feat(image): 全项目应用图片压缩优化

- 将图片显示统一替换为 getCompressedImageUrl 函数处理压缩
- 覆盖 35 个文件，包括 4 个组件和 31 个页面
- 主要组件：LazyImage、ProductCard、OrderCard、SkuSelector 内部自动压缩图片
- 主要页面：购物车、订单、积分、活动、拼团、秒杀、收藏、浏览历史等
- 跳过用户头像、二维码、商品详情大图及所有 Taro.previewImage 调用
- 调整压缩默认宽度为 300，保持质量90，启用压缩功能

src/pages/shop/checkout.tsx

@@ -14,6 +14,7 @@ import type { ShopGoods } from '@/api/shop/shopGoods/model'
 import type { ShopUserCoupon } from '@/api/shop/shopUserCoupon/model'
 import type { OrderGoodsItem, OrderCreateRequest } from '@/api/shop/shopOrder/model'
 import { isVipMember } from '@/utils/vip'
+import { getCompressedImageUrl } from '@/utils/image'
 
 // 满减门槛配置
 const THRESHOLDS = [
@@ -344,7 +345,7 @@ const CheckoutPage: React.FC = () => {
                   <View key={`${item.goodsId}-${item.skuId}-${idx}`} className='flex gap-3 py-3 border-b border-gray-50'>
                     <Image
                       className='w-16 h-16 rounded-md bg-gray-100'
-                      src={item.goodsImage || item.product?.image || item.sku?.image || ''}
+                      src={getCompressedImageUrl(item.goodsImage || item.product?.image || item.sku?.image || '')}
                       mode='aspectFill'
                     />
                     <View className='flex-1'>
@@ -495,7 +496,7 @@ const CheckoutPage: React.FC = () => {
                     >
                       <Image
                         className='w-full h-20 rounded bg-gray-100'
-                        src={product.image || ''}
+                        src={getCompressedImageUrl(product.image || '')}
                         mode='aspectFill'
                       />
                       <Text className='text-xs text-gray-700 block line-clamp-1 mt-1'>