Merge staff data from 7 PENDING files into their matching custodian records: - NL-XX-XXX-PENDING-SPOT-GRONINGEN → NL-GR-GRO-M-SG (SPOT Groningen, 120 staff) - NL-XX-XXX-PENDING-DIENST-UITVOERING-ONDERWIJS → NL-GR-GRO-O-DUO - NL-XX-XXX-PENDING-ANNE-FRANK-STICHTING → NL-NH-AMS-M-AFS - NL-XX-XXX-PENDING-ALLARD-PIERSON → NL-NH-AMS-M-AP - NL-XX-XXX-PENDING-STICHTING-JOODS-HISTORISCH-MUSEUM → NL-NH-AMS-M-JHM - NL-XX-XXX-PENDING-MINISTERIE-VAN-BUITENLANDSE-ZAKEN → NL-ZH-DHA-O-MBZ - NL-XX-XXX-PENDING-MINISTERIE-VAN-JUSTITIE-EN-VEILIGHEID → NL-ZH-DHA-O-MJV Originals archived in data/custodian/archive/pending_collisions_20250109/ Add scripts/merge_collision_files.py for reproducible merging
