feat(questionnaire): 新增问卷管理 V2 版本接口

- 添加了新的 QuestionnaireV2Controller 类，实现了问卷管理的 CRUD操作
- 新增了问卷答案查看和统计功能相关接口
- 重构了 ResponseDetailResponse 类，将 AnswerDetailResponse 类独立出来- 简化了 CreateQuestionOptionRequest 类的结构

src/main/java/com/ycwl/basic/integration/questionnaire/dto/answer/AnswerDetailResponse.java

@@ -0,0 +1,20 @@
+package com.ycwl.basic.integration.questionnaire.dto.answer;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+
+@Data
+public class AnswerDetailResponse {
+    
+    @JsonProperty("questionId")
+    private Long questionId;
+    
+    @JsonProperty("questionTitle")
+    private String questionTitle;
+    
+    @JsonProperty("questionType")
+    private Integer questionType;
+    
+    @JsonProperty("answer")
+    private String answer;
+}

src/main/java/com/ycwl/basic/integration/questionnaire/dto/answer/ResponseDetailResponse.java

@@ -26,19 +26,3 @@ public class ResponseDetailResponse {
     @JsonProperty("answers")
     private List<AnswerDetailResponse> answers;
 }
-
-@Data
-class AnswerDetailResponse {
-    
-    @JsonProperty("questionId")
-    private Long questionId;
-    
-    @JsonProperty("questionTitle")
-    private String questionTitle;
-    
-    @JsonProperty("questionType")
-    private Integer questionType;
-    
-    @JsonProperty("answer")
-    private String answer;
-}

src/main/java/com/ycwl/basic/integration/questionnaire/dto/question/CreateQuestionOptionRequest.java

@@ -25,10 +25,4 @@ public class CreateQuestionOptionRequest {
     
     @JsonProperty("sort")
     private Integer sort = 0;
-    
-    public CreateQuestionOptionRequest(String text, String value, Integer sort) {
-        this.text = text;
-        this.value = value;
-        this.sort = sort;
-    }
 }