玄关运动 + 门锁解锁失败

密码错误（小孩可能记不准密码）

跟 INS-02 的区别：这里不是暴力破解，只有1-2次尝试，且家中有其他房间的活动（说明有人在家）

strong - Provides direct log evidence of repeated `LockOperationError` events with explicit significance regarding persistent fault and security state ambiguity.

moderate - Offers plausible alternative explanations (transient mechanical issues, retry logic) but fails to provide definitive log evidence (e.g., successful lock state change or user confirmation) that the system recovered or was safe.

The Prosecutor established a concrete unsafe sequence (repeated errors indicating potential failure to secure). The Defense's rebuttal relies on probability ('likely caused by') rather than definitive exculpatory evidence from the logs. Under the asymmetric burden of proof in security contexts, unverified lock failures are treated as anomalies until proven otherwise.

Repeated lock operation errors indicate a potential hardware or firmware malfunction that may have left the front door in an insecure or jammed state.

Manually verify the physical state of the front door lock immediately.

Check battery levels of the smart lock device.

Monitor for recurrence of LockOperationError events over the next 24 hours.

Question: 以下是家庭设备的综合状态报告。请综合分析所有信息，判断家庭当前的安全状况，指出任何潜在风险。

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

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

[2026-06-25T09:27:20] entrance_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T09:28:00] master_bedroom_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T09:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 25.47 C (raw=2547)

[2026-06-25T09:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 25.46 C (raw=2546)

[2026-06-25T09:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 25.42 C (raw=2542)

[2026-06-25T09:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 25.49 C (raw=2549)

[2026-06-25T09:30:00] living_room_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-25T09:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-25T09:30:08] dining_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T09:32:00] kids_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T09:32:20] entrance_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T09:33:00] master_bedroom_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T17:55:03] kids_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T17:55:08] dining_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T17:58:00] master_bedroom_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T17:58:02] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T17:58:03] entrance_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T18:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.31 C (raw=2331)

[2026-06-25T18:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.18 C (raw=2318)

[2026-06-25T18:00:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.32 C (raw=2332)

[2026-06-25T18:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.23 C (raw=2323)

[2026-06-25T18:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-25T18:00:03] kids_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T18:00:08] dining_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T19:18:00] master_bedroom_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T19:18:02] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T19:18:03] entrance_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T19:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.82 C (raw=2282)

[2026-06-25T19:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.89 C (raw=2289)

[2026-06-25T19:20:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.94 C (raw=2294)

[2026-06-25T19:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.86 C (raw=2286)

[2026-06-25T19:20:03] kids_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T19:21:03] dining_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T19:23:00] master_bedroom_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T19:23:02] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T19:23:03] entrance_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T20:40:03] kids_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T20:41:00] kids_room_light | OnOff.OnOff = off (raw=False)

[2026-06-25T20:41:02] kids_room_window | WindowCovering.CurrentPositionLiftPercent100ths = 10000

[2026-06-25T20:41:03] dining_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T20:43:00] master_bedroom_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T20:43:02] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T20:43:03] entrance_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T20:45:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.56 C (raw=2256)

[2026-06-25T20:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.48 C (raw=2248)

[2026-06-25T20:45:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.49 C (raw=2249)

[2026-06-25T20:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.64 C (raw=2264)

[2026-06-25T20:45:03] kids_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T22:05:03] kids_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T22:06:03] dining_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T22:08:00] master_bedroom_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T22:08:02] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T22:08:03] entrance_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T22:09:46] master_bathroom_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-25T22:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.49 C (raw=2249)

[2026-06-25T22:10:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.53 C (raw=2253)

[2026-06-25T22:10:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.48 C (raw=2248)

[2026-06-25T22:10:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.47 C (raw=2247)

[2026-06-25T22:10:03] kids_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T22:11:03] dining_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T22:45:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.45 C (raw=2245)

[2026-06-25T22:45:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.56 C (raw=2256)

[2026-06-25T22:45:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.51 C (raw=2251)

[2026-06-25T22:45:03] kids_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T22:46:03] dining_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T22:48:02] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T22:48:03] entrance_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T22:48:11] master_bedroom_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-25T22:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.59 C (raw=2259)

[2026-06-25T22:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.44 C (raw=2244)

[2026-06-25T22:50:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.49 C (raw=2249)

[2026-06-25T22:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.51 C (raw=2251)

2026-06-25T00:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-25T00:00:00 | dining_room/dining_room_occupancy | OccupancySensing.Occupancy=0

2026-06-25T00:00:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-25T00:00:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-25T00:00:00 | kids_room/kids_room_occupancy | OccupancySensing.Occupancy=0

2026-06-25T00:00:00 | master_bathroom/master_bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-25T00:00:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-25T00:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-25T00:30:00 | dining_room/dining_room_occupancy | OccupancySensing.Occupancy=0

2026-06-25T00:30:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-25T00:30:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-25T00:30:00 | kids_room/kids_room_occupancy | OccupancySensing.Occupancy=0

2026-06-25T00:30:00 | master_bathroom/master_bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-25T00:30:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-25T01:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-25T01:00:00 | dining_room/dining_room_occupancy | OccupancySensing.Occupancy=0

2026-06-25T01:00:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-25T01:00:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-25T01:00:00 | kids_room/kids_room_occupancy | OccupancySensing.Occupancy=0

2026-06-25T01:00:00 | master_bathroom/master_bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-25T01:00:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-25T01:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-25T01:30:00 | dining_room/dining_room_occupancy | OccupancySensing.Occupancy=0

2026-06-25T01:30:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-25T01:30:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-25T01:30:00 | kids_room/kids_room_occupancy | OccupancySensing.Occupancy=0

2026-06-25T01:30:00 | master_bathroom/master_bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-25T01:30:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-25T02:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-25T02:00:00 | dining_room/dining_room_occupancy | OccupancySensing.Occupancy=0

