feat(复习)：标准思维导图生成与回忆对比

- 新增 review_standard_mind_maps / review_recall_records 数据表
- BuiltinMindMapGenerator：从报告/残片/应用场景规则生成标准导图
- MindMapAiClient 接口 + RemoteAiMindMapClient 预留
- StandardMindMapService：生成/编辑/重新生成/回忆对比
- 对比算法：标题归一化 + Bigram Jaccard 模糊匹配
- ReviewController 新增 6 个端点
- MindMapTreeTool / MindMapNode / CompareResult 工具类
- 完整单元测试（10 个，全部通过）
- 更新 docs/review-module-design.md

src/main/java/com/guo/learningprogresstracker/dto/request/CreateTaskApplicationRequest.java

@@ -4,9 +4,8 @@ import jakarta.validation.constraints.NotBlank;
 import lombok.Data;
 
 @Data
-public class CreateReviewApplicationRequest {
+public class CreateTaskApplicationRequest {
 
-    @NotBlank(message = "任务编号不可为空")
     private String taskNum;
 
     @NotBlank(message = "应用项目标题不可为空")

src/main/java/com/guo/learningprogresstracker/dto/request/RecallCompareRequest.java

@@ -0,0 +1,14 @@
+package com.guo.learningprogresstracker.dto.request;
+
+import jakarta.validation.constraints.NotBlank;
+import lombok.Data;
+
+/**
+ * 用户回忆对比请求
+ */
+@Data
+public class RecallCompareRequest {
+
+    @NotBlank(message = "回忆大纲不可为空")
+    private String recallOutline;
+}

src/main/java/com/guo/learningprogresstracker/dto/request/UpdateStandardMindMapRequest.java

@@ -0,0 +1,14 @@
+package com.guo.learningprogresstracker.dto.request;
+
+import jakarta.validation.constraints.NotBlank;
+import lombok.Data;
+
+/**
+ * 更新标准思维导图（大纲文本形式）请求
+ */
+@Data
+public class UpdateStandardMindMapRequest {
+
+    @NotBlank(message = "思维导图大纲不可为空")
+    private String outline;
+}

src/main/java/com/guo/learningprogresstracker/dto/request/UpdateTaskApplicationRequest.java

@@ -4,7 +4,7 @@ import jakarta.validation.constraints.NotBlank;
 import lombok.Data;
 
 @Data
-public class UpdateReviewApplicationRequest {
+public class UpdateTaskApplicationRequest {
 
     @NotBlank(message = "应用项目标题不可为空")
     private String title;