working companion prototype

apps/companion/main/index.ts

@@ -2,8 +2,10 @@ import { app, BrowserWindow } from 'electron';
 import * as path from 'path';
 import { setupIpcHandlers } from './ipc-handlers';
 
-function createWindow() {
-  const mainWindow = new BrowserWindow({
+let mainWindow: BrowserWindow | null = null;
+
+function createWindow(): BrowserWindow {
+  mainWindow = new BrowserWindow({
     width: 1200,
     height: 800,
     webPreferences: {
@@ -17,14 +19,15 @@ function createWindow() {
     mainWindow.loadURL('http://localhost:5173');
     mainWindow.webContents.openDevTools();
   } else {
-    // Path from dist/main to dist/renderer
     mainWindow.loadFile(path.join(__dirname, '../renderer/index.html'));
   }
 
   setupIpcHandlers(mainWindow);
+  
+  return mainWindow;
 }
 
-app.whenReady().then(() => {
+app.whenReady().then(async () => {
   createWindow();
 
   app.on('activate', () => {