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: SQ4
- 重点房间: living_room
- 重点设备: kitchen_cook_surface
- 已选事件数: 116

## 跨天活动摘要
- 2026-07-19: living_room=211, bedroom=242, kitchen=242, entrance=229, bathroom=60
- 2026-07-20: living_room=208, bedroom=242, kitchen=240, entrance=229, bathroom=63

## 设备事件日志
[2026-07-19T05:52:36] kitchen_cook_surface | OnOff.OnOff = True
[2026-07-19T10:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-07-19T10:11:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T10:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-07-19T10:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-19T10:41:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T10:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-19T11:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-19T11:02:06] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T11:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-19T11:06:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T11:14:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T11:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-19T11:16:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T11:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-07-19T11:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-19T11:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2443
[2026-07-19T11:31:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T11:34:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-07-19T11:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-07-19T11:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-07-19T11:40:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T11:44:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T11:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-07-19T11:46:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T11:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-07-19T11:51:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T11:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-07-19T12:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2429
[2026-07-19T12:00:00] kitchen_cook_surface | OnOff.OnOff = True
[2026-07-19T12:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-07-19T12:05:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T12:05:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-07-19T12:09:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T12:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-19T12:11:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T12:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2428
[2026-07-19T12:16:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T12:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-07-19T12:22:55] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-19T12:23:19] bedroom_window | WindowCovering.CurrentPositionLiftPercent100ths = 10000
[2026-07-19T12:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-07-19T12:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2429
[2026-07-19T12:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-07-19T12:35:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T12:38:09] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T12:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-07-19T12:41:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T12:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2409
[2026-07-19T12:46:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T12:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-07-19T12:52:55] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-19T12:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2402
[2026-07-19T13:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2505
[2026-07-19T13:00:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T13:03:09] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T13:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2505
[2026-07-19T13:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-07-19T13:16:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T13:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2492
[2026-07-19T13:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2479
[2026-07-19T13:46:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-19T13:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2468
[2026-07-19T13:56:13] living_room_light | OnOff.OnOff = True
[2026-07-19T14:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2480
[2026-07-20T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-20T10:05:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T10:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-07-20T10:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-20T10:35:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T10:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-20T11:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-20T11:00:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T11:04:05] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T11:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-20T11:06:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None
[2026-07-20T11:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2453
[2026-07-20T11:11:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T11:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-20T11:15:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T11:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-07-20T11:20:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T11:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-07-20T11:25:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T11:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-07-20T11:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2429
[2026-07-20T11:36:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T11:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-07-20T11:40:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T11:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-07-20T11:45:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T11:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2434
[2026-07-20T11:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-20T11:55:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T11:56:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T12:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-07-20T12:00:00] kitchen_cook_surface | OnOff.OnOff = True
[2026-07-20T12:04:00] kitchen_cook_surface | OnOff.OnOff = False
[2026-07-20T12:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-07-20T12:05:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T12:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-07-20T12:10:42] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-20T12:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2425
[2026-07-20T12:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-20T12:20:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T12:21:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T12:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-07-20T12:25:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T12:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2424
[2026-07-20T12:30:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T12:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-07-20T12:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-07-20T12:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2507
[2026-07-20T12:45:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T12:46:05] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-20T12:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516

## 任务
请综合以下多个设备与环境状态，评估家庭整体安全状况，指出任何潜在风险。

请按以下 JSON 格式回答：

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

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

{
  "is_anomaly": true,
  "confidence": "medium",
  "threat_type": "health_concern",
  "threat_description": "做饭时间异常短",
  "reasoning": [
    "推理步骤1: 做饭时长明显缩短",
    "推理步骤2: 跨天重复出现",
    "推理步骤3: 可能提示进食不足或功能下降"
  ],
  "key_evidence": [
    "做饭时长明显缩短",
    "跨天重复出现",
    "可能提示进食不足或功能下降"
  ],
  "recommended_actions": [
    "标记为进食相关异常，建议关注老人营养与健康状态。"
  ]
}

```json
{
  "is_anomaly": false,
  "confidence": "high",
  "threat_type": "none",
  "threat_description": "家庭环境运行正常，设备状态与独居老人的日常活动模式一致，未发现安全威胁或异常行为。",
  "reasoning": [
    "时间线分析：日志显示的活动主要集中在上午 10:00 至下午 14:00 之间，符合独居老人白天的正常作息规律（起床、活动、用餐）。",
    "烹饪行为验证：厨房灶具 (kitchen_cook_surface) 在 2026-07-19 和 2026-07-20 均于 12:00 左右开启，并在约 4 分钟后关闭。此操作发生在有人员在场（kitchen_occupancy=1）且紧邻卧室/客厅有人活动的时段，属于正常的午餐准备行为，排除了无人看管烹饪的风险。",
    "传感器数据一致性：温度传感器读数（如 living_room_temp_sensor 的 2557 对应 25.57°C）逻辑合理，未出现漂移或故障；运动传感器在各房间的状态变化连贯，反映了人员在客厅、厨房、卧室间的正常移动轨迹。",
    "无危险信号：未检测到烟雾报警、漏水报警、门锁异常开启或长时间无生命体征等紧急事件。"
  ],
  "key_evidence": [
    "厨房灶具开启后立即关闭，且当时厨房及邻近区域均有人员活动记录。",
    "所有温度传感器读数稳定且在合理范围内，无突变或丢失数据导致的误报风险。",
    "跨天活动摘要显示两日的生活节奏高度相似，符合稳定的独居生活模式。"
  ],
  "recommended_actions": [
    "继续保持当前的设备监控频率，无需额外干预。",
    "建议定期（如每周）手动检查一次烟雾报警器和漏水传感器，确保其物理功能正常。"
  ]
}
```


