@type error_code() ::
  :state_mismatch
  | :no_email
  | :provider_error
  | :token_exchange_failed
  | :link_conflict
  | :email_mismatch
  | :authorize_failed
  | :enterprise_context_mismatch
  | :org_connection_unavailable
  | :unsafe_email_claim
  | :ambiguous_email_match
  | :provider_subject_conflict