Generate a quick inline backtest and print stats. Do NOT create a file - output code directly for the user to run or execute in a notebook. Arguments - = symbol (e.g., SBIN, RELIANCE). Default: SBIN - = exchange. Default: NSE - = interval. Default: D Instructions Generate a single code block the user can paste into a Jupyter cell or run as a script. The code must: 1. Fetch data from OpenAlgo (or DuckDB if user provides a DB path, or yfinance as fallback) 2. Use OpenAlgo ta for EMA 10/20 crossover by default (never VectorBT built-in); only use TA-Lib if the user explicitly says "talib"/"TA-Lib…