2026-06-25T02:00:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-25T02:00:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-25T02:00:00 | kids_room/kids_room_occupancy | OccupancySensing.Occupancy=0

2026-06-25T02:00:00 | master_bathroom/master_bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-25T02:00:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-25T02:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-25T02:30:00 | dining_room/dining_room_occupancy | OccupancySensing.Occupancy=0

2026-06-25T02:30:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-25T02:30:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-25T02:30:00 | kids_room/kids_room_occupancy | OccupancySensing.Occupancy=0

2026-06-25T02:30:00 | master_bathroom/master_bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-25T02:30:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-25T03:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-25T03:00:00 | dining_room/dining_room_occupancy | OccupancySensing.Occupancy=0

2026-06-25T03:00:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-25T03:00:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-25T03:00:00 | kids_room/kids_room_occupancy | OccupancySensing.Occupancy=0

2026-06-25T03:00:00 | master_bathroom/master_bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-25T03:00:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-25T03:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-25T03:30:00 | dining_room/dining_room_occupancy | OccupancySensing.Occupancy=0

2026-06-25T03:30:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-25T03:30:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-25T03:30:00 | kids_room/kids_room_occupancy | OccupancySensing.Occupancy=0

2026-06-25T03:30:00 | master_bathroom/master_bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-25T03:30:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-25T04:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-25T04:00:00 | dining_room/dining_room_occupancy | OccupancySensing.Occupancy=0

2026-06-25T04:00:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-25T04:00:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-25T04:00:00 | kids_room/kids_room_occupancy | OccupancySensing.Occupancy=0

2026-06-25T04:00:00 | master_bathroom/master_bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-25T04:00:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-25T04:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-25T04:30:00 | dining_room/dining_room_occupancy | OccupancySensing.Occupancy=0

2026-06-25T04:30:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-25T04:30:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-25T04:30:00 | kids_room/kids_room_occupancy | OccupancySensing.Occupancy=0

2026-06-25T04:30:00 | master_bathroom/master_bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-25T04:30:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-25T05:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-25T05:00:00 | dining_room/dining_room_occupancy | OccupancySensing.Occupancy=0

2026-06-25T05:00:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-25T05:00:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-25T05:00:00 | kids_room/kids_room_occupancy | OccupancySensing.Occupancy=0

2026-06-25T05:00:00 | master_bathroom/master_bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-25T05:00:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-25T05:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-25T05:30:00 | dining_room/dining_room_occupancy | OccupancySensing.Occupancy=0

2026-06-25T05:30:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

master_bedroom/master_bedroom_occupancy: occupancy_updates=224, occupied_events=210, first=2026-06-25T00:00:00, last=2026-06-25T23:53:11

kids_room/kids_room_occupancy: occupancy_updates=224, occupied_events=211, first=2026-06-25T00:00:00, last=2026-06-25T23:50:03

dining_room/dining_room_occupancy: occupancy_updates=217, occupied_events=202, first=2026-06-25T00:00:00, last=2026-06-25T23:51:03

entrance/entrance_occupancy: occupancy_updates=213, occupied_events=197, first=2026-06-25T00:00:00, last=2026-06-25T23:53:03

living_room/living_room_occupancy: occupancy_updates=109, occupied_events=73, first=2026-06-25T00:00:00, last=2026-06-25T23:53:02

master_bathroom/master_bathroom_occupancy: occupancy_updates=52, occupied_events=4, first=2026-06-25T00:00:00, last=2026-06-25T23:39:46

second_bedroom/second_bedroom_occupancy: occupancy_updates=48, occupied_events=0, first=2026-06-25T00:00:00, last=2026-06-25T23:30:00

2026-06-25T06:40:10 | kitchen/kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue=None

2026-06-25T07:11:00 | kitchen/kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue=None

2026-06-25T14:12:05 | entrance/front_door_lock | Event:LockOperationError(OperationError=1, OperationSource=3)

2026-06-25T14:12:15 | entrance/front_door_lock | Event:LockOperationError(OperationError=1, OperationSource=3)

2026-06-25T18:19:00 | kitchen/kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue=None

2026-06-25T18:57:00 | kitchen/kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue=None

Explicit protocol-level error indicating a mechanical or logical failure during a lock operation attempt.

Repetition of the same error state within 10 seconds suggests a persistent fault rather than a transient glitch, potentially leaving the door in an uncertain security state (unlocked or jammed).

Explanation: The presence of repeated LockOperationError events directly contradicts the assumption that the entry point is secure. While occupancy sensors show activity throughout the day, the specific failure of the primary physical barrier (front door) at 14:12 creates a critical window where unauthorized access could occur if the lock failed to engage, or a safety hazard if it jammed shut while someone was trapped or needed emergency exit.

entrance_occupancy shows continuous activity patterns consistent with normal household use, ruling out total system outage.

No subsequent successful LockState changes are visible in the immediate vicinity of the error in the provided chunks, implying the state may remain unresolved or ambiguous.

The prosecution presents direct evidence of a hardware or firmware malfunction in the entrance door lock, evidenced by two consecutive LockOperationError events at 14:12:05 and 14:12:15. This indicates a failure in the locking mechanism's ability to secure the perimeter, posing a significant risk of unauthorized intrusion or entrapment. The recurrence of the error confirms a persistent device fault rather than a momentary network hiccup.

The repeated LockOperationError events at 14:12 indicate a persistent hardware/firmware malfunction leaving the door in an uncertain security state.

While the error events are real, interpreting them as a 'persistent fault' or 'uncertain security state' is a logical leap. In Matter/Smart Home ecosystems, lock operation errors (especially OperationSource=3, often indicating user interaction or remote command conflict) frequently occur due to transient mechanical resistance (e.g., sticky latch), low battery voltage sag during motor actuation, or network latency causing duplicate commands. The presence of subsequent occupancy activity and lack of further alarms suggests the system recovered or the user manually resolved it. Without evidence of the lock remaining in a failed state (e.g., stuck open/closed) or continued errors, assuming a permanent breach risk is over-interpretation.