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

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

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

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

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ3
- 重点房间: living_room
- 重点设备: bedroom_occupancy, front_door_contact, front_door_lock
- 已选事件数: 95

## 跨天活动摘要
- 2026-08-26: living_room=208, bedroom=242, kitchen=238, entrance=231, bathroom=63
- 2026-08-27: living_room=210, bedroom=241, kitchen=237, entrance=231, bathroom=59
- 2026-08-28: living_room=209, bedroom=242, kitchen=237, entrance=229, bathroom=66

## 设备事件日志
[2026-08-26T00:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-26T07:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-08-26T07:26:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-08-26T07:46:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T07:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-26T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-26T08:06:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T08:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-26T08:12:13] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T08:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2434
[2026-08-26T08:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-08-26T08:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-08-26T08:31:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T08:35:00] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-08-26T08:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2442
[2026-08-26T08:35:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T08:44:05] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T08:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-08-26T08:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-08-26T08:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-26T08:55:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T09:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-08-26T09:00:00] front_door_contact | BooleanState.StateValue = False
[2026-08-26T09:01:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T09:01:00] front_door_lock | DoorLock.LockState = 2
[2026-08-26T09:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2442
[2026-08-26T09:05:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T09:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-08-26T09:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-08-26T09:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2555
[2026-08-26T09:20:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T09:24:05] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T09:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-26T09:26:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T09:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2443
[2026-08-26T09:30:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T09:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-08-26T09:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-08-26T09:40:42] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-26T09:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-26T09:45:03] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T09:49:05] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T09:51:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T10:11:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T10:31:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-26T20:53:14] front_door_lock | DoorLock.LockState = 1
[2026-08-27T06:54:15] front_door_lock | DoorLock.LockState = 1
[2026-08-27T20:35:15] front_door_lock | DoorLock.LockState = 1
[2026-08-28T07:09:13] front_door_lock | DoorLock.LockState = 1
[2026-08-28T07:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-08-28T07:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-28T07:36:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T08:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-08-28T08:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-08-28T08:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-08-28T08:11:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T08:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-08-28T08:15:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T08:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-08-28T08:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-28T08:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-08-28T08:34:09] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T08:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-08-28T08:35:02] front_door_contact | BooleanState.StateValue = False
[2026-08-28T08:35:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-08-28T08:41:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T08:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-08-28T08:45:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T08:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-08-28T08:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-28T08:55:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T09:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2448
[2026-08-28T09:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-08-28T09:05:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T09:06:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T09:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-08-28T09:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-08-28T09:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-08-28T09:20:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T09:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-08-28T09:25:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T09:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-08-28T09:30:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T09:31:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T09:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-08-28T09:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2458
[2026-08-28T09:41:48] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-28T09:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-28T09:45:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T09:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2451
[2026-08-28T09:51:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-28T10:11:00] bedroom_occupancy | OccupancySensing.Occupancy = 1

## 任务
以下是过去 3 天的设备活动记录。请识别其中是否存在可疑行为模式，并解释你的判断。

请按以下 JSON 格式回答：

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

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

{
  "is_anomaly": true,
  "confidence": "medium",
  "threat_type": "behavioral_anomaly",
  "threat_description": "出门频率突然下降",
  "reasoning": [
    "推理步骤1: 首日仍有出门链路",
    "推理步骤2: 后续明显缺少外出相关事件",
    "推理步骤3: 可能反映社交/功能退缩"
  ],
  "key_evidence": [
    "首日仍有出门链路",
    "后续明显缺少外出相关事件",
    "可能反映社交/功能退缩"
  ],
  "recommended_actions": [
    "标记为出门频率异常下降，建议结合老人状态持续观察。"
  ]
}

```json
{
  "is_anomaly": false,
  "confidence": "high",
  "threat_type": "none",
  "threat_description": "日志显示独居老人的日常活动模式正常，无入侵、异常停留或设备故障迹象。",
  "reasoning": [
    "时间线分析：所有事件均发生在合理的起床（07:00-08:30）、出门（09:00）和晚间归家/锁门（20:53, 20:35, 07:09）时间段内，符合独居老人的作息规律。",
    "行为逻辑验证：在 08:35 分入户门锁被手动上锁后，紧接着 09:00 分前门接触传感器状态变为 False（开门），随后老人进入厨房和客厅进行正常活动，最后在前一天晚上 20:53 再次确认门锁状态为锁定（LockState=1），表明出入流程完整且安全。",
    "环境数据一致性：室内温度传感器读数（约 24.3°C - 25.6°C）处于舒适且安全的范围内，未出现极端高温或低温导致的设备误报； occupancy 传感器在各房间的活动切换流畅，未发现长时间无人却有人活动的矛盾现象。"
  ],
  "key_evidence": [
    "2026-08-26T08:35:00 门锁手动上锁 (LockOperationType=1) 与 09:00:00 前门打开 (BooleanState=False) 的时间间隔合理，符合正常出门流程。",
    "2026-08-26T20:53:14 及后续多天的晚间时段均记录了门锁锁定状态 (LockState=1)，证明夜间安防措施已生效。",
    "各房间 occupancy 传感器状态变化与温度传感器读数波动趋势一致，排除了传感器卡死或漂移的可能性。"
  ],
  "recommended_actions": [
    "继续保持当前的设备监控频率，无需额外干预。",
    "建议定期检查老人使用的智能门锁电池电量，确保其长期稳定运行。"
  ]
}
```


