@type t() :: %Autonomic.ExecutionDomain.Spec{
  effect_socket: String.t() | nil,
  environment: %{optional(String.t()) => String.t()} | nil,
  episode_id: Autonomic.Contracts.episode_id(),
  epoch: Autonomic.Contracts.epoch(),
  hard_envelope: map(),
  metadata: map(),
  resource_limits: map() | nil,
  workspace: map()
}