Add dedicated local admin domain routing

app/_admin/media/page.tsx

@@ -3,6 +3,7 @@ import { redirect } from "next/navigation";
 import { MediaLibraryManager } from "@/components/admin/media-library-manager";
 import { AdminDashboardShell } from "@/components/admin/admin-dashboard-shell";
 import { clearAdminSessionCookie, isAdminAuthenticated } from "@/lib/admin-auth";
+import { getAdminAppPath } from "@/lib/admin-routing";
 import { getAdminMediaAssets } from "@/lib/media";
 
 export const dynamic = "force-dynamic";
@@ -22,14 +23,14 @@ const copy = {
 
 export default async function AdminMediaPage() {
   if (!(await isAdminAuthenticated())) {
-    redirect("/");
+    redirect(getAdminAppPath("/"));
   }
 
   async function logoutAction() {
     "use server";
 
     await clearAdminSessionCookie();
-    redirect("/");
+    redirect(getAdminAppPath("/"));
   }
 
   const mediaAssets = await getAdminMediaAssets();