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/shared/ui/secondaryWindows.stability.test.ts

@@ -12,6 +12,7 @@ const SECONDARY_WINDOW_MAINS = [
   'npcs/npcsEditorMain.tsx',
   'npcs/npcsMain.tsx',
   'materials/main.tsx',
+  'playlists/main.tsx',
   'sceneEditor/main.tsx',
   'sceneDescription/main.tsx',
   'control/main.tsx',
@@ -125,6 +126,20 @@ void test('EditorApp: split Run button and launch-with-players modal', () => {
   assert.ok(editor.includes('top.runWithPlayers'));
 });
 
+void test('EditorApp: Playlists header and modal', () => {
+  const src = fs.readFileSync(path.join(rendererRoot, 'editor/EditorApp.tsx'), 'utf8');
+  assert.ok(src.includes('data-testid="playlists-header-btn"'));
+  assert.ok(src.includes('PlaylistsManagerModal'));
+  assert.ok(src.includes('setPlaylistsManagerOpen(true)'));
+  assert.ok(src.includes('setPlaylistsManagerOpen(false)'));
+});
+
+void test('ControlApp: Playlists tool opens window', () => {
+  const src = fs.readFileSync(path.join(rendererRoot, 'control/ControlApp.tsx'), 'utf8');
+  assert.ok(src.includes('data-testid="control-playlists-tool"'));
+  assert.ok(src.includes('windows.openPlaylists'));
+});
+
 void test('PlayerTokenView: name plate shows full text without ellipsis', () => {
   const css = fs.readFileSync(
     path.join(rendererRoot, 'shared/playerToken/PlayerTokenView.module.css'),