Changed Default GUI Mode to Electron

electron/main.cjs

@@ -37,22 +37,29 @@ function startBackend() {
     let stderr = "";
     const rl = readline.createInterface({ input: backendProcess.stdout });
 
+    // Give the backend more time to start and report the URL (20s)
     const timeout = setTimeout(() => {
-      reject(new Error("Backend did not report a GUI URL."));
-    }, 8000);
+      // include any captured stderr to aid debugging
+      const detail = stderr ? ("\nBackend stderr:\n" + stderr) : "";
+      reject(new Error("Backend did not report a GUI URL." + detail));
+    }, 20000);
 
     rl.on("line", (line) => {
+      console.log("backend stdout:", line);
       const match = line.match(/LazyUpdateManager GUI:\s+(http:\/\/127\.0\.0\.1:\d+)/);
       if (!match) {
         return;
       }
 
       clearTimeout(timeout);
+      console.log("backend reported GUI URL:", match[1]);
       resolve(match[1]);
     });
 
     backendProcess.stderr.on("data", (chunk) => {
-      stderr += chunk.toString();
+      const s = chunk.toString();
+      stderr += s;
+      console.error("backend stderr:", s);
     });
 
     backendProcess.on("error", (error) => {
@@ -71,7 +78,13 @@ function startBackend() {
 }
 
 async function createWindow() {
-  const url = await startBackend();
+  // If LAZY_BACKEND_URL is set, use it (helps debugging a separately started backend)
+  let url = process.env.LAZY_BACKEND_URL || null;
+  if (!url) {
+    url = await startBackend();
+  } else {
+    console.log('Using LAZY_BACKEND_URL:', url);
+  }
 
   mainWindow = new BrowserWindow({
     width: 1180,
@@ -109,12 +122,8 @@ app.whenReady().then(async () => {
   try {
     await createWindow();
   } catch (error) {
-    await dialog.showMessageBox({
-      type: "error",
-      title: "LazyUpdateManager",
-      message: "Die Desktop-App konnte nicht gestartet werden.",
-      detail: error.message,
-    });
+    // Avoid noisy GUI popups when the backend fails. Log the error and quit.
+    console.error('Desktop app startup failed:', error && error.message ? error.message : error);
     app.quit();
   }
 });