refactor: extract overlay visibility and ipc helper services

src/core/services/overlay-send-service.ts

@@ -0,0 +1,26 @@
+import { BrowserWindow } from "electron";
+
+export function sendToVisibleOverlayService(options: {
+  mainWindow: BrowserWindow | null;
+  visibleOverlayVisible: boolean;
+  setVisibleOverlayVisible: (visible: boolean) => void;
+  channel: string;
+  payload?: unknown;
+  restoreOnModalClose?: string;
+  addRestoreFlag: (modal: string) => void;
+}): boolean {
+  if (!options.mainWindow || options.mainWindow.isDestroyed()) return false;
+  const wasVisible = options.visibleOverlayVisible;
+  if (!options.visibleOverlayVisible) {
+    options.setVisibleOverlayVisible(true);
+  }
+  if (!wasVisible && options.restoreOnModalClose) {
+    options.addRestoreFlag(options.restoreOnModalClose);
+  }
+  if (options.payload === undefined) {
+    options.mainWindow.webContents.send(options.channel);
+  } else {
+    options.mainWindow.webContents.send(options.channel, options.payload);
+  }
+  return true;
+}