feat: add sidebar

web/src/hooks/useSidebarStatus.ts

@@ -0,0 +1,27 @@
+import { useEffect, useState } from "react";
+import { api } from "@/lib/api";
+import type { StatusResponse } from "@/lib/api";
+
+const POLL_MS = 10_000;
+
+/**
+ * Light-weight status poll for the app shell (sidebar). The Status page uses
+ * its own faster interval; we keep this slower to avoid duplicate load.
+ */
+export function useSidebarStatus() {
+  const [status, setStatus] = useState<StatusResponse | null>(null);
+
+  useEffect(() => {
+    const load = () => {
+      api
+        .getStatus()
+        .then(setStatus)
+        .catch(() => {});
+    };
+    load();
+    const id = setInterval(load, POLL_MS);
+    return () => clearInterval(id);
+  }, []);
+
+  return status;
+}