When to use this skill

ALWAYS use this skill when the user mentions:

Drawing, creating, generating, making, or building any diagram, chart, or graph
Visualizing processes, workflows, systems, architectures, or data
Any request to "画图" (draw diagram), "绘图" (draw chart), "生成图" (generate diagram), "创建图" (create diagram)
Flowcharts, sequence diagrams, class diagrams, state diagrams, or any diagram type
Architecture diagrams, system diagrams, or design diagrams
Data visualization, charts, or graphs
Process flows, workflows, or business processes
Project timelines, schedules, or Gantt charts
User journeys, mindmaps, or hierarchical structures
Database schemas, ER diagrams, or entity relationships
Git branching structures or version control diagrams
Any visual representation or diagrammatic content

mermaid