Fuck it, .zshrc it is.
Image transcription:
- Top text: I STILL DON'T KNOW WHAT SHOULD GO IN .*RC VERSUS .*PROFILE
- Bottom text: AND AT THIS POINT I'M AFRAID TO ASK
When in doubt, ~/.zshrc. It's the right choice 99% of the time. Otherwise, there's a chance you fuck up scripts you've installed which assume no shell options have been changed in non-interactive contexts.