Hide bar on linux

electron/main.cjs

@@ -14,7 +14,7 @@
  */
 'use strict'
 
-const { app, BrowserWindow, ipcMain, session } = require('electron')
+const { app, BrowserWindow, ipcMain, session, Menu } = require('electron')
 const path = require('path')
 const fs = require('fs')
 const os = require('os')
@@ -231,6 +231,9 @@ function createWindow() {
     backgroundColor: pkg.pear?.gui?.backgroundColor || '#0f1117',
     title: appName,
     ...(icon ? { icon } : {}),
+    // Hide the default Electron menu bar (File/Edit/View/…) on Linux/Windows.
+    // macOS keeps the system menu bar; non-darwin has no app menu (set in whenReady).
+    autoHideMenuBar: process.platform !== 'darwin',
     webPreferences: {
       preload: buildPreloadPath(),
       // Full peardock UI imports HyperDHT etc. as ESM node packages — same as pear UI.
@@ -293,6 +296,13 @@ app.whenReady().then(async () => {
     }
   }
 
+  // Electron's default app menu (File, Edit, View, Window, Help) is fine on macOS
+  // (system menu bar) but draws an unwanted menubar inside the window on Linux/Windows.
+  // Remove it there so only the peardock UI chrome is visible.
+  if (process.platform !== 'darwin') {
+    Menu.setApplicationMenu(null)
+  }
+
   await startStaticServer(appRoot)
   await startHolesailControl()