fix(订单管理): 修复订单状态显示和操作按钮逻辑

- 统一待发货和待收货的显示文本，移除viewMode条件判断
- 区分购车和卖车模式下的已取消订单操作按钮
- 更新订单状态注释为待收货

 <!--
  * @Date: 2022-09-19 14:11:06
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2025-07-29 17:05:33
+ * @LastEditTime: 2025-07-30 11:06:55
  * @FilePath: /jgdl/src/pages/myOrders/index.vue
  * @Description: 订单管理页面
 -->
@@ -29,10 +29,10 @@
           待支付
         </view>
         <view class="tab-item" :class="{ active: activeTab === 5 }" @click="setActiveTab(5)">
-          {{ viewMode === 'buy' ? '待发货' : '待发货' }}
+          待发货
         </view>
         <view class="tab-item" :class="{ active: activeTab === 9 }" @click="setActiveTab(9)">
-          {{ viewMode === 'buy' ? '待收货' : '已发货' }}
+          待收货
         </view>
         <view class="tab-item" :class="{ active: activeTab === 11 }" @click="setActiveTab(11)">
           已完成
@@ -155,13 +155,20 @@
                 </nut-button>
               </template>
 
-              <!-- 已取消状态 -->
-              <template v-if="order.status === 7">
+              <!-- 购车模式：已取消状态 -->
+              <template v-if="viewMode === 'buy' && order.status === 7">
                 <nut-button type="default" size="small" @click="deleteOrder(order.id)"
                   :loading="deletingOrderId === order.id" :disabled="deletingOrderId === order.id">
                   {{ deletingOrderId === order.id ? '删除中...' : '删除订单' }}
                 </nut-button>
               </template>
+
+              <!-- 卖车模式：已取消状态 -->
+              <template v-if="viewMode === 'sell' && order.status === 7">
+                <nut-button type="default" size="small" @click="viewOrderDetail(order.id)">
+                  订单详情
+                </nut-button>
+              </template>
             </view>
           </view>
         </view>
@@ -693,7 +700,7 @@ const getStatusText = (status) => {
     case 5:
       return '待发货'
     case 9:
-      return viewMode.value === 'buy' ? '待收货' : '已发货'
+      return '待收货'
     case 11:
       return '已完成'
     case 7:
@@ -1278,7 +1285,7 @@ const performConfirmShip = async (orderId) => {
       const order = orders.value.find(o => o.id === orderId)
 
       if (order) {
-        // 更新订单状态为已发货/待收货
+        // 更新订单状态为待收货
         order.status = 9
 
         Taro.showToast({