chore: return loading text if all condition unmet

src/app/page.tsx

@@ -1,6 +1,5 @@
 'use client';
 
-import { useEffect } from 'react';
 import { usePathname, useRouter } from 'next/navigation';
 import { useAuth } from '@/services/hooks/useAuth';
 import { redirectToSSO } from '@/lib/auth-helper';
@@ -28,5 +27,5 @@ export default function Home() {
     return;
   }
 
-  return null;
+  return <>Loading...</>;
 }