卧床头灯[onoff_light], 主卧空调[air_conditioner], 主卧运动传感器[occupancy_sensor], 主卧窗帘[window_covering], 主卧窗户传感器[contact_sensor], 主卧温度传感器[temperature_sensor]
- 房间 second_bathroom: 次卫灯[onoff_light], 次卫漏水传感器[water_leak_detector]
- 房间 second_bedroom: 次卧灯[dimmable_light], 次卧空调[air_conditioner], 次卧运动传感器[occupancy_sensor], 次卧窗帘[window_covering], 次卧窗户传感器[contact_sensor]

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ1
- 重点房间: living_room
- 重点设备: living_room_light_1, master_bathroom_occupancy, master_bedroom_occupancy
- 已选事件数: 129

## 设备事件日志
[2026-08-05T00:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T01:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T01:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2299
[2026-08-05T01:30:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T01:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2323
[2026-08-05T02:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2318
[2026-08-05T02:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2347
[2026-08-05T02:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2349
[2026-08-05T03:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T03:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2366
[2026-08-05T03:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T03:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2396
[2026-08-05T04:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2393
[2026-08-05T04:00:00] dining_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T04:00:00] entrance_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T04:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2401
[2026-08-05T04:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2417
[2026-08-05T04:20:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2410
[2026-08-05T04:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2420
[2026-08-05T04:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T04:30:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T04:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-08-05T04:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-08-05T04:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2428
[2026-08-05T04:55:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-08-05T05:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-08-05T05:00:00] kids_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T05:05:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-08-05T05:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-08-05T05:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-08-05T05:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-08-05T05:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-08-05T05:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T05:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2465
[2026-08-05T05:40:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2455
[2026-08-05T05:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2468
[2026-08-05T05:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2464
[2026-08-05T06:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2484
[2026-08-05T06:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T06:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2471
[2026-08-05T06:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2480
[2026-08-05T06:15:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2473
[2026-08-05T06:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2488
[2026-08-05T06:23:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T06:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T06:33:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T06:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-08-05T06:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-08-05T06:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-08-05T06:53:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T06:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-08-05T06:55:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T06:58:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T07:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2500
[2026-08-05T07:04:30] kitchen_window_contact | BooleanState.StateValue = False
[2026-08-05T07:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2505
[2026-08-05T07:05:00] living_room_light_1 | OnOff.OnOff = True
[2026-08-05T07:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-08-05T07:10:00] master_bathroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T07:14:10] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T07:18:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T07:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-08-05T07:20:25] kids_room_light | OnOff.OnOff = False
[2026-08-05T07:20:36] front_door_contact | BooleanState.StateValue = True
[2026-08-05T07:25:01] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T07:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-08-05T07:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T07:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-08-05T07:38:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T07:40:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-08-05T07:44:10] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T07:45:32] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T07:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-08-05T07:53:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T07:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-05T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T08:04:10] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T08:05:32] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T08:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-05T08:13:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T08:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-05T08:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-08-05T08:23:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T08:25:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-05T08:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-05T08:33:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T08:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-05T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-05T08:43:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T08:45:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-05T08:49:10] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T08:50:32] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T08:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-05T09:00:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-05T09:03:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T09:05:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-05T09:09:10] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T09:10:32] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T09:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-05T09:18:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T09:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-05T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-05T09:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-05T09:30:32] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T09:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-05T09:38:00] kids_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T09:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-05T09:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-08-05T09:48:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T09:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-05T09:54:10] dining_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T09:55:01] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T10:00:00] living_room_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 = 2557
[2026-08-05T10:08:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T10:10:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-05T10:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-05T10:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-05T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-05T10:53:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T11:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T11:13:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T11:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-05T11:33:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-05T11:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-05T11:55:01] master_bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-05T12:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-05T12:18:00] master_bedroom_occupancy | OccupancySensing.Occupancy = 1

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

请按以下 JSON 格式回答：

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

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

{
  "is_anomaly": false,
  "confidence": "medium",
  "threat_type": "none",
  "threat_description": "当前日志更符合正常模式，不建议报警。",
  "reasoning": [
    "推理步骤1: 正常样本是起床链路的短时活动；异常样本是长时间单点持续 Occupied。"
  ],
  "key_evidence": [
    "正常样本是起床链路的短时活动；异常样本是长时间单点持续 Occupied。"
  ],
  "recommended_actions": [
    "继续监测，无需立即处置。"
  ]
}

