Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Prevents data loss when saving ModelType: the frontend now sends existing CustomField IDs so the backend can match them instead of deleting and recreating. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>