Michael Chus
ed339a172b
Add duplicate detection before batch insert of auto-mappings: - Query existing partnumbers from lot_partnumbers table - Build case-insensitive set of existing entries - Filter out duplicates before CreateInBatches - Also prevent duplicates within single batch This ensures partnumber uniqueness as primary key requires. Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>