feat(admin/product): 商品表单与列表增加 sold_out 售罄字段 -- 缘由: 后端新增 sold_out 布尔字段, 管理员可手动设置商品售罄状态 -- 预期: 商品创建/编辑表单含售罄开关, 列表显示售罄/在售标签

Co-authored-by: Cursor <cursoragent@cursor.com>

src/views/product/ProductList.vue

@@ -106,6 +106,13 @@
               </el-tag>
             </template>
           </el-table-column>
+          <el-table-column label="售罄" width="80">
+            <template #default="{ row }">
+              <el-tag :type="row.soldOut ? 'danger' : 'success'" size="small">
+                {{ row.soldOut ? '售罄' : '在售' }}
+              </el-tag>
+            </template>
+          </el-table-column>
           <el-table-column label="操作" width="280" fixed="right">
             <template #default="{ row }">
               <el-button type="primary" link @click="handleEdit(row)">编辑</el-button>
@@ -234,6 +241,10 @@
         <el-form-item label="库存数量" prop="inventory">
           <el-input-number v-model="productForm.inventory" :min="0" placeholder="请输入库存" style="width: 100%" />
         </el-form-item>
+        <el-form-item label="售罄状态" prop="sold_out">
+          <el-switch v-model="productForm.sold_out" active-text="已售罄" inactive-text="正常" active-color="#f56c6c" />
+          <div class="form-tip">开启后用户端无法选购该商品，KVM 商品可由后台定时任务根据 IP 资源自动标记</div>
+        </el-form-item>
         <el-form-item label="商品价格" prop="price">
           <div class="unit-input-row">
             <el-input-number v-model="productForm.price" :min="0" :precision="2" :step="0.01" placeholder="请输入价格(元)" style="flex:1" />
@@ -957,7 +968,8 @@ const productForm = reactive({
   recommend: false,
   recommend_rebate: 0,
   arg_type: 'all', // 商品参数类型 all/plan/customize
-  attribution_id: '' // 归属项ID
+  attribution_id: '', // 归属项ID
+  sold_out: false
 })
 
 const productRules = {
@@ -1261,7 +1273,8 @@ const handleEdit = (row) => {
     expire_time: row.expireTime,
     recommend: row.recommend,
     recommend_rebate: row.recommendRebate,
-    arg_type: row.argType || 'all'
+    arg_type: row.argType || 'all',
+    sold_out: !!row.soldOut
   })
   coverPreviewUrl.value = row.cover || ''
 }