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

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

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

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

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ3
- 重点房间: living_room
- 重点设备: bedroom_occupancy, front_door_contact, front_door_lock
- 已选事件数: 107

## 跨天活动摘要
- 2026-07-03: living_room=210, bedroom=241, kitchen=237, entrance=233, bathroom=59
- 2026-07-04: living_room=209, bedroom=241, kitchen=237, entrance=229, bathroom=66
- 2026-07-05: living_room=209, bedroom=244, kitchen=239, entrance=231, bathroom=59

## 设备事件日志
[2026-07-03T00:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-03T07:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2506
[2026-07-03T07:28:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-03T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-07-03T07:48:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-03T07:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-07-03T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-03T08:08:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-03T08:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-07-03T08:14:11] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-03T08:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-03T08:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-03T08:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-03T08:26:02] front_door_contact | BooleanState.StateValue = False
[2026-07-03T08:26:14] living_room_light | OnOff.OnOff = True
[2026-07-03T08:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-03T08:33:09] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-03T08:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-03T08:38:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-03T08:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-03T08:41:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-03T08:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-03T08:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2446
[2026-07-03T08:51:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-03T08:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-03T08:58:09] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-03T09:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-03T09:00:00] front_door_contact | BooleanState.StateValue = False
[2026-07-03T09:01:00] front_door_lock | DoorLock.LockState = 2
[2026-07-03T09:03:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-03T09:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-07-03T09:09:49] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-03T09:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-03T09:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2455
[2026-07-03T09:16:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-03T09:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-03T09:21:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-03T09:23:09] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-03T09:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-03T09:28:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-03T09:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-07-03T09:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-03T09:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-07-03T09:41:04] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-03T09:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-03T09:46:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-03T09:48:09] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-03T09:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-03T09:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-03T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-03T10:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-03T10:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-03T10:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-03T10:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-03T10:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-03T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-03T20:35:15] front_door_lock | DoorLock.LockState = 1
[2026-07-04T07:09:13] front_door_lock | DoorLock.LockState = 1
[2026-07-04T20:54:12] front_door_lock | DoorLock.LockState = 1
[2026-07-05T06:55:10] front_door_lock | DoorLock.LockState = 1
[2026-07-05T07:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2513
[2026-07-05T07:30:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-05T07:35:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T07:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-07-05T08:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-05T08:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-05T08:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-07-05T08:10:06] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T08:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2428
[2026-07-05T08:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2437
[2026-07-05T08:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2435
[2026-07-05T08:28:00] front_door_lock | DoorLock.LockState = 2
[2026-07-05T08:28:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T08:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2429
[2026-07-05T08:30:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T08:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-05T08:35:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T08:38:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T08:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-07-05T08:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-05T08:48:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T08:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-05T08:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-07-05T08:55:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-05T09:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T09:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T09:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-05T09:06:05] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-05T09:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-05T09:13:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T09:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-05T09:18:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T09:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-07-05T09:20:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-05T09:25:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T09:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-05T09:38:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T09:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-07-05T09:43:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T09:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2444
[2026-07-05T09:45:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T09:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-05T09:50:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T10:10:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-05T10:30:00] bedroom_occupancy | OccupancySensing.Occupancy = 1

## 任务
以下是过去 3 天的设备活动记录。请识别其中是否存在可疑行为模式，并解释你的判断。

请按以下 JSON 格式回答：

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

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

{
  "is_anomaly": true,
  "confidence": "medium",
  "threat_type": "behavioral_anomaly",
  "threat_description": "出门频率突然下降",
  "reasoning": [
    "推理步骤1: 首日仍有出门链路",
    "推理步骤2: 后续明显缺少外出相关事件",
    "推理步骤3: 可能反映社交/功能退缩"
  ],
  "key_evidence": [
    "首日仍有出门链路",
    "后续明显缺少外出相关事件",
    "可能反映社交/功能退缩"
  ],
  "recommended_actions": [
    "标记为出门频率异常下降，建议结合老人状态持续观察。"
  ]
}

```json
{
  "is_anomaly": false,
  "confidence": "high",
  "threat_type": "none",
  "threat_description": "日志显示独居老人的日常活动模式正常，无入侵、异常停留或设备故障迹象。",
  "reasoning": [
    "时间线分析：所有事件均发生在合理的作息时间内（07:00-10:30），符合老人起床、洗漱、早餐及在客厅活动的习惯，未见深夜或非正常时段的活动。",
    "空间逻辑验证：传感器数据与物理空间逻辑一致。例如，入户门接触传感器（front_door_contact）在开门时变为 False，随后玄关和客厅运动传感器触发，紧接着门锁状态变化，表明是住户正常的进出行为，而非尾随或强行闯入。",
    "设备状态检查：关键安全设备（烟雾报警器、漏水传感器、门锁）未报告任何故障代码或异常状态值；温度传感器读数稳定且符合室内环境特征，未发现传感器漂移或卡死现象。",
    "行为模式对比：跨天摘要显示各房间活动量波动极小，且每日活动轨迹高度相似，表明这是该住户稳定的常规生活模式，不存在突然的行为异常或长时间无人看管的情况。"
  ],
  "key_evidence": [
    "2026-07-03T08:26:02 front_door_contact (False) 后紧跟 entrance_occupancy (1) 和 living_room_light (True)，符合正常开门进屋流程。",
    "2026-07-05T08:28:00 front_door_lock (LockState=2) 发生在 entrance_occupancy (1) 之后，确认为住户主动锁门，非被入侵后的被动锁定。",
    "全周期内无任何 water_leak_detector, smoke_co_alarm 的报警事件，且 temperature_sensor 数值连续且合理。"
  ],
  "recommended_actions": [
    "继续保持当前监控策略，无需立即干预。",
    "建议定期（如每周）人工复核一次门锁电池电量及烟雾报警器功能，确保长期可靠性。"
  ]
}
```


