feat(platform): label source evidence

vehicle-data-platform/apps/web/src/pages/Vehicles.tsx

@@ -28,6 +28,10 @@ function vehicleServiceStatus(row: VehicleCoverageRow) {
   return { label: '服务正常', color: 'green' as const };
 }
 
+function sourceEvidenceText(row: VehicleCoverageRow) {
+  return `${row.onlineSourceCount}/${row.sourceCount} 来源在线`;
+}
+
 export function Vehicles({
   onOpenVehicle,
   onFiltersChange,
@@ -100,7 +104,7 @@ export function Vehicles({
         }
       },
       {
-        title: '来源',
+        title: '来源证据',
         width: 240,
         render: (_: unknown, row: VehicleCoverageRow) => (
           <Space spacing={4} wrap>
@@ -108,7 +112,7 @@ export function Vehicles({
           </Space>
         )
       },
-      { title: '覆盖', width: 90, render: (_: unknown, row: VehicleCoverageRow) => `${row.onlineSourceCount}/${row.sourceCount}` },
+      { title: '证据覆盖', width: 120, render: (_: unknown, row: VehicleCoverageRow) => sourceEvidenceText(row) },
       { title: '在线', width: 90, render: (_: unknown, row: VehicleCoverageRow) => <StatusTag status={row.online ? 'ok' : 'offline'} /> },
       { title: '最后在线', dataIndex: 'lastSeen', width: 170 },
       { title: '绑定', width: 90, render: (_: unknown, row: VehicleCoverageRow) => <Tag color={row.bindingStatus === 'bound' ? 'green' : 'orange'}>{row.bindingStatus === 'bound' ? '已绑定' : '未绑定'}</Tag> },