Urine diversion

Does anyone know of any resources/products related to adding urine diversion to an existing home connected to the city for Blackwater? Can't dry toilet and compost for reasons below.

I'm on a suburban lot, and would love to give my urine to my garden, but as we plan to sell in a year or so to buy a proper farm/homestead, swapping the toilet and doing a fuckton of plumbing that the next homeowner is likely to remove isn't worth the investment.

ATM one female using facilities 7/7 days, one male 3/7 days. Prolly another male 6/7 days before we sell as the nephew wants to finish high school in this town.

Whatever we do has to fit in the single existing 1956 proportioned bathroom, and I have no space to process humanure. (Have goats instead) Looking for suggestions to take our urine out of the city process without bothering with humanure.

Have you considered a separate urine pot?
I use a 2l milk bottle at night to save walking around in the dark!