Lonelyman, I was bringing up examples where different individuals created movies and magazines that show the fantasies the OP's husband is expressing. So, while the idea is not new, what I discussed is aimed at and provided for concenting adults.

Even when she agreed to be naked in her bedroom where her husband could bring this friend out hoping his friend would see his wife naked, she played a game with her husband to catch this "friend" by surprise. Then her husband told his friend it was ok to look and his friend did so without the conscent of the wife, but just the husband. The OP shared that she has cameras so she could check what was said, her husband did not say to this man "my wife is ok with you seeing her naked" or "we are sharing her naked together with you" either. So, the actual "conscent" is missing, even though the husband said it was ok to look to his friend, his friend was not told it was ok with the wife. Conscent is missing making the experience leaving his friend being used for this man's game. The OP did express her concern about this friend being told she was ok with her husband's game. She did participate in a lie or her husband basically "using" his friend.