WorkCenterTwinTrack

"""
Which judgement a transition belongs to; rows of different tracks never supersede one another
"""
enum WorkCenterTwinTrack {
  """
  The live shadow: what runs on the machine now, judged against its profile
  """
  SHADOW
  """
  The pace track: whether the machine's forecast pace has drifted from its own history, judged after each profile refresh
  """
  PACE
}