@type t() :: %LabelingIR.Sample{
  artifacts: [LabelingIR.Artifact.t()],
  created_at: DateTime.t(),
  id: String.t(),
  lineage_ref: LabelingIR.Types.lineage_ref() | nil,
  metadata: map(),
  namespace: String.t() | nil,
  payload: map(),
  pipeline_id: String.t(),
  tenant_id: String.t()
}