运动传感器高频率周期性触发 该房间无其他活动迹象（灯关、无门窗事件） 周期性极其规律（不像人类活动的随机性）

strong - The prosecution explicitly states 'no_case' and provides indirect evidence showing normal operation of the specific devices in question (second bedroom sensors), noting that faults are isolated to a different device (kitchen).

strong - The defense agrees with the prosecution's assessment, providing detailed log analysis confirming the second bedroom sensors are functioning correctly and contrasting them with the faulty kitchen sensor.

The Prosecutor's explicit declaration of 'no_case' triggers Decision Rule 4, which mandates a 'normal' ruling regardless of other factors. Additionally, both sides agree there is no anomaly in the second bedroom.

No security or operational anomalies were detected in the second bedroom sensors; reported issues are isolated to unrelated devices.

Continue routine monitoring of the second bedroom sensors.

Investigate the kitchen temperature sensor separately as it exhibits known faults.

Question: 请检查以下设备状态历史，判断 second_bedroom 区域的传感器 是否工作正常。如果异常，请说明可能的故障类型。

These logs follow Matter-style smart-home event semantics.

OccupancySensing.Occupancy uses 0=unoccupied and 1=occupied.

DoorLock.LockState is an enumerated state; formatted logs may show both the label and the raw code.

[2026-06-08T09:00:00] living_room_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-08T09:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-08T09:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-08T09:04:30] entrance_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T09:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 25.38 C (raw=2538)

[2026-06-08T09:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 25.41 C (raw=2541)

[2026-06-08T09:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 25.39 C (raw=2539)

[2026-06-08T09:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 25.47 C (raw=2547)

[2026-06-08T09:09:30] entrance_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T09:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 25.50 C (raw=2550)

[2026-06-08T09:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 25.37 C (raw=2537)

[2026-06-08T18:16:28] living_room_ac | Thermostat.SystemMode = 3

[2026-06-08T18:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.12 C (raw=2312)

[2026-06-08T18:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.11 C (raw=2311)

[2026-06-08T18:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.05 C (raw=2305)

[2026-06-08T18:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 26.42 C (raw=2642)

[2026-06-08T18:21:06] entrance_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T18:21:19] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T18:23:26] bathroom_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-08T18:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.17 C (raw=2317)

[2026-06-08T18:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.21 C (raw=2321)

[2026-06-08T18:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.08 C (raw=2308)

[2026-06-08T18:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 26.98 C (raw=2698)

[2026-06-08T19:16:06] entrance_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T19:16:19] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T19:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.86 C (raw=2286)

[2026-06-08T19:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.96 C (raw=2296)

[2026-06-08T19:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.76 C (raw=2276)

[2026-06-08T19:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.70 C (raw=2370)

[2026-06-08T19:21:06] entrance_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T19:21:19] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T19:23:26] bathroom_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-08T19:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.74 C (raw=2274)

[2026-06-08T19:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.82 C (raw=2282)

[2026-06-08T19:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.75 C (raw=2275)

[2026-06-08T20:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.65 C (raw=2265)

[2026-06-08T20:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.66 C (raw=2266)

[2026-06-08T20:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.64 C (raw=2264)

[2026-06-08T20:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.61 C (raw=2261)

[2026-06-08T20:16:06] entrance_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T20:19:09] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T20:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.71 C (raw=2271)

[2026-06-08T20:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.70 C (raw=2270)

[2026-06-08T20:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.63 C (raw=2263)

[2026-06-08T20:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.69 C (raw=2269)

[2026-06-08T20:21:06] entrance_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T20:23:26] bathroom_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-08T21:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.54 C (raw=2254)

[2026-06-08T21:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.62 C (raw=2262)

[2026-06-08T21:16:06] entrance_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T21:19:09] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T21:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.51 C (raw=2251)

[2026-06-08T21:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.54 C (raw=2254)

[2026-06-08T21:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.61 C (raw=2261)

[2026-06-08T21:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.50 C (raw=2250)

[2026-06-08T21:21:06] entrance_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T21:23:26] bathroom_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-08T21:24:09] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T21:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.47 C (raw=2247)

[2026-06-08T22:11:06] entrance_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T22:14:09] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T22:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.45 C (raw=2245)

[2026-06-08T22:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.55 C (raw=2255)

[2026-06-08T22:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.57 C (raw=2257)

[2026-06-08T22:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.54 C (raw=2254)

[2026-06-08T22:16:06] entrance_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T22:19:09] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T22:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.49 C (raw=2249)

[2026-06-08T22:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.59 C (raw=2259)

[2026-06-08T22:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.48 C (raw=2248)

[2026-06-08T22:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.47 C (raw=2247)

2026-06-08T00:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-08T00:00:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T00:00:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T00:00:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T00:00:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-08T00:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-08T00:30:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T00:30:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T00:30:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T00:30:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-08T01:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-08T01:00:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T01:00:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T01:00:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T01:00:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-08T01:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-08T01:30:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T01:30:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T01:30:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T01:30:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-08T02:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-08T02:00:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T02:00:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T02:00:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T02:00:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-08T02:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-08T02:30:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T02:30:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T02:30:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T02:30:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-08T03:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-08T03:00:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T03:00:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T03:00:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T03:00:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-08T03:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-08T03:30:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T03:30:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T03:30:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T03:30:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-08T04:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-08T04:00:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T04:00:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T04:00:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T04:00:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-08T04:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-08T04:30:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T04:30:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T04:30:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T04:30:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-08T05:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-08T05:00:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T05:00:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T05:00:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T05:00:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-08T05:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-08T05:30:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T05:30:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T05:30:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T05:30:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-08T06:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-08T06:00:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T06:00:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T06:00:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T06:00:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-08T06:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-08T06:30:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T06:30:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T06:30:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T06:30:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-08T06:50:09 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=1

2026-06-08T06:50:09 | bathroom/bathroom_light | OnOff.OnOff=True

2026-06-08T06:52:00 | bathroom/bathroom_light | OnOff.OnOff=False

2026-06-08T06:52:13 | kitchen/kitchen_light | OnOff.OnOff=True

2026-06-08T06:53:26 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T07:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-08T07:00:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T07:00:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T07:00:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-08T07:23:26 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

entrance/entrance_occupancy: occupancy_updates=216, occupied_events=201, first=2026-06-08T00:00:00, last=2026-06-08T23:51:06

living_room/living_room_occupancy: occupancy_updates=106, occupied_events=69, first=2026-06-08T00:00:00, last=2026-06-08T23:54:09

second_bedroom/second_bedroom_occupancy: occupancy_updates=53, occupied_events=3, first=2026-06-08T00:00:00, last=2026-06-08T23:30:00

bathroom/bathroom_occupancy: occupancy_updates=50, occupied_events=1, first=2026-06-08T00:00:00, last=2026-06-08T23:53:26

master_bedroom/master_bedroom_occupancy: occupancy_updates=48, occupied_events=0, first=2026-06-08T00:00:00, last=2026-06-08T23:30:00

2026-06-08T18:58:00 | kitchen/kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue=None

2026-06-08T19:34:00 | kitchen/kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue=None

Explanation: The second_bedroom temperature sensor (`second_bedroom_temp_sensor`) exhibits normal operational behavior throughout the observed period. It reports consistent, physically plausible temperature values (ranging from ~22.4°C to ~25.6°C) that correlate with trends in other rooms (living_room, master_bedroom). There are no 'None' values, stuck states, or impossible transitions for this specific device. The only explicit fault events in the logs belong to the `kitchen_temp_sensor`, not the second bedroom sensor.

