Soft-proofing

interface ProofPayload {
  pages: Array<{ url: string; page: number; width: number; height: number; mimeType: string; bytes: number; key: string }>;
  approvalRequired?: boolean;  // if true, the workflow halts until respondToProof() is called
  message?: string;
  affirmButtonText?: string;
}

intake.on('proof', ({ pages, approvalRequired }) => {
  if (!approvalRequired) return; // informational only

  showProofGallery(pages, {
    onApprove: () => intake.respondToProof(true),
    onReject:  () => intake.respondToProof(false),
  });
});