Mentioned in advance. Then they pulled it out of the hat at the last minute. That is absolutely gross. If they weren’t OK with it, they should have said so earlier - much earlier.

By the way, you can apply to have minor offence charges struck off your record after a period of clean living. Not sure what the period is for shoplifting. Something about the Statute of Limitations. Might be worth enquiring about this at Legal Aid or other community legal service.