Guests have to be invited to individual pages though, right? So this means I still need to either invite my spouse to every single shared page (which is problem

Guests have to be invited to individual pages though, right? So this means I still need to either invite my spouse to every single shared page (which is problematic if my spouse wants to create a new top-level shared page in my workspace), or nest all the shared stuff under a single top-level page which is annoying (and hurts navigation on mobile).