The chance of getting HSV 1 after having an established HSV 2 infection is something like on in 55,000. HSV 2 protects against HSV 1 but the reverse is not true.
The IgG test for HSV 1 misses 30% of infections, compared to the gold standard western blot so not a great test for HSV 1.
Why couldn’t she swab your lip?
If you want to know if you have HSV 1 you could do the western blot
But honestly, HSV 1 just doesn’t last that long, especially while taking medication for HSV 2.