src/routes/auth/signout/+page.svelte

@@ -0,0 +1,11 @@
+<script lang="ts">
+import { onMount } from 'svelte';
+import { goto } from '$app/navigation';
+
+onMount(() => {
+  localStorage.clear();
+  goto('/');
+});
+</script>
+
+<p>Signing out...</p>

src/routes/auth/signout/+server.ts

@@ -6,5 +6,4 @@ export const GET: RequestHandler = async ({ locals }) => {
   if (locals.supabase) {
     await locals.supabase.auth.signOut();
   }
-  throw redirect(303, '/');
 };