M12-03F Status

status: done task: create a desktop linked Object fixture preserving source-library ownership updated: 2026-08-17 America/New_York enablingTask: true parityStateChange: false

Scope

Blender 5.2 creates a source library containing one Object with a Mesh, Material, and packed Image dependency closure. A clean target links only the selected Object with bpy.data.libraries.load(link=True). The Object, Mesh, Material, and Image retain the source library pointer, have no library override, and map to read-only SOURCE_LIBRARY ownership. The target is saved, reopened in a new Main load, and compared to the pre-save linked graph.

This task freezes the desktop LINK contract only. It does not implement a WASM link writer, linked mutation, reload/relocate, missing-library placeholders, or full N-023 parity.

Evidence

npm --prefix web run test:library-link-desktop passed the manifest/artifact hash gate, Blender 5.2 generator rerun, and canonical report comparison.
The fixture links one root and four dependency IDs. All three dependency edges, 4 vertices, 4 edges, 1 polygon, 4 loops, UVMap, material slot, packed 2x2 sRGB RGBA image, and Float32 pixel SHA-256 6f0f8c231d65149e69e6ed12d370bcfa095ef90adc202065492ea8c8ef17e45a survive save/reopen.
Every linked ID reports library=m12_link_source.blend and isLibraryOverride=false; all four stable mappings are SOURCE_LIBRARY/readOnly=true. A temporary source/target regeneration matches the canonical report after normalizing only session-bound blend container hashes.

Artifact Hashes

generator: 15a2e34c1c5b2a8ee63b10084dbb894e0f9677b9e1cf4adb7e2ddce6b4c965b1
checker: 6a4c024bea227d7bc14f793467b91766b006459fe4d7717cc75dfee12f49f894
source .blend: fae97569e9d2e2066fc92749672f86cc42717cd9b97b012faeb9eb92015d7fd1
target .blend: acdaf0f297deb08c84e1a8beba30972e3414ef62e60e3b103fe0661199c438a1
desktop report: b278d4c254eff63d41c8cb3ea1d5e0984192137d45b1695ba0672e16f95b58ea
manifest: 8220a8f5d560d45a75a62cbed645b3febc1390fe37b07c3c48871fefc1a9b159
package commands: 336d8df1914aaaafaeccc181d4e73ed7058165f10e167efe539939c3ac1e0536

Next Task

M12-03G: linked data writers must fail closed with LINKED_DATA_MUTATION_BLOCKED.

Rollback

Remove the M12-03F link generator/checker, source and target fixtures, desktop report/manifest, package command, and this status entry. Restore M12-03E to pending and move the machine queue back to M12-03E. No parity ledger rollback is required.

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