-- B10只导出无正文的返修比较证明；B06只读，不据此自动采纳候选或修改正文。
CREATE TABLE public.muse_revision_comparison_receipt (
    receipt_id uuid PRIMARY KEY,
    author_id text NOT NULL,
    experiment_id uuid NOT NULL REFERENCES evaluation.muse_experiment(experiment_id),
    session_id uuid NOT NULL,
    round_number integer NOT NULL CHECK(round_number BETWEEN 1 AND 5),
    candidate_id uuid NOT NULL REFERENCES public.muse_writing_candidate(candidate_id),
    payload jsonb NOT NULL CHECK(jsonb_typeof(payload)='object'),
    payload_hash text NOT NULL CHECK(payload_hash ~ '^[0-9a-f]{64}$'),
    created_at timestamptz NOT NULL DEFAULT clock_timestamp(),
    FOREIGN KEY(session_id,author_id)
        REFERENCES public.muse_revision_session(session_id,author_id),
    FOREIGN KEY(session_id,round_number)
        REFERENCES public.muse_revision_round(session_id,round_number),
    UNIQUE(author_id,experiment_id,payload_hash)
);

REVOKE ALL ON public.muse_revision_comparison_receipt FROM PUBLIC,muse_app,muse_eval;
CREATE TRIGGER muse_revision_comparison_receipt_immutable BEFORE UPDATE OR DELETE
    ON public.muse_revision_comparison_receipt FOR EACH ROW
    EXECUTE FUNCTION public.muse_guard_literary_history();

-- 生产侧只能看到已导出的最小证明及实验是否停止，看不到oracle中的固定文本对或匿名映射。
CREATE VIEW public.muse_revision_comparison_status WITH (security_barrier=true) AS
SELECT r.receipt_id,r.author_id,r.experiment_id,r.session_id,r.round_number,
       r.candidate_id,r.payload,r.payload_hash,
       EXISTS (
           SELECT 1 FROM evaluation.muse_experiment_stop s
           WHERE s.experiment_id=r.experiment_id
       ) AS stopped
FROM public.muse_revision_comparison_receipt r;

REVOKE ALL ON public.muse_revision_comparison_status FROM PUBLIC,muse_app,muse_eval;
GRANT SELECT ON public.muse_revision_comparison_status TO muse_app,muse_eval;