38 lines
1.4 KiB
Markdown
38 lines
1.4 KiB
Markdown
# Research artifact contract handoff
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## Goal
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把完整可信研究链固化成存储中立、版本化、确定性的 `ResearchRunArtifact`，供
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`research_results` 持久化和 `research_platform` 查询：
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- run identity / schema version / config hash / code revision / data snapshot；
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- signal scores / decision weights / signal-to-execution mapping；
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- NAV / returns / benchmark / costs；
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- trades / realized positions / cash；
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- asset and daily return attribution；
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- performance including Sortino / TE / IR / alpha / beta；
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- reserved risk snapshot table；
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- canonical JSON / SHA-256 manifest。
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## Branch stack
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- 当前：`codex/research-artifact-contract-20260821`
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- 基线：`codex/ledger-attribution-20260821`（Draft PR #4）
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- 下层：Draft PR #3 → Ready PR #2 → `main`
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不得绕过堆叠顺序直接合并到 `main`。
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## Verification
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- `pytest -q --cov=src --cov-report=term-missing`: 520 passed，9 个既有 SciPy warning；
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- total coverage 91%，`artifact.py` 91%；
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- `mypy --strict src/`: 16 source files passed；
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- changed-scope Ruff: passed；
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- no runtime dependency added；
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- no database, network, broker or filesystem write side effect in artifact builder。
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## Next action
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在 `research_results` 新建独立分支，实现只接受 `ResearchRunArtifact.table_frames()` 的
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ClickHouse / artifact-store adapter；先以 mock writer 做契约测试，不接触真实数据库。
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