-- 监控账号画像补全：作者介绍与获赞总数（同步时经抖音 profile/other 接口回填）。

ALTER TABLE creator_competitor
    ADD COLUMN IF NOT EXISTS signature text NOT NULL DEFAULT '',
    ADD COLUMN IF NOT EXISTS total_favorited bigint;

ALTER TABLE creator_competitor
    ADD CONSTRAINT creator_competitor_counts_non_negative CHECK (
        (follower_count IS NULL OR follower_count >= 0)
        AND (following_count IS NULL OR following_count >= 0)
        AND (total_favorited IS NULL OR total_favorited >= 0)
        AND (aweme_count IS NULL OR aweme_count >= 0)
    );