Zoe is her stripy self and has stopped hissing at Molly, but I gather there is still some tiff between them. She went to her vet appointment and got a clean bill of health except the vet suggested we put her on diet food as she is about 2 lbs over weight. She isn't a huge fan of the food change, but she'll get used to it.
In the meantime, she has returned to her favourite haunts of the back of the chair and sitting by the window. She is currently sitting on the single bed. She has been having fun playing with cat toys and chasing Molly.