sketch暂时修改为java端推荐，根据style进行推荐

src/main/java/com/ai/da/mapper/primary/WorkspaceMapper.java

@@ -24,4 +24,5 @@ public interface WorkspaceMapper extends CommonMapper<Workspace> {
      */
     List<WorkspaceVO> selectWorkspacePage(IPage page, WorkspaceVO workspace);
 
+    String getStyleByProjectId(Long projectId);
 }

src/main/java/com/ai/da/mapper/secondary/AttributeRetrievalMapper.java

@@ -30,4 +30,8 @@ public interface AttributeRetrievalMapper {
     void updateStyleByFileName(String style, String fileName, String tableName);
 
     String getStyleByUrl(String replace,String tableName);
+
+    Integer getCountByStyle(String tableName, String style);
+
+    String getOneSystemSketchRadom(String tableName, String style, Integer randomNum);
 }