@type kind() :: :quiet | :speakable | :instruction

@type t() :: %Parlora.ContextUpdate{
  content: String.t(),
  delegation_id: String.t() | nil,
  id: String.t(),
  kind: kind(),
  provider_generation: non_neg_integer(),
  task_id: String.t() | nil,
  task_revision: pos_integer() | nil
}