feat:新增接口

repositories/sys_user.py

@@ -1,7 +1,7 @@
-"""sys_user 仓储：认证用按用户名/主键取用户。"""
+"""sys_user 仓储：认证用按用户名/主键取用户 + 账号状态更新。"""
 from __future__ import annotations
 
-from sqlalchemy import select
+from sqlalchemy import select, update
 
 from model.sys_user import SysUser
 from repositories.base import BaseRepository
@@ -14,4 +14,11 @@ class SysUserRepo(BaseRepository):
         return await self.db.scalar(select(SysUser).where(SysUser.username == username))
 
     async def get_by_phone(self, phone: str) -> SysUser | None:
-        return await self.db.scalar(select(SysUser).where(SysUser.phone == phone))
+        return await self.db.scalar(select(SysUser).where(SysUser.phone == phone))
+
+    async def update_status(self, user_id: int, status: str) -> int:
+        """更新账号状态（如风控冻结客户）。不 commit，由 service 层事务统一提交。"""
+        result = await self.db.execute(
+            update(SysUser).where(SysUser.id == user_id).values(status=status)
+        )
+        return result.rowcount