feat: allow quote editing for all statuses except completed

shop/app/my-orders/page.tsx

@@ -132,7 +132,7 @@ export default async function MyOrdersPage() {
                         Details ansehen
                       </Button>
                     </Link>
-                    {o.status === 'pending' && (
+                    {o.status !== 'completed' && (
                       <Link href={`/order?id=${o.id}`}>
                         <Button variant="outline" size="sm" className="border-amber-500/20 hover:bg-amber-500/10 hover:border-amber-500/40 text-amber-400 text-xs">
                           Bearbeiten

shop/app/order/page.tsx

@@ -66,7 +66,7 @@ async function OrderDataWrapper({ orderId }: { orderId?: string }) {
       redirect('/order')
     }
 
-    if (orderData.status !== 'pending' && !isAdmin) {
+    if (orderData.status === 'completed' && !isAdmin) {
       redirect('/order')
     }
 

shop/lib/actions/orders.ts

@@ -418,8 +418,8 @@ export async function updateOrder(
     throw new Error('Keine Berechtigung dieses Angebot zu bearbeiten.')
   }
 
-  if (existingOrder.status !== 'pending' && !isAdmin) {
-    throw new Error('Nur Angebote im Status "Eingegangen" können bearbeitet werden.')
+  if (existingOrder.status === 'completed' && !isAdmin) {
+    throw new Error('Abgeschlossene Angebote können nicht mehr bearbeitet werden.')
   }
 
   // Fetch catalog directly from DB to prevent client tampering

shop/lib/types.ts

@@ -148,7 +148,7 @@ export type Order = {
   order_data: OrderSnapshot
   total_price: number
   pdf_url: string | null
-  status: 'pending' | 'active' | 'cancelled'
+  status: 'pending' | 'active' | 'completed' | 'cancelled'
   created_at: string
 }