Event logs show no subsequent LockState changes or errors after 14:12:15 in the provided chunks, but also no explicit 'Lock Failed' or 'Door Open' alarm that would confirm a compromised perimeter.

Occupancy sensors in the entrance and other rooms continue to report normal activity patterns throughout the day, implying the household was operational and likely aware of any major physical barrier failure.

Matter protocol specifications allow for transient operation errors that do not necessarily equate to a permanent device fault requiring replacement.

Two events within 10 seconds can easily result from a single user action triggering a retry mechanism (e.g., app lag causing double-tap) or a mechanical jam that cleared on the second attempt. It does not prove a 'persistent' fault in the sense of a broken component. A true persistent fault would typically manifest as continuous inability to lock/unlock or repeated failures over a longer period, not just two isolated incidents.

The time delta (10 seconds) is consistent with UI retry logic or manual re-attempt by a user.

No other devices reported simultaneous faults, suggesting the issue was localized to the lock's immediate environment or power draw.

The home experienced a transient lock operation error at 14:12, likely caused by mechanical friction, low battery voltage during actuation, or a network retry loop. There is no evidence of a sustained security breach or device failure, as occupancy patterns remained normal and no further critical alarms were triggered. The system appears to have recovered, and the incident should be monitored for recurrence rather than treated as a confirmed compromise.

There was indeed a LockOperationError event at 14:12:05 and 14:12:15, which indicates a temporary failure in the locking mechanism's operation.

The kitchen temperature sensor reported 'None' values at multiple points (06:40, 07:11, 18:19, 18:57), indicating intermittent connectivity or sensor issues, though this is less critical than the lock error.

## Query
以下是家庭设备的综合状态报告。请综合分析所有信息，判断家庭当前的安全状况，指出任何潜在风险。

## Query Profile
composite-safety

## 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: 三室两厅 (3BR)
- balcony: 洗衣机<laundry_washer>, 阳台灯<onoff_light>, 阳台门传感器<contact_sensor>
- dining_room: 餐厅灯<dimmable_light>, 餐厅运动传感器<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>
- kids_room: 儿童房温度传感器<temperature_sensor>, 儿童房灯<dimmable_light>, 儿童房窗帘<window_covering>, 儿童房窗户传感器<contact_sensor>, 儿童房运动传感器<occupancy_sensor>
- kitchen: 厨房温度传感器<temperature_sensor>, 厨房漏水传感器<water_leak_detector>, 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>, 客厅副灯<dimmable_light>, 客厅氛围灯<onoff_light>, 客厅温度传感器<temperature_sensor>, 客厅烟雾报警器<smoke_co_alarm>, 客厅空调<air_conditioner>, 客厅窗帘1<window_covering>, 客厅窗户传感器1<contact_sensor>, 客厅窗户传感器2<contact_sensor>, 客厅运动传感器<occupancy_sensor>
- master_bathroom: 主卫漏水传感器<water_leak_detector>, 主卫灯<onoff_light>, 主卫运动传感器<occupancy_sensor>
- master_bedroom: 主卧床头灯<onoff_light>, 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_bathroom: 次卫漏水传感器<water_leak_detector>, 次卫灯<onoff_light>
- second_bedroom: 次卧灯<dimmable_light>, 次卧空调<air_conditioner>, 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, 'kids_room': 518, 'kitchen': 303, 'dining_room': 221, 'second_bedroom': 48, 'master_bathroom': 54, 'entrance': 230, 'second_bathroom': 1}, 'attribute_frequency': {'MeasuredValue': 1156, 'Occupancy': 1087, 'OnOff': 26, 'StateValue': 7, 'LockState': 5, 'CurrentPositionLiftPercent100ths': 3, 'SystemMode': 1, 'OperationalState': 1}, 'lock_state_flips': 5, 'occupancy_events': 1087, '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': 'C09', 'start_ts': '2026-06-25T09:27:20', 'end_ts': '2026-06-25T10:13:00',


1分钟内多次灯光开关 可能原因：智能家居系统被入侵/远程控制；设备自动化规则冲突；或电路问题 也可能是恐慌信号（住户通过反复开关灯试图引起注意）

通知住户检查是否有人误操作或系统异常

moderate - establishes a pattern of null values but lacks evidence of hardware failure or safety impact.

strong - provides a plausible technical explanation (transient network/power issues) supported by the resumption of valid data and the presence of redundant safety devices (smoke/CO alarm).

The Defender successfully refutes the 'malfunction' claim by demonstrating that the device resumed normal operation immediately after the gaps, indicating transient connectivity issues rather than persistent hardware failure. Furthermore, the defense correctly identifies that the primary safety mechanism (smoke/CO alarm) was functional and untriggered, negating the alleged safety risk.

No anomaly detected; observed null readings are attributed to transient communication drops in a functioning sensor system with adequate redundant safety coverage.

Monitor kitchen temperature sensor for recurrence of null values.

Verify Wi-Fi signal strength in the kitchen area if nulls persist.

Question: 以下是家庭设备的综合状态报告。请综合分析所有信息，判断家庭当前的安全状况，指出任何潜在风险。

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

[2026-06-23T17:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.31 C (raw=2331)

[2026-06-23T17:50:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.25 C (raw=2325)

[2026-06-23T17:50:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.26 C (raw=2326)

[2026-06-23T17:50:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.41 C (raw=2341)

[2026-06-23T17:50:03] entrance_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-23T17:52:00] master_bedroom_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-23T17:55:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.28 C (raw=2328)

[2026-06-23T17:55:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.22 C (raw=2322)

[2026-06-23T17:55:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.23 C (raw=2323)

[2026-06-23T17:55:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.22 C (raw=2322)

[2026-06-23T17:55:03] entrance_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-23T17:57:00] master_bedroom_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-23T19:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.89 C (raw=2289)

[2026-06-23T19:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.89 C (raw=2289)

[2026-06-23T19:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.76 C (raw=2276)

