RCE fix

app/[locale]/layout.tsx

@@ -0,0 +1,29 @@
+import { NextIntlClientProvider } from 'next-intl';
+import { getMessages } from 'next-intl/server';
+import { notFound } from 'next/navigation';
+import { locales } from '../../i18n/request';
+
+export default async function LocaleLayout({
+  children,
+  params
+}: {
+  children: React.ReactNode;
+  params: Promise<{ locale: string }>;
+}) {
+  const { locale } = await params;
+  
+  // Ensure that the incoming `locale` is valid
+  if (!locales.includes(locale as (typeof locales)[number])) {
+    notFound();
+  }
+
+  // Providing all messages to the client
+  // side is the easiest way to get started
+  const messages = await getMessages();
+
+  return (
+    <NextIntlClientProvider messages={messages}>
+      {children}
+    </NextIntlClientProvider>
+  );
+}