Role-based handoff: define where indie game developer will be used and what stakeholder signoff must prove there.
Preserve the untouched indie game developer asset and record tested artifact before changing geometry, materials, textures, hierarchy, or metadata for stakeholder signoff.
For indie game developer 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.