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_drift",
  "threat_description": "客厅温度传感器读数严重偏离物理常识，显示异常高温（22.99°C - 25.57°C），且数值随时间持续线性上升，不符合自然热力学规律。",
  "reasoning": [
    "推理步骤 1: 分析日志发现 living_room_temp_sensor 从凌晨 01:20 的 2299 (即 22.99°C) 开始，到上午 12:18 达到 2534 (即 25.34°C)，并在短时间内呈现近乎线性的持续增长趋势。",
    "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 master_bedroom_temp_sensor 在 06:00 为 24.84°C，随后波动在 24-25°C 之间），虽然也在升高，但幅度相对合理，符合清晨气温回升或空调未开启导致的缓慢升温。",
    "推理步骤 3: 客厅温度传感器的增长速率（约 0.01°C/分钟）远超正常环境温度变化速率，且最终读数接近 26°C 时仍未见明显波动或下降，这种‘只升不降’且斜率过大的特征极大概率是传感器校准漂移、固件 Bug 或信号干扰导致的读数错误，而非真实火灾或过热环境。",
    "推理步骤 4: 尽管入户门和厨房窗户有开合记录，人员活动频繁，但并未伴随烟雾报警器触发或空调自动启动降温等联动反应，进一步佐证了该温度读数的不可靠性。"
  ],
  "key_evidence": [
    "living_room_temp_sensor 在 01:20 至 12:18 期间，温度值从 2299 单调递增至 2534，增长速率异常。",
    "同期其他区域温度传感器读数变化平缓，与客厅传感器表现出显著不同的行为模式。",
    "系统未针对该异常高温触发任何安全设备（如烟雾报警或空调强冷）的响应。"
  ],
  "recommended_actions": [
    "立即检查客厅温度传感器的硬件连接及供电情况，排除接触不良。",
    "重置客厅温度传感器并重新校准，或将其暂时替换为备用传感器以确认故障点。",
    "审查 Matter 协议下的温度测量 Cluster 配置，检查是否存在单位换算错误或数据上报逻辑缺陷。",
    "在修复前，建议人工定期手动测量客厅实际温度，以防因传感器误报导致错误的自动化控制决策（如误关空调）。"
  ]
}
```


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

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

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

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

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ1
- 重点房间: living_room
- 重点设备: bedroom_temp_sensor
- 已选事件数: 120

## 设备事件日志
[2026-08-22T00:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2172
[2026-08-22T08:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-22T08:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2424
[2026-08-22T08:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-22T08:30:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T08:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-08-22T08:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-22T08:55:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T09:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-08-22T09:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-22T09:20:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T09:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-08-22T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-22T09:45:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T09:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2457
[2026-08-22T10:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-22T10:10:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T10:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-08-22T10:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-22T10:35:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T10:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-08-22T11:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-08-22T11:01:43] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-22T11:05:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T11:06:30] kitchen_cook_surface | OnOff.OnOff = True
[2026-08-22T11:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2437
[2026-08-22T11:16:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T11:20:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T11:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-22T11:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-22T11:31:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-08-22T11:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-08-22T11:36:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T11:40:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T11:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2443
[2026-08-22T11:46:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T11:50:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T11:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-08-22T12:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-08-22T12:01:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T12:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-22T12:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-22T12:15:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T12:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-08-22T12:21:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T12:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2412
[2026-08-22T12:28:02] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T12:30:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T12:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2423
[2026-08-22T12:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-08-22T12:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2518
[2026-08-22T12:51:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T12:55:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T13:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2415
[2026-08-22T13:01:43] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-22T13:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2401
[2026-08-22T13:13:02] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T13:15:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T13:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2505
[2026-08-22T13:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2485
[2026-08-22T13:26:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T13:30:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-08-22T13:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2376
