You can't really ask about those things directly. If I ask "(how) would you add monitoring to this?" you can make something up on the spot. If I ask "what else would a mature production app contain?" that will give me a better idea of what you're familiar with.

> you'd tell them they need to add it and they would

Different levels. We were not after juniors in that case, but people who can do independent work. The question would be way more specific otherwise.

> No need to obfuscate your intentions and have them read your mind in what you're looking for.

It's not about mind reading. For that role, you either know how to create/manage serious applications or not. Your specific ideas may be different than mine and that's fine, but the general areas of interest will match. E.g. whether you register some event notifications, do text logging, persist decision journal, or do something else — you'll likely mention that. And you may forget/miss one or two things - that happens. But you don't miss them all if you're a good candidate for that position.