Hi,
Welcome to The Villages! I hope you and your neighbor are able to work together. Good neighbors are like trees in Florida (worth millions!):
Link to Deed Restrictions (Find your district and then your villa name or UNIT number> The unit # of your home is listed on your golf ID as UL #)
VCDD Deed Compliance - Sumter County
On their website I could only find courtyard property line images, but the terms they use are the same as patio villas.
https://www.districtgov.org/departme.../CourtYard.pdf
Hope you find this helpful!