A lot of little changes everywhere. Sorry...

src/routes/+page.svelte

@@ -1,4 +1,8 @@
 <script lang="ts">
+/** @type {import('./$types').PageData} */
+export let data;
+console.log(`ae_ Svelte root +page data:`, data);
+
 import { onMount } from 'svelte';
 
 import { PUBLIC_TESTING } from '$env/static/public';