fix: addon free_threshold calculation fixed

src/components/AddonList.tsx

@@ -1,13 +1,14 @@
 import type { AddonData } from '../types';
-import { formatMoney } from '../lib/format';
+import { addonPriceForDevices, formatMoney } from '../lib/format';
 
 interface AddonListProps {
   addons: AddonData[];
+  devices: number;
   selected: string[];
   onToggle: (id: string) => void;
 }
 
-export function AddonList({ addons, selected, onToggle }: AddonListProps) {
+export function AddonList({ addons, devices, selected, onToggle }: AddonListProps) {
   if (addons.length === 0) return null;
   return (
     <div className="plan-addons">
@@ -18,6 +19,7 @@ export function AddonList({ addons, selected, onToggle }: AddonListProps) {
       <div className="addon-list">
         {addons.map((a) => {
           const on = selected.includes(a.id);
+          const price = addonPriceForDevices(a, devices);
           return (
             <button
               key={a.id}
@@ -31,8 +33,7 @@ export function AddonList({ addons, selected, onToggle }: AddonListProps) {
                 <span className="addon-name">{a.name}</span>
               </span>
               <span className="addon-price">
-                <span className="plus">+</span>
-                {formatMoney(a.price)}
+                {price === 0 ? 'Бесплатно' : <><span className="plus">+</span>{formatMoney(price)}</>}
               </span>
             </button>
           );