Extract email sending into OrderMailer, answer-to-model mapping into
OrderDetailsAnswersMapper, label mapping into OrderDetailsLabels, and
generic dictionary-based field validation into core/lib.Validations.asp
(alongside a small lib.JsonResponse helper), replacing the private
helpers previously duplicated inline in OrderApiController and
RequestOrderController.

RouteKit Classic ASP MVC starter for the Purple Envelope election-materials
order site: request-order flow, token-based order continuation, SurveyJS
order-details form with server-side validation and a themed confirmation
email, plus the framework core, generators, and dev-only aspunit test harness.