Type Alias RmSceneItem

RmSceneItem:
    | { kind: "layer"; layer: RmSceneLayer }
    | { kind: "line"; line: RmV6Line }
    | { glyph: GlyphRange; kind: "glyph" }

a resolved item within a layer, in CRDT order

{ kind: "layer"; layer: RmSceneLayer }
- kind: "layer"
  the item discriminant
- layer: RmSceneLayer
  a nested layer (scene-tree group)
{ kind: "line"; line: RmV6Line }
- kind: "line"
  the item discriminant
- line: RmV6Line
  a stroke
{ glyph: GlyphRange; kind: "glyph" }
- glyph: GlyphRange
  a text highlight
- kind: "glyph"
  the item discriminant