[2026-08-22T13:48:02] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T13:50:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T13:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2487
[2026-08-22T14:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2482
[2026-08-22T14:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-08-22T14:01:43] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-22T14:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-22T14:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2470
[2026-08-22T14:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2470
[2026-08-22T14:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2469
[2026-08-22T14:16:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T14:20:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T14:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2360
[2026-08-22T14:26:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T14:31:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T14:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2359
[2026-08-22T14:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2442
[2026-08-22T14:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-08-22T14:51:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T14:55:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T15:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2344
[2026-08-22T15:01:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T15:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2323
[2026-08-22T15:16:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T15:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-08-22T15:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2423
[2026-08-22T15:26:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T15:30:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T15:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2421
[2026-08-22T15:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2319
[2026-08-22T15:46:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T15:51:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T15:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2402
[2026-08-22T16:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2406
[2026-08-22T16:01:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T16:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2399
[2026-08-22T16:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2400
[2026-08-22T16:15:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T16:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2282
[2026-08-22T16:21:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T16:26:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T16:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2371
[2026-08-22T16:31:43] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-22T16:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2372
[2026-08-22T16:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2376
[2026-08-22T16:46:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T16:50:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T16:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2360
[2026-08-22T17:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2357
[2026-08-22T17:01:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T17:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2350
[2026-08-22T17:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2347
[2026-08-22T17:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2252
[2026-08-22T17:31:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-22T17:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2233
[2026-08-22T17:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2323

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

请按以下 JSON 格式回答：

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

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

{
  "is_anomaly": false,
  "confidence": "medium",
  "threat_type": "none",
  "threat_description": "当前日志更符合正常模式，不建议报警。",
  "reasoning": [
    "推理步骤1: 正常样本是小幅波动；异常样本出现不可能的极端跳变。"
  ],
  "key_evidence": [
    "正常样本是小幅波动；异常样本出现不可能的极端跳变。"
  ],
  "recommended_actions": [
    "继续监测，无需立即处置。"
  ]
}

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "卧室温度传感器读数出现严重逻辑错误，数值异常偏低（约 -10°C），且与同时间其他房间及人体活动状态严重不符。",
  "reasoning": [
    "推理步骤 1: 分析数据单位与范围。日志中的温度值（如 2172, 2424）明显超出了常规摄氏度范围（-20 到 60）。结合 Matter 协议常见实现，这些数值极可能是将实际温度乘以 10 后的整数表示（即实际温度为 21.72°C, 24.24°C），或者是原始十六进制/浮点数转换错误。",
    "推理步骤 2: 识别异常突变。在 2026-08-22T14:05:00 至 14:10:00 期间，卧室温度从正常的 2430 (24.30°C) 瞬间跳变为 2550 (25.50°C)，随后在 14:25:00 骤降至 2360 (23.60°C)，并在 15:00:00 后持续下降至 2252 (22.52°C)。这种在短时间内剧烈波动并跌破合理下限的行为不符合热力学规律。",
    "推理步骤 3: 交叉验证环境上下文。日志显示该时间段内（14:00-17:50），客厅、厨房温度均在 23°C-25°C 之间正常波动，且卧室运动传感器多次检测到有人（Occupancy=1）。如果老人仍在室内，卧室温度不可能在没有极端制冷设备开启的情况下自然降至 -10°C 以下。这表明传感器硬件故障或固件计算逻辑崩溃，而非真实环境温度变化。",
    "推理步骤 4: 评估风险。虽然独居老人对低温敏感，但此处的‘低温’是虚假读数。然而，传感器失效可能导致基于该数据的自动化系统（如恒温器）做出错误决策（例如关闭暖气导致真实室温过低，或误报警报），因此属于高置信度的设备故障。"
  ],
  "key_evidence": [
    "2026-08-22T14:25:00 卧室温度读数为 2360 (推测为 23.60°C)，但在随后的 15:00:00 读数为 2344 (23.44°C)，而到了 17:15:00 读数仅为 2252 (22.52°C)，且之后继续下降趋势明显，这与夏季白天室内通常保持恒温的习惯相悖。",
    "更关键的证据在于早期数据：2026-08-22T00:00:00 读数为 2172 (21.72°C)，若按字面意思则是 -10.92°C，这在有人的居住环境中是不可能的。即使按 x10 换算，后续数值的剧烈震荡（如 14:05 的 2550 vs 14:25 的 2360）也显示出非物理性的噪声或故障特征。",
    "对比同期客厅温度（约 24-25°C）和厨房温度（约 24-25°C），卧室温度曲线呈现独立的、不合理的下降趋势，排除了全屋空调故障的可能性。"
  ],
  "recommended_actions": [
    "立即检查卧室温度传感器的物理连接和供电情况，确认是否松动或损坏。",
    "联系设备制造商或技术支持，要求重置传感器固件或更换新传感器。",
    "在维修完成前，建议人工定期手动测量卧室温度，以防因传感器误报导致老人处于真实危险环境（如过热或过冷）。",
    "审查智能家居自动化规则，确保没有依赖该错误数据进行关键安全决策（如自动关闭供暖）。"
  ]
}
```


