feat(distribution): 更新分销等级逻辑与条件可见性

- 修改分销等级列表的文档注释，明确包含的条件。
- 在分销等级页面中引入条件可见性逻辑，确保等级规则仅在满足条件时显示。
- 优化获取分销等级的逻辑，确保正确处理和展示等级数据。

pages/mine/distribution/grade.vue

@@ -83,7 +83,7 @@
       </view>
 
       <!-- 等级规则 -->
-      <view class="card rules-card">
+      <view class="card rules-card" v-if="upgradeConditionVisible !== false">
         <view class="rules-title">等级规则</view>
         <view class="rules-timeline">
           <view
@@ -129,6 +129,7 @@ const defaultAvatar = config.defaultUserPhoto
 const loading = ref(true)
 const distributionData = ref<Record<string, any>>({})
 const gradeList = ref<any[]>([])
+const upgradeConditionVisible = ref<boolean | undefined>(true)
 
 const userInfo = computed(() => store.state.userInfo || {})
 
@@ -188,7 +189,9 @@ function fetchGrades() {
   return getDistributionGrades()
     .then((res) => {
       const result = res.data?.result
-      gradeList.value = (Array.isArray(result) ? result : []).sort(
+      upgradeConditionVisible.value = result?.upgradeConditionVisible
+      const grades = result?.grades
+      gradeList.value = (Array.isArray(grades) ? grades : []).sort(
         (a: any, b: any) => Number(a.sortOrder) - Number(b.sortOrder)
       )
     })

pages/mine/distribution/home.vue

@@ -330,7 +330,8 @@ function fetchDistribution() {
 
 function fetchGrades() {
   return getDistributionGrades().then((res) => {
-    gradeList.value = res.data?.result || []
+    const grades = res.data?.result?.grades
+    gradeList.value = Array.isArray(grades) ? grades : []
   })
 }