Reconcile Yomitan observer on setup

src/renderer/handlers/mouse.test.ts

@@ -943,6 +943,9 @@ test('window blur reclaims overlay focus while a yomitan popup remains visible o
     });
 
     handlers.setupYomitanObserver();
+    assert.equal(ctx.state.yomitanPopupVisible, true);
+    assert.equal(ctx.dom.overlay.classList.contains('interactive'), true);
+    assert.deepEqual(ignoreCalls, [{ ignore: false, forward: undefined }]);
     ignoreCalls.length = 0;
 
     for (const listener of windowListeners.get('blur') ?? []) {

src/renderer/handlers/mouse.ts

@@ -408,8 +408,7 @@ export function createMouseHandlers(
   }
 
   function setupYomitanObserver(): void {
-    syncPopupVisibilityState();
-    void maybePauseForYomitanPopup();
+    reconcilePopupInteraction({ allowPause: true });
 
     window.addEventListener(YOMITAN_POPUP_SHOWN_EVENT, () => {
       reconcilePopupInteraction({ assumeVisible: true, allowPause: true });