Yes, using something like zod at boundaries is the right approach. (Personally, I'm not convinced zod itself is the way to go -- I'm suspicious of its lack of

Yes, using something like zod at boundaries is the right approach. (Personally, I'm not convinced zod itself is the way to go -- I'm suspicious of its lack of stability. The last thing I want to do is redevelop the boundaries of my system in a few years because zod 4 has been killed off in favor of zod 5, and then again in a few more years for zod 6, etc.)