partner_identification_unique_by_category
Allow partner identification categories to optionally enforce unique identification numbers per category.
Key Features
- res.partner.id_category: Adds an Enforce unicity flag on identification categories to mark numbers as unique within that category.
- res.partner.id_category: Blocks activating uniqueness on a category if duplicate identification numbers already exist there.
- res.partner.id_number: Rejects creating duplicate identification numbers in categories where uniqueness is enabled while still allowing duplicates in categories without that constraint.