GitHub
b2509a8d0e
release: v1.25.0 — Walk-Forward/适配性/一条龙评估防过拟合链 + 评分评级后端化 + 寻优加速
升级计划 P1：补上两个下游项目都在自研的样本外验证空白。
- Walk-Forward 引擎（walkforward.py）：7 窗样本外、每窗独立开仓（backtest-system v1.2.1 踩坑语义）、
上下文预热不污染；CLI --wf、REST /backtest/wf/run/async
- 适配性评估（fitness.py）：train/valid/test 三段 + 8 项可解释检查 + 高适配标记；
evaluate_prefix 滚动过滤原语（无未来泄漏）
- 一条龙评估（benchmark.py evaluate_strategy）：回测+WF+适配性+评分+评级+买入持有基准对比；
CLI --evaluate、REST /backtest/evaluate/run/async
- 综合评分（scoring.py，收益50/夏普15/回撤10/Sortino5/WF20）+ 评级后端化（grading.py，
前端 TS 忠实移植，REST 响应新增 grade/score 字段）
- 多 seed 验证 + 四项晋级门槛（validation.py）；REST /backtest/multiseed/run/async
- 寻优两段式加速：IndicatorCache（36 点网格命中率 41.7%）+ workers 进程并行（实测约 2x）；
诚实注：指标缓存墙钟 ~1.01x，瓶颈在逐 bar 循环，后续向量化
- strategy.I() 指标缓存钩子 + 数据代理零拷贝（astype copy=False）；
types.to_json_native 统一 numpy 清洗
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