收口审计治理与套餐任务进展

Constraint: 在线热修前必须保存当前迭代分支全部有效代码进展
Confidence: medium
Scope-risk: broad
Directive: 后续修改需保持审计事件与业务事务边界一致
Tested: git diff --cached --check
Not-tested: 未运行全量测试，提交用于切换分支前保存既有工作

internal/application/wallet/posting.go

@@ -51,6 +51,7 @@ type CreditedEvent struct {
 	ReferenceType   string    `json:"reference_type"`
 	ReferenceID     uint      `json:"reference_id"`
 	TransactionType string    `json:"transaction_type"`
+	Remark          string    `json:"remark,omitempty"`
 	OccurredAt      time.Time `json:"occurred_at"`
 	RequestID       string    `json:"request_id,omitempty"`
 	CorrelationID   string    `json:"correlation_id,omitempty"`
@@ -145,6 +146,7 @@ func (s *PostingService) PostInTx(ctx context.Context, tx *gorm.DB, command Post
 		WalletID: stored.ID, ShopID: stored.ShopID, Amount: command.Amount,
 		BalanceBefore: stored.Balance, BalanceAfter: aggregate.Balance, Version: stored.Version + 1,
 		ReferenceType: referenceType, ReferenceID: command.ReferenceID, TransactionType: command.TransactionType,
+		Remark:     remark,
 		OccurredAt: now, RequestID: command.RequestID, CorrelationID: command.CorrelationID,
 	}
 	if err := s.eventWriter.Append(ctx, tx, event); err != nil {
@@ -163,6 +165,9 @@ func validatePostingCommand(command PostingCommand) error {
 	if !validRecharge && !validAdjustment {
 		return errors.New(errors.CodeInvalidParam, "代理主钱包入账业务类型无效")
 	}
+	if validAdjustment && strings.TrimSpace(command.Remark) == "" {
+		return errors.New(errors.CodeInvalidParam, "人工调整代理主钱包必须填写原因")
+	}
 	return nil
 }