feat(role): 新增获取用户角色接口

- 在RoleController中新增getUserRole方法，用于获取所有用户角色
- 添加RoleService接口及其实现类RoleServiceImpl
- 创建RoleResponse DTO并优化UserProfileResponse中的角色映射逻辑
- 引入RoleService依赖并配置相关注解以支持新功能
- 实现角色数据的查询与转换，返回标准ApiResult格式结果

chaos_api_domain/src/main/java/cn/nopj/chaos_api/dto/response/RoleResponse.java

@@ -1,8 +1,15 @@
 package cn.nopj.chaos_api.dto.response;
 
+import cn.nopj.chaos_api.domain.entity.Role;
 import lombok.Data;
 @Data
 public class RoleResponse {
     private Long id;
     private String name;
+
+
+    public RoleResponse(Role role){
+        this.id = role.getId();
+        this.name = role.getName();
+    }
 }

chaos_api_domain/src/main/java/cn/nopj/chaos_api/dto/response/UserProfileResponse.java

@@ -10,17 +10,14 @@ public class UserProfileResponse {
     private Long id;
     private String username;
     private String nickname;
+    private String avatar;
     private List<RoleResponse> roles;
 
     public UserProfileResponse(User user) {
         this.id = user.getId();
         this.username = user.getUsername();
         this.nickname = user.getNickname();
-        this.roles = user.getRoles().stream().map(role -> {
-            RoleResponse roleResponse = new RoleResponse();
-            roleResponse.setId(role.getId());
-            roleResponse.setName(role.getName());
-            return roleResponse;
-        }).toList();
+        this.avatar = user.getAvatar();
+        this.roles = user.getRoles().stream().map(RoleResponse::new).toList();
     }
 }