Explanation: The occupancy sensor in the second bedroom (`second_bedroom_occupancy`) is functioning correctly by reporting 'unoccupied' status consistently, which aligns with the low activity count (3 occupied events vs 53 updates) and the absence of any human presence indicators in that room during the majority of the day. No anomalies such as false positives or stuck states were detected.

[2026-06-08T00:00:00] second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

[2026-06-08T07:00:00] second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

No evidence of malfunction was found for the sensors in the second_bedroom area. Both the temperature and occupancy sensors reported valid data points consistent with environmental norms and user absence patterns. While the kitchen temperature sensor did exhibit faults (missing values), these are isolated to a different device and do not implicate the second bedroom hardware.

The second_bedroom temperature sensor exhibits normal operational behavior, reporting consistent, physically plausible values with no 'None' values or stuck states.

I fully agree. The logs for `second_bedroom_temp_sensor` show a complete and coherent set of data points (288 samples) ranging from 22.43°C to 25.59°C. These values are physically realistic for an indoor environment and track logically with the HVAC activity in adjacent rooms (e.g., cooling down in the evening). There is absolutely no evidence of sensor failure, such as missing data or impossible jumps, which distinguishes it clearly from the faulty kitchen sensor.

Temperature Trends: second_bedroom_temp_sensor has 288 samples with a span of 3.16C, indicating active and valid reporting.

The occupancy sensor in the second bedroom is functioning correctly by reporting 'unoccupied' status consistently, aligning with low activity counts.

This is correct. The sensor reported 'unoccupied' (0) for the vast majority of the day, with only 3 occupied events out of 53 updates. This pattern is consistent with a guest room or secondary bedroom that was not in use during the monitoring period. The lack of 'stuck on' or erratic toggling confirms the hardware is stable.

Occupancy Summaries: second_bedroom/second_bedroom_occupancy shows 3 occupied_events vs 53 updates.

Key Events: Continuous 'Occupancy=0' reports from 00:00 through 07:00.

The sensors in the second bedroom are operating normally. The temperature sensor provides continuous, valid environmental data that correlates with general house trends, while the occupancy sensor accurately reflects the room's unoccupied status for most of the day. Any anomalies present in the system (specifically the kitchen temperature sensor) are isolated to other devices and do not affect the integrity of the second bedroom's telemetry.

The kitchen temperature sensor did experience faults (missing values), but this is irrelevant to the second bedroom's health.

## Query
请检查以下设备状态历史，判断 second_bedroom 区域的传感器 是否工作正常。如果异常，请说明可能的故障类型。

## Query Profile
device-health

## Matter Notes
- These logs follow Matter-style smart-home event semantics.
- TemperatureMeasurement.MeasuredValue is represented in centi-degrees Celsius in this benchmark: 2466 means 24.66 C, not 2466 C.
- BooleanState and other protocol booleans should be interpreted using transitions and surrounding events, not naive natural-language assumptions from a single isolated value.
- OccupancySensing.Occupancy uses 0=unoccupied and 1=occupied.
- DoorLock.LockState is an enumerated state; formatted logs may show both the label and the raw code.
- A device-fault conclusion requires direct fault evidence such as stuck values, repeated non-recovery, explicit alarm/fault events, or impossible state transitions. Scaled temperature values alone are not enough.

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

## Structured Signals
{'room_activity': {'living_room': 399, 'master_bedroom': 336, 'second_bedroom': 341, 'kitchen': 298, 'bathroom': 52, 'entrance': 230}, 'attribute_frequency': {'MeasuredValue': 1154, 'Occupancy': 473, 'OnOff': 14, 'StateValue': 5, 'LockState': 4, 'SystemMode': 1, 'OperationalState': 1}, 'lock_state_flips': 4, 'occupancy_events': 473, 'temperature_patterns': [], 'value_format_hints': {'temperature': 'MeasuredValue is shown as Celsius with the raw integer preserved in parentheses.', 'occupancy': '0=unoccupied, 1=occupied', 'lock_state': 'enumerated lock state rendered as label + raw code'}}

## Focus Chunks
[{'chunk_id': 'C07', 'start_ts': '2026-06-08T09:00:00', 'end_ts': '2026-06-08T10:10:00', 'event_count': 80, 'rooms': {'kitchen': 14, 'living_room': 17, 'master_bedroom': 17, 'second_bedroom': 16, 'entrance': 14, 'bathroom': 2}, 'top_devices': ['kitchen_temp_sensor', 'entrance_occupancy', 'living_room_temp_sensor', 'master_bedroom_temp_sensor', 'second_bedroom_temp_sensor', 'living_room_occupancy'], 'alarmish_count': 25, 'preview_lines': ['[2026-06-08T09:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 25.43 C (raw=2543)', '[2026-06-08T09:00:00] living_


温度传感器读数漂移（drift）

温度读数持续单向偏移，不符合正常日间温度曲线 其他传感器或空调自带温度显示不一致（如果可以交叉验证）

strong - The prosecution explicitly states 'no_case' and provides direct evidence showing the living room sensors are functioning normally (valid temperature ranges, correct occupancy transitions).

strong - The defense corroborates the prosecution's findings, explaining that the observed data patterns are consistent with normal environmental fluctuations and human activity.

The Prosecutor's own verdict is 'no_case', which directly triggers Decision Rule 4. Additionally, there is no evidence of anomaly for the specific devices in question (living room sensors), only for unrelated devices (kitchen sensor).

No anomaly detected; living room sensors are operating within normal parameters.

Investigate kitchen sensor null values separately if not already addressed.

Question: 请检查以下设备状态历史，判断 living_room 区域的传感器 是否工作正常。如果异常，请说明可能的故障类型。

These logs follow Matter-style smart-home event semantics.

OccupancySensing.Occupancy uses 0=unoccupied and 1=occupied.

DoorLock.LockState is an enumerated state; formatted logs may show both the label and the raw code.

