This Ask is quite similar to one which ran a couple of weeks ago, "Ask HN: What was your "oh shit" moment with GenAI?" (1,182 comments):

<https://news.ycombinator.com/item?id=48406174>

Unless HN mods want to add this as (another) regular recurring feature, it might be considered a dupe.

No, I think it's a different question. That was "what were you sure that AI couldn't do, and then you saw it do it". This is "practically, how do you make it work"?