feat: add getTaskReview API endpoint for fetching all reports and fragments by task number

src/main/java/com/guo/learningprogresstracker/controller/ReviewController.java

@@ -32,6 +32,14 @@ public class ReviewController {
         return CommonResult.success(reviewService.getReviewFeed(limit));
     }
 
+    /**
+     * 获取指定任务下的所有报告和残片
+     */
+    @GetMapping("/task/{taskNum}")
+    public CommonResult<List<ReviewFeedItem>> getTaskReview(@PathVariable String taskNum) {
+        return CommonResult.success(reviewService.getTaskReview(taskNum));
+    }
+
     /**
      * 获取报告详情
      */

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

@@ -16,4 +16,9 @@ public interface ReviewMapper {
      * 获取最近的学习报告和残片，合并排序后返回
      */
     List<ReviewFeedItem> selectReviewFeed(@Param("limit") int limit);
+
+    /**
+     * 获取指定任务下的所有报告和残片，按时间倒序
+     */
+    List<ReviewFeedItem> selectTaskReview(@Param("taskNum") String taskNum);
 }

src/main/java/com/guo/learningprogresstracker/service/ReviewService.java

@@ -17,6 +17,11 @@ public interface ReviewService {
      */
     List<ReviewFeedItem> getReviewFeed(int limit);
 
+    /**
+     * 获取指定任务下的所有报告和残片
+     */
+    List<ReviewFeedItem> getTaskReview(String taskNum);
+
     /**
      * 获取报告详情
      */

src/main/java/com/guo/learningprogresstracker/service/impl/ReviewServiceImpl.java

@@ -30,6 +30,11 @@ public class ReviewServiceImpl implements ReviewService {
         return reviewMapper.selectReviewFeed(limit);
     }
 
+    @Override
+    public List<ReviewFeedItem> getTaskReview(String taskNum) {
+        return reviewMapper.selectTaskReview(taskNum);
+    }
+
     @Override
     public StudyReportsEntity getReportDetail(int id) throws NotFindEntitiesException {
         return Optional.ofNullable(studyReportsMapper.selectById(id))