It’s not automatic, you’d need to script this in:
It’s all event driven and updated when you choose to, rather than every frame. More work for us, less for the CPU.
the ones that say done are to be staying as done
Do note they have a 25% chance every .5s to start moving to a new location; occasionally it may take them more than 2 seconds to restart if they’re unlucky.
Up to you if you want to make them more snappy. Perhaps you could even leverage this and make it a part of their ancestral upgrade. Less loitering, more apple picking as they get smarter.