Changes before error encountered

Co-authored-by: hotlong <50353452+hotlong@users.noreply.github.com>

Author: Copilot

apps/docs/app/[lang]/docs/layout.tsx

@@ -3,6 +3,7 @@ import type { Metadata } from 'next';
 import { DocsLayout } from 'fumadocs-ui/layouts/docs';
 import type { ReactNode } from 'react';
 import { baseOptions } from '@/app/layout.config';
+import { i18n } from '@/lib/i18n';
 
 export default async function Layout({
   params,
@@ -14,7 +15,11 @@ export default async function Layout({
   const { lang } = await params;
 
   return (
-    <DocsLayout tree={source.pageTree[lang]} {...baseOptions}>
+    <DocsLayout 
+      tree={source.pageTree[lang]} 
+      {...baseOptions}
+      i18n={i18n}
+    >
       {children}
     </DocsLayout>
   );