fix: navigation blink root-caused — defer search-client.js (was parser-blocking mid-body), npm run demo serves the production build through the tunnel; DESIGN.md documents the VT removal + font-swap decision

src/pages/search.astro

@@ -24,8 +24,9 @@ import Base from '../layouts/Base.astro';
   </section>
 </Base>
 
-{/* search-client.js is loaded once by the Base layout (header search) */}
-<script is:inline>
+{/* search-client.js is loaded once (deferred) by the Base layout; this inline
+    module runs after it in the shared after-parse queue — order guaranteed. */}
+<script is:inline type="module">
   const run = newsSearch({ input: 'q', list: 'search-results', status: 'search-status', limit: 20, hint: 'Type at least 2 characters.' });
   // Support /search?q=… deep links (hero search form, footer, bookmarks)
   const q0 = new URLSearchParams(location.search).get('q');