There are robotic pickers either deployed or in the works:
https://www.youtube.com/watch?v=OIWdE2iLyJY
https://www.youtube.com/watch?v=WBmFH7fNxnA
https://www.youtube.com/watch?v=TBcWZcjXr-I
I have seen some automation used to harvest grapes in vineyards. But a lot of it is still done by hand. Guessing some grape varietals are still too delicate.