In that case, it seems that you need Fibery to prevent any attempt to create a new tag/entity with the same name as an existing one, which sounds rather like uniqueness constraints (as part of the more generic ‘validation rules’):
In that case, it seems that you need Fibery to prevent any attempt to create a new tag/entity with the same name as an existing one, which sounds rather like uniqueness constraints (as part of the more generic ‘validation rules’):