forked from 1b-agent/opencadstudio-upstream
TableOperation gains simple-linetype create/modify/rename/delete (standard names taken, rename follows layers and entities, guarded delete) and paper-space layout create/rename/delete/set-current/set-page (default page setup and sheet viewport, the application's own layout switch, Model protected). CTAB now reports the current layout. Real-IPC audit with DWG/DXF persistence and undo, IPC and Python unit tests, docs. Co-Authored-By: Claude Sonnet 5 <[email protected]>