feat(index): 首页热门资料改为热门文章

- 将"本周热门资料"改为"本周热门文章"
- 使用 ArticleCard 替换 MaterialCard
- 更新 API 调用从 file/weekHotAPI 到 article/weekHotAPI
- 调整数据映射格式适配文章字段

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

@@ -103,8 +103,8 @@
         </view>
       </view>
 
-      <!-- Hot Materials -->
-      <view v-if="hotMaterials.length > 0" class="relative bg-white rounded-[32rpx] p-[32rpx] mb-[48rpx] border border-gray-100 overflow-hidden" style="box-shadow: 0 8rpx 30rpx rgba(0, 0, 0, 0.04);">
+      <!-- Hot Articles -->
+      <view v-if="hotArticles.length > 0" class="relative bg-white rounded-[32rpx] p-[32rpx] mb-[48rpx] border border-gray-100 overflow-hidden" style="box-shadow: 0 8rpx 30rpx rgba(0, 0, 0, 0.04);">
         <!-- 背景装饰 -->
         <view class="absolute -right-[60rpx] -top-[60rpx] w-[200rpx] h-[200rpx] bg-blue-50 rounded-full opacity-40 blur-[40rpx] pointer-events-none"></view>
 
@@ -112,7 +112,7 @@
           <!-- 标题带装饰 -->
           <view class="flex items-center">
             <view class="w-[8rpx] h-[32rpx] bg-blue-600 rounded-full mr-[16rpx]"></view>
-            <text class="text-gray-900 text-[34rpx] font-bold tracking-tight">本周热门资料</text>
+            <text class="text-gray-900 text-[34rpx] font-bold tracking-tight">本周热门文章</text>
           </view>
 
           <!-- 查看更多按钮优化 -->
@@ -125,21 +125,20 @@
           </view>
         </view>
 
-        <!-- Material List -->
+        <!-- Article List -->
         <view class="relative z-10 flex flex-col gap-[24rpx]">
-          <!-- Material Items -->
-          <MaterialCard
-            v-for="item in hotMaterials"
+          <!-- Article Items -->
+          <ArticleCard
+            v-for="item in hotArticles"
             :key="item.id"
             :id="item.id"
             :title="item.title"
-            :file-name="item.fileName"
-            :file-size="item.fileSize"
+            :excerpt="item.excerpt"
+            :cover-url="item.coverUrl"
+            :date="item.date"
             :learners="item.learners"
             :read-people-percent="item.readPeoplePercent"
             :collected="item.collected"
-            :extension="item.extension"
-            :download-url="item.downloadUrl"
             @collect-changed="handleCollectChanged(item, $event)"
           />
         </view>
@@ -171,9 +170,9 @@ import TabBar from '@/components/navigation/TabBar.vue';
 import IconFont from '@/components/icons/IconFont.vue';
 import PlanFormContainer from '@/components/plan/PlanFormContainer.vue';
 import ProductCard from '@/components/cards/ProductCard.vue';
-import MaterialCard from '@/components/cards/MaterialCard.vue';
+import ArticleCard from '@/components/cards/ArticleCard.vue';
 import { listAPI } from '@/api/get_product';
-import { weekHotAPI } from '@/api/file';
+import { weekHotAPI } from '@/api/article';
 import { homeIconAPI } from '@/api/home';
 import { usePlanSubmit } from '@/composables/usePlanSubmit';
 import { usePermission } from '@/composables/usePermission';
@@ -335,55 +334,58 @@ const fetchHotProducts = async () => {
 };
 
 /**
- * 热门资料数据
+ * 热门文章数据
  *
- * @description 本周热门资料列表数据，从 API 获取
+ * @description 本周热门文章列表数据，从 API 获取
  */
-const hotMaterials = ref([]);
+const hotArticles = ref([]);
 
 /**
- * 热门资料加载状态
+ * 热门文章加载状态
  *
  * @description 用于控制加载状态和空状态显示
  */
-const hotMaterialsLoading = ref(false);
+const hotArticlesLoading = ref(false);
 
 /**
- * 获取本周热门资料
+ * 获取本周热门文章
  *
- * @description 调用 weekHotAPI 获取热门资料列表
+ * @description 调用 weekHotAPI 获取热门文章列表
  */
-const fetchHotMaterials = async () => {
+const fetchHotArticles = async () => {
   try {
-    hotMaterialsLoading.value = true;
+    hotArticlesLoading.value = true;
     const res = await weekHotAPI({
       page: 0,
       limit: 10
     });
 
     if (res.code === 1 && res.data && res.data.list) {
-      // 转换 API 数据格式为组件所需格式
-      hotMaterials.value = res.data.list.map(item => {
-        return {
-          id: item.meta_id,
-          title: item.name || '未命名资料',
-          fileName: item.name || '未命名文件',
-          downloadUrl: item.src,
-          fileSize: item.size,
-          // 不在这里提取扩展名，让 MaterialCard 内部使用 extractExtensionFromFile 自动从 URL 解析
-          learners: `${item.read_people_count}人学习`,
-          readPeoplePercent: item.read_people_percent,
-          collected: item.is_favorite
-        }
-      });
+      // 转换 API 数据格式为 ArticleCard 组件所需格式
+      hotArticles.value = res.data.list
+        .filter(item => item.id || item.meta_id) // 过滤掉没有 id 或 meta_id 的项
+        .map(item => {
+          // 优先使用 meta_id，其次使用 id（兼容不同 API 返回格式）
+          const itemId = item.meta_id || item.id;
+          return {
+            id: itemId,
+            title: item.post_title || '未命名文章',
+            excerpt: item.post_excerpt || '',
+            coverUrl: '', // TODO: 后续添加封面图字段
+            date: item.post_date,
+            learners: item.read_people_count,
+            readPeoplePercent: item.read_people_percent ? Number(item.read_people_percent) : null,
+            collected: Boolean(item.is_favorite)
+          }
+        });
     } else {
-      hotMaterials.value = [];
+      hotArticles.value = [];
     }
   } catch (err) {
-    console.error('获取本周热门资料失败:', err);
-    hotMaterials.value = [];
+    console.error('[Index] 获取本周热门文章失败:', err);
+    hotArticles.value = [];
   } finally {
-    hotMaterialsLoading.value = false;
+    hotArticlesLoading.value = false;
   }
 };
 
@@ -394,15 +396,15 @@ const go = useGo();
  * 处理收藏状态改变
  *
  * @description 当用户点击收藏按钮时，更新本地状态
- * @param {Object} item - 资料对象
+ * @param {Object} item - 文章对象
  * @param {Object} newStatus - 新的状态
  */
 const handleCollectChanged = (item, newStatus) => {
   console.log('[Index] 收藏状态改变:', item.title, newStatus.collected)
   // 找到对应的项并更新状态
-  const material = hotMaterials.value.find(m => m.id === item.id)
-  if (material) {
-    material.collected = newStatus.collected
+  const article = hotArticles.value.find(a => a.id === item.id)
+  if (article) {
+    article.collected = newStatus.collected
   }
 };
 
@@ -470,11 +472,11 @@ const openWebView = (url) => {
   });
 };
 
-// 页面加载时获取首页图标、热卖产品和热门资料
+// 页面加载时获取首页图标、热卖产品和热门文章
 useLoad(() => {
   fetchHomeIcons();
   fetchHotProducts();
-  fetchHotMaterials();
+  fetchHotArticles();
 });
 
 // 页面显示时刷新用户信息（更新 TabBar 红点状态）