Fix Windows mpv handoff and tray setup (#82)

src/core/services/index.ts

@@ -80,7 +80,11 @@ export {
   handleOverlayWindowBeforeInputEvent,
   isTabInputForMpvForwarding,
 } from './overlay-window-input';
-export { initializeOverlayAnkiIntegration, initializeOverlayRuntime } from './overlay-runtime-init';
+export {
+  initializeOverlayAnkiIntegration,
+  initializeOverlayRuntime,
+  startOverlayWindowTracker,
+} from './overlay-runtime-init';
 export { setVisibleOverlayVisible, updateVisibleOverlayVisibility } from './overlay-visibility';
 export {
   MPV_REQUEST_ID_SECONDARY_SUB_VISIBILITY,