拆分支付配置 Repository 文件职责

backend/internal/modules/paymentconfig/audit.go

@@ -0,0 +1,27 @@
+package paymentconfig
+
+import (
+	"encoding/json"
+
+	"hfb_sys/backend/internal/model"
+
+	"gorm.io/gorm"
+)
+
+func appendAuditLog(tx *gorm.DB, actorID uint64, action string, bizID uint64, meta AuditMeta, detail map[string]any) error {
+	detailJSON, err := json.Marshal(detail)
+	if err != nil {
+		return err
+	}
+	log := model.AuditLog{
+		ActorType: "admin",
+		ActorID:   actorID,
+		Action:    action,
+		BizType:   "payment_config",
+		BizID:     &bizID,
+		IP:        meta.IP,
+		UserAgent: meta.UserAgent,
+		Detail:    detailJSON,
+	}
+	return tx.Create(&log).Error
+}