fix: 延期订单超时不关闭、无法继续支付、不能作废

- 支付宝查单把 ACQ.TRADE_NOT_EXIST 当成查单失败，恢复任务永远判为未知，订单停在待支付；
  同一套餐再下单时旧单也关不掉，新单无法创建。改为按"渠道无此订单"处理，过支付截止后关闭
- 延期订单详情对未过期的待支付订单返回 qr_content，后台可展示二维码、H5 可继续支付
- 新增作废待支付订单：后台 POST /orders/:id/close、H5 POST /orders/:id/cancel；作废前先查单，已支付则按支付成功办理

internal/infrastructure/payment/alipay_trade_not_exist_test.go

@@ -0,0 +1,31 @@
+package payment
+
+import (
+	"fmt"
+	"testing"
+
+	sdkalipay "github.com/smartwalle/alipay/v3"
+)
+
+func TestAlipayTradeNotExist(t *testing.T) {
+	notExist := sdkalipay.Error{Code: sdkalipay.Code("40004"), SubCode: alipayTradeNotExistCode}
+	tests := []struct {
+		name     string
+		response *sdkalipay.TradeQueryRsp
+		err      error
+		want     bool
+	}{
+		{name: "失败响应且交易不存在", response: &sdkalipay.TradeQueryRsp{Error: notExist}, want: true},
+		{name: "SDK 以错误返回交易不存在", err: fmt.Errorf("wrap: %w", &notExist), want: true},
+		{name: "其他业务失败", response: &sdkalipay.TradeQueryRsp{Error: sdkalipay.Error{Code: sdkalipay.Code("40004"), SubCode: "ACQ.SYSTEM_ERROR"}}, want: false},
+		{name: "成功响应", response: &sdkalipay.TradeQueryRsp{Error: sdkalipay.Error{Code: sdkalipay.CodeSuccess}, TradeStatus: sdkalipay.TradeStatusWaitBuyerPay}, want: false},
+		{name: "网络错误", err: fmt.Errorf("dial tcp: timeout"), want: false},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := alipayTradeNotExist(tt.response, tt.err); got != tt.want {
+				t.Fatalf("alipayTradeNotExist() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}

internal/infrastructure/payment/alipay_wap.go

@@ -2,6 +2,7 @@ package payment
 
 import (
 	"context"
+	stderrors "errors"
 	"strconv"
 	"time"
 
@@ -54,6 +55,18 @@ func (a *AlipayWapAdapter) Query(ctx context.Context, request agentrecharge.Onli
 	}
 	startedAt := time.Now()
 	response, callErr := client.TradeQuery(ctx, sdkalipay.TradeQuery{OutTradeNo: request.PaymentNo})
+	// 客户没打开过支付链接时支付宝侧没有这笔交易（ACQ.TRADE_NOT_EXIST）：按"渠道没有这笔订单"返回，
+	// 恢复任务在过支付截止后据此关闭订单；不能当成查单失败，否则订单永远停在待支付。
+	if alipayTradeNotExist(response, callErr) {
+		if _, err = a.integration.Complete(ctx, attempt.IntegrationID, integrationlog.Completion{
+			Result: constants.IntegrationResultSuccess, ProviderCode: alipayTradeNotExistCode,
+			ResponseSummary: map[string]any{"state": agentrecharge.OnlinePaymentStateNotFound},
+			DurationMS:      time.Since(startedAt).Milliseconds(),
+		}); err != nil {
+			return agentrecharge.OnlinePaymentQueryResult{}, err
+		}
+		return agentrecharge.OnlinePaymentQueryResult{State: agentrecharge.OnlinePaymentStateNotFound}, nil
+	}
 	if callErr != nil {
 		return agentrecharge.OnlinePaymentQueryResult{}, a.completeUnknown(ctx, attempt.IntegrationID, startedAt, callErr)
 	}
@@ -128,6 +141,18 @@ func (a *AlipayWapAdapter) completeUnknown(ctx context.Context, integrationID st
 	return apperrors.Wrap(apperrors.CodeTimeout, cause, "支付宝支付请求结果未知")
 }
 
+// alipayTradeNotExistCode 是支付宝查单"交易不存在"的业务子码。
+const alipayTradeNotExistCode = "ACQ.TRADE_NOT_EXIST"
+
+// alipayTradeNotExist 判断查单结果是否为"交易不存在"：SDK 可能以失败响应返回，也可能以 *Error 返回。
+func alipayTradeNotExist(response *sdkalipay.TradeQueryRsp, callErr error) bool {
+	if response != nil && response.IsFailure() && response.SubCode == alipayTradeNotExistCode {
+		return true
+	}
+	var sdkErr *sdkalipay.Error
+	return stderrors.As(callErr, &sdkErr) && sdkErr != nil && sdkErr.SubCode == alipayTradeNotExistCode
+}
+
 func mapAlipayTradeState(state sdkalipay.TradeStatus) string {
 	switch state {
 	case sdkalipay.TradeStatusSuccess, sdkalipay.TradeStatusFinished: