Single part at the root, COMPOSE_FILE in .env

template/{{ part_dir }}/src/routes/+page.svelte.jinja

@@ -0,0 +1,13 @@
+<svelte:head>
+  <title>{{ project_name }}</title>
+</svelte:head>
+
+<main
+  class="flex min-h-dvh flex-col items-center justify-center gap-4 px-6 text-center {% if ui_library == 'shadcn' %}bg-background text-foreground{% else %}bg-white text-neutral-900 dark:bg-neutral-950 dark:text-neutral-50{% endif %}"
+>
+  <h1 class="font-bold text-4xl tracking-tight sm:text-5xl">{{ project_name }}</h1>
+  <p class="max-w-prose text-base {% if ui_library == 'shadcn' %}text-muted-foreground{% else %}text-neutral-500{% endif %}">
+    Edit
+    <code class="font-mono">src/routes/+page.svelte</code>.
+  </p>
+</main>