Also sucks that with all the FLPD guys I know and am friendly with, none of them seem to work in the district where we live :(
Perhaps you can ask them to have a quiet word with the guys who do work in your district.
As for the rest, I wouldn't have any other contact with the neighbor. If her dog gets out, it goes to AC/municipal shelter. If she parks on your property, the car gets towed after you cut the grass and cover it with lawn clippings. If she has "code violations", document and report them.
You tried playing nice, it didn't work. Time to play hardball.
This, except for playing hardball.
Place the corral. Take photos, put in motion lights.
I had shit like this for 30 years, from a dozen different idiots, mostly in the same 2 houses, tried everything, and the only way it ended was when I moved away.
One day, they will choose between good and evil, and the evil ones will be shot to death. Untill then, don't make the same mistake as Lot.