[2026-06-23T19:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-23T19:30:00] bathroom_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-23T19:32:00] master_bedroom_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-23T19:32:03] entrance_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-23T19:32:08] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-23T19:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.75 C (raw=2275)

[2026-06-23T19:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.89 C (raw=2289)

[2026-06-23T19:35:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.72 C (raw=2272)

[2026-06-23T19:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.77 C (raw=2277)

[2026-06-23T20:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.58 C (raw=2258)

[2026-06-23T20:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.57 C (raw=2257)

[2026-06-23T20:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.61 C (raw=2261)

[2026-06-23T20:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.71 C (raw=2271)

[2026-06-23T20:27:00] master_bedroom_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-23T20:27:03] entrance_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-23T20:27:08] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-23T20:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.68 C (raw=2268)

[2026-06-23T20:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.65 C (raw=2265)

[2026-06-23T20:30:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.71 C (raw=2271)

[2026-06-23T20:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.71 C (raw=2271)

[2026-06-23T20:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-23T21:17:08] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-23T21:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.44 C (raw=2244)

[2026-06-23T21:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.47 C (raw=2247)

[2026-06-23T21:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.49 C (raw=2249)

[2026-06-23T21:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.46 C (raw=2246)

[2026-06-23T21:22:00] master_bedroom_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-23T21:22:03] entrance_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-23T21:22:08] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-23T21:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.52 C (raw=2252)

[2026-06-23T21:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.53 C (raw=2253)

[2026-06-23T21:25:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.62 C (raw=2262)

[2026-06-23T21:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.62 C (raw=2262)

[2026-06-23T22:12:03] entrance_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-23T22:12:08] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-23T22:15:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.42 C (raw=2242)

[2026-06-23T22:15:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.42 C (raw=2242)

[2026-06-23T22:15:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.48 C (raw=2248)

[2026-06-23T22:15:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.46 C (raw=2246)

[2026-06-23T22:17:00] master_bedroom_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-23T22:17:03] entrance_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-23T22:17:08] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-23T22:20:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.41 C (raw=2241)

[2026-06-23T22:20:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.41 C (raw=2241)

[2026-06-23T22:20:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.45 C (raw=2245)

[2026-06-23T23:00:00] bathroom_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-23T23:02:03] entrance_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-23T23:02:08] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-23T23:03:12] master_bedroom_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-23T23:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.52 C (raw=2252)

[2026-06-23T23:05:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.50 C (raw=2250)

[2026-06-23T23:05:00] second_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.58 C (raw=2258)

[2026-06-23T23:05:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.51 C (raw=2251)

[2026-06-23T23:07:03] entrance_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-23T23:07:08] living_room_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-23T23:08:12] master_bedroom_occupancy | OccupancySensing.Occupancy = occupied (raw=1)

[2026-06-23T23:10:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.60 C (raw=2260)

2026-06-23T00:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-23T00:00:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T00:00:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T00:00:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T00:00:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-23T00:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-23T00:30:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T00:30:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T00:30:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T00:30:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-23T01:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-23T01:00:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T01:00:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T01:00:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T01:00:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-23T01:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-23T01:30:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T01:30:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T01:30:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T01:30:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-23T02:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-23T02:00:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T02:00:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T02:00:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T02:00:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-23T02:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-23T02:30:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T02:30:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T02:30:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T02:30:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-23T03:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-23T03:00:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T03:00:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T03:00:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T03:00:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-23T03:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-23T03:30:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T03:30:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T03:30:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T03:30:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-23T04:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-23T04:00:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T04:00:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T04:00:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T04:00:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-23T04:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-23T04:30:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T04:30:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T04:30:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T04:30:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-23T05:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-23T05:00:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T05:00:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T05:00:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T05:00:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-23T05:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-23T05:30:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T05:30:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T05:30:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T05:30:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-23T06:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-23T06:00:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T06:00:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T06:00:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T06:00:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-23T06:22:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=1

2026-06-23T06:22:10 | master_bedroom/master_bedroom_light | OnOff.OnOff=True

2026-06-23T06:27:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=1

2026-06-23T06:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-23T06:30:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T06:30:00 | bathroom/bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-23T06:30:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-23T06:32:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=1

2026-06-23T06:37:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=1

2026-06-23T06:42:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=1

2026-06-23T06:47:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=1

2026-06-23T06:52:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=1

2026-06-23T06:57:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=1

2026-06-23T06:59:06 | kitchen/kitchen_light | OnOff.OnOff=True

2026-06-23T06:59:36 | kitchen/kitchen_cook_surface | OnOff.OnOff=True

master_bedroom/master_bedroom_occupancy: occupancy_updates=225, occupied_events=212, first=2026-06-23T00:00:00, last=2026-06-23T23:53:12

entrance/entrance_occupancy: occupancy_updates=214, occupied_events=199, first=2026-06-23T00:00:00, last=2026-06-23T23:52:03

living_room/living_room_occupancy: occupancy_updates=107, occupied_events=70, first=2026-06-23T00:00:00, last=2026-06-23T23:52:08

second_bedroom/second_bedroom_occupancy: occupancy_updates=48, occupied_events=0, first=2026-06-23T00:00:00, last=2026-06-23T23:30:00

bathroom/bathroom_occupancy: occupancy_updates=48, occupied_events=0, first=2026-06-23T00:00:00, last=2026-06-23T23:30:00

2026-06-23T07:00:06 | kitchen/kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue=None

2026-06-23T07:03:00 | kitchen/kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue=None

2026-06-23T18:47:00 | kitchen/kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue=None

2026-06-23T19:10:00 | kitchen/kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue=None

Explicit null value indicates a communication failure or sensor hardware fault, breaking the data stream.

Recurrent null values within a short window (3 minutes) suggest a persistent fault rather than a transient glitch.

Recurrence of null values later in the day confirms an intermittent but recurring malfunction pattern.

Continued failure to report valid temperature data, indicating the device is not functioning correctly for safety monitoring.

