forked from 1b-agent/opencadstudio-upstream
- CreateText/CreateMText/SetTextContent ops + GetTextContent query (append-only). - backend add_text/add_mtext/set_text_content/text_content (Text.value/MText.value). - facade create_text/create_mtext + Text/MText handles with content()/set_content(). - Text/MText coarse bounds + transform (insertion point); ensure_transformable. - spec Text/MText families; api_reference + binding_schema regenerated; mocks. - can_modify backend hook (exists + not-locked) for SetTextContent validation. - consistency baseline extended with the appended variants. - Test phase2b_text_mtext_create_content_transform -> 605 host lib + 3 consistency green.