The photos verbs pinned the JMAP accountId to the signed-in account; the session exposes other accounts (family) whose spaces the same credentials may reach. Every photos command now takes --as <account> (id or name), resolved against the session's accounts map; unknown names answer usage with the accounts on offer.
Live-verified against srv.ordner.fyi: listing Philipp Dunkel's library with emma@ordner.fyi's app password; negative case answers usage. Battery 128/128, SKILL.md regenerated.