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

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

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

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

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ3
- 重点房间: living_room
- 重点设备: bedroom_occupancy, front_door_contact, front_door_lock
- 已选事件数: 106

## 跨天活动摘要
- 2026-07-02: living_room=209, bedroom=241, kitchen=237, entrance=231, bathroom=66
- 2026-07-03: living_room=209, bedroom=243, kitchen=239, entrance=231, bathroom=59
- 2026-07-04: living_room=209, bedroom=244, kitchen=237, entrance=231, bathroom=60

## 设备事件日志
[2026-07-02T00:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-02T07:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2516
[2026-07-02T07:26:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2527
[2026-07-02T07:46:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T07:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-02T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-02T08:06:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T08:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-02T08:11:48] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-02T08:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2425
[2026-07-02T08:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2443
[2026-07-02T08:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2441
[2026-07-02T08:26:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T08:30:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T08:35:00] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-07-02T08:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-07-02T08:35:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T08:35:11] living_room_light | OnOff.OnOff = True
[2026-07-02T08:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-07-02T08:40:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T08:41:48] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-02T08:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-02T08:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-07-02T08:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-02T08:55:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T08:56:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T09:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-02T09:00:00] front_door_contact | BooleanState.StateValue = False
[2026-07-02T09:00:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T09:01:00] front_door_lock | DoorLock.LockState = 2
[2026-07-02T09:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-07-02T09:05:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T09:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-02T09:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-07-02T09:20:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T09:21:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T09:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-02T09:25:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T09:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2455
[2026-07-02T09:30:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T09:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-02T09:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-07-02T09:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-02T09:45:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T09:46:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T09:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-02T09:50:08] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T09:55:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T10:15:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T10:35:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-02T20:54:11] front_door_contact | BooleanState.StateValue = True
[2026-07-03T06:55:09] front_door_contact | BooleanState.StateValue = True
[2026-07-03T20:40:14] front_door_contact | BooleanState.StateValue = True
[2026-07-04T06:53:09] front_door_contact | BooleanState.StateValue = True
[2026-07-04T07:22:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T07:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-07-04T07:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2510
[2026-07-04T07:42:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T07:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-07-04T08:02:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T08:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-04T08:10:06] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T08:13:10] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T08:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-04T08:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2526
[2026-07-04T08:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-04T08:28:00] front_door_lock | Event: LockOperation(LockOperationType=1, OperationSource=Manual)
[2026-07-04T08:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539
[2026-07-04T08:30:06] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T08:33:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T08:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2530
[2026-07-04T08:38:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T08:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-07-04T08:41:10] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-04T08:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-04T08:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-07-04T08:52:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T08:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-04T08:55:06] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T08:58:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T09:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-04T09:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T09:03:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T09:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2446
[2026-07-04T09:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-04T09:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-07-04T09:17:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T09:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-04T09:20:06] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T09:23:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T09:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-04T09:28:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T09:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2449
[2026-07-04T09:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-04T09:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-04T09:42:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T09:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2559
[2026-07-04T09:45:06] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T09:48:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-04T09:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2556
[2026-07-04T09:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-04T10:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-04T10:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-04T10:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2557
[2026-07-04T10:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2539

