StockableMarker

"""
Fallback member of the `Stockable` union for rows whose typed catalog entity isn't yet modelled (e.g. tools, inks) or can't be resolved at read time.
"""
type StockableMarker {
  """Kind of stockable this row claims to be — substrate, ink, plate, …"""
  type: StockableType!
  """
  Opaque catalog identifier when the typed entity is known. UUID-as-string.
  """
  id: String
  """Partner-side identifier when the typed entity is unknown."""
  externalId: String
  """Human-readable display label."""
  label: String
}