Edit for clarity.
Regardless of whether you were notified, if you can see that you are banned, it is by definition not a shadow ban.
Shadow ban is explicity "pretend to user they are not banned, but don't show it to everyone else"
Like say getting shadow banned on reddit or HN, you will see your stuff when you're logged in, but anonymous or other people wont.
Search equivalent would be you getting your own site when you're searching but nobody else does
What shall we call that instead, "bubble ban", since it is like a shadow ban for specific bubbles and for everyone else it is as if that bubble never existed on the site?