架构性调整【懒得区分了，哈哈哈哈】，主要是跑通了第一个功能测试

src/main/java/com/guo/learningprogresstracker/mapper/TasksMapper.java

@@ -1,6 +1,6 @@
 package com.guo.learningprogresstracker.mapper;
 
-import com.guo.learningprogresstracker.entity.TasksEntity;
+import com.guo.learningprogresstracker.entity.TaskEntity;
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import org.apache.ibatis.annotations.Mapper;
 
@@ -11,7 +11,7 @@ import org.apache.ibatis.annotations.Mapper;
 * @Entity com.guo.learningprogresstracker.entity.TasksEntity
 */
 @Mapper
-public interface TasksMapper extends BaseMapper<TasksEntity> {
+public interface TasksMapper extends BaseMapper<TaskEntity> {
 
 }