refactor(app): share application components and request services

src/overlays/worldOverlay.test.mjs

@@ -1,3 +1,4 @@
+import { expandApplicationHtml } from '../../build/application-html.js';
 import { readStylesheet } from '../testSupport/readStylesheet.mjs';
 import test from 'node:test';
 import assert from 'node:assert/strict';
@@ -463,7 +464,7 @@ test('lifecycle is idempotent and teardown removes listeners, observers, and DOM
   assert.deepEqual(root.children, [canvas],
     'the overlay root carries only the shared card canvas');
   assert.doesNotMatch(
-    readFileSync(new URL('../../index.html', import.meta.url), 'utf8'),
+    expandApplicationHtml(readFileSync(new URL('../../index.html', import.meta.url), 'utf8')),
     /world-overlay-detection-surface/,
     'the surface is runtime host-owned, not static markup',
   );