Do you have an index number on your hsv1 test? It should say something like 4.92, or 11.8, or 33.45, etc.
It is quite possible that you had oral hsv1 prior to this event. 67% of people under 50 globally do, and the vast majority never get any symptoms so they never know they have it.
Herpes wouldn't give you symptoms on your hands and feet. Did you get a syphilis test? That would be listed as an RPR, VDRL, FTA, TP-PA, or EIA. It might have the words non-treponemal or treponemal in it. Your rash doesn't sound a lot like a syphilis rash, but it's good to know if that test was negative.
I know you are scared right now, but multiple partners doesn't mean huge risk they have always used protection. Try to remain calm here. You judged your friend as worthy to have sex with before the condom broke, and that doesn't change because it did.
I say that not to judge you or lecture, but to hopefully help calm you.