In recent year have always automatically gotten upgraded TPs for in app upgrades, going back to I think 2021. Kiosk or desk LFBUs not auromatic, but have always gotten them on claiming. And like OP says, BA are now asking for receipt in addition to BP to make sure you dodn't get an opup. In any case, they are not refusing based on the idea that paid upgraded don't get points, it's an agent confused about normal domestic First and transcon 3-class First.