[Audit] Implementar Step `audit.schema_types` (auditoria Estrutural Por Coluna)

这个过程被称为审计。 什么是审计（audit）呢？ audit is the examination or inspection of various actions of accounts to make sure that all operations are following documented regulations. Smeta的通知类型： 1.announced全通知（告知具体审核日期） 2.semi-announced半通知（for the semi-announced audits, the audit windows shall range between 2 weeks and 2 months窗口期至少2. Definition of audit (entry 1 of 2) 1a:

A formal examination of an organization's or individual's accounts or financial situationthe audit showed that the company had misled investors. Internal audit｜内审 术语解释： internal audit is an independent, objective assurance and consulting activity.