-- B03拥有完整分析；S02检查点只保留运行证据与结果引用。
CREATE TABLE public.muse_source_analysis (
    author_id text NOT NULL,
    analysis_id text NOT NULL,
    revision bigint NOT NULL DEFAULT 1 CHECK (revision = 1),
    source_id uuid NOT NULL,
    source_revision bigint NOT NULL CHECK (source_revision > 0),
    source_content_hash text NOT NULL CHECK (source_content_hash ~ '^[0-9a-f]{64}$'),
    origin text NOT NULL CHECK (origin IN ('model','checkpoint_history','legacy_import')),
    payload jsonb NOT NULL CHECK (jsonb_typeof(payload) = 'object'),
    content_hash text NOT NULL CHECK (content_hash ~ '^[0-9a-f]{64}$'),
    created_at timestamptz NOT NULL DEFAULT clock_timestamp(),
    PRIMARY KEY (analysis_id),
    FOREIGN KEY (source_id, source_revision) REFERENCES public.muse_source_version(source_id, revision)
);
CREATE INDEX ON public.muse_source_analysis (author_id, source_id, created_at DESC, analysis_id);
CREATE FUNCTION public.muse_guard_source_analysis() RETURNS trigger LANGUAGE plpgsql AS $$
BEGIN
    RAISE EXCEPTION '分析版本只追加，不改写或删除历史';
END;
$$;
CREATE TRIGGER muse_source_analysis_guard BEFORE UPDATE OR DELETE ON public.muse_source_analysis
FOR EACH ROW EXECUTE FUNCTION public.muse_guard_source_analysis();