完善退款审批材料与恢复流程

internal/infrastructure/approval/submission_event.go

@@ -36,3 +36,17 @@ func (w *SubmissionEventWriter) Append(ctx context.Context, tx *gorm.DB, event a
 	})
 	return err
 }
+
+type UnknownRecoveryEventWriter struct{ outbox *outbox.Repository }
+
+func NewUnknownRecoveryEventWriter(repository *outbox.Repository) *UnknownRecoveryEventWriter {
+	return &UnknownRecoveryEventWriter{outbox: repository}
+}
+func (w *UnknownRecoveryEventWriter) Append(ctx context.Context, tx *gorm.DB, instanceID uint) error {
+	if w == nil || w.outbox == nil || instanceID == 0 {
+		return errors.New(errors.CodeInternalError, "审批未知恢复 Outbox Writer 未配置")
+	}
+	eventID := "approval:" + strconv.FormatUint(uint64(instanceID), 10) + ":unknown-recovery"
+	_, err := w.outbox.AppendIdempotent(ctx, tx, outbox.Envelope{EventID: eventID, EventType: constants.OutboxEventTypeApprovalUnknownRecoveryRequested, PayloadVersion: 1, AggregateType: "approval", AggregateID: strconv.FormatUint(uint64(instanceID), 10), ResourceType: "approval", ResourceID: strconv.FormatUint(uint64(instanceID), 10), BusinessKey: eventID, Payload: map[string]any{"instance_id": instanceID}})
+	return err
+}