fix(expense-detail): 修复优惠券展示的计算和对比错误

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2026-06-02 0387657907231b0a2b22a23feea3469ee14b05c3

fix(expense-detail): 修复优惠券展示的计算和对比错误

调整使用totalPriceStr替代startPriceStr进行优惠券资格校验与折扣金额计算，确保优惠券展示正确。

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

@@ -138,10 +138,10 @@
          </View>
        }
        {
          (pricingCard.coupon && pricingCard.coupon > 0 && (pricingCard.startPriceStr != pricingCard.finalFareStr)) ?
          (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.startPriceStr - pricingCard.finalFareStr}元</View>
              <View className='price-value color-red'>-{pricingCard.totalPriceStr - pricingCard.finalFareStr}元</View>
            </View>
            : null
        }