diff --git a/internal/handlers/vendor_spec.go b/internal/handlers/vendor_spec.go
index 8bc145c..42bc9d4 100644
--- a/internal/handlers/vendor_spec.go
+++ b/internal/handlers/vendor_spec.go
@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"errors"
 	"net/http"
+	"strings"
 
 	"git.mchus.pro/mchus/quoteforge/internal/localdb"
 	"git.mchus.pro/mchus/quoteforge/internal/repository"
@@ -69,6 +70,13 @@ func (h *VendorSpecHandler) PutVendorSpec(c *gin.Context) {
 		if body.VendorSpec[i].SortOrder == 0 {
 			body.VendorSpec[i].SortOrder = (i + 1) * 10
 		}
+		// Persist canonical LOT mapping only.
+		body.VendorSpec[i].LotMappings = normalizeLotMappings(body.VendorSpec[i].LotMappings)
+		body.VendorSpec[i].ResolvedLotName = ""
+		body.VendorSpec[i].ResolutionSource = ""
+		body.VendorSpec[i].ManualLotSuggestion = ""
+		body.VendorSpec[i].LotQtyPerPN = 0
+		body.VendorSpec[i].LotAllocations = nil
 	}
 
 	spec := localdb.VendorSpec(body.VendorSpec)
@@ -85,6 +93,39 @@ func (h *VendorSpecHandler) PutVendorSpec(c *gin.Context) {
 	c.JSON(http.StatusOK, gin.H{"vendor_spec": spec})
 }
 
+func normalizeLotMappings(in []localdb.VendorSpecLotMapping) []localdb.VendorSpecLotMapping {
+	if len(in) == 0 {
+		return nil
+	}
+	merged := make(map[string]int, len(in))
+	order := make([]string, 0, len(in))
+	for _, m := range in {
+		lot := strings.TrimSpace(m.LotName)
+		if lot == "" {
+			continue
+		}
+		qty := m.QuantityPerPN
+		if qty < 1 {
+			qty = 1
+		}
+		if _, exists := merged[lot]; !exists {
+			order = append(order, lot)
+		}
+		merged[lot] += qty
+	}
+	out := make([]localdb.VendorSpecLotMapping, 0, len(order))
+	for _, lot := range order {
+		out = append(out, localdb.VendorSpecLotMapping{
+			LotName:       lot,
+			QuantityPerPN: merged[lot],
+		})
+	}
+	if len(out) == 0 {
+		return nil
+	}
+	return out
+}
+
 // ResolveVendorSpec resolves vendor PN → LOT without modifying the cart.
 // POST /api/configs/:uuid/vendor-spec/resolve
 func (h *VendorSpecHandler) ResolveVendorSpec(c *gin.Context) {
diff --git a/web/templates/index.html b/web/templates/index.html
index 2285a2d..d070764 100644
--- a/web/templates/index.html
+++ b/web/templates/index.html
@@ -230,11 +230,15 @@
                         </tfoot>
                     </table>
                 </div>
-                <div class="mt-4 flex items-center gap-4">
+                <div class="mt-4 flex flex-wrap items-center gap-4">
                     <label class="text-sm font-medium text-gray-700">Своя цена:</label>
                     <input type="number" id="pricing-custom-price" step="0.01" min="0" placeholder="0.00"
                            class="w-40 px-3 py-2 border rounded focus:ring-2 focus:ring-blue-500"
                            oninput="onPricingCustomPriceInput()">
+                    <label class="text-sm font-medium text-gray-700">Uplift:</label>
+                    <input type="number" id="pricing-uplift" step="0.0001" min="0" placeholder="1.0000"
+                           class="w-32 px-3 py-2 border rounded focus:ring-2 focus:ring-blue-500"
+                           oninput="onPricingUpliftInput()">
                     <button onclick="setPricingCustomPriceFromVendor()" class="px-3 py-2 bg-gray-100 text-gray-700 rounded hover:bg-gray-200 border border-gray-300 text-sm">
                         Проставить цены BOM
                     </button>
@@ -2889,20 +2893,6 @@ function removeBOMAllocation(rowIdx, allocIdx) {
     debouncedAutosaveBOM();
 }
 
-function toggleBOMBundle(rowIdx) {
-    const row = _findBOMRowBySource(rowIdx);
-    if (!row) return;
-    _ensureRowAllocations(row);
-    row.bundle_enabled = !row.bundle_enabled;
-    if (row.bundle_enabled && row.lot_allocations.length === 0) {
-        row.lot_allocations.push({ lot_name: row.resolved_lot || row.manual_lot || '', quantity: 1 });
-    }
-    if (!row.bundle_enabled) {
-        row.lot_allocations = [];
-    }
-    renderBOMTable();
-}
-
 function setBOMAllocationDraft(rowIdx, allocIdx, field, value, el) {
     const row = _findBOMRowBySource(rowIdx);
     if (!row) return;
@@ -3659,6 +3649,7 @@ function setPricingCustomPriceFromVendor() {
 
     document.getElementById('pricing-total-vendor').textContent = hasAny ? formatCurrency(total) : '—';
     document.getElementById('pricing-custom-price').value = hasAny ? total.toFixed(2) : '';
+    syncPricingLinkedInputs('price');
 
     // Update discount info only
     const rows2 = document.querySelectorAll('#pricing-table-body tr.pricing-row');
@@ -3674,12 +3665,48 @@ function setPricingCustomPriceFromVendor() {
     }
 }
 
-function onPricingCustomPriceInput() {
-    const customPrice = parseFloat(document.getElementById('pricing-custom-price').value) || 0;
-
+function getPricingEstimateTotal() {
     const rows = document.querySelectorAll('#pricing-table-body tr.pricing-row');
     let estimateTotal = 0;
     rows.forEach(tr => { estimateTotal += parseFloat(tr.dataset.est) || 0; });
+    return estimateTotal;
+}
+
+function syncPricingLinkedInputs(source) {
+    const customPriceInput = document.getElementById('pricing-custom-price');
+    const upliftInput = document.getElementById('pricing-uplift');
+    if (!customPriceInput || !upliftInput) return;
+    const estimateTotal = getPricingEstimateTotal();
+    if (estimateTotal <= 0) {
+        upliftInput.value = '';
+        return;
+    }
+    if (source === 'price') {
+        const customPrice = parseFloat(customPriceInput.value) || 0;
+        upliftInput.value = customPrice > 0 ? (customPrice / estimateTotal).toFixed(4) : '';
+        return;
+    }
+    if (source === 'uplift') {
+        const uplift = parseFloat(upliftInput.value) || 0;
+        customPriceInput.value = uplift > 0 ? (estimateTotal * uplift).toFixed(2) : '';
+    }
+}
+
+function onPricingUpliftInput() {
+    syncPricingLinkedInputs('uplift');
+    const customPrice = parseFloat(document.getElementById('pricing-custom-price').value) || 0;
+    applyPricingCustomPrice(customPrice);
+}
+
+function onPricingCustomPriceInput() {
+    syncPricingLinkedInputs('price');
+    const customPrice = parseFloat(document.getElementById('pricing-custom-price').value) || 0;
+    applyPricingCustomPrice(customPrice);
+}
+
+function applyPricingCustomPrice(customPrice) {
+    const estimateTotal = getPricingEstimateTotal();
+    const rows = document.querySelectorAll('#pricing-table-body tr.pricing-row');
 
     const vendorCells = document.querySelectorAll('#pricing-table-body .pricing-vendor-price');
     const totalVendorEl = document.getElementById('pricing-total-vendor');