Add dedicated local admin domain routing

app/_admin/site-settings/page.tsx

@@ -5,6 +5,7 @@ import { MotionFade } from "@/components/motion-fade";
 import { SiteSettingsForm } from "@/components/admin/site-settings-form";
 import { AdminDashboardShell } from "@/components/admin/admin-dashboard-shell";
 import { clearAdminSessionCookie, isAdminAuthenticated } from "@/lib/admin-auth";
+import { getAdminAppPath } from "@/lib/admin-routing";
 import {
   getSiteSettings,
   getSiteSettingsMediaBindings,
@@ -31,14 +32,14 @@ const copy = {
 
 export default async function AdminSiteSettingsPage() {
   if (!(await isAdminAuthenticated())) {
-    redirect("/");
+    redirect(getAdminAppPath("/"));
   }
 
   async function logoutAction() {
     "use server";
 
     await clearAdminSessionCookie();
-    redirect("/");
+    redirect(getAdminAppPath("/"));
   }
 
   const [siteSettings, mediaBindings, mediaOptions] = await Promise.all([