_map_service_contract_to_rows now carries the two v2 fields onto exam_questions ghost rows (command_word on leaf parts, preamble jsonb). Requires supabase migration 78; applied to dev .94. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01GruxHXxfdp4kZCgAMVFgvV