File signed agreements, keep order receipts, bundle handoffs. Every one is ready to run, and you can adjust it in plain language.
Deliver the current campaign asset with the decision requested and deadline.
Your reviewer gets a clear request in chat when a campaign card reaches Review. Your lead can stop chasing the next handoff.
Record your proof approval against the version you reviewed.
Your proof tasks show who decided, which file version they reviewed, and who takes the next step.