I think it’s better to make register of just pressing the button because if I hold [E] a little longer, item will put down and picked up infinitely and quickly, so I can’t bring coffee beans into the coffee machine. Also, I faced a bug with grown beans: if I hold [E] a little longer, beans will be put into pot again, but if I’ll try to do it in another pot it won’t be done. There’s no understanding of how much time passed. Maybe, it’ll be better to make clock, imho. And I don’t know how to improve coffee quality, but I guess it’s not unrealized mechanic.

Visual is pretty cute and pleasing to the eye, I like it. I hope you won’t abandon your project and it’ll be cool game. Good luck ;)