Add AyuLike settings screen with filter import/export/clear

- New SettingsScreens.AyuLikeSettings screen wired into Settings.tsx
- SettingsAyuLike: toggle hideSponsoredMessages, import JSON from AyuGram
  Desktop, export back to same format, clear all rules with confirmation
- messageFilters util: importFromAyuGram / exportToAyuGram supporting
  AyuGram v2 export format (text=regex, dialogId, caseInsensitive, reversed)
- Entry in SettingsMain under existing menu section

src/components/left/settings/Settings.tsx

@@ -23,6 +23,7 @@ import SettingsCustomEmoji from './SettingsCustomEmoji';
 import SettingsDataStorage from './SettingsDataStorage';
 import SettingsDoNotTranslate from './SettingsDoNotTranslate';
 import SettingsEditProfile from './SettingsEditProfile';
+import SettingsAyuLike from './SettingsAyuLike';
 import SettingsExperimental from './SettingsExperimental';
 import SettingsGeneral from './SettingsGeneral';
 import SettingsGeneralBackground from './SettingsGeneralBackground';
@@ -307,6 +308,10 @@ const Settings: FC<OwnProps> = ({
         return (
           <SettingsStickers isActive={isScreenActive} onReset={handleReset} />
         );
+      case SettingsScreens.AyuLikeSettings:
+        return (
+          <SettingsAyuLike isActive={isScreenActive} onReset={handleReset} />
+        );
       case SettingsScreens.Experimental:
         return (
           <SettingsExperimental isActive={isScreenActive} onReset={handleReset} />

src/components/left/settings/SettingsAyuLike.tsx

@@ -0,0 +1,154 @@
+import { memo, useRef } from '../../../lib/teact/teact';
+import { getActions, withGlobal } from '../../../global';
+
+import type { MessageFilterRule } from '../../../global/types/sharedState';
+import { selectSharedSettings } from '../../../global/selectors/sharedState';
+import download from '../../../util/download';
+import { exportToAyuGram, importFromAyuGram } from '../../../util/ayuLike/messageFilters';
+
+import useHistoryBack from '../../../hooks/useHistoryBack';
+import useLastCallback from '../../../hooks/useLastCallback';
+
+import Island from '../../gili/layout/Island';
+import Checkbox from '../../ui/Checkbox';
+import ListItem from '../../ui/ListItem';
+import ConfirmDialog from '../../ui/ConfirmDialog';
+import useFlag from '../../../hooks/useFlag';
+
+type OwnProps = {
+  isActive?: boolean;
+  onReset: () => void;
+};
+
+type StateProps = {
+  hideSponsoredMessages: boolean;
+  messageFilters: MessageFilterRule[];
+};
+
+const EXPORT_FILENAME = 'ayu-filters.json';
+
+const SettingsAyuLike = ({
+  isActive,
+  hideSponsoredMessages,
+  messageFilters,
+  onReset,
+}: OwnProps & StateProps) => {
+  const { setSharedSettingOption } = getActions();
+  const fileInputRef = useRef<HTMLInputElement>();
+  const [isClearConfirmOpen, openClearConfirm, closeClearConfirm] = useFlag(false);
+
+  useHistoryBack({ isActive, onBack: onReset });
+
+  const handleExport = useLastCallback(() => {
+    const json = exportToAyuGram(messageFilters);
+    const blob = new Blob([json], { type: 'application/json' });
+    const url = URL.createObjectURL(blob);
+    download(url, EXPORT_FILENAME);
+    setTimeout(() => URL.revokeObjectURL(url), 10_000);
+  });
+
+  const handleImportClick = useLastCallback(() => {
+    fileInputRef.current?.click();
+  });
+
+  const handleFileChange = useLastCallback((e: React.ChangeEvent<HTMLInputElement>) => {
+    const file = e.target.files?.[0];
+    if (!file) return;
+
+    const reader = new FileReader();
+    reader.onload = () => {
+      try {
+        const imported = importFromAyuGram(JSON.parse(reader.result as string));
+        setSharedSettingOption({
+          ayuLike: { hideSponsoredMessages, messageFilters: imported },
+        });
+      } catch {
+        // Silently ignore malformed files — user will see no change
+      }
+      // Reset so the same file can be re-imported
+      e.target.value = '';
+    };
+    reader.readAsText(file);
+  });
+
+  const handleClearConfirmed = useLastCallback(() => {
+    setSharedSettingOption({
+      ayuLike: { hideSponsoredMessages, messageFilters: [] },
+    });
+    closeClearConfirm();
+  });
+
+  return (
+    <div className="settings-content custom-scroll">
+      <div className="settings-content-header no-border">
+        <p className="settings-item-description pt-3" dir="auto">
+          Local message filters and ad settings. Changes take effect immediately and are stored locally.
+        </p>
+      </div>
+
+      <Island>
+        <Checkbox
+          label="Hide Sponsored Messages"
+          checked={hideSponsoredMessages}
+          onCheck={(checked) => setSharedSettingOption({
+            ayuLike: { hideSponsoredMessages: checked, messageFilters },
+          })}
+        />
+      </Island>
+
+      <Island>
+        <ListItem
+          icon="download"
+          onClick={handleImportClick}
+        >
+          <div className="title">Import Filters from AyuGram</div>
+          {messageFilters.length > 0 && (
+            <span className="settings-item__current-value">{messageFilters.length} rules</span>
+          )}
+        </ListItem>
+        <ListItem
+          icon="document"
+          disabled={messageFilters.length === 0}
+          onClick={handleExport}
+        >
+          <div className="title">Export Filters</div>
+        </ListItem>
+        <ListItem
+          icon="delete"
+          disabled={messageFilters.length === 0}
+          onClick={openClearConfirm}
+        >
+          <div className="title">Clear All Filters</div>
+        </ListItem>
+      </Island>
+
+      <input
+        ref={fileInputRef}
+        type="file"
+        accept=".json,application/json"
+        style="display: none"
+        onChange={handleFileChange}
+      />
+
+      <ConfirmDialog
+        isOpen={isClearConfirmOpen}
+        title="Clear All Filters"
+        text={`Remove all ${messageFilters.length} filter rules?`}
+        confirmLabel="Clear"
+        confirmIsDestructive
+        onClose={closeClearConfirm}
+        confirmHandler={handleClearConfirmed}
+      />
+    </div>
+  );
+};
+
+export default memo(withGlobal<OwnProps>(
+  (global): Complete<StateProps> => {
+    const { ayuLike } = selectSharedSettings(global);
+    return {
+      hideSponsoredMessages: ayuLike.hideSponsoredMessages,
+      messageFilters: ayuLike.messageFilters,
+    };
+  },
+)(SettingsAyuLike));

