feat(factor): M7.1 因子定义入库 + /api/factors 读库(目录契约源)
- factor_definition 表(migration b7f2a5e81c33,MySQL 已应用):name 主键 + 元数据 (formula/brief/frequency/lookback/direction/requires JSON/version)+ FactorDefinition entity(from_registry_def 由代码注册表构造) - FactorRepository Protocol + SQLAlchemy 实现(幂等 upsert/list/get) - /api/factors 改读 DB;目录为空自动 seed 注册表(幂等)—— 保留自定义因子登记能力 (计算仍须代码注册,引用未注册因子照常 FactorError,防伪因子) - tests/test_factor_catalog.py(repo 幂等/roundtrip/registry seed、API seed+字段齐全); test_api 的 client fixture 补 tmp sqlite session(factors 读库);全量 pytest 通过
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"""因子目录 Repository Protocol(M7.1)。"""
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from __future__ import annotations
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from typing import Protocol
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from app.domain.entities.factor import FactorDefinition
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class FactorRepository(Protocol):
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def upsert_many(self, definitions: list[FactorDefinition]) -> int:
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"""以 name 为幂等键批量写入/更新,返回处理条数。"""
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def list(self) -> list[FactorDefinition]: ...
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def get(self, name: str) -> FactorDefinition | None: ...
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