Kundenliste: Fallback laedt alle Kunden statt nur 25

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/hooks/useCustomers.js

@@ -41,7 +41,8 @@ export function useCustomers() {
         const response = await databases.listDocuments(
           DATABASE_ID,
           COLLECTIONS.CUSTOMERS,
-          [Query.orderAsc('name')]
+          // Ohne Limit liefert Appwrite nur 25 Dokumente.
+          [Query.orderAsc('name'), Query.limit(5000)]
         )
         setCustomers(response.documents || [])
       }