Generate beautiful, hand-drawn Mermaid diagrams with robust syntax (quoted labels, ELK layout). Use this skill when the user asks for "diagram", "flowchart", "sequence diagram", or "visualize this process".

生成美观的手绘风格Mermaid图表，支持稳健的语法（带引号的标签、ELK布局）。当用户请求“图表”、“流程图”、“序列图”或“可视化此过程”时使用此技能。