refactor(i18n): remove translation provider facade

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

frontend/app/[lang]/layout.tsx

@@ -4,7 +4,6 @@ import { getMessages, setRequestLocale } from "next-intl/server";
 import { notFound } from "next/navigation";
 import Header from "@/components/web/Header";
 import Footer from "@/components/web/Footer";
-import { TranslationProvider } from "@/components/providers/TranslationProvider";
 import { ThemeProvider } from "@/components/web/theme-provider";
 import { routing } from "@/i18n/routing";
 import JsonLd from "@/components/seo/JsonLd";
@@ -57,11 +56,9 @@ export default async function RootLayout({
           storageKey="theme-preference"
         >
           <NextIntlClientProvider locale={lang} messages={messages}>
-            <TranslationProvider>
-              <Header />
-              <div className="flex-1">{children}</div>
-              <Footer />
-            </TranslationProvider>
+            <Header />
+            <div className="flex-1">{children}</div>
+            <Footer />
           </NextIntlClientProvider>
         </ThemeProvider>
       </body>

frontend/components/providers/TranslationProvider.tsx

@@ -1,33 +0,0 @@
-"use client";
-
-import { useLocale as useNextIntlLocale, useMessages as useNextIntlMessages } from "next-intl";
-import type { Messages } from "@/types/messages";
-import type { Locale } from "@/constants/i18n-config";
-
-type TranslationContextValue = {
-  messages: Messages;
-  lang: string;
-};
-
-interface TranslationProviderProps {
-  children: React.ReactNode;
-}
-
-export function TranslationProvider({children}: TranslationProviderProps) {
-  return <>{children}</>;
-}
-
-export function useMessages() {
-  return useNextIntlMessages() as Messages;
-}
-
-export function useLang() {
-  return useNextIntlLocale() as Locale;
-}
-
-export function useI18n() {
-  return {
-    messages: useMessages(),
-    lang: useLang(),
-  } satisfies TranslationContextValue;
-}