-- Restores the constraint dropped by 000003.
--
-- NOTE: this will FAIL on any database holding the seeded demo dataset, because
-- that data is what the constraint rejects. That is the point of dropping it.
-- Roll back only on a database whose applications satisfy the predicate.

SET search_path = public;

ALTER TABLE public.job_applications
  ADD CONSTRAINT job_applications_screened_consistent CHECK (
    status = 'applied' OR screened_at IS NOT NULL OR ai_score = 0
  );