Create low-fidelity wireframes to visualize page layouts and UI structure. Use this skill whenever the user wants to sketch a page layout, says '线框图', 'wireframe', '页面布局', 'layout', '页面结构', 'sketch', or needs to quickly visualize how a page should be organized. Also trigger when the user says 'what should this page look like' or 'how should we lay out X'. This is the fastest way to go from idea to visible structure — use before pm-prototype for quick alignment.