MeasuredValue is shown as Celsius with the raw integer preserved in parentheses.

enumerated lock state rendered as label + raw code

[2026-06-01T05:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.69 C (raw=2369)

[2026-06-01T05:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 24.74 C (raw=2474)

[2026-06-01T05:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 24.61 C (raw=2461)

[2026-06-01T05:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.78 C (raw=2378)

[2026-06-01T05:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 24.79 C (raw=2479)

[2026-06-01T05:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 24.73 C (raw=2473)

[2026-06-01T05:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.78 C (raw=2378)

[2026-06-01T05:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 24.73 C (raw=2473)

[2026-06-01T16:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.80 C (raw=2280)

[2026-06-01T16:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.81 C (raw=2381)

[2026-06-01T16:30:00] living_room_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-01T16:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.71 C (raw=2371)

[2026-06-01T16:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.87 C (raw=2287)

[2026-06-01T16:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.83 C (raw=2383)

[2026-06-01T16:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.78 C (raw=2378)

[2026-06-01T16:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.80 C (raw=2280)

[2026-06-01T16:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.65 C (raw=2365)

[2026-06-01T16:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.64 C (raw=2364)

[2026-06-01T16:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.73 C (raw=2273)

[2026-06-01T16:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.73 C (raw=2373)

[2026-06-01T18:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 25.08 C (raw=2508)

[2026-06-01T18:10:21] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-01T18:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.09 C (raw=2309)

[2026-06-01T18:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.23 C (raw=2223)

[2026-06-01T18:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 25.84 C (raw=2584)

[2026-06-01T18:15:21] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-01T18:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.19 C (raw=2319)

[2026-06-01T18:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.11 C (raw=2211)

[2026-06-01T18:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 26.48 C (raw=2648)

[2026-06-01T18:20:21] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-01T18:24:52] bathroom_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-01T18:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.16 C (raw=2316)

[2026-06-01T19:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 21.69 C (raw=2169)

[2026-06-01T19:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.83 C (raw=2283)

[2026-06-01T19:40:21] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-01T19:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.71 C (raw=2271)

[2026-06-01T19:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 21.73 C (raw=2173)

[2026-06-01T19:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.76 C (raw=2276)

[2026-06-01T19:45:21] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-01T19:48:00] kitchen_cook_surface | OnOff.OnOff = off (raw=False)

[2026-06-01T19:48:30] kitchen_window_contact | BooleanState.StateValue = false (raw=False)

[2026-06-01T19:49:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = None

[2026-06-01T19:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.81 C (raw=2281)

[2026-06-01T19:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 21.77 C (raw=2177)

[2026-06-01T21:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.54 C (raw=2254)

[2026-06-01T21:05:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 21.65 C (raw=2165)

[2026-06-01T21:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.55 C (raw=2255)

[2026-06-01T21:08:03] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-01T21:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.63 C (raw=2263)

[2026-06-01T21:10:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 21.45 C (raw=2145)

[2026-06-01T21:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.62 C (raw=2262)

[2026-06-01T21:13:03] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-01T21:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.45 C (raw=2245)

[2026-06-01T21:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 21.43 C (raw=2143)

[2026-06-01T21:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.52 C (raw=2252)

[2026-06-01T21:18:03] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-01T22:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.46 C (raw=2246)

[2026-06-01T22:22:18] bedroom_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-01T22:23:03] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-01T22:24:52] bathroom_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-01T22:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.46 C (raw=2246)

[2026-06-01T22:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 21.57 C (raw=2157)

[2026-06-01T22:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.45 C (raw=2245)

[2026-06-01T22:27:18] bedroom_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-01T22:28:03] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-01T22:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.54 C (raw=2254)

[2026-06-01T22:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 21.48 C (raw=2148)

[2026-06-01T22:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.51 C (raw=2251)

2026-06-01T00:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-01T00:00:00 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T00:00:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T00:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-01T00:30:00 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T00:30:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T01:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-01T01:00:00 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T01:00:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T01:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-01T01:30:00 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T01:30:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T02:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-01T02:00:00 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T02:00:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T02:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-01T02:30:00 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T02:30:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T03:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-01T03:00:00 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T03:00:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T03:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-01T03:30:00 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T03:30:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T04:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-01T04:00:00 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T04:00:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T04:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-01T04:30:00 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T04:30:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T05:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-01T05:00:00 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T05:00:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T05:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-01T05:30:00 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T05:30:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T06:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-01T06:00:00 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T06:00:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T06:19:00 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=1

2026-06-01T06:19:02 | bedroom/bedroom_light | OnOff.OnOff=True

2026-06-01T06:19:06 | bedroom/bedroom_window | WindowCovering.CurrentPositionLiftPercent100ths=0

2026-06-01T06:24:00 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=1

2026-06-01T06:25:02 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=1

2026-06-01T06:25:02 | bathroom/bathroom_light | OnOff.OnOff=True

2026-06-01T06:27:18 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T06:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-01T06:30:02 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=1

2026-06-01T06:35:02 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=1

2026-06-01T06:40:02 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=1

2026-06-01T06:45:02 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=1

2026-06-01T06:50:02 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=1

2026-06-01T06:53:00 | bathroom/bathroom_light | OnOff.OnOff=False

2026-06-01T06:53:10 | kitchen/kitchen_light | OnOff.OnOff=True

2026-06-01T06:54:52 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T06:57:18 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T07:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-01T07:17:00 | kitchen/kitchen_light | OnOff.OnOff=False

2026-06-01T07:17:08 | bedroom/bedroom_light | OnOff.OnOff=False

2026-06-01T07:17:18 | entrance/front_door_lock | Event:LockOperation(LockOperationType=1, OperationSource=Manual)

2026-06-01T07:17:18 | entrance/front_door_lock | DoorLock.LockState=2

2026-06-01T07:17:20 | entrance/front_door_contact | BooleanState.StateValue=False

2026-06-01T07:17:23 | entrance/front_door_contact | BooleanState.StateValue=True

2026-06-01T07:17:24 | entrance/front_door_lock | Event:LockOperation(LockOperationType=0, OperationSource=Auto)

2026-06-01T07:17:24 | entrance/front_door_lock | DoorLock.LockState=1

2026-06-01T07:24:52 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T07:27:18 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T07:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-01T07:54:52 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T07:57:18 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T08:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-01T08:24:52 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T08:27:18 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T08:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-01T08:54:52 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T08:57:18 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T09:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-01T09:24:52 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T09:27:18 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-01T09:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

living_room/living_room_occupancy: occupancy_updates=109, occupied_events=72, first=2026-06-01T00:00:00, last=2026-06-01T23:53:03

bedroom/bedroom_occupancy: occupancy_updates=62, occupied_events=15, first=2026-06-01T00:00:00, last=2026-06-01T23:49:49

bathroom/bathroom_occupancy: occupancy_updates=54, occupied_events=6, first=2026-06-01T00:00:00, last=2026-06-01T23:54:52

2026-06-01T18:54:00 | kitchen/kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue=None

2026-06-01T19:49:00 | kitchen/kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue=None

TemperatureMeasurement.MeasuredValue reports consistent, physically plausible values (e.g., 24.62 C, 23.71 C, 22.54 C) with normal diurnal variation and no stuck states.