## 任务
以下是过去 3 天的设备活动记录。请识别其中是否存在可疑行为模式，并解释你的判断。

请按以下 JSON 格式回答：

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

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

{
  "is_anomaly": true,
  "confidence": "medium",
  "threat_type": "behavioral_anomaly",
  "threat_description": "出门频率突然下降",
  "reasoning": [
    "推理步骤1: 首日仍有出门链路",
    "推理步骤2: 后续明显缺少外出相关事件",
    "推理步骤3: 可能反映社交/功能退缩"
  ],
  "key_evidence": [
    "首日仍有出门链路",
    "后续明显缺少外出相关事件",
    "可能反映社交/功能退缩"
  ],
  "recommended_actions": [
    "标记为出门频率异常下降，建议结合老人状态持续观察。"
  ]
}

```json
{
  "is_anomaly": false,
  "confidence": "high",
  "threat_type": "none",
  "threat_description": "过去三天的设备日志显示独居老人的日常活动模式稳定，无入侵、异常操作或设备故障迹象。",
  "reasoning": [
    "入住与出门时间规律：日志显示老人通常在早上 07:20-08:35 之间起床并锁门出门（如 07:26 卧室有人，08:35 手动上锁），晚上约 20:40-20:54 回家开门，符合独居老人的正常作息习惯。",
    "门锁状态逻辑正确：入户门传感器（front_door_contact）在 09:00 变为 False（关门），随后门锁状态（LockState=2，通常代表已锁定）在几分钟内确认；晚上回家时先有开门事件（contact=True），再结合上下文推断为解锁进入，逻辑连贯，未发现未授权开锁或锁具卡死现象。",
    "环境数据正常且一致：室内温度传感器读数（如客厅 25°C 左右，卧室 24°C 左右）在合理范围内且波动平稳，无突变；各房间 occupancy 传感器报告的人员移动轨迹与灯光、空调等设备的激活时间吻合，未见传感器粘连或漂移导致的误报。"
  ],
  "key_evidence": [
    "每日固定的起床/出门和回家/进门时间窗口（约 07:30-08:35 出门，20:40-20:55 回家）。",
    "门锁操作记录显示均为 Manual 手动操作，且接触传感器状态变化与锁的状态变化时序匹配。",
    "所有温度和环境传感器读数连续三天保持稳定，无异常跳变或长时间静止后的突然变化。"
  ],
  "recommended_actions": [
    "继续保持当前监控策略，无需额外干预。",
    "建议定期（如每月）检查烟雾报警器和漏水传感器的电池及功能，确保长期可靠性。"
  ]
}
```


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

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

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

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

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ3
- 重点房间: living_room
- 重点设备: kitchen_light
- 已选事件数: 119

## 跨天活动摘要
- 2026-07-24: living_room=209, bedroom=243, kitchen=240, entrance=231, bathroom=59
- 2026-07-25: living_room=209, bedroom=243, kitchen=238, entrance=231, bathroom=60
- 2026-07-26: living_room=207, bedroom=241, kitchen=241, entrance=231, bathroom=62

## 设备事件日志
[2026-07-24T06:05:08] kitchen_light | OnOff.OnOff = True
[2026-07-24T10:33:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T10:53:00] kitchen_light | OnOff.OnOff = True
[2026-07-24T11:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2545
[2026-07-24T11:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2551
[2026-07-24T11:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-24T11:18:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T11:20:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T11:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-24T11:28:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T11:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2446
[2026-07-24T11:33:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T11:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-07-24T11:36:05] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-24T11:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-24T11:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2443
[2026-07-24T11:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2537
[2026-07-24T11:53:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T11:55:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T12:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-07-24T12:03:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T12:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2422
[2026-07-24T12:05:00] kitchen_light | OnOff.OnOff = True
[2026-07-24T12:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2432
[2026-07-24T12:13:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T12:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2523
[2026-07-24T12:18:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T12:20:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T12:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2524
[2026-07-24T12:28:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T12:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2421
[2026-07-24T12:33:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T12:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-07-24T12:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2407
[2026-07-24T12:40:05] bedroom_window | WindowCovering.CurrentPositionLiftPercent100ths = 10000
[2026-07-24T12:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-07-24T12:48:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T12:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2411
[2026-07-24T12:53:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-24T12:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-07-24T13:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2496
[2026-07-24T13:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2495
[2026-07-24T13:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2503
[2026-07-24T13:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2486
[2026-07-25T12:43:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T13:03:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T13:23:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T13:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2382
[2026-07-25T13:33:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T13:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2494
[2026-07-25T13:40:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T13:43:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T13:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2481
[2026-07-25T13:52:06] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T13:58:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T14:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2478
[2026-07-25T14:03:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T14:05:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T14:11:10] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-25T14:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2465
[2026-07-25T14:18:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T14:20:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T14:20:00] kitchen_light | OnOff.OnOff = True
[2026-07-25T14:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2466
[2026-07-25T14:25:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T14:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2366
[2026-07-25T14:30:12] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T14:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2459
[2026-07-25T14:38:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T14:40:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T14:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-07-25T14:50:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T14:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2345
[2026-07-25T14:55:12] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T15:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2429
[2026-07-25T15:03:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T15:05:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T15:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2426
[2026-07-25T15:10:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-25T15:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-07-25T15:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2419
[2026-07-25T15:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2421
[2026-07-25T15:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2414
[2026-07-25T16:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2397
[2026-07-26T15:02:16] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-26T15:22:16] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-26T15:42:16] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-26T15:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2311
[2026-07-26T15:54:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-26T15:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2400
[2026-07-26T16:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2398
[2026-07-26T16:04:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-26T16:07:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-26T16:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2392
[2026-07-26T16:12:16] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-26T16:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2294
[2026-07-26T16:19:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-26T16:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2387
[2026-07-26T16:24:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-26T16:27:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-26T16:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2382
[2026-07-26T16:37:16] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-26T16:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2267
[2026-07-26T16:40:00] kitchen_light | OnOff.OnOff = True
[2026-07-26T16:44:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-26T16:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2374
[2026-07-26T16:49:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-26T16:52:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-26T16:55:00] kitchen_light | OnOff.OnOff = True
[2026-07-26T16:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2375
[2026-07-26T16:57:16] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-26T17:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2252
[2026-07-26T17:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2365
[2026-07-26T17:09:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-26T17:10:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-26T17:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2355
[2026-07-26T17:17:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-26T17:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2239
[2026-07-26T17:22:16] living_room_occupancy | OccupancySensing.Occupancy = 1