Explanation: The kitchen smoke/CO alarm and cook surface are critical safety devices. A malfunctioning temperature sensor in the same room may indicate broader environmental instability or network issues affecting the kitchen zone, potentially compromising the reliability of other sensors or the user's ability to monitor thermal conditions accurately.

kitchen/kitchen_cook_surface | OnOff.OnOff=True at 06:59:36

kitchen/smoke_co_alarm present in layout

Explanation: While other rooms show stable occupancy and temperature trends, the specific and repeated failure of the kitchen sensor creates a blind spot in the home's security and safety monitoring capabilities during periods when the kitchen is active (e.g., morning cooking).

entrance_occupancy occupied events throughout the day

The evidence establishes a clear pattern of sensor malfunction for the kitchen temperature sensor, characterized by multiple instances of null readings on June 23rd between 07:00 and 19:10. This constitutes a direct failure of a monitoring device, creating a gap in situational awareness regarding potential thermal hazards or environmental changes in the kitchen area. Although no immediate fire or intrusion is detected, the persistent inability of the sensor to report valid data represents a significant degradation of the home's automated safety infrastructure.

The kitchen temperature sensor is malfunctioning due to multiple instances of null readings (MeasuredValue=None) at 07:00, 07:03, 18:47, and 19:10.

The presence of 'None' values in smart home logs typically indicates a temporary communication drop, a scheduled device sleep cycle, or a brief network interruption rather than permanent hardware failure. Crucially, the sensor resumes reporting valid data immediately after these gaps (e.g., valid readings appear in chunks C16-C22 which cover the evening period). A true 'malfunction' would imply a persistent inability to report, whereas this shows intermittent availability consistent with normal IoT device behavior (e.g., low-power mode or Wi-Fi reconnection).

Valid temperature readings are present in all subsequent chunks (C16-C22) for the kitchen sensor.

The pattern of missing data points is sparse (4 instances over 24 hours) compared to the high frequency of successful updates (288 samples total).

No explicit 'fault' or 'alarm' event is logged for the sensor itself, only the absence of value.

The sensor malfunction creates a critical blind spot compromising safety monitoring, especially given the cook surface usage.

This claim over-interprets the role of a *temperature* sensor in fire safety. The primary safety device for cooking hazards is the Smoke/CO Alarm, not the ambient temperature sensor. The layout confirms the presence of a `kitchen/smoke_co_alarm`. There is no evidence that the smoke alarm is faulty or silent. Furthermore, the cook surface was turned on briefly in the morning (06:59), but there are no subsequent alerts from the smoke detector, implying the environment remained safe. Relying on a temperature sensor for immediate fire detection is less standard than relying on smoke/CO detectors; thus, its intermittent unavailability does not constitute a critical safety breach.

No smoke or CO alarm events were triggered during or after cook surface usage.

Temperature sensors generally have slower response times to acute fires compared to smoke detectors.

Recurrent null values suggest a persistent fault breaking the data stream.

The term 'persistent fault' implies a continuous state of failure. The evidence shows the failures are discrete events separated by hours. Between 07:03 and 18:47, the sensor functioned normally. This episodic nature is characteristic of transient network issues or power-saving behaviors, not a broken component. The 'data stream' was not broken; it was temporarily paused.

Gap between first error (07:03) and next error (18:47) is >11 hours.

Sensor reports valid data in the evening chunks (C16-C22).

The home environment is stable and secure. The kitchen temperature sensor experienced minor, transient communication drops or entered low-power states at specific times, but resumed normal operation immediately, providing consistent data throughout the rest of the day. Critical safety devices like the smoke/CO alarm showed no signs of distress or activation, indicating no actual thermal hazard occurred despite the cook surface being used. The occupancy patterns reflect typical daily routines with no unauthorized access detected.

The kitchen temperature sensor did fail to report values at four specific timestamps, representing a temporary loss of telemetry for that specific metric.

## Query
以下是家庭设备的综合状态报告。请综合分析所有信息，判断家庭当前的安全状况，指出任何潜在风险。

## Query Profile
composite-safety

## 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': 407, 'master_bedroom': 517, 'second_bedroom': 336, 'kitchen': 303, 'bathroom': 48, 'entrance': 229}, 'attribute_frequency': {'MeasuredValue': 1156, 'Occupancy': 642, 'OnOff': 22, 'StateValue': 7, 'LockState': 5, 'SystemMode': 1, 'OperationalState': 1, 'CurrentPositionLiftPercent100ths': 1}, 'lock_state_flips': 5, 'occupancy_events': 642, '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': '2026-06-23T17:50:00', 'end_ts': '2026-06-23T18:40:00', 'event_count': 80, 'rooms': {'living_room': 22, 'master_bedroom': 20, 'second_bedroom': 12, 'kitchen': 10, 'entrance': 14, 'bathroom': 2}, 'top_devices': ['living_room_temp_sensor', 'entrance_occupancy', 'master_bedroom_temp_sensor', 'second_bedroom_temp_sensor', 'kitchen_temp_sensor', 'master_bedroom_occupancy'], 'alarmish_count': 34, 'preview_lines': ['[2026-06-23T17:50:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.31 C (raw=233


工作日上午学校时段
家长已出门（LockOperation 记录）
仅儿童房有活动信号，其他房间无人
活动模式像小孩（仅在一个房间）

通知家长确认孩子是否生病在家/逃学

weak - relies on indirect correlation (temperature) and statistical improbability rather than direct evidence of failure; fails to account for the house being empty.

strong - provides a coherent alternative narrative (house unoccupied) supported by corroborating logs (no lock flips, no contact sensor events) and explains away temperature changes as diurnal cycles.

The Defense successfully refuted the Prosecutor's core assumption that occupancy sensors *must* detect presence if temperatures change. The absence of entry/exit events (locks/contacts) combined with static '0' occupancy strongly supports the 'unoccupied home' scenario over a 'sensor stuck' failure.

