From 409466af9b5a149b59e8e9f7ad6a449c8ad7242a Mon Sep 17 00:00:00 2001
From: DanielS <daniel.schumacher@caspos.de>
Date: Tue, 18 Aug 2026 16:26:39 +0200
Subject: [PATCH] fix(wizard): prevent duplicate register item addition on step
 transition

---
 shop/components/order-wizard.tsx | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/shop/components/order-wizard.tsx b/shop/components/order-wizard.tsx
index cd55aa3..2310919 100644
--- a/shop/components/order-wizard.tsx
+++ b/shop/components/order-wizard.tsx
@@ -542,7 +542,12 @@ export function OrderWizard({
 
   const nextStep = () => {
     if (step === 3 && allCategoriesFilled && productValidationErrors.length === 0) {
-      if (hasActiveSelection) {
+      const isDirtyNewDevice = deviceName.trim() !== '' || licenseNumber.trim() !== '' || Object.values(moduleQuantities).some(q => q > 0)
+      if (editingIdx !== null) {
+        addToBasket()
+      } else if (basketItems.length === 0 && hasActiveSelection) {
+        addToBasket()
+      } else if (isDirtyNewDevice && hasActiveSelection) {
         addToBasket()
       }
     }
@@ -738,7 +743,8 @@ export function OrderWizard({
     setIsSubmitting(true)
     try {
       let finalItems = [...basketItems]
-      if (hasActiveSelection && allCategoriesFilled && productValidationErrors.length === 0) {
+      const isDirtyNewDevice = deviceName.trim() !== '' || licenseNumber.trim() !== '' || Object.values(moduleQuantities).some(q => q > 0)
+      if ((editingIdx !== null || basketItems.length === 0 || isDirtyNewDevice) && hasActiveSelection && allCategoriesFilled && productValidationErrors.length === 0) {
         const normLicense = licenseNumber.trim().toUpperCase()
         if (normLicense) {
           const isDuplicateInBasket = basketItems.some(