refactor: Update FilterManager to improve query parameter handling and server selection logic, enhancing user experience with more precise state management.

frontend/src/FilterManager.jsx

@@ -70,29 +70,34 @@ function FilterManager() {
   const [sortBy, setSortBy] = useState('community'); // community | gateway | description
   const [sortDir, setSortDir] = useState('asc'); // asc | desc
 
-  // Префилл из query (?community=..., ?serverId=..., ?server=...) и автоселект сервера
-  const prefillAppliedRef = useRef(false);
+  // Префилл из query (?community=..., ?serverId=..., ?server=...) без автоселекта по умолчанию
+  const queryParamsRef = useRef({ community: null, serverId: null, serverName: null });
+  const serverPrefillDoneRef = useRef(false);
+
+  // Сохраняем query-параметры один раз и заполняем поиск
   useEffect(() => {
-    if (prefillAppliedRef.current) return;
     const params = new URLSearchParams(window.location.search);
     const communityFromQuery = params.get('community');
     const serverIdFromQuery = params.get('serverId');
     const serverNameFromQuery = params.get('server');
-
+    queryParamsRef.current = { community: communityFromQuery, serverId: serverIdFromQuery, serverName: serverNameFromQuery };
     if (communityFromQuery) {
       setFilterSearch(communityFromQuery);
     }
+  }, []);
 
-    if (servers.length > 0) {
-      let target =
-        (serverIdFromQuery && servers.find((s) => s.id === serverIdFromQuery)) ||
-        (serverNameFromQuery && servers.find((s) => s.name === serverNameFromQuery)) ||
-        servers.find((s) => s.enabled) ||
-        servers[0];
-      if (target) {
-        setSelectedServer(target);
-      }
-      prefillAppliedRef.current = true;
+  // Если в ссылке указан конкретный сервер — выбираем его после загрузки списка
+  useEffect(() => {
+    if (serverPrefillDoneRef.current) return;
+    const { serverId, serverName } = queryParamsRef.current;
+    if (!serverId && !serverName) return;
+    if (!servers.length) return;
+    const target =
+      (serverId && servers.find((s) => s.id === serverId)) ||
+      (serverName && servers.find((s) => s.name === serverName));
+    if (target) {
+      setSelectedServer(target);
+      serverPrefillDoneRef.current = true;
     }
   }, [servers]);