fetch-stock-daily-json
Resolve a China A-share stock name or code in pure Node.js, fetch daily historical bars from Eastmoney HTTP APIs, and archive them as local JSON files. Use when the request is about 日线, 历史K线, daily history, candles, OHLCV, raw market data export, or stock-name-or-code to API to JSON persistence for inputs such as 600519, 300750.SZ, or 贵州茅台.
