fix: hide electron window title bar on all platforms

- Set frame: false to hide window border and title bar
- Set titleBarStyle: 'hidden' for consistent behavior across platforms

Files: main.js

main.js

@@ -17,8 +17,8 @@ function createWindow() {
 
   const win = new BrowserWindow({
     show: false,
-    frame: !isMac,
-    titleBarStyle: isMac ? 'hiddenInset' : 'default',
+    frame: false,
+    titleBarStyle: 'hidden',
     webPreferences: {
       nodeIntegration: false,
       contextIsolation: true,