Demonstrates the sensor is actively measuring and reporting data within expected environmental ranges.

OccupancySensing.Occupancy transitions between 0 (unoccupied) and 1 (occupied) multiple times, correlating with other room activities and time of day.

Demonstrates the occupancy sensor is functioning correctly and detecting presence changes.

Indicates a temporary communication or reading failure in the *kitchen* sensor, not the living room sensor.

Explanation: The query specifically asks about the 'living_room' sensors. While there are anomalies in the kitchen (temperature nulls) and general system noise (alarmish counts), the living room temperature and occupancy sensors show healthy, continuous operation without evidence of malfunction, drift, or stuck states.

living_room_temp_sensor samples=288 with span=3.14C

No evidence of anomaly was found for the living room sensors. The living room temperature sensor reported valid, varying readings throughout the day, and the occupancy sensor correctly tracked presence changes. The only direct fault evidence (null temperature values) pertains to the kitchen sensor, which is outside the scope of the specific query regarding the living room.

TemperatureMeasurement.MeasuredValue reports consistent, physically plausible values with normal diurnal variation and no stuck states.

The prosecution correctly identifies that the living room temperature sensor is functioning. The data shows a span of 3.14°C (22.42°C to 25.56°C) over 288 samples, which is consistent with natural environmental fluctuations in a residential setting. There are no 'stuck' values or impossible jumps that would indicate hardware failure.

living_room_temp_sensor: min=22.42C, max=25.56C, span=3.14C

Samples=288 indicates regular reporting intervals without long gaps.

OccupancySensing.Occupancy transitions between 0 and 1 multiple times, correlating with other room activities.

The occupancy sensor for the living room shows 109 updates and 72 occupied events. This high frequency of state changes is typical for PIR sensors detecting minor movements or ambient light changes in a main living area. The correlation with time-of-day (active during day/evening, inactive at night) confirms logical operation rather than random noise.

First/Last activity aligns with human sleep/wake cycles (00:00 to 23:53).

The only direct fault evidence (null temperature values) pertains to the kitchen sensor, not the living room sensor.

I fully concede this point. The null values at 18:54 and 19:49 are explicitly logged for `kitchen/kitchen_temp_sensor`. There is no corresponding null value or error event for `living_room/living_room_temp_sensor` in the provided logs. Therefore, there is no evidence of a fault in the target device.

Alert/Error Events list only shows kitchen_temp_sensor nulls.

Living room temp logs in chunks C03-C13 all show valid integer raw values.

The living room sensors (temperature and occupancy) are operating normally. Temperature readings fluctuate within a expected range (~22-25°C), reflecting standard indoor climate conditions. Occupancy detection is active and responsive, tracking presence throughout the day with no signs of hardware failure, stuck states, or communication errors.

The kitchen temperature sensor did experience temporary null readings, but this is irrelevant to the health of the living room sensors.

## Query
请检查以下设备状态历史，判断 living_room 区域的传感器 是否工作正常。如果异常，请说明可能的故障类型。

## Query Profile
device-health

## Matter Notes
- These logs follow Matter-style smart-home event semantics.
- TemperatureMeasurement.MeasuredValue is represented in centi-degrees Celsius in this benchmark: 2466 means 24.66 C, not 2466 C.
- BooleanState and other protocol booleans should be interpreted using transitions and surrounding events, not naive natural-language assumptions from a single isolated value.
- OccupancySensing.Occupancy uses 0=unoccupied and 1=occupied.
- DoorLock.LockState is an enumerated state; formatted logs may show both the label and the raw code.
- A device-fault conclusion requires direct fault evidence such as stuck values, repeated non-recovery, explicit alarm/fault events, or impossible state transitions. Scaled temperature values alone are not enough.

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

## Structured Signals
{'room_activity': {'living_room': 407, 'bedroom': 357, 'kitchen': 298, 'bathroom': 56, 'entrance': 14}, 'attribute_frequency': {'MeasuredValue': 866, 'Occupancy': 225, 'OnOff': 18, 'StateValue': 5, 'LockState': 4, 'CurrentPositionLiftPercent100ths': 2, 'SystemMode': 1, 'OperationalState': 1, 'CurrentLevel': 1}, 'lock_state_flips': 4, 'occupancy_events': 225, 'temperature_patterns': [], 'value_format_hints': {'temperature': 'MeasuredValue is shown as Celsius with the raw integer preserved in parentheses.', 'occupancy': '0=unoccupied, 1=occupied', 'lock_state': 'enumerated lock state rendered as label + raw code'}}

## Focus Chunks
[{'chunk_id': 'C03', 'start_ts': '2026-06-01T05:40:00', 'end_ts': '2026-06-01T07:15:00', 'event_count': 80, 'rooms': {'living_room': 23, 'bedroom': 27, 'kitchen': 20, 'bathroom': 10}, 'top_devices': ['living_room_temp_sensor', 'bedroom_temp_sensor', 'kitchen_temp_sensor', 'bathroom_occupancy', 'bedroom_occupancy', 'living_room_occupancy'], 'alarmish_count': 16, 'preview_lines': ['[2026-06-01T05:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 24.62 C (raw=2462)', '[2026-06-01T05:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.73 C (raw=2373)', '[2026-06-01T05:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 24.61 C (raw=2461)', '[2026-06-01T05:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 24.76 C (raw=2476)', '[2026-06-


LockDoor 命令后 LockState 未变为 Locked
DoorLockAlarm (LockJammed) 触发
门锁故障意味着家庭物理安全降级

通知住户门锁可能卡住/故障，建议手动检查

weak - relies on misinterpretation of standard 'No Alarm' code and over-analyzing normal sensor transitions.

strong - provides correct technical context (Matter spec for AlarmCode 0) and logical timeline reconstruction showing normal user behavior.

The Defense successfully refuted the core evidence by explaining that AlarmCode 0 signifies 'No Alarm' in the relevant protocol, rendering the Prosecutor's primary claim of a fault invalid. The contact sensor activity was also explained as a normal door closure sequence.

The alleged sensor malfunction is a false positive caused by misinterpreting a standard 'No Alarm' status update and normal door operation logs.

Verify local device configuration to ensure AlarmCode 0 is not overridden by non-standard firmware settings.

Question: 请检查以下设备状态历史，判断 entrance 区域的传感器 是否工作正常。如果异常，请说明可能的故障类型。

These logs follow Matter-style smart-home event semantics.

OccupancySensing.Occupancy uses 0=unoccupied and 1=occupied.

DoorLock.LockState is an enumerated state; formatted logs may show both the label and the raw code.

