修复(费用详情页): 格式化优惠券金额显示，保留两位小数

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2026-06-03 a555b2ee32dad94c4130f34d2a3ac44045934df8

修复(费用详情页): 格式化优惠券金额显示，保留两位小数

 src/robotaxi/pages/expense-detail/index.tsx

@@ -141,7 +141,7 @@
          (pricingCard.coupon && pricingCard.coupon > 0 && (pricingCard.totalPriceStr != pricingCard.finalFareStr)) ?
            <View className='flex-between-card'>
              <View className='price-label'>优惠券</View>
              <View className='price-value color-red'>-{pricingCard.totalPriceStr - pricingCard.finalFareStr}元</View>
              <View className='price-value color-red'>-{(pricingCard.totalPriceStr - pricingCard.finalFareStr).toFixed(2)}元</View>
            </View>
            : null
        }