Work related versions of this, expense report:

https://youtu.be/h0Bg-lqNlkU

In general Just-In-Time app generation is a bad idea. The right approach is to create human-in-loop tools that a bot would recognize and invoke as needed, of course the human-in-loop tool would itself be AI generated.

Example of human-in-loop tool in use:

https://youtu.be/srG5Ze7mS7s