Fix offline usage tracking and active pricelist sync

internal/repository/pricelist.go

@@ -29,6 +29,34 @@ func (r *PricelistRepository) List(offset, limit int) ([]models.PricelistSummary
 		return nil, 0, fmt.Errorf("listing pricelists: %w", err)
 	}
 
+	return r.toSummaries(pricelists), total, nil
+}
+
+// ListActive returns active pricelists with pagination.
+func (r *PricelistRepository) ListActive(offset, limit int) ([]models.PricelistSummary, int64, error) {
+	var total int64
+	if err := r.db.Model(&models.Pricelist{}).Where("is_active = ?", true).Count(&total).Error; err != nil {
+		return nil, 0, fmt.Errorf("counting active pricelists: %w", err)
+	}
+
+	var pricelists []models.Pricelist
+	if err := r.db.Where("is_active = ?", true).Order("created_at DESC").Offset(offset).Limit(limit).Find(&pricelists).Error; err != nil {
+		return nil, 0, fmt.Errorf("listing active pricelists: %w", err)
+	}
+
+	return r.toSummaries(pricelists), total, nil
+}
+
+// CountActive returns the number of active pricelists.
+func (r *PricelistRepository) CountActive() (int64, error) {
+	var total int64
+	if err := r.db.Model(&models.Pricelist{}).Where("is_active = ?", true).Count(&total).Error; err != nil {
+		return 0, fmt.Errorf("counting active pricelists: %w", err)
+	}
+	return total, nil
+}
+
+func (r *PricelistRepository) toSummaries(pricelists []models.Pricelist) []models.PricelistSummary {
 	// Get item counts for each pricelist
 	summaries := make([]models.PricelistSummary, len(pricelists))
 	for i, pl := range pricelists {
@@ -48,7 +76,7 @@ func (r *PricelistRepository) List(offset, limit int) ([]models.PricelistSummary
 		}
 	}
 
-	return summaries, total, nil
+	return summaries
 }
 
 // GetByID returns a pricelist by ID

internal/services/quote.go

@@ -132,6 +132,11 @@ func (s *QuoteService) ValidateAndCalculate(req *QuoteRequest) (*QuoteValidation
 
 // RecordUsage records that components were used in a quote
 func (s *QuoteService) RecordUsage(items []models.ConfigItem) error {
+	if s.statsRepo == nil {
+		// Offline mode: usage stats are unavailable and should not block config saves.
+		return nil
+	}
+
 	for _, item := range items {
 		revenue := item.UnitPrice * float64(item.Quantity)
 		if err := s.statsRepo.IncrementUsage(item.LotName, item.Quantity, revenue); err != nil {

internal/services/sync/service.go

@@ -44,9 +44,9 @@ func (s *Service) GetStatus() (*SyncStatus, error) {
 	if connStatus.IsConnected {
 		if mariaDB, err := s.connMgr.GetDB(); err == nil && mariaDB != nil {
 			pricelistRepo := repository.NewPricelistRepository(mariaDB)
-			serverPricelists, _, err := pricelistRepo.List(0, 1)
+			activeCount, err := pricelistRepo.CountActive()
 			if err == nil {
-				serverCount = len(serverPricelists)
+				serverCount = int(activeCount)
 			}
 		}
 	}
@@ -126,10 +126,10 @@ func (s *Service) SyncPricelists() (int, error) {
 	// Create repository
 	pricelistRepo := repository.NewPricelistRepository(mariaDB)
 
-	// Get all active pricelists from server (up to 100)
-	serverPricelists, _, err := pricelistRepo.List(0, 100)
+	// Get active pricelists from server (up to 100)
+	serverPricelists, _, err := pricelistRepo.ListActive(0, 100)
 	if err != nil {
-		return 0, fmt.Errorf("getting server pricelists: %w", err)
+		return 0, fmt.Errorf("getting active server pricelists: %w", err)
 	}
 
 	synced := 0