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

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

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

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

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ1
- 重点房间: living_room
- 重点设备: bedroom_temp_sensor, living_room_temp_sensor
- 已选事件数: 132

## 设备事件日志
[2026-08-29T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2277
[2026-08-29T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-29T09:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-29T09:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-08-29T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-29T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-29T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2560
[2026-08-29T10:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-29T10:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-08-29T10:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-08-29T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-08-29T11:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-29T11:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-29T11:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-29T11:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-29T11:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-29T11:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-29T12:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-29T12:04:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T12:09:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T12:14:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T12:16:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T12:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-08-29T12:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-08-29T12:29:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T12:34:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T12:38:00] living_room_light | OnOff.OnOff = False
[2026-08-29T12:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-08-29T12:54:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T12:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-08-29T13:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2401
[2026-08-29T13:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-08-29T13:09:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T13:14:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T13:19:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T13:23:04] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T13:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2390
[2026-08-29T13:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-08-29T13:34:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T13:39:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T13:44:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T13:48:04] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T13:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2377
[2026-08-29T13:55:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T14:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2480
[2026-08-29T14:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2378
[2026-08-29T14:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2460
[2026-08-29T14:19:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T14:24:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T14:25:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T14:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-08-29T14:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2351
[2026-08-29T14:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2449
[2026-08-29T14:44:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T14:49:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T14:50:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T14:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-08-29T15:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2329
[2026-08-29T15:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2410
[2026-08-29T15:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2420
[2026-08-29T15:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2428
[2026-08-29T15:09:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T15:14:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T15:15:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T15:20:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T15:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2322
[2026-08-29T15:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2417
[2026-08-29T15:34:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T15:39:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T15:40:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T15:45:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T15:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2396
[2026-08-29T15:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2400
[2026-08-29T15:59:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T16:04:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T16:05:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T16:10:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T16:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2398
[2026-08-29T16:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2284
[2026-08-29T16:24:19] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-29T16:29:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T16:30:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T16:35:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T16:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2376
[2026-08-29T16:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2280
[2026-08-29T16:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2375
[2026-08-29T16:54:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T16:55:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T17:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T17:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-08-29T17:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2580
[2026-08-29T17:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2366
[2026-08-29T17:09:30] kitchen_cook_surface | OnOff.OnOff = True
[2026-08-29T17:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2348
[2026-08-29T17:24:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T17:25:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T17:30:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T17:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2333
[2026-08-29T17:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2239
[2026-08-29T17:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2328
[2026-08-29T17:49:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T17:54:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T17:55:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T18:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2330
[2026-08-29T18:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2217
[2026-08-29T18:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2317
[2026-08-29T18:14:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T18:19:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T18:20:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T18:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2320
[2026-08-29T18:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2201
[2026-08-29T18:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2304
[2026-08-29T18:39:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T18:44:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T18:45:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T18:50:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T18:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2206
[2026-08-29T19:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2285
[2026-08-29T19:04:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T19:09:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T19:10:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T19:15:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T19:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2280
[2026-08-29T19:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2278
[2026-08-29T19:29:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T19:31:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T19:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2283
[2026-08-29T19:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2172
[2026-08-29T19:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2282
[2026-08-29T19:49:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T19:54:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-29T19:55:00] bedroom_occupancy | OccupancySensing.Occupancy = 1

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

请按以下 JSON 格式回答：

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

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

{
  "is_anomaly": false,
  "confidence": "medium",
  "threat_type": "none",
  "threat_description": "当前日志更符合正常模式，不建议报警。",
  "reasoning": [
    "推理步骤1: 正常样本两房间仍保持接近；异常样本差值突然扩大且只有一侧偏移。"
  ],
  "key_evidence": [
    "正常样本两房间仍保持接近；异常样本差值突然扩大且只有一侧偏移。"
  ],
  "recommended_actions": [
    "继续监测，无需立即处置。"
  ]
}

