As I've argued before: She was stabbed multiple times inside her home, in a moderately densely populated area that seems like it would have lots of Ring doorbells.
If it was an attack on Jews in general, why didn't they target an area with multiple victims? If it was a targeted attack on her, why not in a place with less people, less potential surveillance, and a better weapon? This reads more like a spur of the moment attack, a crime of passion.
It's possible that the passion was Why are you saying that Hamas' actions weren't entirely justified?!. But -- most women are killed by men that they know, and the majority of the killers are current or former partners of the victim.