- Remove WS_CAPTION via SetWindowLong to hide native Windows title bar
- Keep WS_THICKFRAME for window resizing from edges
- Add custom Win11-style window control buttons (minimize, maximize, close)
- Close button turns red on hover (#c42b1c) matching Windows 11
- Title bar is draggable via -webkit-app-region: drag
- Bind windowMinimize/windowMaximize/windowClose Go functions to JS
- Center system status indicator in title bar
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>