forked from 1b-agent/opencadstudio-upstream
- Operation::CreateInsert(InsertSpec) appended to the wire enum (append-only). - backend add_insert validates the BlockRecord exists (unknown block -> Validation, no mutation); host inserts acadrust::entities::Insert with scale+rotation. - Insert transform moves insert_point (transform_entity_geometry) + ensure_transformable includes Insert. - facade EntityCollection::create_insert; spec Insert family; api_reference + binding_schema regenerated; mocks updated. - Test phase3_create_insert_and_transform -> 599 host lib green. - IMPLEMENTATION.md: Phase 3 done (attributes/traversal remaining).