Fetch Chinese stock and futures market data via Tushare API. Supports stock quotes, futures data, company fundamentals, and macroeconomic indicators. Use when the user needs financial data from Chinese markets. Requires TUSHARE_TOKEN environment variable.

通过 Tushare API 获取中国股市和期货市场数据，支持股票报价、期货数据、公司基本面及宏观经济指标。当用户需要中国市场的金融数据时使用。需设置 TUSHARE_TOKEN 环境变量。