feat(storePlatform): 添加店铺运营活动实体字段

- 添加活动类型字段，支持评论有礼和营销活动
- 添加报名开始时间和结束时间字段
- 添加活动限制人数字段
- 添加活动详情字段
- 添加审批备注字段的注释说明

alien-entity/src/main/java/shop/alien/entity/storePlatform/StoreOperationalActivity.java

@@ -97,5 +97,27 @@ public class StoreOperationalActivity {
     @ApiModelProperty(value = "拒绝原因")
     @TableField("approval_comments")
     private String approvalComments;
+
+    @ApiModelProperty(value = "活动类型：COMMENT-评论有礼, MARKETING-营销活动")
+    @TableField("activity_type")
+    private String activityType;
+
+    @ApiModelProperty(value = "报名开始时间")
+    @TableField("signup_start_time")
+    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss", timezone = "GMT+8")
+    private Date signupStartTime;
+
+    @ApiModelProperty(value = "报名结束时间")
+    @TableField("signup_end_time")
+    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss", timezone = "GMT+8")
+    private Date signupEndTime;
+
+    @ApiModelProperty(value = "活动限制人数")
+    @TableField("activity_limit_people")
+    private Integer activityLimitPeople;
+
+    @ApiModelProperty(value = "活动详情")
+    @TableField("activity_details")
+    private String activityDetails;
 }