if I'm not mistaken the Intent categories available now are only

Books Browsers Cameras Document readers File management Journals Mail Photos Presentations Spreadsheets Whiteboards Word processors

One hour 39 + 39 seconds in the demo

I think the context of these were that these contexts were included in the trained model, so it can interact with this kind of “intents”. Ios has a very wide-reaching “intent” system, readily accessible from Shortcuts.