@type t() :: %Crosswake.Companions.Rindle.Reconciliation.Attempt{
  event_kind: String.t(),
  evidence_ref: String.t() | nil,
  grant_id: String.t(),
  idempotency_ref: String.t() | nil,
  status: Crosswake.Companions.Rindle.Reconciliation.outcome(),
  storage_key: String.t() | nil,
  storage_target: String.t()
}