优化申诉仲裁流程和证据展示

backend/internal/modules/order/queries.go

@@ -75,6 +75,7 @@ func (r *Repository) FindAdmin(ctx context.Context, orderID uint64) (*OrderDTO,
 	}
 	dto := row.toAdminDTO()
 	applyPaymentDeadline(&dto, row.RentalOrder, pendingPaymentTimeoutMinutes(db))
+	dto.ActiveDispute = r.activeDisputeDTO(ctx, orderID)
 	dto.Checkout = r.latestCheckoutAdminDTO(ctx, orderID)
 	return &dto, nil
 }
@@ -89,6 +90,7 @@ func (r *Repository) FindForUser(ctx context.Context, userID uint64, orderID uin
 	}
 	dto := row.toDTOForUser(userID)
 	applyPaymentDeadline(&dto, row.RentalOrder, pendingPaymentTimeoutMinutes(db))
+	dto.ActiveDispute = r.activeDisputeDTO(ctx, orderID)
 	dto.Checkout = r.latestCheckoutDTOForUser(ctx, orderID, userID, row.RentalOrder)
 	return &dto, nil
 }
@@ -123,6 +125,22 @@ func (r *Repository) latestCheckoutAdminDTO(ctx context.Context, orderID uint64)
 	return &dto
 }
 
+func (r *Repository) activeDisputeDTO(ctx context.Context, orderID uint64) *ActiveDisputeDTO {
+	var row model.Dispute
+	if err := r.db.WithContext(ctx).
+		Where("order_id = ? AND status IN ?", orderID, []string{"open", "processing"}).
+		Order("id DESC").
+		First(&row).Error; err != nil {
+		return nil
+	}
+	return &ActiveDisputeDTO{
+		ID:          row.ID,
+		InitiatorID: row.InitiatorID,
+		Type:        row.Type,
+		Status:      row.Status,
+	}
+}
+
 func shouldAttachCheckout(status string) bool {
 	switch status {
 	case orderStatusPendingCheckoutConfirm, orderStatusPendingCheckoutAccept, orderStatusCheckoutDisputing, orderStatusCompleted: