workinf_Blender_Wasm/docs/status/M16-GAP-00280.md

M16-GAP-00280 Status

status: done task: asset.mark_single operator LOCAL_EXACT slice updated: 2026-08-24 America/New_York

scope:

• The minimal fixture contains one marked object, WebGapAssetMarkSingleObject, with stable author, description, and operator-mark-single tag metadata. Blender desktop observes asset.mark_single as poll=false, records CANCELLED, and confirms no Main mutation. Save/reopen preserves the metadata exactly.
• WASM/Main reads the same fixture through the existing Scene IR asset metadata path. The comparator confirms the object metadata matches desktop, survives save/reopen, and rejects malformed input without changing Main.

evidence:

• Fixture generation, desktop checker, npm generated-gap comparator, direct comparator, and task-context handoff checks passed with exit code 0. Chromium-only policy was preserved and no Firefox/WebKit run was made.
• This task adds only the mark_single fixture/checker/comparator evidence; the reader, Scene IR protocol, and WASM artifacts are the already verified asset metadata path from M16-GAP-00279.

nextTask: M16-GAP-00281