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_drift",
  "threat_description": "客厅温度传感器读数出现严重漂移，导致室温显示值与实际环境及人体活动产生的热量变化严重不符，存在误报或设备故障风险。",
  "reasoning": [
    "推理步骤 1: 分析日志发现，从 09:00 到 12:54，当住户在厨房、卧室和客厅活动时（Occupancy=1），且厨房灶具开启后，客厅温度传感器读数异常升高并稳定在 25.3°C - 25.6°C (2538-2560 mK) 之间。",
    "推理步骤 2: 然而，从 13:00 开始，尽管住户仍在频繁活动（尤其是厨房和卧室），客厅温度读数却突然大幅下降至 24.9°C，并在随后几小时内持续下降至 22.7°C (2278 mK)，这与室内有人活动且未开空调降温的常理相悖。",
    "推理步骤 3: 对比同一时间段内其他房间的温度数据（如卧室温度在 21.7°C - 25.8°C 之间波动，厨房温度在 22.8°C - 25.1°C 之间），客厅传感器的数值变化趋势与其他传感器及物理常识（人体产热应使室温微升或维持）不一致，表明该传感器可能存在校准漂移、硬件故障或通信干扰导致的读数错误。"
  ],
  "key_evidence": [
    "2026-08-29T12:00:00 至 12:54:00 期间，客厅温度维持在约 25.5°C，而同期卧室和厨房温度较低且随活动变化。",
    "2026-08-29T13:00:00 起，在无外部干预记录的情况下，客厅温度在 1 小时内从 24.9°C 骤降至 22.7°C，与住户持续活动的状态矛盾。",
    "2026-08-29T17:00:00 时，卧室温度高达 25.8°C，而仅隔一墙的客厅温度仅为 23.2°C，温差过大且不符合热力学规律。"
  ],
  "recommended_actions": [
    "立即检查客厅温度传感器的电池电量及物理连接状态。",
    "将客厅温度传感器重置并重新校准，或将其替换为备用传感器。",
    "暂时依赖卧室或厨房的温度数据进行环境监测，避免基于错误的客厅温度做出错误的空调控制决策。"
  ]
}
```


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

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ1
- 重点房间: living_room
- 重点设备: living_room_window, living_room_window_contact
- 已选事件数: 117

## 设备事件日志
[2026-08-10T03:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2362
[2026-08-10T03:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2373
[2026-08-10T03:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2391
[2026-08-10T04:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-10T04:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2410
[2026-08-10T04:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2417
[2026-08-10T04:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-08-10T05:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-08-10T05:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-08-10T05:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2466
[2026-08-10T06:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-10T06:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2490
[2026-08-10T06:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2375
[2026-08-10T06:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-08-10T06:23:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-08-10T06:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2392
[2026-08-10T06:28:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T06:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-10T06:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2487
[2026-08-10T06:41:07] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T06:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-08-10T06:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2403
[2026-08-10T06:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2509
[2026-08-10T06:56:11] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T06:57:59] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-10T07:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-08-10T07:03:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T07:06:07] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T07:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2417
[2026-08-10T07:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2413
[2026-08-10T07:23:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T07:26:07] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T07:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-08-10T07:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2415
[2026-08-10T07:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-08-10T07:48:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T07:51:07] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T07:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2434
[2026-08-10T07:57:59] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-10T08:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-08-10T08:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-08-10T08:13:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T08:16:07] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T08:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-08-10T08:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-08-10T08:34:00] front_door_lock | DoorLock.LockState = 2
[2026-08-10T08:34:05] living_room_light | OnOff.OnOff = True
[2026-08-10T08:36:07] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-10T08:43:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T08:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-08-10T08:49:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T08:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-10T08:54:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T08:56:07] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-10T09:08:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T09:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2437
[2026-08-10T09:10:00] living_room_window | WindowCovering.CurrentPositionLiftPercent100ths = 5000
[2026-08-10T09:10:00] living_room_window_contact | BooleanState.StateValue = False
[2026-08-10T09:14:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T09:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-08-10T09:19:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T09:20:00] living_room_window_contact | BooleanState.StateValue = True
[2026-08-10T09:21:07] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T09:27:59] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-10T09:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-10T09:33:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T09:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-08-10T09:39:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T09:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-10T09:44:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T09:46:07] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-10T09:53:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T09:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-08-10T10:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2458
[2026-08-10T10:04:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T10:09:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T10:11:07] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T10:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-10T10:18:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T10:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-08-10T10:24:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T10:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-10T10:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-10T10:34:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T10:36:07] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-10T10:43:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T10:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-08-10T10:49:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T10:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-10T10:54:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T10:56:07] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T11:03:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-08-10T11:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-10T11:08:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T11:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2442
[2026-08-10T11:14:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T11:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-10T11:19:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T11:22:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T11:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-10T11:27:59] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-10T11:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-10T11:33:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T11:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-08-10T11:39:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-08-10T11:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-08-10T11:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-08-10T11:49:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T11:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-10T11:54:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T11:57:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-10T12:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-08-10T12:08:00] bedroom_occupancy | OccupancySensing.Occupancy = 1

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

请按以下 JSON 格式回答：

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

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

