fix(desktop): render popup overlays in packaged builds

Popup pages loaded their scripts as classic <script src> tags, which the
renderer build never bundles, so an installed app rendered only the static
markup: the recording tip stayed at 0:00 with no wave bars and live captions
showed nothing.

- declare popup scripts as modules so the build emits them, and fail
  packaging when a renderer page references an asset that was never produced
- hold popup IPC until the renderer has loaded and re-assert visibility on
  every show, so a popup hidden once still appears next time
- surface popup renderer console and load failures in the main log

💘 Generated with Crush

Assisted-by: Crush:deepseek-v4.1-flash

apps/desktop/src/renderer/popups/history-popup/index.html

@@ -17,6 +17,7 @@
       </div>
     </div>
   </div>
-  <script src="./script.js"></script>
+  <!-- type="module" 필수: Vite 번들에는 모듈 스크립트만 포함된다. -->
+  <script type="module" src="./script.js"></script>
 </body>
 </html>