feat(scan-checkin-list): 为扫码签到列表添加阶段编码展示功能

- 补充API返回数据的类型定义，新增stages的code字段
- 新增编码文本样式优化展示效果
- 更新列表数据映射逻辑携带code字段
- 在列表项中按需渲染编码文本

@@ -103,6 +103,7 @@ export const listAPI = params => fn(fetch.get(Api.List, params))
  *   data: {
  *     stages: Array<{
  *       id: number;
+ *       code: string;
  *       title: string;
  *       is_checked: boolean;
  *     }>;

@@ -58,9 +58,22 @@
 .scan-checkin-list-content {
   flex: 1;
   min-width: 0;
+  display: flex;
+  flex-direction: column;
+  align-items: flex-start;
+  justify-content: center;
   cursor: pointer;
 }
 
+.scan-checkin-list-code {
+  display: block;
+  margin-bottom: 6rpx;
+  font-size: 22rpx;
+  line-height: 1.3;
+  color: #36b5bb;
+  letter-spacing: 2rpx;
+}
+
 .scan-checkin-list-name {
   display: block;
   font-size: 32rpx;

@@ -22,6 +22,7 @@
         </view>
 
         <view class="scan-checkin-list-content" @click="goToDetail(point)">
+          <text v-if="point.code" class="scan-checkin-list-code">{{ point.code }}</text>
           <text class="scan-checkin-list-name">{{ point.title }}</text>
         </view>
 
@@ -88,6 +89,7 @@ const pageSize = ref(10)
 const mapStageList = stageList =>
   stageList.map(stage => ({
     id: stage.id,
+    code: stage.code,
     title: stage.title,
     isChecked: stage.is_checked,
   }))