feat(playlists): библиотека плейлистов приложения

CRUD в редакторе, read-only окно на пульте, отдельный аудиоканал, экспорт/импорт и маппинг из Foundry.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/renderer/playlists/PlaylistsApp.tsx

@@ -0,0 +1,33 @@
+import React, { useEffect, useMemo } from 'react';
+
+import { ipcChannels } from '../../shared/ipc/contracts';
+import { useEditorI18n } from '../editor/i18n/EditorI18nContext';
+import { getDndApi } from '../shared/dndApi';
+import {
+  PlaylistsPanel,
+  playlistsPanelLabelsFromT,
+} from '../shared/playlists/PlaylistsPanel';
+
+import styles from './PlaylistsApp.module.css';
+
+export function PlaylistsApp() {
+  const { t } = useEditorI18n();
+  const api = getDndApi();
+  const labels = useMemo(() => playlistsPanelLabelsFromT(t), [t]);
+
+  useEffect(() => {
+    const onKey = (e: KeyboardEvent) => {
+      if (e.key === 'Escape') {
+        void api.invoke(ipcChannels.windows.closePlaylists, {});
+      }
+    };
+    window.addEventListener('keydown', onKey);
+    return () => window.removeEventListener('keydown', onKey);
+  }, [api]);
+
+  return (
+    <div className={styles.page} data-testid="playlists-app">
+      <PlaylistsPanel labels={labels} className={styles.panel} readOnly />
+    </div>
+  );
+}