1、design single 添加 design elements

2、design single -- print添加level2Type
3、替换部分flask接口 为 fastAPI接口

src/main/java/com/ai/da/service/DesignItemDetailPrintService.java

@@ -6,7 +6,7 @@ import com.baomidou.mybatisplus.extension.service.IService;
 import java.util.List;
 
 public interface DesignItemDetailPrintService extends IService<DesignItemDetailPrint> {
-    List<DesignItemDetailPrint> getByDesignItemDetailId(Long designItemDetailId);
+    List<DesignItemDetailPrint> getByDesignItemDetailId(Long designItemDetailId, String printType);
 
     void deleteByDesignItemDetailId(Long designItemDetailId);
 }