Uzi was dead from the start khan made a deal with the solver to bring her back as a hologram. I mean nori did die after Uzi was born so presumably the disassemble drones did exist.

So I have an idea that the solver made a separate ai for Uzi and there is this weird hologram thing in the final episode. And Khan would presumably know about the solver from nori and just repressed him making the deal.

And Uzi merged with the solver after eating it.

BUT THATS JUST A THEORY A FIM THEORY