fix(sql): fix sql script

README.md

@@ -49,9 +49,8 @@ flowchart LR
 - [src/services/mod.rs](file:///home/shay/project/backend/iam-service/src/services/mod.rs)：业务逻辑（注册/登录）与数据库交互
 - [src/models.rs](file:///home/shay/project/backend/iam-service/src/models.rs)：DB Model 与请求/响应 DTO（同时用于 OpenAPI Schema）
 - [src/utils/mod.rs](file:///home/shay/project/backend/iam-service/src/utils/mod.rs)：密码哈希与 JWT 签发工具
-- [sql/schema_post_init.sql](file:///home/shay/project/backend/iam-service/sql/schema_post_init.sql)：Schema 初始化（DDL+DML，适用于开发/测试）
-- [scripts/db/rebuild_iam_db.sh](file:///home/shay/project/backend/iam-service/scripts/db/rebuild_iam_db.sh)：一键重建 schema（可选备份+DROP+重建+校验）
-- [docs/DB_PROVISIONING.md](file:///home/shay/project/backend/iam-service/docs/DB_PROVISIONING.md)：数据库/用户创建与 schema 初始化说明（归档）
+- [scripts/db/README.md](file:///home/shay/project/backend/iam-service/scripts/db/README.md)：数据库迁移/校验/回滚说明（开发/测试/生产）
+- [scripts/db/rebuild_iam_db.sh](file:///home/shay/project/backend/iam-service/scripts/db/rebuild_iam_db.sh)：开发用一键重建（会清库重建+迁移+校验，不适合生产）
 
 ## 快速开始