增加注释

更新上传文件夹

update ignore

根据easyXT完善回测逻辑和约束

更新summary

修复bug

优化评估指标与优化bug

优化分析与回测速度并增加滚动指标用于分析因子普适性

Optimize: implement high-performance vectorized grid search, DuckDB memory caching, and parameter stability auditing

多因子优化与回测时间优化以及策略优化

Docs: restore historical summaries and update today's progress

Feat: implement 20 complex factor library, Alpha/Beta analysis, and ML ensemble framework with long-term training (2006-2026)

feat: 优化 VectorBT 回测引擎实现动态等权与流动性闭环逻辑

refactor: align backtest engines and optimize performance

使用相对路径