feat(buyer): 增强商品详情与支付逻辑

- 引入 buyerLogin 工具，优化商品详情页的链接跳转逻辑，确保未登录用户能正确重定向到登录页面
- 更新商品 SKU 详情 API，支持未登录状态下的访问
- 修改支付 API，新增 skipMessage 参数以控制支付提示信息
- 改进商品列表与支付页面的用户体验，确保更流畅的操作流程
- 规范化商品类型与库存提示，提升用户体验

seller/src/views/goods/goods-seller/goodsOperation.vue

@@ -1,58 +1,31 @@
 <template>
   <div class="goods-operation">
-    <div class="step-list">
-      <el-steps :active="activestep" align-center style="height: 60px; margin-top: 10px">
-        <el-step title="选择商品品类" />
-        <el-step title="填写商品详情" />
-        <el-step title="商品发布成功" />
-      </el-steps>
-    </div>
-    <!-- 第一步 选择分类 -->
-    <first-step ref='first' v-show="activestep === 0" @change="getFirstData"></first-step>
-    <!-- 第二步 商品详细信息 -->
-    <second-step ref='second' :firstData="firstData" v-if="activestep === 1"></second-step>
-    <!-- 第三步 发布完成 -->
-    <third-step ref='third' v-if="activestep === 2"></third-step>
-    
-    
+    <!-- 填写商品详细信息（含商品类型、商品分类） -->
+    <second-step ref="second" :firstData="firstData" v-if="activestep === 1"></second-step>
+    <!-- 发布完成 -->
+    <third-step ref="third" v-if="activestep === 2"></third-step>
   </div>
 </template>
 <script>
-import firstStep from  './goodsOperationFirst'
-import secondStep from  './goodsOperationSec'
-import thirdStep from  './goodsOperationThird'
+import secondStep from "./goodsOperationSec";
+import thirdStep from "./goodsOperationThird";
 export default {
   name: "addGoods",
   components: {
-    firstStep,
     secondStep,
-    thirdStep
+    thirdStep,
   },
 
   data() {
     return {
-      /** 当前激活步骤*/
-      activestep: 0,
-      firstData: {}, // 第一步传递的数据
+      /** 当前激活步骤：1 填写详情，2 发布成功 */
+      activestep: 1,
+      firstData: {},
     };
   },
-  methods: {
-    // 选择商品分类回调
-    getFirstData (item) {
-      this.firstData = item;
-      this.activestep = 1;
-    }
-  },
   mounted() {
-    // 编辑商品、模板、复制商品
-    if (this.$route.query.id || this.$route.query.draftId || this.$route.query.copyId) {
-      this.activestep = 1;
-    } else {
-      this.activestep = 0
-      this.$refs.first.selectGoodsType = true;
-    }
-    
-  }
+    window.scrollTo(0, 0);
+  },
 };
 </script>
 <style lang="scss" scoped>