fix: polish installer English copy and startup title

electron/main.cjs

@@ -31,11 +31,11 @@ function createSplashWindow() {
     show: false,
     skipTaskbar: false,
     backgroundColor: '#101116',
-    title: 'SOCDOF wird gestartet',
+    title: 'Starting SOCDOF',
     icon: process.platform === 'win32'
       ? path.join(__dirname, '../public/socdof_icon.ico')
       : path.join(__dirname, '../public/socdof_icon.png'),
-    webPreferences: { contextIsolation: true, nodeIntegration: false, sandbox: true }
+    webPreferences: { preload: path.join(__dirname, 'preload.cjs'), contextIsolation: true, nodeIntegration: false, sandbox: true }
   });
   splashWindow.once('ready-to-show', () => {
     if (splashWindow && !splashWindow.isDestroyed()) splashWindow.show();

electron/splash.html

@@ -25,9 +25,40 @@
 <main>
 <img class="logo" src="../public/socdof_icon.png" alt="">
 <h1>SOCDOF</h1>
-<p>Der Arbeitsbereich wird vorbereitet …</p>
-<div class="track" role="progressbar" aria-label="SOCDOF wird gestartet"><div class="bar"></div></div>
+<p id="startup-message">Preparing your workspace...</p>
+<div class="track" role="progressbar" aria-label="Starting SOCDOF"><div class="bar"></div></div>
 <div class="footer">Strudelcode · Yuri / Strudel</div>
 </main>
+<script>
+(async () => {
+  const messages = {
+    en: 'Preparing your workspace...',
+    de: 'Arbeitsbereich wird vorbereitet...',
+    fr: 'Préparation de votre espace de travail...',
+    es: 'Preparando tu espacio de trabajo...'
+  };
+  let language = 'en';
+  // First launch defaults to English. Prefer the app's persisted Electron preference on later launches.
+  try {
+    const prefs = window.electronAPI && typeof window.electronAPI.getPreferences === 'function'
+      ? await window.electronAPI.getPreferences()
+      : null;
+    const saved = prefs && (prefs.language || prefs.locale);
+    if (saved && Object.prototype.hasOwnProperty.call(messages, saved)) {
+      language = saved;
+    } else {
+      const localSaved = localStorage.getItem('socdof_language');
+      if (localSaved && Object.prototype.hasOwnProperty.call(messages, localSaved)) language = localSaved;
+    }
+  } catch (_) {
+    try {
+      const saved = localStorage.getItem('socdof_language');
+      if (saved && Object.prototype.hasOwnProperty.call(messages, saved)) language = saved;
+    } catch (_) {}
+  }
+  document.documentElement.lang = language;
+  document.getElementById('startup-message').textContent = messages[language];
+})();
+</script>
 </body>
 </html>