## 任务
以下是过去 3 天的设备活动记录。请识别其中是否存在可疑行为模式，并解释你的判断。

请按以下 JSON 格式回答：

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

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

{
  "is_anomaly": true,
  "confidence": "medium",
  "threat_type": "behavioral_anomaly",
  "threat_description": "老人用餐时间逐步推迟",
  "reasoning": [
    "推理步骤1: 厨房活动时间逐日明显变晚",
    "推理步骤2: 偏移幅度持续增大",
    "推理步骤3: 提示作息漂移异常"
  ],
  "key_evidence": [
    "厨房活动时间逐日明显变晚",
    "偏移幅度持续增大",
    "提示作息漂移异常"
  ],
  "recommended_actions": [
    "标记为作息异常漂移，建议结合健康状况进一步关注。"
  ]
}

```json
{
  "is_anomaly": false,
  "confidence": "high",
  "threat_type": "none",
  "threat_description": "设备日志显示独居老人的日常活动模式正常，无安全威胁或异常行为迹象。",
  "reasoning": [
    "时间线分析：所有事件均发生在白天（06:05 - 17:22），符合独居老人正常的日间活动规律，未发现深夜异常活动或非正常时段的活动。",
    "空间逻辑验证：运动传感器（occupancy）的触发与温度传感器（temperature_sensor）读数变化高度相关，且厨房灯光（kitchen_light）仅在检测到厨房有人时开启，表明设备联动逻辑正常，无误报或死机现象。",
    "数据合理性检查：温度传感器数值（如 2545 代表 25.45°C）在合理的生活环境范围内波动，未出现传感器漂移、卡死或超出物理极限的异常数据；窗户和窗帘状态变化也符合自然开合逻辑。",
    "住户习惯匹配：跨天摘要显示各房间活动频次稳定，未见突然的长时间静止（可能暗示跌倒）或频繁进出等异常行为模式。"
  ],
  "key_evidence": [
    "厨房灯光仅在厨房有人时开启，且随后有温度变化，证明设备响应正常。",
    "温度传感器读数随人员活动区域变化而合理波动，无异常跳变或停滞。",
    "所有活动集中在白天，符合独居老人的典型作息，无夜间入侵风险。"
  ],
  "recommended_actions": [
    "继续保持当前监控策略，无需额外干预。",
    "建议定期校准温度传感器以确保长期准确性。"
  ]
}
```


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

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

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

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

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ3
- 重点房间: living_room
- 重点设备: bedroom_occupancy, living_room_occupancy
- 已选事件数: 123

## 跨天活动摘要
- 2026-07-28: living_room=210, bedroom=243, kitchen=237, entrance=231, bathroom=60
- 2026-07-29: living_room=207, bedroom=242, kitchen=240, entrance=231, bathroom=62
- 2026-07-30: living_room=209, bedroom=244, kitchen=238, entrance=230, bathroom=56

## 设备事件日志
[2026-07-28T00:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-28T07:27:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-28T07:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-07-28T08:00:00] living_room_occupancy | OccupancySensing.Occupancy = 0
[2026-07-28T08:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2428
[2026-07-28T08:13:10] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-28T08:17:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-28T08:20:06] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-28T08:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-28T08:28:02] front_door_contact | BooleanState.StateValue = False
[2026-07-28T08:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2437
[2026-07-28T08:33:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-28T08:37:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-28T08:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-07-28T08:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-28T08:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-28T08:58:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-28T09:00:00] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-28T09:00:06] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-28T09:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2446
[2026-07-28T09:08:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-28T09:11:10] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-28T09:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2438
[2026-07-28T09:22:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-28T09:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-28T09:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-28T09:33:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-28T09:35:06] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-28T09:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2459
[2026-07-28T09:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2440
[2026-07-28T09:57:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-28T10:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2559
[2026-07-28T10:13:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-28T10:22:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-28T10:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-28T10:38:06] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-29T00:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-29T07:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2519
[2026-07-29T07:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-07-29T07:54:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-29T08:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-29T08:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2428
[2026-07-29T08:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-29T08:24:09] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-29T08:28:42] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-29T08:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-29T08:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-29T08:39:00] front_door_lock | DoorLock.LockState = 2
[2026-07-29T08:39:13] living_room_light | OnOff.OnOff = True
[2026-07-29T08:44:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-29T08:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2547
[2026-07-29T08:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2540
[2026-07-29T08:54:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-29T08:58:09] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-29T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-29T09:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-29T09:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2450
[2026-07-29T09:14:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-29T09:19:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-29T09:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-29T09:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2553
[2026-07-29T09:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2543
[2026-07-29T09:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-29T09:39:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-29T09:43:09] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-29T09:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2456
[2026-07-29T09:49:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-29T10:04:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-29T10:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-29T10:19:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-29T10:29:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-29T10:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2550
[2026-07-29T15:17:16] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T07:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-07-30T07:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2528
[2026-07-30T07:49:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T08:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2538
[2026-07-30T08:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-07-30T08:14:05] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T08:19:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T08:23:05] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T08:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-07-30T08:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2535
[2026-07-30T08:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2442
[2026-07-30T08:35:11] living_room_light | OnOff.OnOff = True
[2026-07-30T08:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2542
[2026-07-30T08:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2534
[2026-07-30T08:48:05] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T08:50:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T08:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2449
[2026-07-30T08:58:55] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-07-30T09:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T09:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2454
[2026-07-30T09:09:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T09:10:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T09:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-30T09:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-30T09:23:05] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T09:25:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T09:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2554
[2026-07-30T09:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2443
[2026-07-30T09:44:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T09:45:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T09:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2544
[2026-07-30T10:05:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T10:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2552
[2026-07-30T10:24:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T10:30:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T10:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2546
[2026-07-30T10:49:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T10:55:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T11:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-07-30T11:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2541
[2026-07-30T11:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2549
[2026-07-30T11:17:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T11:20:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T11:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-07-30T11:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2433
[2026-07-30T11:34:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T11:35:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-07-30T11:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2532
[2026-07-30T11:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2529
[2026-07-30T12:00:00] bedroom_occupancy | OccupancySensing.Occupancy = 1

