Indeed. No one's ever seen anything like this. I'd venture a guess that the higher-ups are hitting their heads over the same thing as we are.
I said that we have no way to make sure, but...
All that means is that her origins, creation, and changes up to this point are unclear.Yet the details of how it happened will not change the fact that she used to be dead, yet was brought back to life with her old memories.
Still just speculating, huh?
All our problems are summed up in this conclusion.
"Was it resurrection," you mean.
Right.
A well-preserved corpse is turned into a jiangshi.
Then the Miracle Mallet turns her into a tsukumogami.
As these two steps created a new being that had her old memories, depending on your point of view, you could treat it as a form of "reincarnation".