Set minimum Electron window size to prevent layout breaks

- Set minWidth to 1024px (matches Tailwind lg breakpoint)
- Set minHeight to 700px for adequate vertical space
- Prevents window from being resized to mobile single-column layout

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

electron/main.ts

@@ -20,6 +20,8 @@ function createWindow() {
   const mainWindow = new BrowserWindow({
     width: 1600,
     height: 1000,
+    minWidth: 1024, // Prevent layout from breaking into single-column mobile view
+    minHeight: 700,
     autoHideMenuBar: true, // Hide the menu bar (can be toggled with Alt key)
     webPreferences: {
       preload: join(__dirname, 'preload.js'),