feat: 初始化 uni-app 移动端项目

- cashier-mobile: 收银系统移动端（uni-app）
- customer-mobile: 顾客端移动端（uni-app）
- 包含基础页面结构：首页、订单、会员
- 更新 AGENTS.md 配置

customer-mobile/pages/order/order.vue

@@ -0,0 +1,45 @@
+<template>
+  <view class="container">
+    <view class="header">
+      <text class="title">我的订单</text>
+    </view>
+    <view class="order-list">
+      <view v-for="order in orders" :key="order.id" class="order-item">
+        <text class="order-no">{{ order.orderNo }}</text>
+        <text class="order-amount">¥{{ order.amount }}</text>
+        <text class="order-status">{{ order.status }}</text>
+      </view>
+    </view>
+  </view>
+</template>
+
+<script setup>
+import { ref } from 'vue'
+
+const orders = ref([
+  { id: 1, orderNo: 'O202401010001', amount: '199.99', status: '已完成' },
+  { id: 2, orderNo: 'O202401010002', amount: '99.99', status: '待支付' }
+])
+</script>
+
+<style scoped>
+.container {
+  padding: 20rpx;
+}
+
+.order-list {
+  margin-top: 20rpx;
+}
+
+.order-item {
+  display: flex;
+  justify-content: space-between;
+  padding: 20rpx;
+  border-bottom: 1rpx solid #eee;
+}
+
+.order-amount {
+  color: #ff0000;
+  font-weight: bold;
+}
+</style>