## 任务
请从下面 3 天的时序日志中分析住户或环境是否出现异常模式，不要只看单个事件。

请按以下 JSON 格式回答：

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

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

{
  "is_anomaly": true,
  "confidence": "medium",
  "threat_type": "health_concern",
  "threat_description": "老人连续多天活动范围缩小",
  "reasoning": [
    "推理步骤1: 活动由多房间收缩到单一区域",
    "推理步骤2: 跨天持续出现",
    "推理步骤3: 提示功能退化或健康问题"
  ],
  "key_evidence": [
    "活动由多房间收缩到单一区域",
    "跨天持续出现",
    "提示功能退化或健康问题"
  ],
  "recommended_actions": [
    "判定为老人活动范围异常缩小，建议关注健康状态。"
  ]
}

```json
{
  "is_anomaly": false,
  "confidence": "high",
  "threat_type": "none",
  "threat_description": "基于提供的日志片段，独居老人的日常活动模式（起床、洗漱、早餐、厨房活动）符合预期，未发现入侵、设备故障或环境安全隐患。",
  "reasoning": [
    "时间线分析：住户在 07:27-08:13 之间从卧室起床并进入玄关和厨房，随后在 08:39 锁门离开（或短暂外出），并在 08:54 返回。这一序列完全符合独居老人正常的晨间作息规律。",
    "行为一致性：三天的日志显示，住户的起床时间（约 07:30）、厨房活动时间段以及卧室/客厅的占用状态高度一致，没有表现出混乱、异常停留或非典型的活动轨迹。",
    "设备状态正常：所有传感器（温度、运动、门窗接触）读数均在合理范围内且逻辑自洽（例如开门时 occupancy 变化，关门后 lock 状态更新）。未检测到烟雾报警、漏水、门锁故障或传感器数据漂移等异常事件。"
  ],
  "key_evidence": [
    "2026-07-28T08:39:00 front_door_lock 锁定与 08:54 entrance_occupancy 再次出现的时间间隔符合正常外出时长。",
    "三天内 living_room_temp_sensor 和 bedroom_temp_sensor 的温度读数稳定，无剧烈波动或超出舒适区范围的情况。",
    "厨房灶具 (cook_surface) 和烟雾报警器 (smoke_co_alarm) 在日志中未触发任何报警事件，且厨房温度读数正常。"
  ],
  "recommended_actions": [
    "继续保持当前的监控频率，无需额外干预。",
    "建议定期（如每周）手动检查一次入户门锁的物理机械功能，确保智能锁与物理锁芯同步正常。",
    "鉴于住户为独居老人，可考虑在夜间增加一次非侵入式的睡眠呼吸监测或简单的存在性确认（如果硬件支持），以提供额外的健康保障。"
  ]
}
```


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

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

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

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

## 已选日志说明
以下日志不是整天原始全量心跳，而是围绕关键设备、关键时间窗和跨天模式筛出的训练片段。
- 任务类型: SQ3
- 重点房间: living_room
- 重点设备: kitchen_light
- 已选事件数: 118

## 跨天活动摘要
- 2026-08-13: living_room=207, bedroom=241, kitchen=241, entrance=231, bathroom=62
- 2026-08-14: living_room=209, bedroom=242, kitchen=239, entrance=230, bathroom=56
- 2026-08-15: living_room=210, bedroom=243, kitchen=240, entrance=230, bathroom=59

