feat(admin): 商品管理列表持久化筛选/页码/滚动位置，详情页返回智能回退

frontend/src/features/admin/views/AdminListingDetailView.vue

@@ -3,12 +3,12 @@ import { readError } from '@/shared/utils/error'
 import { CopyDocument, EditPen, Search } from '@element-plus/icons-vue'
 import { ElMessage } from 'element-plus'
 import { computed, onMounted, reactive, ref } from 'vue'
-import { useRoute } from 'vue-router'
+import { useRoute, useRouter } from 'vue-router'
 
 import { fetchAdminUsers, type AdminUserItem } from '@/features/admin/api/adminUsers'
 import { fetchAdminFileBlob } from '@/shared/api/files'
 import AuthImage from '@/shared/components/business/AuthImage.vue'
-import { adminPath } from '@/shared/utils/adminPath'
+import { adminPath, isAdminPath } from '@/shared/utils/adminPath'
 import {
   centToYuan,
   formatCentWithSymbol,
@@ -59,6 +59,17 @@ import { calculatePlatformPricing, roundRatio as roundPricingRatio } from '@/sha
 const adminSession = useAdminSessionStore()
 
 const route = useRoute()
+const router = useRouter()
+
+// 返回列表：有站内后台历史则回退（保留列表页筛选与滚动恢复），否则直接回列表页。
+function goBackToList() {
+  const back = (window.history.state as { back?: string | null } | null)?.back
+  if (back && isAdminPath(back)) {
+    router.back()
+    return
+  }
+  void router.push(adminPath('listings'))
+}
 const loading = ref(false)
 const submitting = ref(false)
 const userSearching = ref(false)
@@ -596,9 +607,7 @@ async function openScreenshot(url: string) {
       </div>
       <div class="toolbar-actions">
         <el-button :icon="CopyDocument" @click="copyListingCode">复制编号</el-button>
-        <RouterLink :to="adminPath('listings')">
-          <el-button>返回列表</el-button>
-        </RouterLink>
+        <el-button @click="goBackToList">返回列表</el-button>
         <el-button
           v-if="canAdjustExternal"
           type="primary"