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A股特征工程/因子合成。当用户说"特征工程"、"因子合成"、"feature engineering"、"特征构造"、"因子加工"、"特征变换"时触发。基于 cn-stock-data 获取数据，进行系统化特征工程与因子合成。支持 formal/brief 两种输出风格。
Passed 15 of 23 test cases with the skill, and 10 of 23 without it.
and 4 more in the full report
7 fixed8 passed either way6 still failing2 broke
Tokens, turns and time describe resource use, not a dollar price.
The instructions your model reads when the skill loads.
通过 cn-stock-data skill 获取数据：
test cases passed, vs 10 / 23 without
Published skills whose descriptions closely match this one, with their headline benchmark lift.
More skills from the same source and nearby in the registry, with their headline benchmark lift.