CREATE TABLE IF NOT EXISTS rag_ocr_recovery_audit (
  recovery_id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
  version_id uuid NOT NULL REFERENCES rag_source_versions(version_id) ON DELETE RESTRICT,
  recovered_by text NOT NULL,
  reason text NOT NULL,
  outcome text NOT NULL CHECK (outcome IN ('closed_failed')),
  error_code text NOT NULL,
  created_at timestamptz NOT NULL DEFAULT now()
);