```json
{
  "is_anomaly": false,
  "confidence": "high",
  "threat_type": "none",
  "threat_description": "所有设备状态变化符合独居老人在早晨起床、活动及开窗通风的正常行为模式，未发现安全威胁或设备故障。",
  "reasoning": [
    "1. 温度数据合理性分析：日志中客厅温度传感器数值从2362（约23.6°C）逐渐上升至2550（约25.5°C），符合夏季早晨气温回升及室内人员活动产热的物理规律，无传感器漂移或故障迹象。",
    "2. 门窗操作逻辑正常：09:10 窗户打开（lift=50%）且接触传感器显示关闭（False，通常表示开启/未闭合），随后在09:20接触传感器显示True（闭合）。这表明住户进行了‘开窗-短暂停留/调整-关窗’的操作，或者传感器存在极短时间的误报后恢复，整体行为连贯，非入侵特征。",
    "3. 人员活动轨迹符合生活习惯：06:28 卧室有人，06:41 厨房有人，08:34 门锁解锁并开灯，09:10 客厅活动。这构成了典型的‘起床-洗漱/如厕-准备早餐/用餐-客厅活动’的早晨生活流程，无异常滞留或长时间静止（跌倒风险低）。",
    "4. 关键设备状态正常：灶具在06:23和11:39关闭，未见长时间无人看管烹饪；烟雾报警器无报警记录；门锁仅在早晨正常时段开启，无非法闯入迹象。"
  ],
  "key_evidence": [
    "living_room_temp_sensor 温度随时间平稳上升 (23.62 -> 25.50)，符合环境变化。",
    "living_room_window 在 09:10 开启，09:20 关闭，伴随 occupancy 活动，属正常通风行为。",
    "entrance_door_lock 在 08:34 解锁，结合后续客厅活动，符合老人早起出门或取物习惯。",
    "kitchen_cook_surface 在 06:23 和 11:39 关闭，无未关闭风险。"
  ],
  "recommended_actions": [
    "无需采取紧急措施。",
    "建议定期校准温度传感器以确保读数精确，但目前数据趋势正常。"
  ]
}
```

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "fire_risk",
  "threat_description": "检测到厨房灶具在无人看管的情况下长时间处于开启状态，且伴随室内温度异常升高，存在严重的火灾隐患。",
  "reasoning": [
    "推理步骤 1: 日志显示在 06:23:00 厨房灶具 (kitchen_cook_surface) 被关闭，但在 11:39:00 再次被记录为关闭。这意味着从 06:23 到 11:39 之间（约 5 小时），灶具处于开启状态。",
    "推理步骤 2: 在此期间，厨房运动传感器 (kitchen_occupancy) 频繁报告有人 (Occupancy = 1)，但结合独居老人背景及后续行为分析，需确认是否为真实烹饪或误报。然而，更关键的证据是温度数据。",
    "推理步骤 3: 客厅温度传感器数据显示，从凌晨 03:10 的 23.62°C 持续上升至上午 10:40 的 25.52°C，并在中午 12:05 降至 25.23°C。这种缓慢而持续的升温趋势与长时间未关火的灶具加热环境相符。特别是 08:34 门锁解锁和灯光开启后，人员活动增加，若此时灶具仍开着且无人有效监管（考虑到老人可能忘记关闭或操作失误），风险极高。",
    "推理步骤 4: 虽然 11:39 记录了灶具关闭，但长达 5 小时的无人看管烹饪（Unattended Cooking）对于独居老人而言是典型的高危安全事件，极易引发火灾。"
  ],
  "key_evidence": [
    "kitchen_cook_surface 在 06:23 关闭后，直到 11:39 才再次记录关闭，中间间隔超过 5 小时。",
    "living_room_temp_sensor 记录的温度从 03:10 的 23.62°C 持续攀升至 10:40 的 25.52°C，呈现明显的累积升温特征。",
    "用户画像为独居老人，认知能力或记忆力可能存在隐患，容易遗忘关闭灶具。"
  ],
  "recommended_actions": [
    "立即通知住户检查厨房，确认灶具是否已完全熄灭并清理周边易燃物。",
    "建议安装或启用智能烟雾报警器联动切断燃气/电源功能，防止类似情况再次发生。",
    "联系家属或社区服务人员，提醒老人注意用火安全，必要时提供上门协助或定期巡检服务。"
  ]
}
```


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

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

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

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

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ1
- 重点房间: living_room
- 重点设备: bedroom_temp_sensor
- 已选事件数: 123

## 设备事件日志
[2026-08-23T00:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2168
[2026-08-23T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-23T08:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-08-23T08:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-08-23T08:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-08-23T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-23T08:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-23T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-08-23T09:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-08-23T09:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-08-23T09:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-08-23T09:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-23T09:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-23T09:51:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-23T09:51:20] living_room_window | WindowCovering.CurrentPositionLiftPercent100ths = 0
[2026-08-23T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-23T10:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-08-23T10:11:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-23T10:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-08-23T10:31:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-23T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-23T10:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-08-23T10:51:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-23T11:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-23T11:04:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-23T11:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2743
[2026-08-23T11:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2443
[2026-08-23T11:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-08-23T11:24:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-23T11:25:38] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-23T11:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-08-23T11:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-08-23T11:41:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-23T11:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2889
[2026-08-23T11:48:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-08-23T11:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2858
[2026-08-23T11:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-08-23T11:59:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-23T12:01:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-23T12:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2731
[2026-08-23T12:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-08-23T12:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-08-23T12:19:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-23T12:21:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-23T12:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-08-23T12:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-08-23T12:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2508
[2026-08-23T12:42:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-08-23T12:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-08-23T12:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2400
[2026-08-23T12:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-08-23T12:56:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-23T13:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-08-23T13:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2407
[2026-08-23T13:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-08-23T13:14:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-23T13:16:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-23T13:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-08-23T13:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2396
[2026-08-23T13:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2487
[2026-08-23T13:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2392
[2026-08-23T13:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2483
[2026-08-23T13:49:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-23T13:51:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-23T13:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2479
[2026-08-23T14:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2468
[2026-08-23T14:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-08-23T14:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-23T14:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2473
[2026-08-23T14:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2470
[2026-08-23T14:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2364
[2026-08-23T14:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2466
[2026-08-23T14:24:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-23T14:25:38] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-23T14:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2349
[2026-08-23T14:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2462
[2026-08-23T14:41:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-23T14:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-08-23T14:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2337
[2026-08-23T14:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-08-23T15:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2437
[2026-08-23T15:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2332
[2026-08-23T15:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-08-23T15:14:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-23T15:16:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-23T15:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2416
[2026-08-23T15:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2313
[2026-08-23T15:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2423
[2026-08-23T15:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2315
[2026-08-23T15:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2412
[2026-08-23T15:49:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-23T15:51:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-23T15:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2406
[2026-08-23T16:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2394
[2026-08-23T16:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2398
[2026-08-23T16:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2284
[2026-08-23T16:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2388
[2026-08-23T16:24:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-23T16:25:38] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-23T16:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2280
[2026-08-23T16:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2370
[2026-08-23T16:41:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-23T16:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2367
[2026-08-23T16:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2269
[2026-08-23T16:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2359
[2026-08-23T17:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2364
[2026-08-23T17:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2252
[2026-08-23T17:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2352
[2026-08-23T17:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2345
[2026-08-23T17:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2249
[2026-08-23T17:26:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-23T17:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2344
[2026-08-23T17:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2239
[2026-08-23T17:46:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-23T17:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2323
[2026-08-23T18:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2218
[2026-08-23T18:06:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-23T18:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2327
[2026-08-23T18:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2215
[2026-08-23T18:26:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-23T18:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2303
[2026-08-23T18:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2203
[2026-08-23T18:46:00] living_room_occupancy | OccupancySensing.Occupancy = 1

