Level floor_0006 visual support heights and replace its collision geometry with one planar mesh. Update its bounds and SHA-256 in the manifest.
Tested: compact USD export preserves all authored layer data; manifest matches the asset hash; Hugging Face preupload classifies the asset as regular Git.
Constraint: change only floor_0006.usd and manifest.json; preserve the existing .gitattributes.
Add assets/scenes/objects/.gitkeep so the directory is present on the Hub. All other published assets already match the local files; apply the existing gitignore rules.
Bundle multitask scene dependencies and use relative asset paths
Upload the referenced USD, MDL, textures and HDR dependencies inside the multitask scene; update scene layers and manifest hashes. Apply current gitignore rules, including exclusion of NFS temporary files.
