fix: improve auth handling and logging

middlewares/authRequired.ts

@@ -67,8 +67,8 @@ export const middleware = auth(async (request) => {
 
   if (isLoggedIn && isMFAPath && isMFAInvalid()) {
     const headers = new Headers(request.headers)
-    headers.set("x-mfa-login", "true")
     headers.set("x-returnurl", nextUrlClone.href)
+    headers.set("x-login-source", "mfa")
     return NextResponse.rewrite(new URL(`/${lang}/login`, request.nextUrl), {
       request: {
         headers,