Extend DRAFT/PUBLISHED to programs, courses, modules, and exam-prep hierarchy entities with learner visibility gating and progress exclusion. Resolve question_type_definition_id in question responses for legacy system types and unlinked dynamic questions.
Co-authored-by: Cursor <cursoragent@cursor.com>
PUT /practices/:id/full and PUT /exam-prep/practices/:id/full sync practice shell, question set settings, and questions in one request.
Co-authored-by: Cursor <cursoragent@cursor.com>
