feat(user): 新增收货地址管理及售后申请页面

- 新增地址类型定义，增强前端地址数据结构
- 新增地址编辑页面，支持地址智能识别和定位选点功能
- 地址编辑支持省市区选择及默认地址设置
- 新增地址列表页面，支持地址展示、删除、编辑和选择功能
- 实现售后申请页面，支持选择售后类型和退款原因
- 售后申请支持商品选择、退款金额计算和凭证上传
- 新增售后详情页面，支持售后状态展示及申请取消
- 优化页面加载和用户交互体验，增加错误提示和权限处理

src/components/business/PayModal/index.tsx

@@ -10,12 +10,11 @@ interface PayModalProps {
 }
 
 const PAY_TYPES = [
-  { id: 1, name: '微信支付', desc: '推荐使用', icon: 'pay-wechat' },
-  { id: 0, name: '货到付款', desc: '使用账户余额', icon: 'pay-balance' },
+  { id: 0, name: '货到付款', desc: '送达时支付', icon: 'pay-cod' },
 ]
 
 const PayModal: React.FC<PayModalProps> = ({ visible, amount, onClose, onConfirm }) => {
-  const [selected, setSelected] = useState<number>(1)
+  const [selected, setSelected] = useState<number>(0)
   const [showOverlay, setShowOverlay] = useState(false)
   const [slideUp, setSlideUp] = useState(false)
 
@@ -60,7 +59,7 @@ const PayModal: React.FC<PayModalProps> = ({ visible, amount, onClose, onConfirm
         <View className='p-4'>
           {/* 关闭按钮 */}
           <View className='flex justify-end mb-2'>
-            <View
+            <View 
               className='w-6 h-6 rounded-full bg-gray-100 flex items-center justify-center'
               onClick={handleClose}
             >
@@ -86,7 +85,7 @@ const PayModal: React.FC<PayModalProps> = ({ visible, amount, onClose, onConfirm
                 <View className='flex items-center gap-3'>
                   <View className='w-8 h-8 rounded-full bg-green-50 flex items-center justify-center'>
                     <Text className='text-sm'>
-                      {item.id === 1 ? '微' : '余'}
+                      {item.id === 0 ? '货' : (item.id === 1 ? '微' : '余')}
                     </Text>
                   </View>
                   <View>

src/components/business/SkuSelector/index.tsx

@@ -157,7 +157,7 @@ const SkuSelector: React.FC<SkuSelectorProps> = ({
         const fakeSku: ShopGoodsSku = {
           id: 0,
           goodsId: product.goodsId!,
-          price: product.price || product.salePrice,
+          price: product.salePrice || product.price,
           salePrice: product.salePrice || product.price,
           stock: product.stock,
           image: product.image,
@@ -187,11 +187,7 @@ const SkuSelector: React.FC<SkuSelectorProps> = ({
     }
   }
 
-  // 价格优先级：SKU售价 > SKU原价 > 商品售价 > 商品原价 > 0
-  // 注意：ShopGoods 模型中 price=商品价格(低), salePrice=销售/市场价(高)
-  //       ShopGoodsSku 模型中 price=商品价格, salePrice=市场价格(高)
-  // 统一以 price 为准，salePrice 仅作兜底展示
-  const currentPrice = selectedSku?.price || selectedSku?.salePrice || product?.price || product?.salePrice || '0'
+  const currentPrice = selectedSku?.salePrice || selectedSku?.price || product?.salePrice || product?.price || '0'
   const currentStock = selectedSku?.stock ?? product?.stock ?? 0
   const currentImage = selectedSku?.image || product?.image || (product?.files?.split(',')[0]) || ''