refactor: 根包由 com.bestsch.bschclassmanage 重命名为 com.yunhai.bschclassmanage

- git mv src/main/java/com/bestsch/bschclassmanage -> src/main/java/com/yunhai/bschclassmanage
- 255 个 Java 文件的 package/import 同步替换为 com.yunhai.bschclassmanage
- pom.xml 项目 groupId 设为 com.yunhai（与外部依赖 com.bestsch:bsch-* 无关，未改动）
- IDE 缓存 workspace.xml 路径同步更新（外部依赖坐标 com.bestsch:bsch-* 保持不动）

src/main/java/com/yunhai/bschclassmanage/service/IComSchTreeService.java

@@ -0,0 +1,46 @@
+package com.yunhai.bschclassmanage.service;
+
+import com.yunhai.bschclassmanage.entity.BaseDicGrade;
+import com.yunhai.bschclassmanage.model.tool.BaseTree;
+import com.yunhai.bschclassmanage.model.vo.SchSystemTreeVO;
+import com.yunhai.bschclassmanage.model.vo.SelectIntVO;
+import com.yunhai.bschclassmanage.model.vo.SelectStrVO;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+import java.util.Map;
+
+@Service
+public interface IComSchTreeService {
+
+     SchSystemTreeVO getGradeTree(Integer schId);
+
+     SchSystemTreeVO getClassHistoryTree(Integer schId);
+
+     SchSystemTreeVO getClassTree(Integer schId);
+
+     SchSystemTreeVO getHigherSchGradeTree(Integer schId);
+
+     SchSystemTreeVO getHigherSchClassTree(Integer schId);
+
+
+     List<BaseTree> getSchTree(Integer schId);
+
+     BaseTree getTeacherTree(Integer schId);
+
+     List<SelectIntVO> getSchoolList();
+
+     BaseTree getTeaTree(Integer schId);
+
+     void validateGroupsBelongToSchool(Integer schId,List<Integer> groupIds);
+
+     String getTeaGroupName(Integer schId, Integer id);
+
+     List<SelectIntVO> getTeaGroupNameList(Integer schId, List<Integer> ids);
+
+     List<BaseTree> getGroupTree();
+
+     String getSchoolName(Integer schId);
+
+     Map<Integer,List<SelectIntVO>> getSchGroupTypeList(Integer schId, int type);
+}