VSN-1903/ feat(user): add UserPreferences entity and OneToOne association with User (!247) · Requêtes de fusion · adanev / vsn / vsn-common · GitLab

kaoutar elmoumnaoui a demandé de fusionner VSN-1903 vers develop oct. 22, 2025

Created new UserPreferences entity to store user-specific settings (language, region)
Added enums Language and Region
Linked User & UserPreferences with OneToOne relationship and cascade configuration