Refactor: Update auth callback logic

src/components/auth/AuthModal.tsx

@@ -225,7 +225,11 @@ export function AuthModal({ open, onOpenChange, defaultTab = 'signin' }: AuthMod
       const { error } = await supabase.auth.signInWithOAuth({
         provider,
         options: {
-          redirectTo: `${window.location.origin}/`
+          redirectTo: `${window.location.origin}/auth/callback`,
+          // Request additional scopes for avatar access
+          scopes: provider === 'google' 
+            ? 'email profile'
+            : 'identify email'
         }
       });
       if (error) throw error;