src/components/left/settings/SettingsMain.tsx

@@ -167,6 +167,13 @@ const SettingsMain: FC<OwnProps & StateProps> = ({
           >
             {lang('MenuStickers')}
           </ListItem>
+          <ListItem
+            icon="calendar-filter"
+            narrow
+            onClick={() => openSettingsScreen({ screen: SettingsScreens.AyuLikeSettings })}
+          >
+            Message Filters
+          </ListItem>
         </Island>
         <Island>
           {canBuyPremium && (

src/types/index.ts

@@ -273,6 +273,7 @@ export enum SettingsScreens {
   PasscodeTurnOff,
   PasscodeCongratulations,
   Experimental,
+  AyuLikeSettings,
   Stickers,
   QuickReaction,
   CustomEmoji,

src/util/ayuLike/messageFilters.ts

@@ -31,6 +31,50 @@ function getMessageMediaTypes(message: ApiMessage): string[] {
   ].filter(Boolean) as string[];
 }
 
+// AyuGram Desktop export format (version 2)
+interface AyuGramExport {
+  filters: {
+    id: string;
+    text: string;
+    enabled: boolean;
+    reversed: boolean;
+    caseInsensitive: boolean;
+    dialogId: string | null;
+  }[];
+  exclusions?: unknown[];
+  version?: number;
+}
+
+export function importFromAyuGram(json: unknown): MessageFilterRule[] {
+  const data = json as AyuGramExport;
+  if (!Array.isArray(data?.filters)) throw new Error('Invalid AyuGram export format');
+
+  return data.filters.map((f) => ({
+    id: f.id,
+    enabled: Boolean(f.enabled),
+    reversed: Boolean(f.reversed),
+    caseInsensitive: Boolean(f.caseInsensitive),
+    regex: f.text,
+    chatIds: f.dialogId ? [String(f.dialogId)] : undefined,
+  }));
+}
+
+export function exportToAyuGram(rules: MessageFilterRule[]): string {
+  const data: AyuGramExport = {
+    exclusions: [],
+    filters: rules.map((r) => ({
+      id: r.id,
+      text: r.regex ?? r.keyword ?? '',
+      enabled: r.enabled,
+      reversed: Boolean(r.reversed),
+      caseInsensitive: Boolean(r.caseInsensitive),
+      dialogId: r.chatIds?.[0] ?? null,
+    })),
+    version: 2,
+  };
+  return JSON.stringify(data, null, 2);
+}
+
 export function shouldHideMessageByRules(
   message: ApiMessage,
   rules: MessageFilterRule[] = [],