-- 店铺保存独立的平台业务员归属；不建立外键，不回填存量店铺。
ALTER TABLE tb_shop
    ADD COLUMN business_owner_account_id bigint;

CREATE INDEX idx_shop_business_owner_account_id
    ON tb_shop (business_owner_account_id);

COMMENT ON COLUMN tb_shop.business_owner_account_id IS '平台内部业务员账号ID，仅用于业务归属与通知接收';
