forked from 1b-agent/opencadstudio-upstream
Adds the additive v7 TableOperation request and HostApi::table_operation for layer create/modify/rename/delete/set-current. Refusals are decided before the undo step is recorded. Python wrapper, real-IPC audit with DWG/DXF persistence, IPC round-trip test, Python unit test and docs. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>