feat(SettingsModal): enhance server selection for ping services with autocomplete input and load server list from API

frontend/src/components/SettingsModal.jsx

@@ -1,8 +1,9 @@
 import FormField from './FormField';
-import { useEffect, useState } from 'react';
+import { useEffect, useState, useMemo } from 'react';
 import api from '../lib/api.js';
 import { IconSettings, IconDeviceFloppy } from '@tabler/icons-react';
 import ErrorAlert from './ErrorAlert';
+import ServerAutocompleteInput from './ServerAutocompleteInput.jsx';
 
 /**
  * SettingsModal - модальное окно настроек интерфейса
@@ -25,17 +26,27 @@ export default function SettingsModal({ open, onClose }) {
   const [pingServicesSource, setPingServicesSource] = useState('web');
   const [pingServicesServerId, setPingServicesServerId] = useState('');
   const [pingServicesGatewayIp, setPingServicesGatewayIp] = useState('');
+  const [serversList, setServersList] = useState([]);
+
+  const routerServersForPing = useMemo(() => {
+    return (serversList || []).filter(
+      (s) => s && (String(s.type || '').toLowerCase() === 'jumphost' || String(s.type || '').toLowerCase() === 'home')
+    );
+  }, [serversList]);
 
   useEffect(() => {
     if (!open) return;
     setError('');
     setSuccess('');
     setLoading(true);
-    
+
     (async () => {
       try {
-        const res = await api.get('/ui-settings');
-        const data = res?.data || {};
+        const [settingsRes, serversRes] = await Promise.all([
+          api.get('/ui-settings'),
+          api.get('/servers').catch(() => ({ data: [] })),
+        ]);
+        const data = settingsRes?.data || {};
         setRawSettings(data);
         setDohServer(String(data?.dohServer || ''));
         setWsUrl(String(data?.wsUpdateUrl || ''));
@@ -47,8 +58,9 @@ export default function SettingsModal({ open, onClose }) {
         setPingServicesSource(String(data?.pingServicesSource || 'web').toLowerCase() === 'router' ? 'router' : 'web');
         setPingServicesServerId(String(data?.pingServicesServerId || '').trim());
         setPingServicesGatewayIp(String(data?.pingServicesGatewayIp || '').trim());
-        const e = res?.headers?.etag || res?.headers?.ETag || '';
+        const e = settingsRes?.headers?.etag || settingsRes?.headers?.ETag || '';
         setEtag(e ? String(e) : '');
+        setServersList(Array.isArray(serversRes?.data) ? serversRes.data : []);
       } catch (e) {
         setError('Не удалось загрузить настройки');
       } finally {
@@ -256,26 +268,30 @@ export default function SettingsModal({ open, onClose }) {
               {pingServicesSource === 'router' && (
                 <div className="row g-2">
                   <div className="col-md-6">
-                    <FormField
-                      label="Роутер (jumphost)"
-                      name="pingServicesServerId"
-                      type="text"
-                      value={pingServicesServerId}
-                      onChange={setPingServicesServerId}
-                      placeholder="ID, DNS или IP jumphost"
-                      helpText="Оставьте пустым — будет использован первый jumphost из списка серверов."
-                      disabled={loading || saving}
-                    />
+                    <label className="form-label small">Домашний роутер</label>
+                    <div className={loading || saving ? 'opacity-75 pe-none' : ''}>
+                      <ServerAutocompleteInput
+                        value={pingServicesServerId}
+                        onChange={(v) => setPingServicesServerId(String(v || '').trim())}
+                        servers={routerServersForPing}
+                        placeholder="Выберите роутер (jumphost или входной)"
+                        className="form-control form-control-sm"
+                        maxSuggestions={10}
+                      />
+                    </div>
+                    <div className="form-text small">
+                      Выбор роутера с MikroTik API для пинга с главной. Пусто — первый jumphost из списка.
+                    </div>
                   </div>
                   <div className="col-md-6">
                     <FormField
-                      label="IP шлюза (опционально)"
+                      label="IP шлюза (не обязательно)"
                       name="pingServicesGatewayIp"
                       type="text"
                       value={pingServicesGatewayIp}
                       onChange={setPingServicesGatewayIp}
                       placeholder="IP шлюза"
-                      helpText="Оставьте пустым — берётся первый шлюз роутера."
+                      helpText="Не обязательно. Пусто — используется первый шлюз выбранного роутера."
                       disabled={loading || saving}
                     />
                   </div>