feat(platform): expose deployed release

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

@@ -294,6 +294,12 @@ export function Realtime({
       color: amapSecurityCodeExposed ? 'red' as const : 'green' as const,
       detail: amapSecurityCodeExposed ? '当前安全码会下发到浏览器，只建议调试使用。' : '生产安全码保持在服务端环境变量中。'
     },
+    {
+      label: '当前版本',
+      value: runtime?.platformRelease || '未标记',
+      color: runtime?.platformRelease ? 'blue' as const : 'grey' as const,
+      detail: runtime?.platformRelease ? '当前 ECS 正在运行的车辆中台 release。' : '未注入 PLATFORM_RELEASE，部署追踪会降级。'
+    },
     {
       label: '定位覆盖',
       value: `${locatedCount.toLocaleString()} / ${rows.length.toLocaleString()}`,