<DiagramStepper>

Coordinate visibility + highlight of regions inside a diagram (SVG, MermaidAdapter, …).

Name	Type	Default	Description
children	ReactNode	—	Diagram content with `<DiagramRegion>` children.
steps	DiagramStep[]	—	Per-step region show/hide/highlight.
animation?	RegionAnimation	—	CSS transition preset (see plugin-motion).

DiagramStep:

interface DiagramStep {
  show?: string[]
  hide?: string[]
  highlight?: string[]
  className?: string
}