@Magic
These are just some of the thoughts I got from reading your posts.
Take your time reading through these, things shouldn't be rushed.
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Have you considered the cat to be a guardian spirit of some sort ?
I was meditating through some old memories of things I learned by way of Native American belief systems
and according to the Navajo, a black cat is actually a great spirit to have around.
There is some mention of it here>
Black Cat Symbolism & Meaning | Black Cat Spirit, Totem & Power Animal.
As for the Deja Vu....It would be up to you to say what the Deja Vu is for you ?
What are the circumstance behind this feeling. Scary or at peace like drifting away.
Or is it just a Random feeling of Deja Vu that seems disconnected...Like being suddenly removed from all else.
What I am getting at is,
there are many things that could cause this
feeling besides spirit intervention.
Have you ever had a Vision before?
This could actually be what is happening to you.
The same used to happen to me when I was younger.
Meditation might be a key to your answer(s).