@type t() :: %RelayMark.Manifest.Action{
  action: String.t(),
  args: map(),
  block_id: String.t(),
  decision_id: String.t() | nil,
  destination: String.t() | nil,
  evidence_refs: [String.t()],
  execution_id: String.t() | nil,
  proposal_id: String.t() | nil,
  proposal_record_id: String.t() | nil,
  proposal_revision: pos_integer() | nil,
  review: String.t(),
  target: String.t() | nil,
  undo_id: String.t() | nil,
  visibility: String.t() | nil
}