Upgrade app to Next.js 16

app/root/maintenance/actions.ts

@@ -9,15 +9,15 @@ import { clearAdminSessionCookie, isAdminAuthenticated } from "@/lib/admin-auth"
 import { getLocalizedPath } from "@/lib/locale";
 import { setMaintenanceMode } from "@/lib/app-config";
 
-function ensureAdmin() {
-  if (!isAdminAuthenticated()) {
-    clearAdminSessionCookie();
+async function ensureAdmin() {
+  if (!(await isAdminAuthenticated())) {
+    await clearAdminSessionCookie();
     redirect("/");
   }
 }
 
 export async function updateMaintenanceModeAction(formData: FormData) {
-  ensureAdmin();
+  await ensureAdmin();
 
   const nextValue = formData.get("enabled") === "true";
   const redirectPath = String(formData.get("redirectPath") ?? "/");

app/root/maintenance/page.tsx

@@ -28,7 +28,7 @@ const copy = {
 };
 
 export default async function RootMaintenancePage() {
-  const authenticated = isAdminAuthenticated();
+  const authenticated = await isAdminAuthenticated();
 
   if (!authenticated) {
     redirect("/");
@@ -38,7 +38,7 @@ export default async function RootMaintenancePage() {
   async function logoutAction() {
     "use server";
 
-    clearAdminSessionCookie();
+    await clearAdminSessionCookie();
     redirect("/");
   }