once it leaves alpha of course, is it a priority for spec to expose the same api between CLJ and CLJS?

yes

I'm not sure whether it's possible to guarantee 100% fidelity between the two, but certainly should be close. afaik it is mostly the same now (there are some necessary exceptions around the gen namespace, but those should be able to move closer)

impeccable!!! thanks for the info. and totally—they are (at least for us) entirely cross-compatible for spec1. ive gotten so fond of s/schema and s/select that now im almost disenchanted when working with our current specs 😂