Diapers, maybe, or the litter / pan would have to be under a constant slight suction? A big enough hamster wheel to give the cat gravity? Someone's gonna have

Diapers, maybe, or the litter / pan would have to be under a constant slight suction? A big enough hamster wheel to give the cat gravity? Someone's gonna have to answer this question in the next decade when rich space tourists want to bring their pets. Heck, a space cat live stream could probably fund a significant part of a new station.