feat(social): add listening activity, shared rooms and modern chat

apps/mobile/test/controller.test.ts

@@ -70,3 +70,18 @@ it('does not let a late context response replace a manually selected playlist',
   expect(player.getState().queue.map((t) => t.id)).toEqual(['manual']);
   expect(player.getState().context?.type).toBe('album');
 });
+
+it('does not restore a stale saved queue after manual playback starts', async () => {
+  const { player } = await import('../src/player/controller');
+  const saved = deferred<unknown>();
+  const get = vi.fn().mockReturnValue(saved.promise);
+  const post = vi.fn();
+  player.attach({ client: { GET: get, POST: post } } as unknown as AuthSession, 'http://localhost', null);
+  const restoring = player.restore();
+  await vi.waitFor(() => expect(get).toHaveBeenCalled());
+  await player.playList([track('chosen')], 0, { type: 'queue' });
+  saved.resolve({ data: { track_id: 'old', queue: ['old'], position_ms: 500 }, response: new Response() });
+  await restoring;
+  expect(player.getState().track?.id).toBe('chosen');
+  expect(post).not.toHaveBeenCalledWith('/api/v1/tracks/batch', expect.anything());
+});