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/service/TasksService.java

@@ -1,6 +1,8 @@
 package com.guo.learningprogresstracker.service;
 
-import com.guo.learningprogresstracker.entity.TasksEntity;
+import com.guo.learningprogresstracker.dto.request.TaskRequest;
+import com.guo.learningprogresstracker.dto.response.TaskInfoResponse;
+import com.guo.learningprogresstracker.entity.TaskEntity;
 import com.baomidou.mybatisplus.extension.service.IService;
 
 /**
@@ -8,6 +10,10 @@ import com.baomidou.mybatisplus.extension.service.IService;
 * @description 针对表【tasks(存储学习任务的基本信息，包括优先级的多维度计算)】的数据库操作Service
 * @createDate 2024-06-09 15:28:48
 */
-public interface TasksService extends IService<TasksEntity> {
+public interface TasksService extends IService<TaskEntity> {
+
+    TaskInfoResponse showTask(String taskId);
+
+    String addTask(TaskRequest taskRequest);
 
 }