Expose sort_order on CreateExamPrepUnitInput; insert applies explicit index with sibling shifting (aligned with LMS course create). Updated Swagger and LMS-Personas Postman collection.
Co-authored-by: Cursor <cursoragent@cursor.com>
Expose has_practice booleans for LMS and pre-exam hierarchy entities, wire SQL/repository mappings, and regenerate SQLC/Swagger artifacts. Also update the Resend sender display name for outbound emails.
Co-authored-by: Cursor <cursoragent@cursor.com>
Expose per-unit aggregate counts under catalog-course units listing so clients can display unit depth without extra chained requests.
Co-authored-by: Cursor <cursoragent@cursor.com>