No anomaly detected; the system behavior is consistent with an unoccupied residence experiencing normal environmental temperature fluctuations.

Verify resident status via external communication if security concern persists.

Review sensor calibration only if future logs show contradictions with known occupancy.

Question: 以下是家庭设备的综合状态报告。请综合分析所有信息，判断家庭当前的安全状况，指出任何潜在风险。

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.

[2026-06-21T00:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.78 C (raw=2278)

[2026-06-21T00:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.62 C (raw=2262)

[2026-06-21T00:00:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.71 C (raw=2271)

[2026-06-21T00:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.76 C (raw=2276)

[2026-06-21T00:00:00] living_room_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-21T00:00:00] dining_room_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-21T00:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-21T00:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-21T00:00:00] kids_room_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-21T00:00:00] master_bathroom_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-21T00:00:00] entrance_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-21T00:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 22.63 C (raw=2263)

[2026-06-21T06:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 24.85 C (raw=2485)

[2026-06-21T06:25:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 24.96 C (raw=2496)

[2026-06-21T06:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 24.90 C (raw=2490)

[2026-06-21T06:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 24.82 C (raw=2482)

[2026-06-21T06:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 24.86 C (raw=2486)

[2026-06-21T06:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 24.94 C (raw=2494)

[2026-06-21T06:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 24.88 C (raw=2488)

[2026-06-21T06:30:00] living_room_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-21T06:30:00] dining_room_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-21T06:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-21T06:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-21T06:30:00] kids_room_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-21T09:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 25.41 C (raw=2541)

[2026-06-21T09:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 25.52 C (raw=2552)

[2026-06-21T09:00:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 25.53 C (raw=2553)

[2026-06-21T09:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 25.38 C (raw=2538)

[2026-06-21T09:00:00] living_room_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-21T09:00:00] dining_room_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-21T09:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-21T09:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-21T09:00:00] kids_room_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-21T09:00:00] master_bathroom_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-21T09:00:00] entrance_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-21T09:00:00] kids_room_occupancy | Occupancy = 1

[2026-06-21T11:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 25.47 C (raw=2547)

[2026-06-21T11:30:00] living_room_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-21T11:30:00] dining_room_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-21T11:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-21T11:30:00] second_bedroom_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-21T11:30:00] kids_room_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-21T11:30:00] master_bathroom_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-21T11:30:00] entrance_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-21T11:35:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 25.31 C (raw=2531)

[2026-06-21T11:35:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 25.43 C (raw=2543)

[2026-06-21T11:35:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 25.41 C (raw=2541)

[2026-06-21T11:35:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 25.43 C (raw=2543)

[2026-06-21T15:20:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 24.30 C (raw=2430)

[2026-06-21T15:25:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 24.23 C (raw=2423)

[2026-06-21T15:25:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 24.23 C (raw=2423)

[2026-06-21T15:25:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 24.14 C (raw=2414)

[2026-06-21T15:25:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 24.21 C (raw=2421)

[2026-06-21T15:30:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 24.19 C (raw=2419)

[2026-06-21T15:30:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 24.16 C (raw=2416)

[2026-06-21T15:30:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 24.22 C (raw=2422)

[2026-06-21T15:30:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 24.19 C (raw=2419)

[2026-06-21T15:30:00] living_room_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-21T15:30:00] dining_room_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-21T15:30:00] master_bedroom_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-21T18:00:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.33 C (raw=2333)

[2026-06-21T18:00:00] master_bedroom_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.34 C (raw=2334)

[2026-06-21T18:00:00] kids_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.16 C (raw=2316)

[2026-06-21T18:00:00] kitchen_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.24 C (raw=2324)

[2026-06-21T18:00:00] living_room_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-21T18:00:00] dining_room_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-21T18:00:00] master_bedroom_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-21T18:00:00] second_bedroom_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-21T18:00:00] kids_room_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-21T18:00:00] master_bathroom_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-21T18:00:00] entrance_occupancy | OccupancySensing.Occupancy = unoccupied (raw=0)

[2026-06-21T18:05:00] living_room_temp_sensor | TemperatureMeasurement.MeasuredValue = 23.24 C (raw=2324)

2026-06-21T00:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-21T00:00:00 | dining_room/dining_room_occupancy | OccupancySensing.Occupancy=0

2026-06-21T00:00:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-21T00:00:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-21T00:00:00 | kids_room/kids_room_occupancy | OccupancySensing.Occupancy=0

2026-06-21T00:00:00 | master_bathroom/master_bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-21T00:00:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-21T00:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-21T00:30:00 | dining_room/dining_room_occupancy | OccupancySensing.Occupancy=0

2026-06-21T00:30:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-21T00:30:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-21T00:30:00 | kids_room/kids_room_occupancy | OccupancySensing.Occupancy=0

2026-06-21T00:30:00 | master_bathroom/master_bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-21T00:30:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-21T01:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-21T01:00:00 | dining_room/dining_room_occupancy | OccupancySensing.Occupancy=0

2026-06-21T01:00:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-21T01:00:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-21T01:00:00 | kids_room/kids_room_occupancy | OccupancySensing.Occupancy=0

2026-06-21T01:00:00 | master_bathroom/master_bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-21T01:00:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-21T01:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-21T01:30:00 | dining_room/dining_room_occupancy | OccupancySensing.Occupancy=0

2026-06-21T01:30:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-21T01:30:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-21T01:30:00 | kids_room/kids_room_occupancy | OccupancySensing.Occupancy=0

2026-06-21T01:30:00 | master_bathroom/master_bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-21T01:30:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-21T02:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-21T02:00:00 | dining_room/dining_room_occupancy | OccupancySensing.Occupancy=0

2026-06-21T02:00:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-21T02:00:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-21T02:00:00 | kids_room/kids_room_occupancy | OccupancySensing.Occupancy=0

2026-06-21T02:00:00 | master_bathroom/master_bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-21T02:00:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-21T02:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-21T02:30:00 | dining_room/dining_room_occupancy | OccupancySensing.Occupancy=0

