App reorganization

app/(admin)/layout.tsx

@@ -0,0 +1,7 @@
+import type { ReactNode } from "react";
+
+// Operator/admin dashboards (e.g. `/monitor`) intentionally render without the
+// public marketing footer. Auth/access is enforced upstream.
+export default function AdminLayout({ children }: { children: ReactNode }) {
+  return <main className="flex-1">{children}</main>;
+}