Role-based handoff: define where outsourced art producer will be used and what stakeholder signoff must prove there.
Preserve the untouched outsourced art producer asset and record tested artifact before changing geometry, materials, textures, hierarchy, or metadata for stakeholder signoff.
For outsourced art producer stakeholder signoff, Keep the brief, before-and-after asset, acceptance note, next owner, and due decision. Product, marketplace, regional, and compliance decisions still require the responsible specialist.