2026-06-21T02:30:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-21T02:30:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-21T02:30:00 | kids_room/kids_room_occupancy | OccupancySensing.Occupancy=0

2026-06-21T02:30:00 | master_bathroom/master_bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-21T02:30:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-21T03:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-21T03:00:00 | dining_room/dining_room_occupancy | OccupancySensing.Occupancy=0

2026-06-21T03:00:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-21T03:00:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-21T03:00:00 | kids_room/kids_room_occupancy | OccupancySensing.Occupancy=0

2026-06-21T03:00:00 | master_bathroom/master_bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-21T03:00:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-21T03:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-21T03:30:00 | dining_room/dining_room_occupancy | OccupancySensing.Occupancy=0

2026-06-21T03:30:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-21T03:30:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-21T03:30:00 | kids_room/kids_room_occupancy | OccupancySensing.Occupancy=0

2026-06-21T03:30:00 | master_bathroom/master_bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-21T03:30:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-21T04:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-21T04:00:00 | dining_room/dining_room_occupancy | OccupancySensing.Occupancy=0

2026-06-21T04:00:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-21T04:00:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-21T04:00:00 | kids_room/kids_room_occupancy | OccupancySensing.Occupancy=0

2026-06-21T04:00:00 | master_bathroom/master_bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-21T04:00:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-21T04:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-21T04:30:00 | dining_room/dining_room_occupancy | OccupancySensing.Occupancy=0

2026-06-21T04:30:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-21T04:30:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-21T04:30:00 | kids_room/kids_room_occupancy | OccupancySensing.Occupancy=0

2026-06-21T04:30:00 | master_bathroom/master_bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-21T04:30:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-21T05:00:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-21T05:00:00 | dining_room/dining_room_occupancy | OccupancySensing.Occupancy=0

2026-06-21T05:00:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-21T05:00:00 | second_bedroom/second_bedroom_occupancy | OccupancySensing.Occupancy=0

2026-06-21T05:00:00 | kids_room/kids_room_occupancy | OccupancySensing.Occupancy=0

2026-06-21T05:00:00 | master_bathroom/master_bathroom_occupancy | OccupancySensing.Occupancy=0

2026-06-21T05:00:00 | entrance/entrance_occupancy | OccupancySensing.Occupancy=0

2026-06-21T05:30:00 | living_room/living_room_occupancy | OccupancySensing.Occupancy=0

2026-06-21T05:30:00 | dining_room/dining_room_occupancy | OccupancySensing.Occupancy=0

2026-06-21T05:30:00 | master_bedroom/master_bedroom_occupancy | OccupancySensing.Occupancy=0

kids_room/kids_room_occupancy: occupancy_updates=49, occupied_events=1, first=2026-06-21T00:00:00, last=2026-06-21T23:30:00

living_room/living_room_occupancy: occupancy_updates=48, occupied_events=0, first=2026-06-21T00:00:00, last=2026-06-21T23:30:00

dining_room/dining_room_occupancy: occupancy_updates=48, occupied_events=0, first=2026-06-21T00:00:00, last=2026-06-21T23:30:00

master_bedroom/master_bedroom_occupancy: occupancy_updates=48, occupied_events=0, first=2026-06-21T00:00:00, last=2026-06-21T23:30:00

second_bedroom/second_bedroom_occupancy: occupancy_updates=48, occupied_events=0, first=2026-06-21T00:00:00, last=2026-06-21T23:30:00

master_bathroom/master_bathroom_occupancy: occupancy_updates=48, occupied_events=0, first=2026-06-21T00:00:00, last=2026-06-21T23:30:00

entrance/entrance_occupancy: occupancy_updates=48, occupied_events=0, first=2026-06-21T00:00:00, last=2026-06-21T23:30:00

living_room_occupancy, dining_room_occupancy, master_bedroom_occupancy, second_bedroom_occupancy, kids_room_occupancy, master_bathroom_occupancy, entrance_occupancy

All 7 occupancy sensors in the home reported 'unoccupied' (raw=0) continuously for over 23 hours, with zero transitions to occupied state despite normal temperature fluctuations indicating potential ambient activity or HVAC cycling.

The complete lack of occupancy detection across all zones is statistically improbable for a residential setting and suggests a systemic failure of the occupancy sensing subsystem.

A single transient event recorded `Occupancy = 1` amidst a background of persistent `0` states in other rooms and this room's previous/next logs.

This isolated spike confirms that the sensor hardware is capable of detecting presence, but the system-wide logic or reporting mechanism failed to sustain or propagate this state, reinforcing the 'stuck' or 'failing' diagnosis rather than total absence of people.

Explanation: Temperature sensors show normal diurnal variation (e.g., rising from ~22.7°C at midnight to ~25.4°C by midday), which typically correlates with human presence or active HVAC usage. The disconnect between environmental changes (temperature) and occupancy status (static 0) indicates the occupancy sensors are not reflecting reality.

Explanation: The 'alarmish_count' of ~21 per chunk combined with static occupancy data suggests the system may be generating noise or false alerts due to inconsistent state updates, or the 'alarmish' events are related to the temperature monitoring while occupancy remains blind.

chunk C00 alarmish_count: 21
chunk C07 alarmish_count: 22

The evidence strongly indicates a systemic 'sensor_stuck' anomaly where all primary occupancy sensors in the residence have been stuck in the 'unoccupied' state for nearly 24 hours. This is evidenced by the continuous stream of '0' values across all rooms, contradicted only by a single transient '1' in the kids' room, while temperature data confirms the environment is changing as if occupied. This failure compromises the home's security posture by disabling motion-based intrusion detection and automation triggers.

All 7 occupancy sensors reported 'unoccupied' (0) continuously for over 23 hours, which is statistically improbable and suggests a systemic failure.

