catalog search/sort, edit-page characteristics, preferred vendor per article

frontend/src/pages/AusruestungsanfrageZuBestellung.tsx

@@ -72,6 +72,12 @@ export default function AusruestungsanfrageZuBestellung() {
     queryFn: () => bestellungApi.getVendors(),
   });
 
+  const { data: catalogItems = [] } = useQuery({
+    queryKey: ['ausruestungsanfrage', 'items-for-edit'],
+    queryFn: () => ausruestungsanfrageApi.getItems({ aktiv: true }),
+    staleTime: 5 * 60 * 1000,
+  });
+
   const anfrage = detail?.anfrage;
   const positionen: AusruestungAnfragePosition[] = detail?.positionen ?? [];
 
@@ -88,6 +94,27 @@ export default function AusruestungsanfrageZuBestellung() {
   // Track which position triggered the new-vendor dialog
   const [newVendorTargetPosId, setNewVendorTargetPosId] = useState<number | null>(null);
 
+  // ── Pre-populate vendor assignments from catalog items' preferred vendor ──
+  useEffect(() => {
+    if (positionen.length === 0 || catalogItems.length === 0 || vendors.length === 0) return;
+    setAssignments(prev => {
+      const next = { ...prev };
+      let changed = false;
+      positionen.forEach(pos => {
+        // Don't overwrite existing manual assignments
+        if (next[pos.id] != null) return;
+        if (!pos.artikel_id) return;
+        const artikel = catalogItems.find(a => a.id === pos.artikel_id);
+        if (!artikel?.bevorzugter_lieferant_id) return;
+        const vendor = vendors.find(v => v.id === artikel.bevorzugter_lieferant_id);
+        if (!vendor) return;
+        next[pos.id] = { lieferantId: vendor.id, lieferantName: vendor.name };
+        changed = true;
+      });
+      return changed ? next : prev;
+    });
+  }, [positionen, catalogItems, vendors]);
+
   // ── Derived: vendor groups ──
   const vendorGroups: VendorGroup[] = useMemo(() => {
     const map = new Map<number, VendorGroup>();