She is beautiful!
First, I’m thinking that it might help to remove the scent of where she’s already peed so she doesn’t continue to associate it with a litter spot. Like wash it with a bit of vinegar and water.
One possibility is that she has eaten more and has to go again after she’s out of her cage. Veggies have more water so it may be stimulating her.
You can put several litter pans outside of her house for her to have an option instead of needing to go all the way back to her main litter pan to go again. If that’s not a conspicuous spot in your house and you can set a litter pan under that table (she’s already chosen that spot) she may opt to go in that pan instead. I used to always have one under a desk for Spockie who used it every time he came out of his house. Sammy, however, will run back from another room to only use her main pan, so they have different preferences. If you set out more than one, watch to see if it helps and which one she chooses, then remove the ones she ignores.
She may like the veggies so much she is excited and has to go! (Or she is punishing you. Bad mommy.
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