feat: improve structure and error handling

middlewares/authRequired.ts

@@ -44,7 +44,11 @@ export const middleware = auth(async (request) => {
   const isLoggedIn = !!request.auth
 
   if (isLoggedIn) {
-    return NextResponse.next()
+    const headers = new Headers(request.headers)
+    headers.set("x-continue", "1")
+    return NextResponse.next({
+      headers,
+    })
   }
 
   if (!env.PUBLIC_URL) {
@@ -61,6 +65,7 @@ export const middleware = auth(async (request) => {
     "set-cookie",
     `redirectTo=${encodeURIComponent(nextUrlClone.href)}; Path=/; HttpOnly; SameSite=Lax`
   )
+
   const loginUrl = login[lang]
   return NextResponse.redirect(new URL(loginUrl, nextUrlClone), {
     headers,