Christophe wrote:

Since I'm considering doing it, are there any natlangs where the verb
person marking, pronouns etc mark an animate/inanimate distinction but
not a masc/fem distinction?>>

While I can't think of any language off-hand, I must answer with an unqualified yes.  I'd wager there are tons.  Dirk will know.  Dirk knows everything.  ~:D