refactor(model): 移除 click_token 字段并调整字段顺序

- 删除实体与 Mapper 中 click_token 相关定义
- 保持其余字段（bind_type、bound_at、bind_ip、bind_user_agent）顺序一致

src/main/java/com/yolo/keyborad/model/entity/KeyboardUserInvites.java

@@ -48,12 +48,6 @@ public class KeyboardUserInvites {
     @Schema(description="使用的邀请码ID")
     private Long inviteCodeId;
 
-    /**
-     * 绑定时关联的点击Token（通过邀请链接自动绑定时使用）
-     */
-    @TableField(value = "click_token")
-    @Schema(description="绑定时关联的点击Token（通过邀请链接自动绑定时使用）")
-    private String clickToken;
 
     /**
      * 绑定方式：1=手动填写邀请码，2=邀请链接自动绑定，3=其他方式

src/main/resources/mapper/KeyboardUserInvitesMapper.xml

@@ -8,7 +8,6 @@
     <result column="inviter_user_id" jdbcType="BIGINT" property="inviterUserId" />
     <result column="invitee_user_id" jdbcType="BIGINT" property="inviteeUserId" />
     <result column="invite_code_id" jdbcType="BIGINT" property="inviteCodeId" />
-    <result column="click_token" jdbcType="VARCHAR" property="clickToken" />
     <result column="bind_type" jdbcType="SMALLINT" property="bindType" />
     <result column="bound_at" jdbcType="TIMESTAMP" property="boundAt" />
     <result column="bind_ip" jdbcType="VARCHAR" property="bindIp" />
@@ -16,7 +15,7 @@
   </resultMap>
   <sql id="Base_Column_List">
     <!--@mbg.generated-->
-    id, inviter_user_id, invitee_user_id, invite_code_id, click_token, bind_type, bound_at, 
+    id, inviter_user_id, invitee_user_id, invite_code_id, bind_type, bound_at,
     bind_ip, bind_user_agent
   </sql>
 </mapper>