保留客户端入库费用未发布原因

src/modules/first-leg/views/FirstLegOrdersView.test.mjs

@@ -452,6 +452,7 @@ test('loads merchant inbound billing as an isolated read-only detail section', (
   assert.match(source, /<InboundBillingPanel/)
   assert.match(source, /@retry="retryInboundBilling"/)
   assert.match(source, /error instanceof ApiError && error\.code === 'A0404'/)
+  assert.match(source, /inboundBillingUnavailableMessage\.value = error\.message \|\| '入库及费用结果尚未发布'/)
   assert.match(source, /order\.status === 'DRAFT'/)
   assert.match(source, /订单提交后可查看入库结果/)
   assert.doesNotMatch(source, /confirmMerchantInbound|adjustMerchantInbound|sendMerchantInbound/)

src/modules/first-leg/views/FirstLegOrdersView.vue

@@ -1161,7 +1161,7 @@ async function loadInboundBilling(order: FirstLegOrder) {
     if (!isCurrentInboundBillingRequest(sequence, order.id)) return
     if (error instanceof ApiError && error.code === 'A0404') {
       inboundBillingUnavailable.value = true
-      inboundBillingUnavailableMessage.value = '入库及费用结果尚未发布'
+      inboundBillingUnavailableMessage.value = error.message || '入库及费用结果尚未发布'
     } else {
       inboundBillingError.value = error instanceof Error ? error.message : '入库与费用加载失败'
     }