update

src/middleware.js

@@ -1,32 +1,31 @@
-import {NextResponse} from "next/server";
+import { NextResponse } from "next/server";
 
-const locales = ["en", "fa","ar"];
+const DEFAULT_LOCALE = "fa"; // fallback امن
 
 export function middleware(request) {
-  const {pathname} = request.nextUrl;
+  const { pathname } = request.nextUrl;
 
   if (
     pathname.startsWith("/_next") ||
-    pathname.startsWith("/favicon.ico") ||
-    pathname.startsWith("/robots.txt") ||
-    pathname.match(/^\/.*\.(png|jpg|jpeg|gif|svg|webp|ico)$/)
+    pathname.startsWith("/api") ||
+    pathname.match(/\.(.*)$/)
   ) {
     return NextResponse.next();
   }
 
-  const pathnameHasLocale = locales.some(
-    (locale) => pathname.startsWith(`/${locale}/`) || pathname === `/${locale}`
-  );
-  if (pathnameHasLocale) return NextResponse.next();
+  const segments = pathname.split("/");
+  const maybeLang = segments[1];
 
-  const locale = "fa";
-  const url = request.nextUrl.clone();
-  url.pathname = `/${locale}${pathname}`;
-  return NextResponse.redirect(url);
+  // فقط چک کن آیا prefix داره یا نه
+  if (!maybeLang) {
+    return NextResponse.redirect(
+      new URL(`/${DEFAULT_LOCALE}${pathname}`, request.url)
+    );
+  }
+
+  return NextResponse.next();
 }
 
-// export const config = {
-//   matcher: [
-//     "/((?!_next|favicon.ico|robots.txt|.*\\.(png|jpg|jpeg|gif|svg|webp|ico)).*)",
-//   ],
-// };
+export const config = {
+  matcher: ["/((?!_next|.*\\..*).*)"],
+};