longbridge-strategy-optimizer Quantitative strategy generation and optimisation framework — grid search, walk-forward validation, and overfitting detection. Response language : match the user's input language — Simplified Chinese / Traditional Chinese / English. When to use Trigger on prompts asking for: - Building or optimising a quant strategy — "帮我优化这个均线策略" , "strategy optimization" , "参数网格搜索" - Walk-forward or overfitting checks — "走前验证" , "过拟合检测" , "walk-forward validation" - Strategy combination — "多策略组合" , "strategy combination" , "correlation diversification" - Sharpe / Calmar ratio t…