Added Sign In with Apple test route

src/routes/auth/apple/test/+page.svelte

@@ -0,0 +1,29 @@
+<script lang="ts">
+	import { page } from '$app/state';
+	import AuthModal from '$lib/components/AuthModal.svelte';
+
+	let isOpen = $state(true);
+	const user = $derived(page.data.user);
+	const anonymousId = crypto.randomUUID();
+</script>
+
+<div class="min-h-screen bg-gray-900 flex items-center justify-center p-4">
+	{#if user}
+		<div class="text-white text-center space-y-4">
+			<p class="text-lg">Signed in as <strong>{user.email ?? 'no email'}</strong></p>
+			<form method="POST" action="/auth/logout">
+				<button class="px-4 py-2 bg-red-600 rounded-md hover:bg-red-700 transition-colors">
+					Sign Out
+				</button>
+			</form>
+		</div>
+	{:else}
+		<button
+			onclick={() => isOpen = true}
+			class="px-4 py-2 bg-blue-600 text-white rounded-md hover:bg-blue-700 transition-colors"
+		>
+			Open Auth Modal
+		</button>
+		<AuthModal bind:isOpen {anonymousId} />
+	{/if}
+</div>