I've never read a "jay walking" statute.
Depends and the totality of the incident it might have been endangerment... More than likely it is real stupid, unfortunately that's not illegal.
You're right. I just read the GA code for pedestrians and it does not expressly forbid crossing outside of a crosswalk, but it does instruct pedestrians to yield to oncoming traffic (no crap really?).
It would ruin my day to turn children into a grease spot because their mother is too lazy to walk to the light. I don't care much about the adult; she is old enough to take her own life into her hands.