feat: 新增复习任务统计接口

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

@@ -1,6 +1,7 @@
 package com.guo.learningprogresstracker.controller;
 
 import com.guo.learningprogresstracker.dto.ReviewFeedItem;
+import com.guo.learningprogresstracker.dto.ReviewTaskStats;
 import com.guo.learningprogresstracker.entity.CommonResult;
 import com.guo.learningprogresstracker.entity.StudyReportFragmentsEntity;
 import com.guo.learningprogresstracker.entity.StudyReportsEntity;
@@ -32,6 +33,22 @@ public class ReviewController {
         return CommonResult.success(reviewService.getReviewFeed(limit));
     }
 
+    /**
+     * 获取任务维度的复习统计汇总
+     */
+    @GetMapping("/tasks")
+    public CommonResult<List<ReviewTaskStats>> getReviewTaskStats() {
+        return CommonResult.success(reviewService.getReviewTaskStats());
+    }
+
+    /**
+     * 获取指定任务的复习统计汇总
+     */
+    @GetMapping("/tasks/{taskNum}")
+    public CommonResult<ReviewTaskStats> getReviewTaskStats(@PathVariable String taskNum) {
+        return CommonResult.success(reviewService.getReviewTaskStats(taskNum));
+    }
+
     /**
      * 获取指定任务下的所有报告和残片
      */