For a custom order, the proof is easier to track when its file name includes the same order name used in the customer conversation. That small convention makes it clearer which version was reviewed and which details still need confirmation.
Keep the reply easy to answer
Show the customer one view, one spelling, and one short question: “Is this the version you approve?” Avoid treating an unconfirmed message as production-ready. A dated note beside the file can preserve the decision trail when revisions arrive.
More workflow prompts are collected in /updates/.