ProductionShiftState

"""Whether a work center is on shift at the snapshot cutoff"""
enum ProductionShiftState {
  """Inside a shift from the work center's shift profiles"""
  ON_SHIFT
  """Outside every shift; idleness and silence are expected"""
  OFF_SHIFT
  """No shift profile is in force, so shift awareness does not apply"""
  NO_SHIFTS
  """
  Shift profiles exist but the tenant time zone is unset, so the board will not guess
  """
  TIME_ZONE_UNSET
  """Shift definitions are not readable with the caller's permissions"""
  UNAVAILABLE
}