-- B10公开输入与答案分区封存；muse_app不能访问evaluation/oracle。
CREATE TABLE evaluation.muse_dataset_version (
    version_id uuid PRIMARY KEY,
    dataset_id text NOT NULL,
    revision bigint NOT NULL CHECK(revision>0),
    public_manifest jsonb NOT NULL CHECK(jsonb_typeof(public_manifest)='object'),
    public_hash text NOT NULL CHECK(public_hash ~ '^[0-9a-f]{64}$'),
    created_at timestamptz NOT NULL DEFAULT clock_timestamp(),
    UNIQUE(dataset_id,revision)
);
CREATE TABLE oracle.muse_dataset_answers (
    version_id uuid PRIMARY KEY REFERENCES evaluation.muse_dataset_version(version_id),
    answers jsonb NOT NULL CHECK(jsonb_typeof(answers)='array'),
    answer_hash text NOT NULL CHECK(answer_hash ~ '^[0-9a-f]{64}$')
);
-- 发布资料由维护入口写；评测角色只能读取封存输入，不修改样本与分割。
REVOKE INSERT,UPDATE,DELETE,TRUNCATE ON evaluation.muse_dataset_version FROM muse_eval;
CREATE TABLE evaluation.muse_experiment (
    experiment_id uuid PRIMARY KEY,
    author_id text NOT NULL,
    command_id text NOT NULL,
    request_hash text NOT NULL CHECK(request_hash ~ '^[0-9a-f]{64}$'),
    dataset_version_id uuid NOT NULL REFERENCES evaluation.muse_dataset_version(version_id),
    conditions jsonb NOT NULL CHECK(jsonb_typeof(conditions)='object'),
    conditions_hash text NOT NULL CHECK(conditions_hash ~ '^[0-9a-f]{64}$'),
    sample_ids jsonb NOT NULL CHECK(jsonb_typeof(sample_ids)='array' AND jsonb_array_length(sample_ids)>0),
    created_at timestamptz NOT NULL DEFAULT clock_timestamp(),
    UNIQUE(author_id,command_id)
);
CREATE TABLE oracle.muse_blind_assignment (
    assignment_id uuid PRIMARY KEY,
    experiment_id uuid NOT NULL REFERENCES evaluation.muse_experiment(experiment_id),
    sample_id text NOT NULL,
    arm_order jsonb NOT NULL CHECK(jsonb_typeof(arm_order)='array'),
    UNIQUE(experiment_id,sample_id)
);
-- 编排可追加匿名映射，不增加答案写权限或映射更新权限。
GRANT INSERT ON oracle.muse_blind_assignment TO muse_eval;
CREATE TRIGGER dataset_history_guard BEFORE UPDATE OR DELETE ON evaluation.muse_dataset_version
FOR EACH ROW EXECUTE FUNCTION public.muse_guard_literary_history();
CREATE TRIGGER answer_history_guard BEFORE UPDATE OR DELETE ON oracle.muse_dataset_answers
FOR EACH ROW EXECUTE FUNCTION public.muse_guard_literary_history();
CREATE TRIGGER experiment_history_guard BEFORE UPDATE OR DELETE ON evaluation.muse_experiment
FOR EACH ROW EXECUTE FUNCTION public.muse_guard_literary_history();
CREATE TRIGGER assignment_history_guard BEFORE UPDATE OR DELETE ON oracle.muse_blind_assignment
FOR EACH ROW EXECUTE FUNCTION public.muse_guard_literary_history();