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>
Return per-module lesson and practice aggregates under unit modules listing so clients can render module depth without additional queries.
Co-authored-by: Cursor <cursoragent@cursor.com>