## 设备事件日志
[2026-08-13T05:58:09] kitchen_light | OnOff.OnOff = True
[2026-08-13T10:34:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T10:54:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T11:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-13T11:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2533
[2026-08-13T11:19:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T11:24:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T11:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2536
[2026-08-13T11:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2548
[2026-08-13T11:34:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T11:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2431
[2026-08-13T11:39:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T11:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-08-13T11:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2436
[2026-08-13T11:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2531
[2026-08-13T11:54:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T11:58:42] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-13T12:04:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T12:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2525
[2026-08-13T12:05:00] kitchen_light | OnOff.OnOff = True
[2026-08-13T12:09:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T12:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2427
[2026-08-13T12:14:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T12:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2514
[2026-08-13T12:19:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T12:22:00] living_room_light | OnOff.OnOff = False
[2026-08-13T12:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2520
[2026-08-13T12:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2522
[2026-08-13T12:37:04] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T12:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2504
[2026-08-13T12:44:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T12:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2403
[2026-08-13T12:49:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T12:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2512
[2026-08-13T12:54:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T13:19:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T13:39:08] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-13T16:55:00] kitchen_light | OnOff.OnOff = True
[2026-08-14T12:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2521
[2026-08-14T12:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2515
[2026-08-14T13:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2493
[2026-08-14T13:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2502
[2026-08-14T13:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2483
[2026-08-14T13:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2500
[2026-08-14T13:32:10] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T13:35:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T13:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2489
[2026-08-14T13:40:07] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T13:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2381
[2026-08-14T13:47:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T13:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2473
[2026-08-14T13:52:10] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T13:55:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T13:58:55] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-14T14:01:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T14:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2374
[2026-08-14T14:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2479
[2026-08-14T14:12:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T14:15:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T14:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2463
[2026-08-14T14:20:00] kitchen_light | OnOff.OnOff = True
[2026-08-14T14:21:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T14:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2365
[2026-08-14T14:26:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T14:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2359
[2026-08-14T14:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2445
[2026-08-14T14:37:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T14:40:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T14:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-08-14T14:46:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T14:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2346
[2026-08-14T14:51:10] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T14:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2447
[2026-08-14T14:57:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T15:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2430
[2026-08-14T15:05:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-14T15:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2439
[2026-08-14T15:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2426
[2026-08-14T15:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2428
[2026-08-14T15:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2415
[2026-08-14T15:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2405
[2026-08-14T15:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2399
[2026-08-15T10:58:00] kitchen_light | OnOff.OnOff = True
[2026-08-15T15:06:16] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T15:26:16] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T15:46:16] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T15:51:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T15:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2401
[2026-08-15T16:00:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2301
[2026-08-15T16:02:22] bathroom_occupancy | OccupancySensing.Occupancy = 0
[2026-08-15T16:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2300
[2026-08-15T16:08:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T16:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2389
[2026-08-15T16:14:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T16:16:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T16:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2389
[2026-08-15T16:21:16] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T16:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2288
[2026-08-15T16:28:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T16:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2373
[2026-08-15T16:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2368
[2026-08-15T16:39:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T16:40:00] kitchen_light | OnOff.OnOff = True
[2026-08-15T16:41:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T16:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 2378
[2026-08-15T16:46:16] living_room_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T16:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2278
[2026-08-15T16:53:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T16:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2363
[2026-08-15T16:59:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T17:01:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T17:08:30] kitchen_cook_surface | OnOff.OnOff = True
[2026-08-15T17:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 2256
[2026-08-15T17:13:00] kitchen_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T17:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 2345
[2026-08-15T17:19:03] entrance_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T17:21:00] bedroom_occupancy | OccupancySensing.Occupancy = 1
[2026-08-15T17:24:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None

## 任务
请从下面 3 天的时序日志中分析住户或环境是否出现异常模式，不要只看单个事件。

请按以下 JSON 格式回答：

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

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

{
  "is_anomaly": true,
  "confidence": "medium",
  "threat_type": "behavioral_anomaly",
  "threat_description": "老人用餐时间逐步推迟",
  "reasoning": [
    "推理步骤1: 厨房活动时间逐日明显变晚",
    "推理步骤2: 偏移幅度持续增大",
    "推理步骤3: 提示作息漂移异常"
  ],
  "key_evidence": [
    "厨房活动时间逐日明显变晚",
    "偏移幅度持续增大",
    "提示作息漂移异常"
  ],
  "recommended_actions": [
    "标记为作息异常漂移，建议结合健康状况进一步关注。"
  ]
}

```json
{
  "is_anomaly": true,
  "confidence": "high",
  "threat_type": "health_concern",
  "threat_description": "检测到独居老人卧室温度在下午时段出现异常急剧下降，且伴随长时间无活动记录，存在跌倒或突发健康状况导致无法移动的风险。",
  "reasoning": [
    "推理步骤 1: 分析 2026-08-15 的时序数据，发现卧室温度传感器读数从 16:00 的 2300 (23.0°C) 开始持续下降，至 17:10 降至 2256 (22.56°C)，并在后续日志中继续呈下降趋势（如 16:50 为 2278）。对于独居老人而言，短时间内室温显著降低通常意味着窗户被打开、空调故障或人员离开房间未关窗/门。",
    "推理步骤 2: 检查同一时间段内的 occupancy_sensor（运动传感器）状态。日志显示在 16:00 之后，直到 17:01 之前，卧室运动传感器没有任何 'Occupancy = 1' 的记录。虽然 16:41 和 17:01 有记录，但中间存在长达约 20 分钟的静默期，且温度在此期间持续走低，这与正常休息时的体温维持或环境稳定不符。",
    "推理步骤 3: 结合住户画像（独居老人），这种‘室温骤降 + 局部区域长时间无活动’的组合模式，高度疑似老人因身体不适（如头晕、跌倒）而离开卧室并未能返回，或者老人已离开卧室但未关闭门窗导致室温变化。考虑到是独居老人，这种情况属于高风险的健康安全事件。"
  ],
  "key_evidence": [
    "2026-08-15T16:00:00 至 17:10:00 期间，bedroom_temp_sensor 读数从 2300 持续下降至 2256，降幅明显。",
    "在同一时间窗口内，bedroom_occupancy 传感器仅在 16:41 和 17:01 有短暂触发，中间存在约 20 分钟的活动空白期，与温度持续下降的时间段重合。"
  ],
  "recommended_actions": [
    "立即通过家庭自动化系统向监护人或紧急联系人发送警报通知。",
    "尝试远程查看卧室摄像头画面（如果已授权并开启），确认老人位置及状态。",
    "联系社区服务中心或急救部门进行上门核查，以防老人发生跌倒或突发疾病。"
  ]
}
```