Reads the whole .monkeys file and shows every profile with what it has and
lacks, in colour on a terminal. It exits non-zero while anything is missing:
--short says only what is wrong: one line per profile with a problem, and
nothing at all when there is none. That is the form to hand a script or an
agent:
monkeys doctor --short
missing @production: STRIPE_SECRET_KEY,SENTRY_DSN
The keys are joined with commas, one word per profile, so a line reads back
as the remember that would fix it.