-- B07只追加带真实来源的运行观察；与V0046作者自报指标分开。
CREATE TABLE public.muse_run_observation (
    observation_id uuid PRIMARY KEY,
    author_id text NOT NULL CHECK (btrim(author_id) <> ''),
    source_ids uuid[] NOT NULL CONSTRAINT muse_run_observation_source_ids_nonempty
        CHECK (cardinality(source_ids) > 0 AND array_position(source_ids,NULL) IS NULL),
    source_set_hash text NOT NULL CHECK (source_set_hash ~ '^[0-9a-f]{64}$'),
    phenomenon text NOT NULL CHECK (length(btrim(phenomenon)) BETWEEN 1 AND 200),
    issue_key text NOT NULL DEFAULT '',
    state text NOT NULL DEFAULT 'observation' CHECK (state = 'observation'),
    request_hash text NOT NULL CHECK (request_hash ~ '^[0-9a-f]{64}$'),
    payload jsonb NOT NULL CONSTRAINT muse_run_observation_sources_present CHECK (
        CASE WHEN jsonb_typeof(payload->'sources') = 'array' THEN
            jsonb_array_length(payload->'sources') > 0 AND NOT jsonb_path_exists(payload,
                '$.sources[*] ? (!exists(@.runtime.task_id) || !exists(@.runtime.attempt_id)
                || !exists(@.locator.content_hash) || @.runtime.task_id.type() != "string"
                || @.runtime.attempt_id.type() != "string" || @.locator.content_hash.type() != "string"
                || @.runtime.task_id == "" || @.runtime.attempt_id == "" || @.locator.content_hash == "")')
        ELSE false END),
    content_hash text NOT NULL CHECK (content_hash ~ '^[0-9a-f]{64}$'),
    created_at timestamptz NOT NULL DEFAULT clock_timestamp(),
    UNIQUE(author_id,source_set_hash,phenomenon)
);
CREATE INDEX ON public.muse_run_observation(author_id,issue_key,created_at);
CREATE TABLE public.muse_run_observation_command (
    author_id text NOT NULL,
    command_id text NOT NULL CHECK (btrim(command_id) <> ''),
    observation_id uuid NOT NULL REFERENCES public.muse_run_observation(observation_id),
    request_hash text NOT NULL CHECK (request_hash ~ '^[0-9a-f]{64}$'),
    PRIMARY KEY(author_id,command_id)
);
CREATE TRIGGER muse_run_observation_immutable BEFORE UPDATE OR DELETE
    ON public.muse_run_observation FOR EACH ROW
    EXECUTE FUNCTION public.muse_guard_literary_history();
CREATE TRIGGER muse_run_observation_command_immutable BEFORE UPDATE OR DELETE
    ON public.muse_run_observation_command FOR EACH ROW
    EXECUTE FUNCTION public.muse_guard_literary_history();
REVOKE ALL ON public.muse_run_observation,public.muse_run_observation_command FROM muse_eval;
GRANT SELECT,INSERT ON public.muse_run_observation,public.muse_run_observation_command TO muse_app;