fix: keep Cloud Web alive on client disconnect

deploy/runtime/boot/hwlab-cloud-web.sh

@@ -35,6 +35,7 @@ import { serveCloudWeb } from "./internal/dev-entrypoint/cloud-web-runtime.mjs";
 const port = Number.parseInt(process.env.PORT || process.env.HWLAB_PORT || "8080", 10);
 const serviceId = process.env.HWLAB_SERVICE_ID || "hwlab-cloud-web";
 const environment = process.env.HWLAB_ENVIRONMENT || "v02";
+const processStartedAt = new Date();
 const roots = [
   `${process.cwd()}/web/hwlab-cloud-web/dist`,
   `${process.cwd()}/web/hwlab-cloud-web`
@@ -89,6 +90,11 @@ function healthPayload() {
     build: {
       source: process.env.HWLAB_BUILD_SOURCE || "runtime-boot:web-build",
       metadataSource: "runtime-boot"
+    },
+    process: {
+      pid: process.pid,
+      startedAt: processStartedAt.toISOString(),
+      uptimeSeconds: Math.round((Date.now() - processStartedAt.getTime()) / 1000)
     }
   };
 }