WorkCenterStatusEventState

"""
A single entry in a work centre's status history: the phase transition plus the device status reported at that moment, held until the status changes. Only lastSeenAt moves after the event is written. This history is a separate table from the entity status_events spine and shares no key with it.
"""
type WorkCenterStatusEventState {
  """
  Audit record when this event has been voided or superseded; null otherwise
  """
  correction: WorkCenterStatusEventCorrection
  """
  TypeID of this status event (`wcse_` prefix). Events are append-only: once recorded they are never updated or deleted.
  """
  id: WorkCenterStatusEventID!
  """
  TypeID (`wcr_` prefix) of the work centre that transitioned. Every event belongs to exactly one work centre and is scoped to the caller's tenant.
  """
  workCenterId: WorkCenterID!
  """
  Phase the work centre left. Null for the first event in a session, i.e. when no prior phase was reported.
  """
  fromPhase: ProgressPhase
  """
  Phase the work centre entered — the phase it is considered to be in from this event's timestamp until the next event.
  """
  toPhase: ProgressPhase!
  """
  Device status reported alongside the transition (JMF DeviceStatus plus ERROR). CUSTOM means the real value is carried in customStatus. Unrecognised persisted values read back as UNKNOWN.
  """
  status: WorkCenterStatusKey!
  """
  Vendor- or domain-specific status string; non-null only when status is CUSTOM, where it is required and limited to 100 characters.
  """
  customStatus: String
  """
  Provenance tag for how the event reached the platform (e.g. API, MQTT, MANUAL). Never null — defaults to "API" when the recorder omits it.
  """
  source: String!
  """Optional key-value metadata supplied when the event was recorded"""
  metadata: [Dictionary!]!
  """
  ISO8601 instant the transition actually occurred, as reported by the source. This is the ordering and filtering key for the history; it may precede createdAt when events are backfilled.
  """
  timestamp: ISO8601!
  """
  ISO8601 instant the platform persisted the event. Differs from timestamp for late or backfilled reports.
  """
  createdAt: ISO8601!
  """
  ISO8601 instant the held status was last observed again. A status is held until it changes, so a repeat refreshes this instead of appending an event; equals timestamp until the status is seen again.
  """
  lastSeenAt: ISO8601!
}