feat: HUD BrowserWindow — loads fox.pxo.at/hud with preload injection

electron/hud.js

@@ -0,0 +1,53 @@
+const { BrowserWindow, screen } = require('electron');
+const path = require('path');
+
+const HUD_URL = process.env.FOX_HUD_URL || 'https://fox.pxo.at/hud';
+let hudWindow = null;
+
+function createHud() {
+  const { width, height } = screen.getPrimaryDisplay().workAreaSize;
+
+  hudWindow = new BrowserWindow({
+    width,
+    height,
+    x: 0,
+    y: 0,
+    frame: false,
+    transparent: true,
+    alwaysOnTop: true,
+    show: false,
+    skipTaskbar: true,
+    hasShadow: false,
+    webPreferences: {
+      preload: path.join(__dirname, 'preload.js'),
+      contextIsolation: true,
+      nodeIntegration: false,
+      webSecurity: false,
+      allowRunningInsecureContent: true,
+    },
+  });
+
+  hudWindow.setAlwaysOnTop(true, 'screen-saver');
+  hudWindow.setVisibleOnAllWorkspaces(true, { visibleOnFullScreen: true });
+  hudWindow.loadURL(HUD_URL);
+  hudWindow.on('closed', () => { hudWindow = null; });
+
+  return hudWindow;
+}
+
+function showHud() {
+  if (!hudWindow) createHud();
+  hudWindow.show();
+  hudWindow.focus();
+  hudWindow.webContents.send('hud-show');
+}
+
+function hideHud() {
+  if (!hudWindow) return;
+  hudWindow.webContents.send('hud-hide');
+  setTimeout(() => {
+    if (hudWindow) hudWindow.hide();
+  }, 600);
+}
+
+module.exports = { createHud, showHud, hideHud };