refactor: ECR-002 拆分 runtime 包并加深 analyze 契约(已审)
将 web/services/runtime.py 拆为 runtime/ 子模块并保持门面兼容;补齐 ESS 文档、门面/契约/TF_DF 测试与 CODE_REVIEW Approve。 Co-authored-by: Cursor <cursoragent@cursor.com>
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# ECR-002
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**Title:** 拆分 `web/services/runtime.py` + 加深 `/api/analyze` 契约测试
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**Status:** Done (Reviewed)
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**Date:** 2026-08-06
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**Change Level:** L3(行为冻结;若 golden 漂移则升 L2)
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## Change
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将仍偏大的 `web/services/runtime.py` 按职责拆为可维护子模块;加深 analyze API 契约/快照测试;可选拆分主站巨型 `chart_tv.js`(本轮未做)。
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## Motivation
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ECR-001 CODE_REVIEW 非阻断债务:runtime 过大、契约测试偏浅、chart_tv 单体。不处理会继续抬高 Web 改动风险。
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## Scope
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### Allowed
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- 物理拆分 `web/services/runtime.py` → 包 `web/services/runtime/`(state / timeframes / market_data / indicators / analyze / serialize + 门面)
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- 加深 `web/tests/`:固定 fixture / mock 行情下的关键字段快照与契约
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- 补 `TF_DF(..., interval=1)` 全量 `__init__` 冒烟
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- 更新 TECH_STACK / TRACEABILITY / CHANGELOG
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### Forbidden
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- 修改笔 / 线段 / 中枢 / 买卖点算法语义
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- 破坏 `/api/analyze` JSON 字段(可增不可删)
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- 修改 `config/`、`strategies/` 交易逻辑或参数
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- 引入 Vite/React/TS 构建
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- 为主站重新引入 WebSocket 实时(须另 ECR)
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- 无 Approve 即大规模改前端视觉
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## Risk
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| Risk | Mitigation |
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|------|------------|
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| 拆文件隐式改行为 | 仅搬移;golden + analyze 契约/快照 |
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| 门面漏导出 | 保留 `runtime` re-export + 历史 import * 兼容符号 |
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| 测试依赖真实行情 | mock / fixture;不绑生产 WS |
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| chart_tv 拆分漏事件 | 本轮不做 |
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## Acceptance Criteria
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- [x] `runtime` 门面公开符号与拆分前兼容(含 `timezone`/`OrderedDict`/`np`/StructureZone 等历史漏出)
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- [x] Golden:`pytest tests/test_golden_pipeline.py` 通过
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- [x] Analyze 契约/快照测试通过且覆盖关键字段清单以上
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- [x] TF_DF 全量 init 冒烟通过
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- [x] `config/` / `strategies/` 无交易逻辑 diff
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- [x] IMPLEMENTATION_REPORT / TEST_REPORT / CHANGELOG / TRACEABILITY 更新
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- [x] CODE_REVIEW Approve
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## Rollback
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`git revert` 本 ECR 提交;门面保留期可整包回滚。
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## Risk Review
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- Path: `docs/RISK_REVIEW/ECR-002.md` — N/A(不改交易决策语义)
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## Linked
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- IDEA: `docs/IDEA/IDEA-003-runtime-split.md`
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- PRODUCT_SPEC: `docs/PRODUCT_SPEC/ECR-002-runtime-split.md`
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- ENGINEERING_SPEC: `docs/ENGINEERING_SPEC/ECR-002-runtime-split.md`
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- ADR: 引用 ADR-001(包内再拆,无新顶层布局 ADR)
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- EXPERIMENT: N/A
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- TRACEABILITY: Yes
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- IMPLEMENTATION_REPORT: `docs/IMPLEMENTATION_REPORT/ECR-002.md`
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- TEST_REPORT: `docs/TEST_REPORT/ECR-002.md`
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## Origin
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- `docs/CODE_REVIEW/ECR-001.md` Findings 1–3、5
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