标准库与ctypes实现，无额外运行时依赖，自定义快捷键一键置顶Windows窗口，托盘常驻后台运行，置顶窗口会显示彩色边框与提示标签，也支持鼠标点选窗口快速完成置顶，轻量易用。
macOS desk pet for DeepSeek Harness: a real always-on-top window that clears fullscreen Spaces, six states driven by you...