[2026-06-22T05:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.61 C (raw=2361)

[2026-06-22T05:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 24.71 C (raw=2471)

[2026-06-22T05:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 24.75 C (raw=2475)

[2026-06-22T05:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.64 C (raw=2364)

[2026-06-22T05:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 24.65 C (raw=2465)

[2026-06-22T05:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 24.68 C (raw=2468)

[2026-06-22T05:55:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.78 C (raw=2378)

[2026-06-22T05:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 24.76 C (raw=2476)

[2026-06-22T16:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.77 C (raw=2277)

[2026-06-22T16:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.86 C (raw=2386)

[2026-06-22T16:38:42] bedroom_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-22T16:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.74 C (raw=2374)

[2026-06-22T16:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.78 C (raw=2278)

[2026-06-22T16:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.84 C (raw=2384)

[2026-06-22T16:40:18] bathroom_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-22T16:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.77 C (raw=2377)

[2026-06-22T16:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.72 C (raw=2272)

[2026-06-22T16:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.69 C (raw=2369)

[2026-06-22T16:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.68 C (raw=2368)

[2026-06-22T16:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.71 C (raw=2271)

[2026-06-22T18:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.23 C (raw=2223)

[2026-06-22T18:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.08 C (raw=2308)

[2026-06-22T18:15:16] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-22T18:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.06 C (raw=2306)

[2026-06-22T18:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.21 C (raw=2221)

[2026-06-22T18:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.19 C (raw=2319)

[2026-06-22T18:20:16] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-22T18:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.04 C (raw=2304)

[2026-06-22T18:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.15 C (raw=2215)

[2026-06-22T18:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.07 C (raw=2307)

[2026-06-22T18:25:16] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-22T18:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.17 C (raw=2317)

[2026-06-22T19:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 26.78 C (raw=2678)

[2026-06-22T19:40:16] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-22T19:40:18] bathroom_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-22T19:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.80 C (raw=2280)

[2026-06-22T19:45:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 21.86 C (raw=2186)

[2026-06-22T19:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 26.33 C (raw=2633)

[2026-06-22T19:45:16] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-22T19:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.68 C (raw=2268)

[2026-06-22T19:50:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 21.84 C (raw=2184)

[2026-06-22T19:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 25.99 C (raw=2599)

[2026-06-22T19:50:16] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-22T19:55:00] kitchen_dishwasher | OnOff.OnOff = on (raw=True)

[2026-06-22T21:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.62 C (raw=2262)

[2026-06-22T21:10:08] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-22T21:10:18] bathroom_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-22T21:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.51 C (raw=2251)

[2026-06-22T21:15:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 21.45 C (raw=2145)

[2026-06-22T21:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.45 C (raw=2245)

[2026-06-22T21:15:08] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-22T21:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.50 C (raw=2250)

[2026-06-22T21:20:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 21.54 C (raw=2154)

[2026-06-22T21:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.46 C (raw=2246)

[2026-06-22T21:20:08] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-22T21:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.61 C (raw=2261)

[2026-06-22T22:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.44 C (raw=2244)

[2026-06-22T22:25:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 21.42 C (raw=2142)

[2026-06-22T22:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.43 C (raw=2243)

[2026-06-22T22:25:08] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-22T22:26:25] bedroom_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-22T22:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.42 C (raw=2242)

[2026-06-22T22:30:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 21.52 C (raw=2152)

[2026-06-22T22:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.49 C (raw=2249)

[2026-06-22T22:30:08] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-22T22:31:25] bedroom_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-22T22:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.55 C (raw=2255)

[2026-06-22T22:35:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 21.53 C (raw=2153)

2026-06-22T00:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-22T00:00:00 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-22T00:00:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-22T00:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-22T00:30:00 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-22T00:30:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-22T01:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-22T01:00:00 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-22T01:00:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-22T01:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-22T01:30:00 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-22T01:30:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-22T02:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-22T02:00:00 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-22T02:00:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-22T02:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-22T02:30:00 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-22T02:30:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-22T03:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-22T03:00:00 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-22T03:00:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-22T03:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-22T03:30:00 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-22T03:30:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-22T04:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-22T04:00:00 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-22T04:00:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-22T04:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-22T04:30:00 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-22T04:30:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-22T05:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-22T05:00:00 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-22T05:00:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-22T05:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-22T05:30:00 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-22T05:30:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-22T06:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-22T06:00:00 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-22T06:00:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-22T06:29:00 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=1

2026-06-22T06:29:09 | bedroom/bedroom_light | OnOff.OnOff=True

2026-06-22T06:29:15 | bedroom/bedroom_window | WindowCovering.CurrentPositionLiftPercent100ths=0

2026-06-22T06:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-22T06:30:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-22T06:34:00 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=1

2026-06-22T06:37:10 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=1

2026-06-22T06:37:10 | bathroom/bathroom_light | OnOff.OnOff=True

2026-06-22T06:38:42 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-22T06:42:10 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=1

2026-06-22T06:47:10 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=1

2026-06-22T06:52:10 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=1

2026-06-22T06:57:10 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=1

2026-06-22T07:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-22T07:02:10 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=1

2026-06-22T07:07:10 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=1

2026-06-22T07:08:42 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-22T07:09:00 | bathroom/bathroom_light | OnOff.OnOff=False

2026-06-22T07:09:16 | kitchen/kitchen_light | OnOff.OnOff=True

2026-06-22T07:10:18 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-22T07:17:00 | kitchen/kitchen_light | OnOff.OnOff=False

2026-06-22T07:17:09 | bedroom/bedroom_light | OnOff.OnOff=False

2026-06-22T07:17:23 | entrance/front_door_lock | Event:LockOperation(LockOperationType=1, OperationSource=Manual)

2026-06-22T07:17:23 | entrance/front_door_lock | DoorLock.LockState=2

2026-06-22T07:17:25 | entrance/front_door_contact | BooleanState.StateValue=False

2026-06-22T07:17:26 | entrance/front_door_contact | BooleanState.StateValue=True

2026-06-22T07:17:27 | entrance/front_door_lock | Event:LockOperation(LockOperationType=0, OperationSource=Auto)

2026-06-22T07:17:27 | entrance/front_door_lock | DoorLock.LockState=1

2026-06-22T07:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-22T07:38:42 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-22T07:40:18 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-22T08:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-22T08:08:42 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-22T08:10:18 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-22T08:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-22T08:38:42 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-22T08:40:18 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-22T09:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-22T09:08:42 | bedroom/bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-22T09:10:18 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-22T09:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

living_room/living_room_occupancy: occupancy_updates=107, occupied_events=70, first=2026-06-22T00:00:00, last=2026-06-22T23:50:08

bedroom/bedroom_occupancy: occupancy_updates=58, occupied_events=12, first=2026-06-22T00:00:00, last=2026-06-22T23:25:08

bathroom/bathroom_occupancy: occupancy_updates=55, occupied_events=7, first=2026-06-22T00:00:00, last=2026-06-22T23:40:18

2026-06-22T19:03:00 | kitchen/kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue=None

2026-06-22T19:27:00 | kitchen/kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue=None

2026-06-22T21:36:15 | entrance/front_door_lock | Event:DoorLockAlarm(AlarmCode=0)

An explicit alarm event on the entrance lock indicates a fault condition, tamper detection, or mechanical failure of the locking mechanism.

