forked from 1b-agent/opencadstudio-upstream
- CreateAttributeDefinition(AttributeDefinitionSpec) op (append-only). - backend add_attribute_definition (ATTDEF tag/prompt/default/insertion/height/rotation). - facade create_attribute_definition; entity_kind_name AttributeDefinition/AttributeEntity. - spec AttributeDefinition family; api_reference + binding_schema regenerated; mocks + baseline. - Test phase3ii_create_attribute_definition -> 614 host lib + 3 consistency green.