it begins

webui/src/mini/MiniSummaryApp/MiniSummaryAppRoot.jsx

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+// Top-level mini summary app shell with hard-refresh timer and alerts.
+import { useEffect } from 'react';
+import AlertFeed from '../../components/AlertFeed.jsx';
+import MiniSummaryContent from './MiniSummaryContent.jsx';
+import { HARD_REFRESH_MS } from './constants.js';
+
+export default function MiniSummaryAppRoot() {
+  useEffect(() => {
+    if (typeof window === 'undefined') return undefined;
+    const timer = setTimeout(() => {
+      const url = new URL(window.location.href);
+      url.searchParams.set('refresh', Date.now().toString());
+      window.location.replace(url.toString());
+    }, HARD_REFRESH_MS);
+    return () => clearTimeout(timer);
+  }, []);
+
+  return (
+    <>
+      <MiniSummaryContent />
+      <AlertFeed scale={3} />
+    </>
+  );
+}