fix: use live MICOM speed on dashboard

NiroTelemetrySnapshot.php

@@ -52,8 +52,11 @@ final class NiroTelemetrySnapshot
             'ignition' => 'system_root_ign',
             'reverse' => 'system_root_reverse',
             'parking' => 'system_root_parking',
-            'gear' => 'system_individualdrivemode_gear_status',
+            // The IndividualDriveMode block is a persisted/default structure on
-            'speed' => 'system_individualdrivemode_vehicle_speed',
+            // V038.  Its Vehicle Speed and Gear Status stay at 0/P while the car
+            // is moving.  The root fields are the live MICOM callbacks.
+            'gear' => 'system_root_gear',
+            'speed' => 'system_root_speed',
             'previous_speed' => 'system_root_prevspeed',
             'parking_brake' => 'system_root_mparkingbrakestatus',
             'camera' => 'system_individualdrivemode_fron_rear_camera_status',

monitor.php

@@ -3068,7 +3068,10 @@ $carMonitorSession = car_monitor_launcher_session();
             ? (ko ? '후진' : 'Reverse')
             : (speed !== null && speed > 0 ? (ko ? '주행 중' : 'Driving') : (parking ? t('parked') : (ko ? '정차' : 'Stopped')));
         set('telemetry-motion', motion, true);
-        set('telemetry-gear-speed', `${rawState('gear') ?? '-'} · ${speed ?? '-'} km/h`, value('gear') !== null || speed !== null);
+        const gear = reverse
+            ? 'R'
+            : (parking ? 'P' : (speed !== null && speed > 0 ? 'D' : (ko ? '정차' : 'Stopped')));
+        set('telemetry-gear-speed', `${gear} · ${speed ?? '-'} km/h`, speed !== null || value('parking') !== null || value('reverse') !== null);
         const odometer = numeric('odometer_raw');
         set('telemetry-odometer', odometer === null ? null : `${(odometer / 10).toLocaleString(undefined, { minimumFractionDigits: 1, maximumFractionDigits: 1 })} km`);
         const outside = numeric('outside_temperature');

tests/NiroTelemetrySnapshotTest.php

@@ -25,8 +25,12 @@ $summary = NiroTelemetrySnapshot::summarize([
         'meta_system_dumpsys_ok' => 'true',
         'meta_hscan_dumpsys_ok' => 'false',
         'system_root_ign' => 'true',
-        'system_individualdrivemode_vehicle_speed' => '27',
+        'system_root_speed' => '27',
-        'system_individualdrivemode_gear_status' => 'D(0x5)',
+        'system_root_gear' => '5',
+        // These persisted/default fields can disagree with the live root values
+        // and must never drive the dashboard.
+        'system_individualdrivemode_vehicle_speed' => '0',
+        'system_individualdrivemode_gear_status' => 'P(0x0)',
         'system_root_mbatterysoc' => '93',
         'hev_micom_hevstatus_mdisplaysoc' => '255',
         'hev_micom_hevstatus_odometer' => '2596537',
@@ -39,10 +43,10 @@ $summary = NiroTelemetrySnapshot::summarize([
 check($summary['available'] === true, 'snapshot is available');
 check($summary['online'] === true, 'availability topic is respected');
 check($summary['stale'] === false, 'fresh sample is not stale');
-check($summary['metric_count'] === 11, 'metric count excludes sample epoch');
+check($summary['metric_count'] === 13, 'metric count excludes sample epoch');
 check($summary['services'] === ['available' => 1, 'total' => 2], 'service health is counted');
 check($summary['metrics']['speed']['value'] === '27', 'speed mapping');
-check($summary['metrics']['gear']['value'] === 'D(0x5)', 'gear mapping');
+check($summary['metrics']['gear']['value'] === '5', 'live root gear mapping');
 check($summary['metrics']['outside_temperature']['value'] === '25.0', 'climate mapping');
 check($summary['metrics']['driver_door']['supported'] === true, 'zero is supported');
 check($summary['metrics']['distance_to_empty']['supported'] === false, 'missing value is unsupported');