Agent Skills: draw-mermaid-diagram

Create and validate Mermaid flowcharts, sequence, class, ER, state, gantt, journey, timeline, mindmap, and pie diagrams. Use for "draw a Mermaid diagram", "draw a sequence/state/ER/class diagram", "make a flowchart", or a non-infrastructure flow. Use draw-infra-diagram for AWS/cloud architecture with specialized shapes and debugging composition.