- Phase_45_004: activity_pricing has no 'fee_type' column, use
  'nonmember_rate_pm' as AFTER target instead
- Seed Phase_52_001: system_config uses 'group_name' not 'category',
  and 'description_ar' not 'description', and needs 'config_type'
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>