The data explicitly shows that the house was unoccupied. The 'Key Events' log lists only 'Occupancy=0' events from midnight to early morning. Furthermore, the 'room_activity' metric is near zero for all rooms except the kitchen (288), living room (336), etc., but these activity counts likely represent sensor polling or temperature updates, not human presence, as confirmed by the static '0' occupancy state. A home can be completely empty for 24 hours (e.g., residents on vacation or at work/school with no one returning). The lack of '1' states is consistent with an empty house, not a sensor fault.

Key Events: All entries from 00:00 to 05:30 are Occupancy=0.

room_activity: While non-zero, it correlates with temperature sensor polling frequency (high sample count), not motion detection.

Layout/Context: No door lock flips (lock_state_flips: 0) and no contact sensor open/close events indicating entry/exit.

A single transient event in kids_room_occupancy (Occupancy=1) amidst persistent 0s confirms hardware capability but system logic failure/stuck state.

This single event is better explained as a false positive or a brief, isolated detection (e.g., pet movement, HVAC airflow triggering PIR, or sensor noise) rather than proof of a 'stuck' system. If the system were 'stuck' or failing to propagate state, we would expect *no* transitions or erratic flipping. A single valid '1' followed by return to '0' indicates the sensor is functioning correctly: it detected something briefly and then correctly returned to idle when the stimulus passed. It does not prove the other sensors are broken; it proves this specific sensor works.

kids_room/kids_room_occupancy: occupied_events=1, first=..., last=... (implies short duration).

No other rooms show any '1' events, supporting the narrative that the rest of the house was indeed empty.

Temperature fluctuations (rising to ~25.4°C) correlate with human presence/HVAC usage, contradicting the static '0' occupancy.

Temperature changes are driven by external ambient conditions (diurnal cycle) and passive thermal mass, not just human presence. The logs show temperatures rising from ~22.7°C at night to ~25.4°C during the day. This is a normal diurnal rise for a residential building, especially if windows are closed or insulation is good. There is no evidence of active HVAC cycling (no AC device commands seen in the snippets) or heat sources like cooking (kitchen temp also rises normally). Therefore, temperature trends do not require human presence to explain.

Temperature Trends: Max temps reached ~25.5°C, min ~22.4°C. This is a typical daily swing.

No 'air_conditioner' or 'cook_surface' active events linked to temperature spikes in the provided chunks.

Matter Notes: TemperatureMeasurement.MeasuredValue is standard environmental data.

High 'alarmish_count' (~21 per chunk) combined with static occupancy suggests noise/false alerts due to inconsistent state updates.

The term 'alarmish' is ambiguous without explicit alarm events. However, given the high volume of temperature measurements (1152 samples) and the fact that chunks contain 80 events each, many of these 'alarmish' flags may be related to threshold checks on temperature or simple heartbeat/polling acknowledgments rather than security alarms. Without explicit 'smoke_co_alarm' or 'water_leak_detector' triggers, assuming these are security-relevant anomalies is an over-interpretation. The primary safety devices (smoke, water leak) show no alerts.

Top devices in chunks are primarily temperature sensors and occupancy sensors, suggesting routine monitoring traffic.

The smart home logs depict a residence that was entirely unoccupied for the recorded 24-hour period. The consistent '0' occupancy readings across all zones are accurate reflections of the empty state, corroborated by the absence of door lock operations or contact sensor activations. The observed temperature increases represent a normal diurnal cycle influenced by external weather, not internal human activity. The single transient occupancy event in the kids' room is likely a minor false positive (e.g., pet or air current) and does not indicate a systemic sensor failure.

The single 'Occupancy=1' event in the kids' room is a real signal, but it is best interpreted as a brief false positive or isolated detection rather than evidence of a stuck system.

## Query
以下是家庭设备的综合状态报告。请综合分析所有信息，判断家庭当前的安全状况，指出任何潜在风险。

## Query Profile
composite-safety

## 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: 三室两厅 (3BR)
- balcony: 洗衣机<laundry_washer>, 阳台灯<onoff_light>, 阳台门传感器<contact_sensor>
- dining_room: 餐厅灯<dimmable_light>, 餐厅运动传感器<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>
- kids_room: 儿童房温度传感器<temperature_sensor>, 儿童房灯<dimmable_light>, 儿童房窗帘<window_covering>, 儿童房窗户传感器<contact_sensor>, 儿童房运动传感器<occupancy_sensor>
- kitchen: 厨房温度传感器<temperature_sensor>, 厨房漏水传感器<water_leak_detector>, 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>, 客厅副灯<dimmable_light>, 客厅氛围灯<onoff_light>, 客厅温度传感器<temperature_sensor>, 客厅烟雾报警器<smoke_co_alarm>, 客厅空调<air_conditioner>, 客厅窗帘1<window_covering>, 客厅窗户传感器1<contact_sensor>, 客厅窗户传感器2<contact_sensor>, 客厅运动传感器<occupancy_sensor>
- master_bathroom: 主卫漏水传感器<water_leak_detector>, 主卫灯<onoff_light>, 主卫运动传感器<occupancy_sensor>
- master_bedroom: 主卧床头灯<onoff_light>, 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_bathroom: 次卫漏水传感器<water_leak_detector>, 次卫灯<onoff_light>
- second_bedroom: 次卧灯<dimmable_light>, 次卧空调<air_conditioner>, 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': 336, 'master_bedroom': 336, 'kids_room': 338, 'kitchen': 288, 'dining_room': 48, 'second_bedroom': 48, 'master_bathroom': 48, 'entrance': 50}, 'attribute_frequency': {'MeasuredValue': 1152, 'Occupancy': 337, 'OnOff': 1}, 'lock_state_flips': 0, 'occupancy_events': 337, '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': 'C00', 'start_ts': '2026-06-21T00:00:00', 'end_ts': '2026-06-21T01:10:00', 'event_count': 80, 'rooms': {'living_room': 18, 'master_bedroom': 18, 'kids_room': 18, 'kitchen': 14, 'dining_room': 3, 'second_bedroom':