M12-03D Status

status: done task: append one dependency closure through WASM Main in one transaction updated: 2026-08-17 America/New_York enablingTask: false parityStateChange: false

Scope

The browser Worker validates a source-hash-bound APPEND binding and sends one Object closure to the authoritative Blender Main. Blender's native link/append context recursively imports the Object, Mesh, Material, and packed Image, verifies that every resulting ID is local and writable, and publishes one SceneIR revision. The existing Main history transaction is used for rollback and undo/redo; the source is never treated as a linked read-only snapshot.

Evidence

EM_CACHE=/home/mes123456/workinf_Blender_Wasm/.emcache cmake --build build_web_blender6 --target web_engine -- -j2 passed; the generated module exports _web_engine_append_library_object.
npm --prefix web run typecheck passed.
WEB_TEST_PORT=5194 npm --prefix web run test:library-main-append passed in Chromium.
The test opens a clean .blend, appends the desktop fixture closure through WebEngineClient, verifies transactionCount=1, four LOCAL_MAIN mappings, stable Object/Mesh/Material/Image IDs, the material-to-image dependency, and a single revision increment.
A stale base revision returns REVISION_CONFLICT; a second append colliding with the local IDs returns ASSET_MANIFEST_INVALID without changing the revision. Undo removes the closure, redo restores it, and a saved buffer reopens with the same local image and Object dependency.
The Worker closure check accepts both the reader's material.imageIds representation and the Blender node-level imageId representation; it does not infer ownership from a preview.

Artifact hashes

test: 7130453cbc81f22eb1bcf598ff3745672ac8177dccb11cef667f5b68b43e87c6
worker: e3bb430e401144bf17cdcbd0de13cde0a4f904f1f9ff9d5b10a73d90f0d4c648
protocol: bfd98561cbe797d7b8f07c92c53a25460c839a64ab7222b7795cf58d54dff8d7
source .blend: 5b60d02926efd588a6ca300ba31414cdf37dbc48786c17b383a70319057c0606
clean target .blend: 9b1ecbcc3d7f8079ee5469de64193ffcaa0a7b01e0f2ac340bbb18aa88734a63
WASM JS: 9c831d0351ac9d0714cce3b1da748cba416ced3086e3c59595cf24ac4da459ed
WASM binary: 7821f408687e455c6f4e185fc3741c199c1c60d409836a2fe1b32f521d81e0ea
Main append API: 5a71260c542fa559f73c6b82e23e72d39bd2844f5ebe12c6edc809a49d79791b
Main append implementation: d0c484ab62e6ec051c8c2f67c49d750a456578aaccc2aa4f461026307af0db95

Next task

M12-03E: append undo/redo/save/reopen and the desktop canonical report must agree.

Rollback

Remove the M12-03D Worker/e2e test, package command, WASM append export and Main append entrypoint, restore the material closure check, and move the machine queue back to M12-03D. No V1 release ledger rollback is required.

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