you can drag items from your inventory to the shelf before starting your workday and from the shelf to the counter during... there is a tutorial but it only flashes during day 1 :)
also the windows version is behind the browser version a little, so if it's not bugged in that, the fix will come with some minimal post jam fix up... but i need a little code break as i am a potato programmer and did quite a lot when the deadline drew near
ty for trying the game ^^