CREATE TABLE assessor_cve_enrichments (
  cve_id text PRIMARY KEY CHECK (cve_id ~ '^CVE-[0-9]{4}-[0-9]{4,}$'),
  source text NOT NULL CHECK (source = 'nvd'),
  last_modified_at timestamptz NOT NULL,
  fetched_at timestamptz NOT NULL,
  data jsonb NOT NULL CHECK (jsonb_typeof(data) = 'object')
);

CREATE INDEX assessor_cve_enrichments_last_modified_idx
  ON assessor_cve_enrichments (last_modified_at DESC);

CREATE INDEX assessor_cve_enrichments_search_idx
  ON assessor_cve_enrichments USING gin (
    to_tsvector('simple'::regconfig,
      coalesce(data->>'cveId', '') || ' ' || coalesce(data->>'description', ''))
  );