Add dedicated local admin domain routing

app/_admin/maintenance/page.tsx

@@ -3,6 +3,7 @@ import { redirect } from "next/navigation";
 import { MotionFade } from "@/components/motion-fade";
 import { AdminDashboardShell } from "@/components/admin/admin-dashboard-shell";
 import { clearAdminSessionCookie, isAdminAuthenticated } from "@/lib/admin-auth";
+import { getAdminAppPath } from "@/lib/admin-routing";
 import { getMaintenanceMode } from "@/lib/app-config";
 import { AppCard } from "@/components/ui/app-card";
 import { Badge } from "@/components/ui/badge";
@@ -31,7 +32,7 @@ export default async function AdminMaintenancePage() {
   const authenticated = await isAdminAuthenticated();
 
   if (!authenticated) {
-    redirect("/");
+    redirect(getAdminAppPath("/"));
   }
 
   const maintenanceEnabled = await getMaintenanceMode();
@@ -39,7 +40,7 @@ export default async function AdminMaintenancePage() {
     "use server";
 
     await clearAdminSessionCookie();
-    redirect("/");
+    redirect(getAdminAppPath("/"));
   }
 
   return (