feat(user): 增强用户列表分页查询功能

- 新增 keyword 参数支持用户名和昵称模糊搜索
- 新增 roleId 参数支持按角色过滤用户
- 优化 SQL 查询逻辑，使用 EXISTS 子查询关联用户与角色
- 更新 Mapper 接口以支持新的查询参数
- 调整 Service 和 Controller 层方法签名适配新参数
- 添加请求日志记录便于调试和监控

chaos_api_data/src/main/java/cn/nopj/chaos_api/mapper/UserMapper.java

@@ -91,7 +91,6 @@ public interface UserMapper extends BaseMapper<User> {
     """)
     List<Role> findRolesByUserId(@Param("userId") Long userId);
 
-
     @Select("SELECT * FROM t_user WHERE username = #{username} ")
     @Results({
             @Result(id = true, property = "id", column = "id"),
@@ -103,24 +102,31 @@ public interface UserMapper extends BaseMapper<User> {
                     many = @Many(select = "findRolesByUserId"))
     })
     User findUserWithRolesByUsername(String username);
+
     /**
      * 分页查询用户，并携带角色信息
-     * MyBatis-Plus 会自动处理 Page 参数进行物理分页
-     * @param page 分页对象
-     * @param keyword 搜索关键词 (可选)
-     * @return 分页后的用户列表 (包含角色)
+     * 增加了 roleId 过滤
      */
     @Select("""
-        <script>
-        SELECT * FROM t_user
-        <where>
-            <if test='keyword != null and keyword != ""'>
-                AND (username LIKE CONCAT('%', #{keyword}, '%') OR nickname LIKE CONCAT('%', #{keyword}, '%'))
-            </if>
-        </where>
-        ORDER BY id ASC
-        </script>
-    """)
+    <script>
+    SELECT * FROM t_user u
+    <where>
+        <if test='keyword != null and keyword != ""'>
+            AND (u.username LIKE CONCAT('%', #{keyword}, '%') OR u.nickname LIKE CONCAT('%', #{keyword}, '%'))
+        </if>
+        
+        <if test='roleId != null'>
+            AND EXISTS (
+                SELECT 1 
+                FROM t_user_role ur 
+                WHERE ur.user_id = u.id 
+                AND ur.role_id = #{roleId}
+            )
+        </if>
+    </where>
+    ORDER BY u.id ASC
+    </script>
+""")
     @Results({
             @Result(id = true, property = "id", column = "id"),
             @Result(property = "username", column = "username"),
@@ -129,5 +135,7 @@ public interface UserMapper extends BaseMapper<User> {
             @Result(property = "roles", column = "id",
                     many = @Many(select = "findRolesByUserId"))
     })
-    IPage<User> selectPageWithRoles(Page<User> page, @Param("keyword") String keyword);
+    IPage<User> selectPageWithRoles(Page<User> page,
+                                    @Param("keyword") String keyword,
+                                    @Param("roleId") Long roleId);
 }