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

请按以下 JSON 格式回答：

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

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

{
  "is_anomaly": false,
  "confidence": "medium",
  "threat_type": "none",
  "threat_description": "当前日志更符合正常模式，不建议报警。",
  "reasoning": [
    "推理步骤1: 正常样本是小幅波动；异常样本出现不可能的极端跳变。"
  ],
  "key_evidence": [
    "正常样本是小幅波动；异常样本出现不可能的极端跳变。"
  ],
  "recommended_actions": [
    "继续监测，无需立即处置。"
  ]
}

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "厨房温度传感器在烹饪活动期间出现数据丢失和剧烈波动，表明设备可能故障或连接中断。",
  "reasoning": [
    "推理步骤 1: 日志显示在 11:45 至 12:42 期间，厨房温度传感器（kitchen_temp_sensor）报告了异常高的温度值（从 2889 降至 2508），随后在 12:42 明确返回了 None（无数据）。",
    "推理步骤 2: 结合上下文，此时段为白天且客厅/卧室有人活动，厨房温度先升高后骤降再恢复的过程不符合正常室温变化规律，且伴随多次 'None' 状态，强烈暗示传感器硬件故障、供电问题或通信链路中断。",
    "推理步骤 3: 虽然高数值本身可能引发火灾风险担忧，但根本原因是传感器无法持续提供有效读数（Sensor Malfunction），导致安全系统失去对厨房热源的监控能力，属于设备层面的故障而非单纯的环境威胁。"
  ],
  "key_evidence": [
    "[2026-08-23T12:42:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None",
    "[2026-08-23T11:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2889 (异常高温)",
    "[2026-08-23T11:48:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None (数据中断)"
  ],
  "recommended_actions": [
    "立即检查厨房温度传感器的物理连接、电池电量及供电情况。",
    "尝试重启该传感器设备以排除临时性通信故障。",
    "在修复前，建议用户人工留意厨房是否有烟雾或过热迹象，并暂时关闭正在使用的灶具。",
    "联系 Matter 设备管理员或技术支持进行固件更新或硬件更换。"
  ]
}
```


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

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

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

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

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ1
- 重点房间: living_room
- 重点设备: living_room_ac, living_room_temp_sensor
- 已选事件数: 129

## 设备事件日志
[2026-07-01T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2263
[2026-07-01T07:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-07-01T07:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2501
[2026-07-01T07:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-07-01T07:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-07-01T07:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-01T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-07-01T07:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-07-01T08:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-07-01T08:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-01T08:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-07-01T08:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-01T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-01T08:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-01T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-01T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-07-01T09:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-07-01T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-07-01T09:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-01T09:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-01T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-01T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2558
[2026-07-01T10:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-07-01T10:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-01T10:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-01T10:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-07-01T10:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2452
[2026-07-01T10:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-01T10:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-01T10:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-01T10:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-01T10:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-07-01T10:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-01T10:35:20] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-01T10:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2437
[2026-07-01T10:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-01T10:54:52] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-01T10:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2442
[2026-07-01T11:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-01T11:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-01T11:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-01T11:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-01T11:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-01T11:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-01T11:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-07-01T11:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-07-01T11:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-01T11:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-07-01T11:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-07-01T11:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-01T11:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-07-01T11:35:20] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-01T11:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-07-01T11:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-07-01T11:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-07-01T11:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2428
[2026-07-01T11:54:52] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-01T11:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2426
[2026-07-01T12:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-07-01T12:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-07-01T12:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-07-01T12:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-07-01T12:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-07-01T12:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-07-01T12:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-07-01T12:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-07-01T12:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-07-01T12:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-07-01T12:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2415
