Исправлен конфликт ID между товарами и комплектами в корзине, использован составной ключ type-id

myproject/pos/static/pos/js/terminal.js

@@ -12,7 +12,7 @@ console.log(`  - Товаров: ${productsCount}, Комплектов: ${kitsC
 console.log('Позиции:', ITEMS);
 
 let currentCategoryId = null;
-const cart = new Map(); // productId -> {id, name, price, qty}
+const cart = new Map(); // "type-id" -> {id, name, price, qty, type}
 
 function formatMoney(v) {
   return (Number(v)).toFixed(2);
@@ -146,12 +146,13 @@ function renderProducts() {
 }
 
 function addToCart(item) {
-  const isNew = !cart.has(item.id);
+  const cartKey = `${item.type}-${item.id}`; // Уникальный ключ: "product-1" или "kit-1"
+  const isNew = !cart.has(cartKey);
   
   if (isNew) {
-    cart.set(item.id, { id: item.id, name: item.name, price: Number(item.price), qty: 1, type: item.type });
+    cart.set(cartKey, { id: item.id, name: item.name, price: Number(item.price), qty: 1, type: item.type });
   } else {
-    cart.get(item.id).qty += 1;
+    cart.get(cartKey).qty += 1;
   }
   
   renderCart();
@@ -160,7 +161,7 @@ function addToCart(item) {
   setTimeout(() => {
     const qtyInputs = document.querySelectorAll('.qty-input');
     const cartItems = Array.from(cart.keys());
-    const itemIndex = cartItems.indexOf(item.id);
+    const itemIndex = cartItems.indexOf(cartKey);
     
     if (itemIndex !== -1 && qtyInputs[itemIndex]) {
       qtyInputs[itemIndex].focus();
@@ -188,7 +189,7 @@ function renderCart() {
     return;
   }
   
-  cart.forEach(item => {
+  cart.forEach((item, cartKey) => {
     const row = document.createElement('div');
     row.className = 'cart-item mb-2';
     
@@ -214,9 +215,9 @@ function renderCart() {
     qtyInput.onchange = (e) => {
       const newQty = parseInt(e.target.value) || 1;
       if (newQty <= 0) {
-        removeFromCart(item.id);
+        removeFromCart(cartKey);
       } else {
-        cart.get(item.id).qty = newQty;
+        cart.get(cartKey).qty = newQty;
         renderCart();
       }
     };
@@ -230,7 +231,7 @@ function renderCart() {
     const deleteBtn = document.createElement('button');
     deleteBtn.className = 'btn btn-sm btn-link text-danger p-0';
     deleteBtn.innerHTML = '<i class="bi bi-x"></i>';
-    deleteBtn.onclick = () => removeFromCart(item.id);
+    deleteBtn.onclick = () => removeFromCart(cartKey);
     
     row.appendChild(namePrice);
     row.appendChild(multiplySign);
@@ -246,8 +247,8 @@ function renderCart() {
   document.getElementById('cartTotal').textContent = formatMoney(total);
 }
 
-function removeFromCart(id) {
-  cart.delete(id);
+function removeFromCart(cartKey) {
+  cart.delete(cartKey);
   renderCart();
 }