From 82c386888f4f452bc12d7969f7ec582b7468e266 Mon Sep 17 00:00:00 2001
From: Matthias Hochmeister <matthias.hochmeister@apple.com>
Date: Fri, 27 Mar 2026 17:27:55 +0100
Subject: [PATCH] fix: reset editMode and form when navigating to vendor create
 page

---
 frontend/src/pages/LieferantDetail.tsx | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/frontend/src/pages/LieferantDetail.tsx b/frontend/src/pages/LieferantDetail.tsx
index 6b3e471..b958b25 100644
--- a/frontend/src/pages/LieferantDetail.tsx
+++ b/frontend/src/pages/LieferantDetail.tsx
@@ -47,6 +47,14 @@ export default function LieferantDetail() {
   const [form, setForm] = useState<LieferantFormData>({ ...emptyForm });
   const [deleteDialogOpen, setDeleteDialogOpen] = useState(false);
 
+  // Sync edit mode when navigating between /neu and /:id within the same component instance
+  useEffect(() => {
+    if (isNew) {
+      setEditMode(true);
+      setForm({ ...emptyForm });
+    }
+  }, [isNew]);
+
   // ── Query ──
   const { data: vendor, isPending, isLoading, isError } = useQuery({
     queryKey: ['lieferant', vendorId],