Refactor and code designing

electron/main.js

@@ -1,4 +1,4 @@
-const { app, BrowserWindow, ipcMain, desktopCapturer } = require('electron');
+const { app, BrowserWindow, ipcMain, desktopCapturer, shell } = require('electron');
 const fs = require('fs');
 const fsp = fs.promises;
 const path = require('path');
@@ -50,11 +50,36 @@ function createWindow() {
   mainWindow.on('closed', () => {
     mainWindow = null;
   });
+
+  // Force all external links to open in the system default browser
+  mainWindow.webContents.setWindowOpenHandler(({ url }) => {
+    shell.openExternal(url);
+    return { action: 'deny' };
+  });
+
+  mainWindow.webContents.on('will-navigate', (event, url) => {
+    // Allow navigation to the app itself (dev server or file://)
+    const currentUrl = mainWindow.webContents.getURL();
+    const isSameOrigin = new URL(url).origin === new URL(currentUrl).origin;
+    if (!isSameOrigin) {
+      event.preventDefault();
+      shell.openExternal(url);
+    }
+  });
 }
 
 // Register database IPC handlers before app is ready
 registerDatabaseIpc();
 
+// IPC handler for opening URLs in the system default browser
+ipcMain.handle('open-external', async (_event, url) => {
+  if (typeof url === 'string' && (url.startsWith('http://') || url.startsWith('https://'))) {
+    await shell.openExternal(url);
+    return true;
+  }
+  return false;
+});
+
 app.whenReady().then(createWindow);
 
 app.on('window-all-closed', () => {