Accept sort_order on CreateLessonInput; SQL falls back to max+1. When set, shift sibling lessons and insert at that position (same pattern as module create). Regenerate sqlc and update Swagger.
Co-authored-by: Cursor <cursoragent@cursor.com>
Sequential reorder uses a temporary negative id slot plus range shifts so UNIQUE constraints on programs, courses, modules, and lessons stay valid; replaces module pairwise swap-only behavior.
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>