[2026-07-01T12:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-01T12:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2406
[2026-07-01T12:35:20] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-01T12:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2419
[2026-07-01T12:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-07-01T12:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-07-01T12:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2413
[2026-07-01T12:54:52] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-01T12:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2401
[2026-07-01T13:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2511
[2026-07-01T13:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-07-01T13:00:00] living_room_ac | OnOff.OnOff = True
[2026-07-01T13:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2495
[2026-07-01T13:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2498
[2026-07-01T13:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-07-01T13:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2500
[2026-07-01T13:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2390
[2026-07-01T13:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2840
[2026-07-01T13:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2497
[2026-07-01T13:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2485
[2026-07-01T13:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2383
[2026-07-01T13:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-01T13:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2720
[2026-07-01T13:35:20] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-01T13:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2389
[2026-07-01T13:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2488
[2026-07-01T13:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2486
[2026-07-01T13:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2370
[2026-07-01T13:54:52] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-01T13:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2371
[2026-07-01T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2610
[2026-07-01T14:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2464
[2026-07-01T14:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2474
[2026-07-01T14:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2462
[2026-07-01T14:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2481
[2026-07-01T14:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2469
[2026-07-01T14:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2464
[2026-07-01T14:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2364
[2026-07-01T14:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2460
[2026-07-01T14:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2472
[2026-07-01T14:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2467
[2026-07-01T14:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2367
[2026-07-01T14:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-01T14:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2351
[2026-07-01T14:35:20] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-01T14:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2345
[2026-07-01T14:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-07-01T14:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-07-01T14:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2337
[2026-07-01T14:54:52] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-01T14:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2346
[2026-07-01T15:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-07-01T15:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-07-01T15:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2428
[2026-07-01T15:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-07-01T15:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2425
[2026-07-01T15:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-07-01T15:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2328
[2026-07-01T15:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-07-01T15:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2426

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

请按以下 JSON 格式回答：

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

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

{
  "is_anomaly": false,
  "confidence": "medium",
  "threat_type": "none",
  "threat_description": "当前日志更符合正常模式，不建议报警。",
  "reasoning": [
    "推理步骤1: 正常样本空调开启后温度逐步下降；异常样本持续不降反升。"
  ],
  "key_evidence": [
    "正常样本空调开启后温度逐步下降；异常样本持续不降反升。"
  ],
  "recommended_actions": [
    "继续监测，无需立即处置。"
  ]
}

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "sensor_malfunction",
  "threat_description": "客厅温度传感器在空调开启后出现严重的数据跳变和逻辑矛盾，显示设备可能故障或受到干扰。",
  "reasoning": [
    "推理步骤 1: 在 2026-07-01T13:00:00 时，系统记录到客厅空调 (living_room_ac) 被开启 (OnOff.OnOff = True)，此时温度约为 25.1°C (2511 mK)，符合物理规律。",
    "推理步骤 2: 空调开启后的正常反应应是室温逐渐下降。然而，日志显示在 13:15:00 温度突然飙升至 28.4°C (2840 mK)，随后在 13:35:00 再次异常升高至 27.2°C (2720 mK)。这种在制冷运行期间出现的剧烈升温不符合热力学常识。",
    "推理步骤 3: 更关键的证据出现在 13:55:00，当空调持续运行时，温度读数瞬间从正常的 24.6°C 左右跳变为 26.1°C (2610 mK)，紧接着在 14:00:00 又回落到 24.6°C (2464 mK)。这种毫秒级或分钟级的剧烈数值震荡（Drift/Jump）且伴随无对应的热源事件（如窗户打开、人员进入），强烈表明传感器硬件故障、校准丢失或通信数据损坏，而非真实的环境变化。"
  ],
  "key_evidence": [
    "2026-07-01T13:00:00 空调开启，但随后温度未下降反而出现非物理性的剧烈波动。",
    "2026-07-01T13:15:00 和 13:35:00 的温度读数 (2840mK, 2720mK) 与前后时刻及厨房/卧室的温差趋势完全背离。",
    "2026-07-01T13:55:00 温度读数发生瞬时跳变 (2464 -> 2610 -> 2464)，呈现典型的传感器噪声或故障特征。"
  ],
  "recommended_actions": [
    "立即检查客厅温度传感器的物理状态，确认是否松动、进水或被遮挡。",
    "尝试重置该 Matter 设备并重新校准，若问题依旧则更换新传感器。",
    "在修复前，建议暂时忽略该传感器的自动温控指令，改用手动模式或依赖其他房间传感器进行交叉验证，以防误判导致空调频繁启停。"
  ]
}
```