fix: add cache-busting query params to ai-lab.js and ai-lab.css

Browser was serving the old Base64-encoded ai-lab.js from cache.
Adding ?v=3 query parameter forces the browser to fetch the new
decoded JavaScript file.

ui/index.html

@@ -8,7 +8,7 @@
     <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
     <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap" rel="stylesheet" />
     <link rel="stylesheet" href="global.css" />
-    <link rel="stylesheet" href="ai-lab.css" />
+    <link rel="stylesheet" href="ai-lab.css?v=3" />
     <style>
         /* ── Dashboard Feature Grid ──────────────────── */
         .feature-grid {
@@ -196,6 +196,6 @@
         </div>
     </div>
 
-    <script src="ai-lab.js"></script>
+    <script src="ai-lab.js?v=3"></script>
 </body>
 </html>