# M16-GAP-00040 Status status: done task: DATA_TRANSFER modifier LOCAL_EXACT slice updated: 2026-08-20 America/New_York scope: DATA_TRANSFER modifier identity and visibility modes for `mesh:WebGapDataTransferObjectMesh`. evidence: - Desktop fixture exposes `WebGapDataTransfer`; save/reopen is exact. - WASM/Main exposes the same modifier stack from the same fixture; save/reopen is exact. - Malformed Blend input is rejected without mutating Main. - `npm --prefix web run test:generated-gap -- --task M16-GAP-00040` and `node tools/web/check-generated-gap.mjs --task M16-GAP-00040` exited 0. knownRisk: Full evaluated data transfer and editor mutation remain outside this metadata/local-exact modifier slice. nextTask: `M16-GAP-00041`