fix(shop): convert totalAmount fen→yuan before passing to payment page

Co-authored-by: Sisyphus <sisyphus@ohmyopencode.dev>

cfc-frontend/pages/shop/order-list/order-list.vue

@@ -58,7 +58,7 @@
               <button
                 v-if="item.status === 'pending'"
                 class="btn-small btn-pay"
-                @click.stop="onPay(item.orderNo, item.totalAmount)"
+                @click.stop="onPay(item.orderNo, item.totalAmount / 100)"
               >支付</button>
               <button
                 v-if="item.status === 'paid'"