fix: 我的收藏列表与后端扁平字段对齐，修复 coverUrl 报错

Made-with: Cursor

frontend/src/views/public/mine/Favorites.vue

@@ -17,27 +17,24 @@
     <div v-else class="works-grid">
       <div
         v-for="item in list"
-        :key="item.id"
+        :key="item.favoriteId ?? item.workId"
         class="work-card"
-        @click="$router.push(`/p/works/${item.work.id}`)"
+        @click="$router.push(`/p/works/${item.workId}`)"
       >
         <div class="card-cover">
-          <img v-if="item.work.coverUrl" :src="item.work.coverUrl" :alt="item.work.title" />
+          <img v-if="item.coverUrl" :src="item.coverUrl" :alt="item.title" />
           <div v-else class="cover-placeholder">
             <picture-outlined />
           </div>
         </div>
         <div class="card-body">
-          <h3>{{ item.work.title }}</h3>
-          <div class="card-author">
-            <a-avatar :size="20" :src="item.work.creator?.avatar">
-              {{ item.work.creator?.nickname?.charAt(0) }}
-            </a-avatar>
-            <span>{{ item.work.creator?.nickname }}</span>
+          <h3>{{ item.title }}</h3>
+          <div v-if="item.favoriteTime" class="card-meta">
+            {{ formatFavoriteTime(item.favoriteTime) }}
           </div>
           <div class="card-stats">
-            <span><heart-outlined /> {{ item.work.likeCount || 0 }}</span>
-            <span><eye-outlined /> {{ item.work.viewCount || 0 }}</span>
+            <span><heart-outlined /> {{ item.likeCount ?? 0 }}</span>
+            <span><eye-outlined /> {{ item.viewCount ?? 0 }}</span>
           </div>
         </div>
       </div>
@@ -61,12 +58,30 @@ import { message } from 'ant-design-vue'
 import { PictureOutlined, HeartOutlined, EyeOutlined } from '@ant-design/icons-vue'
 import { publicInteractionApi } from '@/api/public'
 
-const list = ref<any[]>([])
+/** 与后端 /public/mine/favorites 返回结构一致（扁平字段，无嵌套 work） */
+interface FavoriteListItem {
+  favoriteId: number
+  favoriteTime?: string
+  workId: number
+  title: string
+  coverUrl?: string | null
+  likeCount?: number
+  viewCount?: number
+}
+
+const list = ref<FavoriteListItem[]>([])
 const loading = ref(true)
 const page = ref(1)
 const pageSize = 12
 const total = ref(0)
 
+/** 收藏时间展示 */
+const formatFavoriteTime = (iso: string) => {
+  const d = new Date(iso)
+  if (Number.isNaN(d.getTime())) return ''
+  return `收藏于 ${d.toLocaleString('zh-CN', { month: 'numeric', day: 'numeric', hour: '2-digit', minute: '2-digit' })}`
+}
+
 const fetchList = async () => {
   loading.value = true
   try {
@@ -123,9 +138,8 @@ $primary: #6366f1;
   .card-body {
     padding: 10px 12px;
     h3 { font-size: 13px; font-weight: 600; color: #1e1b4b; margin: 0 0 6px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
-    .card-author {
-      display: flex; align-items: center; gap: 6px; margin-bottom: 6px;
-      span { font-size: 11px; color: #6b7280; }
+    .card-meta {
+      font-size: 11px; color: #9ca3af; margin-bottom: 6px;
     }
     .card-stats {
       display: flex; gap: 12px;