Backfill partial Gemini results and restore modal iframe

frontend/app.js

@@ -513,10 +513,8 @@ function openResultModal(item) {
   resetResultModalMedia();
   if (item.source === "Google Video") {
     showResultModalFrame(buildResultModalEmbedURL(item));
-  } else if (item.previewVideoUrl) {
-    showResultModalVideo(item.previewVideoUrl);
   } else {
-    showResultModalThumbnail(item.thumbnailUrl, item.title || "");
+    showResultModalFrame(item.link || "about:blank");
   }
   showModal(resultModal);
   logEvent("result:modal:open", { title: item.title, source: item.source, link: item.link });

frontend/index.html

@@ -202,6 +202,6 @@
       </button>
     </template>
 
-    <script src="/app.js?v=20260316e" defer></script>
+    <script src="/app.js?v=20260316f" defer></script>
   </body>
 </html>