Really cute game and a nice idea! Was a little unclear on the gameplay, whether customers actually bought items, as it seemed that after a while, items stopped being taken from the shop, or I had I had to just continuously stock while keeping a path clear as the cat got in the way.
It seemed that ratings went down if they couldn't get through, but this was unclear as some other people have said so maybe a little visual indication (a sad face above their head or a speech bubble saying they couldn't get through before they turn around) would have been nice. A way to get ratings back up might have been nice as well but that's probably another thing that would be a time sink in a jam to add more layers to the gameplay!
A bug(?) I encountered was that sometimes a red hexagon would appear on customers. It seemed to be when there was more than one customer was in and the second couldn't get through (I think?). I also didn't get any sound in the game.
The graphics were very cute and I appreciate the cat a lot! The variety of customers and items was nice. The whole thing was very cohesive and looked like a proper game! The way the customers walk back and forth and pause a little make it more interesting and more like they're browsing rather than just walking straight through.
Maybe throwing some weirder shapes in there too as the game goes on would make the difficulty scale in a more interesting way as well.
Overall, super cute vibes and a nice idea, although, gameplay could be clearer.
Edit: I went back in and turned the sound up in the settings option and this seemed to activate the sound. Could still hear it after I turned it back down to where it was originally so I don't think it was my pc being too quiet. The audio added a lot and made it much clearer that they were buying items. It also made me realise (I think) that the red hex comes up when the item they are looking for is not in stock. Like previous comments, some indication of what they are looking for would be nice. You could just put this in a thinking bubble or something.
I'm now about 90% sure that people stopped buying things when I hit a score of 25. They just walked through and didn't pick anything up.