Record the human reviewer's decision with its source and the exact file version reviewed.
Keep each artwork decision with the exact proof reviewed.
Your review cards show who made a proof decision and which file they saw. The reply time stays with the decision.
Keep creative signoffs tied to the proof upload each reviewer saw.
Keep a clear history of who approved or rejected each campaign proof, even when the review board status changes later.
Keep creative decisions tied to the proof version reviewed.
Your proof tasks show who decided, which file version they reviewed, and who takes the next step.