BooleanState.StateValue flipped from False to True within 1 second (07:17:25 -> 07:17:26).

This rapid transition coincides with the door being closed/locked. While potentially normal for a quick close, in conjunction with the later alarm, it suggests the contact sensor is highly sensitive or reacting to vibration/misalignment rather than just open/closed states.

Explanation: The presence of an explicit DoorLock Alarm (AlarmCode=0) at 21:36:15 is a strong indicator of a hardware or state malfunction. AlarmCode 0 typically represents 'No Alarm' in some standards but 'General Fault' or 'Tamper' in others; however, given the context of a 'health' check and the absence of other intrusion evidence (no forced entry patterns like rapid unlock/lock cycles without occupancy), this points to a device-level fault. The contact sensor's behavior earlier in the day shows it is active, ruling out total connectivity loss, making a specific component failure (lock motor/sensor alignment) more likely.

2026-06-22T21:36:15 | entrance/front_door_lock | Event:DoorLockAlarm(AlarmCode=0)

The entrance area exhibits clear signs of sensor/actuator malfunction, specifically evidenced by a DoorLock Alarm event at 21:36:15. This explicit fault signal, combined with the high-frequency state changes of the contact sensor during the morning lock/unlock cycle, suggests a mechanical misalignment or internal hardware failure in the front door assembly. The system is not reporting a simple connectivity drop, but rather an active error state requiring physical inspection.

The DoorLockAlarm(AlarmCode=0) at 21:36:15 indicates a hardware fault, tamper detection, or mechanical failure.

In Matter/Thread specifications, AlarmCode 0 in the Door Lock cluster typically signifies 'No Alarm' or a clearing of previous alarms, rather than an active fault. Even if interpreted as a generic status update, it appears in isolation without preceding forced-entry indicators (e.g., rapid lock/unlock cycles, wrong code attempts, or physical tamper events). The lock operated normally earlier that morning (07:17), and there is no evidence of continued malfunction. This event is likely a routine state synchronization or a benign status report, not a fault indicator.

Matter Specification: DoorLock.AlarmCode 0 usually means No Alarm.

Normal operation observed at 07:17:23-07:17:27 with successful manual/auto locking.

The contact sensor's rapid flip from False to True within 1 second suggests high sensitivity, vibration, or misalignment.

The timestamp sequence shows the door was locked manually at 07:17:23, the contact sensor went False (open) at 07:17:25, then True (closed) at 07:17:26. This 1-second window is consistent with a user closing the door firmly after locking it, or the magnetic reed switch settling. It does not indicate erratic behavior or misalignment; it reflects a standard open-to-closed transition during a normal exit routine.

07:17:27 LockOperation Auto (likely auto-lock engaging)

The combination of the alarm event and contact sensor behavior points to a specific component failure requiring physical inspection.

There is no causal link between the morning contact sensor activity and the evening alarm event. The contact sensor worked correctly during the morning exit. The 'alarm' event lacks supporting context for a fault (no repeated failures, no connectivity loss logs for the entrance devices). Attributing a hardware failure to a single ambiguous status code and unrelated historical data is an over-interpretation. The system is functioning as designed by reporting status changes.

No connectivity errors reported for entrance/front_door_lock or entrance/front_door_contact in the provided logs.

Temperature sensors in other rooms show normal variance, indicating general network health.

The entrance area devices are operating normally. The morning events depict a standard user exit: manual locking followed by door closure, triggering the contact sensor. The evening 'alarm' event with Code 0 is most likely a 'No Alarm' status confirmation or a routine state sync, common in Matter devices, rather than a fault. There is no evidence of mechanical failure, tampering, or sensor malfunction.

If AlarmCode 0 were defined locally as 'General Fault' (non-standard), it would require investigation, but based on standard Matter semantics, it implies no active alarm.

## Query
请检查以下设备状态历史，判断 entrance 区域的传感器 是否工作正常。如果异常，请说明可能的故障类型。

## Query Profile
device-health

## Matter Notes
- These logs follow Matter-style smart-home event semantics.
- TemperatureMeasurement.MeasuredValue is represented in centi-degrees Celsius in this benchmark: 2466 means 24.66 C, not 2466 C.
- BooleanState and other protocol booleans should be interpreted using transitions and surrounding events, not naive natural-language assumptions from a single isolated value.
- OccupancySensing.Occupancy uses 0=unoccupied and 1=occupied.
- DoorLock.LockState is an enumerated state; formatted logs may show both the label and the raw code.
- A device-fault conclusion requires direct fault evidence such as stuck values, repeated non-recovery, explicit alarm/fault events, or impossible state transitions. Scaled temperature values alone are not enough.

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

## Structured Signals
{'room_activity': {'living_room': 400, 'bedroom': 353, 'kitchen': 298, 'bathroom': 57, 'entrance': 19}, 'attribute_frequency': {'MeasuredValue': 866, 'Occupancy': 220, 'OnOff': 18, 'LockState': 6, 'StateValue': 5, 'CurrentPositionLiftPercent100ths': 2, 'SystemMode': 1, 'OperationalState': 1, 'CurrentLevel': 1}, 'lock_state_flips': 6, 'occupancy_events': 220, 'temperature_patterns': [], 'value_format_hints': {'temperature': 'MeasuredValue is shown as Celsius with the raw integer preserved in parentheses.', 'occupancy': '0=unoccupied, 1=occupied', 'lock_state': 'enumerated lock state rendered as label + raw code'}}

## Focus Chunks
[{'chunk_id': 'C03', 'start_ts': '2026-06-22T05:40:00', 'end_ts': '2026-06-22T07:10:18', 'event_count': 80, 'rooms': {'living_room': 22, 'bedroom': 26, 'kitchen': 20, 'bathroom': 12}, 'top_devices': ['living_room_temp_sensor', 'bedroom_temp_sensor', 'kitchen_temp_sensor', 'bathroom_occupancy', 'bedroom_occupancy', 'living_room_occupancy'], 'alarmish_count': 18, 'preview_lines': ['[2026-06-22T05:40:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 24.59 C (raw=2459)', '[2026-06-22T05:40:00] bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.67 C (raw=2367)', '[2026-06-22T05:40:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 24.70 C (raw=2470)', '[2026-06-22T05:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 24.68 C (raw=2468)', '[2026-06-22T


通知住户该区域烟雾报警器失灵，建议立即更换，期间注意防火

strong - Provides direct, repeated evidence of data integrity failure (null values) on a specific device, establishing a clear pattern of malfunction.

moderate - Successfully argues that the issue is likely intermittent connectivity rather than permanent hardware failure, but fails to refute the fact that the sensor is currently failing to report valid data.

The Prosecutor's direct evidence of repeated 'None' values constitutes a functional failure of the sensor to perform its primary task. While the Defender suggests this is due to network issues, the result is still a malfunctioning sensor from the perspective of system reliability and security monitoring. The burden of proof for 'normal operation' requires consistent data, which is absent here.

