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