Writes high-quality PRDs and draws the diagrams inside them. Use when the user asks to 写PRD, 写产品需求文档, 整理需求方案, 输出需求评审稿, 补充交互流程图, 绘制泳道图, 绘制状态机, 画线框图, 输出 markdown/docx/pdf PRD, or turn scattered notes into a structured requirement document with visuals.
This skill includes a SKILL.md with agent instructions.