feat: Telegram admin notification on order status change

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/admin/orders/OrderModal.jsx

@@ -127,6 +127,31 @@ const OrderModal = ({ order, onClose, onSaved, mode = 'edit' }) => {
           : 'Данные заказа обновлены',
       });
       if (evtErr) console.error('Failed to log order event:', evtErr);
+
+      if (statusChanged) {
+        const message =
+          `📋 Статус заказа изменён\n\n` +
+          `Клиент: ${form.name}\n` +
+          `Телефон: ${form.phone}\n` +
+          (form.telegram_username ? `Telegram: ${form.telegram_username}\n` : '') +
+          (form.max_username ? `Max: ${form.max_username}\n` : '') +
+          `Статус: ${order.status} → ${form.status}\n` +
+          (form.address ? `Адрес: ${form.address}\n` : '') +
+          (form.final_cost ? `Сумма: ${Number(form.final_cost).toLocaleString('ru-RU')} ₽\n` : '');
+
+        fetch(
+          `https://api.telegram.org/bot${import.meta.env.VITE_TG_BOT_TOKEN}/sendMessage`,
+          {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify({
+              chat_id: import.meta.env.VITE_TG_CHAT_ID,
+              text: message,
+              parse_mode: 'HTML',
+            }),
+          }
+        ).catch(() => {});
+      }
     }
     setSaving(false);
     onSaved?.();