feat: 因子引擎字段验证改进、股票池过滤修复及实验模块增强

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1. 因子引擎字段验证改进
   - 新增 SchemaCache.get_all_fields() 方法，返回所有可用字段集合
   - 修改 match_fields_to_tables()，对不存在的字段抛出明确错误
   - 错误信息包含可用字段列表提示，帮助用户检查拼写
2. 股票池过滤修复
   - 修复北交所股票排除逻辑：将识别方式从代码前缀（8/4开头）改为.BJ后缀
   - 更新文档注释，明确北交所股票识别规则
3. 实验模块增强
   - 新增 regression.py 实现回归实验逻辑
   - 新增 output/ 目录存放实验输出结果

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This commit is contained in:

liaozhaorun

2026-03-03 23:51:08 +08:00

parent 192718095f

commit f1687dadf3

4 changed files with 1694 additions and 7 deletions

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