完善退款审批材料与恢复流程

internal/infrastructure/wecom/approval_context_repository.go

@@ -371,6 +371,17 @@ func (r *ApprovalContextRepository) FindBySPNo(ctx context.Context, applicationI
 	}
 	return r.Get(ctx, channelContext.ApprovalInstanceID)
 }
+func (r *ApprovalContextRepository) GetRecoveryRecord(ctx context.Context, instanceID uint) (*ApprovalRecoveryRecord, error) {
+	var record ApprovalRecoveryRecord
+	err := r.db.WithContext(ctx).Table("tb_wecom_approval_context AS wc").Select("wc.approval_instance_id AS instance_id, wc.application_id, wc.template_id, wc.creator_userid, wc.sp_no, wc.submission_status, COALESCE(wc.submission_attempted_at, wc.updated_at) AS submission_attempted_at").Where("wc.approval_instance_id = ?", instanceID).Scan(&record).Error
+	if err != nil {
+		return nil, errors.Wrap(errors.CodeDatabaseError, err, "查询企业微信审批恢复记录失败")
+	}
+	if record.InstanceID == 0 {
+		return nil, nil
+	}
+	return &record, nil
+}
 
 // SaveLatestDetail 保存最近一次权威企微审批详情，供终态同步和读取投影复用。
 func (r *ApprovalContextRepository) SaveLatestDetail(ctx context.Context, instanceID uint, spStatus int, snapshot []byte) error {