命令面板

Create a command palette modal triggered by ⌘K. Include a search input at the top, grouped results (Recent, Pages, Actions), keyboard navigation with arrow keys, highlighted selection, and a footer showing keyboard shortcuts. Use shadcn/ui Dialog, Command, and Badge components and Tailwind CSS. Make it accessible with focus trapping and Escape to close.

创建一个通过 ⌘K 触发的命令面板弹窗。顶部包含搜索输入、分组结果（Recent、Pages、Actions）、方向键键盘导航、高亮选择和显示键盘快捷键的页脚。使用 shadcn/ui Dialog、Command 和 Badge 组件以及 Tailwind CSS。使其可访问，包含焦点捕获和 Escape 关闭。