auth: redirect to auth page when callback page has no token (#454)

apps/readest-app/src/app/auth/error/page.tsx

@@ -11,7 +11,7 @@ export default function AuthErrorPage() {
   useEffect(() => {
     const timer = setTimeout(() => {
       router.push('/auth');
-    }, 5000);
+    }, 3000);
 
     return () => clearTimeout(timer);
   }, [router]);
@@ -20,10 +20,6 @@ export default function AuthErrorPage() {
     <div className='bg-base-200/50 text-base-content hero h-screen items-center justify-center'>
       <div className='hero-content text-neutral-content text-center'>
         <div className='max-w-md'>
-          <h1 className='mb-5 text-5xl font-bold'>Authentication Error</h1>
-          <p className='mb-5'>
-            Something went wrong during the authentication process. Please try again.
-          </p>
           <p className='mb-5'>You will be redirected to the login page shortly...</p>
           <button className='btn btn-primary rounded-xl' onClick={() => router.push('/auth')}>
             Go to Login