fix: add double-submit protection for pricelist creation\n\n- Added isCreatingPricelist flag to prevent duplicate submissions\n- Disable submit button during creation process\n- Show loading text during submission\n- Re-enable button and restore text in finally block\n- Prevents accidental creation of duplicate pricelists

web/templates/admin_pricing.html

@@ -220,6 +220,7 @@ let sortField = 'popularity_score';
 let sortDir = 'desc';
 let pricelistsPage = 1;
 let pricelistsCanWrite = false;
+let isCreatingPricelist = false;
 
 async function loadTab(tab) {
     currentTab = tab;
@@ -1055,6 +1056,13 @@ async function deletePricelist(id) {
 document.getElementById('pricelists-create-form').addEventListener('submit', async function(e) {
     e.preventDefault();
 
+    if (isCreatingPricelist) return; // protection from double-submit
+    isCreatingPricelist = true;
+
+    const submitBtn = this.querySelector('button[type="submit"]');
+    submitBtn.disabled = true;
+    submitBtn.textContent = 'Создание...';
+
     try {
         const pl = await createPricelist();
         closePricelistsCreateModal();
@@ -1062,6 +1070,10 @@ document.getElementById('pricelists-create-form').addEventListener('submit', asy
         loadPricelists(1);
     } catch (e) {
         showToast('Ошибка: ' + e.message, 'error');
+    } finally {
+        isCreatingPricelist = false;
+        submitBtn.disabled = false;
+        submitBtn.textContent = 'Создать';
     }
 });
 </script>