I should have saved this long ago. Lots of changes. Learning a lot as well!

src/routes/sponsorships/+layout.ts

@@ -0,0 +1,18 @@
+/** @type {import('./$types').LayoutLoad} */
+export function load({ params, url }) { // route
+    console.log(`page data - params:`, params);
+    // console.log(`page data - route:`, route);
+    console.log(`page data - url:`, url);
+
+    let data_struct = {
+        params: params,
+        sections: [
+			{ slug: 'new', title: 'New Sponsorship' },
+			{ slug: 'manage', title: 'Manage' },
+            { slug: 'test', title: 'Test' },
+		],
+        url: url,
+
+    };
+    return data_struct;
+}