Vim's tabs are horrible if you insist on using it like other apps' tabs but they are really useful exactly for that kind of situation: just open a new tab with

Vim's tabs are horrible if you insist on using it like other apps' tabs but they are really useful exactly for that kind of situation: just open a new tab with your "stuff from a different context". From there, switching from tab (context) to tab (context) is pretty easy with gt and gT. No inductive stack to corrupt, no complex mental projections…