feat: Introduce baseAS state management in FilterManager and SettingsModal, enhancing community search normalization and user settings configuration for improved filtering accuracy.

frontend/src/components/SettingsModal.jsx

@@ -16,6 +16,7 @@ export default function SettingsModal({ open, onClose }) {
   const [etag, setEtag] = useState('');
   const [dohServer, setDohServer] = useState('');
   const [wsUrl, setWsUrl] = useState('');
+  const [baseAS, setBaseAS] = useState('65001');
 
   useEffect(() => {
     if (!open) return;
@@ -29,6 +30,7 @@ export default function SettingsModal({ open, onClose }) {
         const data = res?.data || {};
         setDohServer(String(data?.dohServer || ''));
         setWsUrl(String(data?.wsUpdateUrl || ''));
+        setBaseAS(String(data?.baseAS || '65001'));
         const e = res?.headers?.etag || res?.headers?.ETag || '';
         setEtag(e ? String(e) : '');
       } catch (e) {
@@ -87,7 +89,8 @@ export default function SettingsModal({ open, onClose }) {
       const payload = { 
         settings: { 
           dohServer: String(dohServer || '').trim(), 
-          wsUpdateUrl: String(wsUrl || '').trim() 
+          wsUpdateUrl: String(wsUrl || '').trim(),
+          baseAS: String(baseAS || '65001').trim()
         }, 
         etag 
       };
@@ -172,6 +175,17 @@ export default function SettingsModal({ open, onClose }) {
               helpText="HTTPS URL для DNS-over-HTTPS"
               disabled={loading || saving}
             />
+
+            <FormField
+              label="Базовая AS"
+              name="baseAS"
+              type="text"
+              value={baseAS}
+              onChange={setBaseAS}
+              placeholder="65001"
+              helpText="AS по умолчанию для community (например, 65001). Используется при поиске и нормализации community."
+              disabled={loading || saving}
+            />
           </div>
           
           <div className="modal-footer">