实现支付商户池与微信授权配置

新增收款商户、商户池轮询、微信授权配置独立管理；三类新支付
（C端套餐购买、C端资产钱包充值、代理在线预存款充值）无条件
经商户池选择并冻结路由，无旧综合配置回退。merchant_id 为空
历史支付继续按 payment_config_id 双读。凭证版本化加载与
ID+版本缓存保证轮换一致性。删除商户池新支付创建开关及全部
引用。

internal/application/agentrecharge/recover_online_payment.go

@@ -6,6 +6,7 @@ import (
 
 	"gorm.io/gorm"
 
+	merchantpayment "github.com/break/junhong_cmp_fiber/internal/application/merchantpayment"
 	"github.com/break/junhong_cmp_fiber/internal/model"
 	"github.com/break/junhong_cmp_fiber/pkg/constants"
 	"github.com/break/junhong_cmp_fiber/pkg/errors"
@@ -14,6 +15,7 @@ import (
 // RecoverOnlinePaymentService 批量收敛长期缺少支付链接或待支付的代理在线充值。
 type RecoverOnlinePaymentService struct {
 	db      *gorm.DB
+	runtime *merchantpayment.RuntimeLoader
 	wechat  OnlinePaymentPort
 	alipay  OnlinePaymentPort
 	fuiou   OnlinePaymentPort
@@ -23,13 +25,13 @@ type RecoverOnlinePaymentService struct {
 }
 
 // NewRecoverOnlinePaymentService 创建代理在线充值支付恢复用例。
-func NewRecoverOnlinePaymentService(db *gorm.DB, wechat, alipay, fuiou OnlinePaymentPort, confirm *ConfirmOnlinePaymentService, audit PaymentAuditWriter) *RecoverOnlinePaymentService {
-	return &RecoverOnlinePaymentService{db: db, wechat: wechat, alipay: alipay, fuiou: fuiou, confirm: confirm, audit: audit, now: time.Now}
+func NewRecoverOnlinePaymentService(db *gorm.DB, runtime *merchantpayment.RuntimeLoader, wechat, alipay, fuiou OnlinePaymentPort, confirm *ConfirmOnlinePaymentService, audit PaymentAuditWriter) *RecoverOnlinePaymentService {
+	return &RecoverOnlinePaymentService{db: db, runtime: runtime, wechat: wechat, alipay: alipay, fuiou: fuiou, confirm: confirm, audit: audit, now: time.Now}
 }
 
 // ProcessBatch 按固定批次读取本地待处理事实并调用对应渠道收敛状态。
 func (s *RecoverOnlinePaymentService) ProcessBatch(ctx context.Context) (int, error) {
-	if s == nil || s.db == nil || s.wechat == nil || s.alipay == nil || s.fuiou == nil || s.confirm == nil || s.audit == nil {
+	if s == nil || s.db == nil || s.runtime == nil || s.wechat == nil || s.alipay == nil || s.fuiou == nil || s.confirm == nil || s.audit == nil {
 		return 0, errors.New(errors.CodeServiceUnavailable, "代理在线充值支付恢复能力未配置")
 	}
 	now := s.now().UTC()
@@ -52,7 +54,13 @@ func (s *RecoverOnlinePaymentService) ProcessBatch(ctx context.Context) (int, er
 	for index := range payments {
 		payment := &payments[index]
 		recharge := recharges[payment.OrderID]
-		config := recoveryConfig(payment, configs)
+		config, configErr := s.recoveryConfig(ctx, payment, configs)
+		if configErr != nil {
+			if firstErr == nil {
+				firstErr = configErr
+			}
+			continue
+		}
 		if recharge == nil || config == nil {
 			if firstErr == nil {
 				firstErr = errors.New(errors.CodeConflict, "待恢复支付单缺少充值单或创建配置")
@@ -141,7 +149,7 @@ func (s *RecoverOnlinePaymentService) loadRecoveryFacts(ctx context.Context, pay
 	configIDs := make([]uint, 0, len(payments))
 	for index := range payments {
 		rechargeIDs = append(rechargeIDs, payments[index].OrderID)
-		if payments[index].PaymentConfigID != nil {
+		if payments[index].MerchantID == nil && payments[index].PaymentConfigID != nil {
 			configIDs = append(configIDs, *payments[index].PaymentConfigID)
 		}
 	}
@@ -151,8 +159,10 @@ func (s *RecoverOnlinePaymentService) loadRecoveryFacts(ctx context.Context, pay
 	}
 	var configRows []model.WechatConfig
 	if len(configIDs) > 0 {
-		if err := s.db.WithContext(ctx).Where("id IN ?", configIDs).Find(&configRows).Error; err != nil {
-			return nil, nil, errors.Wrap(errors.CodeDatabaseError, err, "批量查询代理充值创建配置失败")
+		// merchant_id 为空仅为留存期内历史支付；独立 Change 删除旧路径前，
+		// 必须按其 payment_config_id 读取，包括已软删除的原始配置。
+		if err := s.db.WithContext(ctx).Unscoped().Where("id IN ?", configIDs).Find(&configRows).Error; err != nil {
+			return nil, nil, errors.Wrap(errors.CodeDatabaseError, err, "批量查询代理充值历史配置失败")
 		}
 	}
 	recharges := make(map[uint]*model.AgentRechargeRecord, len(rechargeRows))
@@ -166,11 +176,27 @@ func (s *RecoverOnlinePaymentService) loadRecoveryFacts(ctx context.Context, pay
 	return recharges, configs, nil
 }
 
-func recoveryConfig(payment *model.Payment, configs map[uint]*model.WechatConfig) *model.WechatConfig {
-	if payment.PaymentConfigID == nil {
-		return nil
+// recoveryConfig 对冻结商户支付单按当前凭证版本加载；历史支付单保持 payment_config_id 路径。
+func (s *RecoverOnlinePaymentService) recoveryConfig(ctx context.Context, payment *model.Payment, configs map[uint]*model.WechatConfig) (*model.WechatConfig, error) {
+	if payment.MerchantID != nil {
+		merchant, err := s.runtime.LoadMerchant(ctx, *payment.MerchantID)
+		if err != nil {
+			return nil, err
+		}
+		// 仅微信直连（v3/v2）商户需要全局授权配置中的 AppID；富友商户不依赖该配置。
+		var authorization *model.WechatAuthorization
+		if merchant.ProviderType == model.ProviderTypeWechat || merchant.ProviderType == model.ProviderTypeWechatV2 {
+			authorization, err = s.runtime.LoadAuthorization(ctx)
+			if err != nil {
+				return nil, err
+			}
+		}
+		return merchantpayment.MerchantConfig(merchant, authorization)
 	}
-	return configs[*payment.PaymentConfigID]
+	if payment.PaymentConfigID == nil {
+		return nil, nil
+	}
+	return configs[*payment.PaymentConfigID], nil
 }
 
 func (s *RecoverOnlinePaymentService) closePending(ctx context.Context, payment *model.Payment, recharge *model.AgentRechargeRecord) error {