The kitchen temperature sensor is intermittently failing to transmit valid data, reporting null values multiple times throughout the day.

Check the physical connection and battery level of the kitchen temperature sensor.

Inspect the wireless signal strength between the sensor and the hub to rule out interference.

Replace or reset the sensor if connectivity checks do not resolve the null value issues.

Question: 请检查以下设备状态历史，判断 kitchen 区域的传感器 是否工作正常。如果异常，请说明可能的故障类型。

These logs follow Matter-style smart-home event semantics.

OccupancySensing.Occupancy uses 0=unoccupied and 1=occupied.

DoorLock.LockState is an enumerated state; formatted logs may show both the label and the raw code.

[2026-06-08T17:53:00] master_bedroom_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T17:53:02] front_door_contact | BooleanState.StateValue = false (raw=False)

[2026-06-08T17:53:03] entrance_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T17:53:07] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T17:53:10] living_room_light_1 | OnOff.OnOff = on (raw=True)

[2026-06-08T17:53:17] living_room_ac | OnOff.OnOff = on (raw=True)

[2026-06-08T17:53:17] living_room_ac | Thermostat.SystemMode = 3

[2026-06-08T17:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.33 C (raw=2333)

[2026-06-08T17:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.20 C (raw=2320)

[2026-06-08T17:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.32 C (raw=2332)

[2026-06-08T17:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.21 C (raw=2321)

[2026-06-08T17:58:00] master_bedroom_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T19:30:00] bathroom_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-08T19:33:00] master_bedroom_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T19:33:03] entrance_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T19:33:07] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T19:35:00] kitchen_dishwasher | OnOff.OnOff = on (raw=True)

[2026-06-08T19:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.72 C (raw=2272)

[2026-06-08T19:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.85 C (raw=2285)

[2026-06-08T19:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.84 C (raw=2284)

[2026-06-08T19:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.83 C (raw=2283)

[2026-06-08T19:35:05] kitchen_dishwasher | OperationalState.OperationalState = 1

[2026-06-08T19:38:00] master_bedroom_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T19:38:03] entrance_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T20:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.65 C (raw=2265)

[2026-06-08T20:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.53 C (raw=2253)

[2026-06-08T20:28:00] master_bedroom_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T20:28:03] entrance_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T20:28:07] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T20:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.58 C (raw=2258)

[2026-06-08T20:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.52 C (raw=2252)

[2026-06-08T20:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.54 C (raw=2254)

[2026-06-08T20:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.57 C (raw=2257)

[2026-06-08T20:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-08T20:30:00] bathroom_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-08T20:33:00] master_bedroom_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T21:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.55 C (raw=2255)

[2026-06-08T21:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.54 C (raw=2254)

[2026-06-08T21:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.44 C (raw=2244)

[2026-06-08T21:23:00] master_bedroom_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T21:23:03] entrance_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T21:23:07] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T21:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.49 C (raw=2249)

[2026-06-08T21:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.42 C (raw=2242)

[2026-06-08T21:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.56 C (raw=2256)

[2026-06-08T21:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.57 C (raw=2257)

[2026-06-08T21:28:00] master_bedroom_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T21:28:03] entrance_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T22:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.61 C (raw=2261)

[2026-06-08T22:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.61 C (raw=2261)

[2026-06-08T22:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.50 C (raw=2250)

[2026-06-08T22:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.50 C (raw=2250)

[2026-06-08T22:18:00] master_bedroom_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T22:18:03] entrance_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T22:18:07] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T22:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.54 C (raw=2254)

[2026-06-08T22:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.58 C (raw=2258)

[2026-06-08T22:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.50 C (raw=2250)

[2026-06-08T22:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.45 C (raw=2245)

[2026-06-08T22:23:00] master_bedroom_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T23:03:07] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T23:04:12] master_bedroom_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T23:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.57 C (raw=2257)

[2026-06-08T23:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.56 C (raw=2256)

[2026-06-08T23:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.52 C (raw=2252)

[2026-06-08T23:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.49 C (raw=2249)

[2026-06-08T23:08:03] entrance_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T23:08:07] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T23:09:12] master_bedroom_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-08T23:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.60 C (raw=2260)

[2026-06-08T23:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.59 C (raw=2259)

[2026-06-08T23:10:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.60 C (raw=2260)

2026-06-08T00:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-08T00:00:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T00:00:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T00:00:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T00:00:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-08T00:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-08T00:30:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T00:30:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T00:30:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T00:30:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-08T01:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-08T01:00:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T01:00:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T01:00:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T01:00:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-08T01:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-08T01:30:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T01:30:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T01:30:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T01:30:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-08T02:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-08T02:00:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T02:00:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T02:00:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T02:00:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-08T02:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-08T02:30:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T02:30:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T02:30:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T02:30:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-08T03:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-08T03:00:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T03:00:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T03:00:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T03:00:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-08T03:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-08T03:30:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T03:30:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T03:30:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T03:30:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-08T04:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-08T04:00:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T04:00:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T04:00:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T04:00:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-08T04:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-08T04:30:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T04:30:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T04:30:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T04:30:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-08T05:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-08T05:00:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T05:00:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T05:00:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T05:00:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-08T05:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-08T05:30:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T05:30:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T05:30:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T05:30:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-08T06:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-08T06:00:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T06:00:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T06:00:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T06:00:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-08T06:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-08T06:30:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T06:30:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T06:30:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-08T06:30:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-08T06:30:05 | kitchen/kitchen_light | OnOff.OnOff=True

2026-06-08T06:30:35 | kitchen/kitchen_cook_surface | OnOff.OnOff=True

2026-06-08T06:31:05 | kitchen/kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue=None

2026-06-08T06:33:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=1

2026-06-08T06:33:05 | master_bedroom/master_bedroom_light | OnOff.OnOff=True

2026-06-08T06:38:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=1

2026-06-08T06:43:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=1

2026-06-08T06:48:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=1

2026-06-08T06:53:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=1

2026-06-08T06:58:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=1

master_bedroom/master_bedroom_occupancy: occupancy_updates=224, occupied_events=210, first=2026-06-08T00:00:00, last=2026-06-08T23:54:12

entrance/entrance_occupancy: occupancy_updates=215, occupied_events=200, first=2026-06-08T00:00:00, last=2026-06-08T23:53:03

living_room/living_room_occupancy: occupancy_updates=109, occupied_events=73, first=2026-06-08T00:00:00, last=2026-06-08T23:53:07

second_bedroom/second_bedroom_occupancy: occupancy_updates=48, occupied_events=0, first=2026-06-08T00:00:00, last=2026-06-08T23:30:00

bathroom/bathroom_occupancy: occupancy_updates=48, occupied_events=0, first=2026-06-08T00:00:00, last=2026-06-08T23:30:00

2026-06-08T06:31:05 | kitchen/kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue=None

2026-06-08T07:09:00 | kitchen/kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue=None

2026-06-08T18:05:00 | kitchen/kitchen_smoke_alarm | .HardwareFaultAlert=True

2026-06-08T18:05:00 | kitchen/kitchen_smoke_alarm | Event:HardwareFault()

2026-06-08T18:32:00 | kitchen/kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue=None

2026-06-08T18:53:00 | kitchen/kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue=None

Explicit null value indicating a failure to read or transmit temperature data.

Recurrent null value, suggesting the issue is not transient but persistent over time.

Late-day recurrence of null values, confirming intermittent or chronic communication/sensor failure.

Continued failure to report valid measurements.

Explanation: While the kitchen temperature sensor reports valid values in many chunks (e.g., C16-C22), the presence of multiple explicit 'None' readings for the same attribute on the same device indicates an unstable connection or internal hardware fault. This contrasts with other sensors in the home which maintain consistent reporting patterns without such null exceptions.

Valid readings at 17:55:00 (23.21 C)
Null reading at 06:31:05
Valid readings at 19:35:00 (22.83 C)

Explanation: The simultaneous occurrence of a HardwareFaultAlert on the smoke alarm suggests potential systemic issues with the kitchen zone's network or power stability, though the primary anomaly is isolated to the temp sensor's data integrity.

2026-06-08T18:05:00 | kitchen/kitchen_smoke_alarm | .HardwareFaultAlert=True

The kitchen temperature sensor exhibits clear malfunction behavior characterized by repeated transmission of null values ('MeasuredValue=None') at timestamps 06:31:05, 07:09:00, 18:32:00, and 18:53:00. These direct evidence points demonstrate that the device fails to provide valid environmental data intermittently throughout the day, constituting a sensor malfunction rather than normal operation.

While 'None' values indicate a reporting failure, the Prosecutor over-interprets this as a definitive hardware fault without ruling out transient network issues or protocol-level data gaps. Crucially, the sensor provides valid, consistent readings in all other major time chunks (C16-C22), showing no signs of being 'stuck' or permanently dead. The intermittent nature suggests connectivity instability rather than component failure. Furthermore, the Prosecutor ignores that the sensor's valid readings align perfectly with the rest of the home's thermal profile, indicating it works correctly when connected.

Temperature trends show a stable span (min 22.41C to max 25.57C) across 288 samples, contradicting a total sensor failure.

No explicit 'DeviceOffline' or 'ConnectionLost' events were logged for the temp sensor itself, only missing attribute values.

Recurrent null value, suggesting the issue is not transient but persistent over time.

The term 'persistent' implies a continuous state. The evidence shows the nulls are isolated incidents separated by hours of normal operation. A truly persistent fault would result in a lack of data for extended periods, which is not observed here. The pattern is better described as 'intermittent,' which is common in smart home Zigbee/Matter networks due to interference or sleep cycles, not necessarily hardware degradation.

Gap between 07:09:00 and 18:32:00 where no nulls are reported in the summary, despite many valid readings occurring in between.

The 'temperature_patterns' field in Structured Signals is empty, implying no anomalous static patterns were detected by the system.

The simultaneous occurrence of a HardwareFaultAlert on the smoke alarm suggests potential systemic issues with the kitchen zone's network or power stability.

This is a logical leap. A single HardwareFaultAlert on one device (smoke alarm) does not prove systemic network instability affecting another device (temp sensor). Smart home devices often have independent battery backups or power supplies. The smoke alarm alert could be due to its own internal diagnostics (e.g., low battery, end-of-life) unrelated to the temp sensor's communication link. Correlation does not imply causation here.

The smoke alarm alert occurred at 18:05:00, while the temp sensor nulls were at 18:32:00 and 18:53:00, showing no immediate temporal correlation.

Other kitchen devices (dishwasher, lights) do not show similar fault alerts or connection drops in the provided logs.

The kitchen temperature sensor is functioning normally but experiences intermittent communication dropouts, likely due to wireless signal interference or temporary network congestion. This is evidenced by the high volume of successful, consistent temperature reports throughout the day, contrasting with the few isolated instances of missing data. The concurrent smoke alarm fault appears to be an independent event related to that specific device's health status rather than a shared infrastructure failure.

The kitchen temperature sensor did report 'None' values at specific timestamps, indicating temporary data loss.

A HardwareFaultAlert was triggered for the kitchen smoke alarm, indicating a separate issue within the kitchen zone.

## Query
请检查以下设备状态历史，判断 kitchen 区域的传感器 是否工作正常。如果异常，请说明可能的故障类型。

## Query Profile
device-health

## Matter Notes
- These logs follow Matter-style smart-home event semantics.
- TemperatureMeasurement.MeasuredValue is represented in centi-degrees Celsius in this benchmark: 2466 means 24.66 C, not 2466 C.
- BooleanState and other protocol booleans should be interpreted using transitions and surrounding events, not naive natural-language assumptions from a single isolated value.
- OccupancySensing.Occupancy uses 0=unoccupied and 1=occupied.
- DoorLock.LockState is an enumerated state; formatted logs may show both the label and the raw code.
- A device-fault conclusion requires direct fault evidence such as stuck values, repeated non-recovery, explicit alarm/fault events, or impossible state transitions. Scaled temperature values alone are not enough.

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

## Structured Signals
{'room_activity': {'living_room': 402, 'master_bedroom': 516, 'second_bedroom': 336, 'kitchen': 306, 'bathroom': 48, 'entrance': 230}, 'attribute_frequency': {'MeasuredValue': 1156, 'Occupancy': 644, 'OnOff': 15, 'StateValue': 7, 'LockState': 5, 'SystemMode': 1, 'HardwareFaultAlert': 1, 'ExpressedState': 1, 'OperationalState': 1, 'CurrentPositionLiftPercent100ths': 1}, 'lock_state_flips': 5, 'occupancy_events': 644, 'temperature_patterns': [], 'value_format_hints': {'temperature': 'MeasuredValue is shown as Celsius with the raw integer preserved in parentheses.', 'occupancy': '0=unoccupied, 1=occupied', 'lock_state': 'enumerated lock state rendered as label + raw code'}}

## Focus Chunks
[{'chunk_id': 'C16', 'start_ts': '2026-06-08T17:53:00', 'end_ts': '2026-06-08T18:38:07', 'event_count': 80, 'rooms': {'master_bedroom': 19, 'entrance': 11, 'living_room': 22, 'second_bedroom': 11, 'kitchen': 15, 'bathroom': 2}, 'top_devices': ['master_bedroom_occupancy', 'entrance_occupancy', 'living_room_occupancy', 'kitchen_temp_sensor', 'living_room_temp_sensor', 'master_bedroom_temp_sensor'], 'alarmish_count': 36, 'preview_lines': ['[2026-06-08T17:53:00] master_bedroom_occupancy | Occupancy