@type t() :: %Codex.Events.SessionConfigured{
  approval_policy: term(),
  cwd: String.t() | nil,
  forked_from_id: String.t() | nil,
  history_entry_count: non_neg_integer() | nil,
  history_log_id: non_neg_integer() | nil,
  initial_messages: list() | nil,
  model: String.t() | nil,
  model_provider_id: String.t() | nil,
  reasoning_effort: String.t() | atom() | nil,
  rollout_path: String.t() | nil,
  sandbox_policy: term(),
  session_id: String.t() | nil
}