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| author | Somhairle H. Marisol <[email protected]> | 2026-09-18 10:36:09 +0800 |
|---|---|---|
| committer | Somhairle H. Marisol <[email protected]> | 2026-09-18 10:36:09 +0800 |
| commit | f3831e6cc62938c94b398e93e9f25e6f22164266 (patch) | |
| tree | 2f8a2cfb65bfde324af14c9a24709e0843b3401d /docs/parent-ui-findings.md | |
| parent | f401925aa27c641ba821b64374e1399c829249ad (diff) | |
| download | strategy-lab-f3831e6cc62938c94b398e93e9f25e6f22164266.tar.gz | |
feat(frontend): 投入口径 reporting 推导函数（资本三件套：投入/持仓估值/回报率）
[变更性质] 新增纯函数推导层，任务 A3。
[新增功能] capitalReporting：累计投入=首日cash−末日cash（2位）；持仓估值=Σ末日positions×closes；投入回报率=估值/投入−1（带正负号百分号）；未投入/无数据返回 null 不除零。
[实现方案] 纯前端推导，零后端改动；测试锚点取现网 run 26e9c9ab（投入 12029.09 / 估值 10846.00 / -9.84%）真实账目，另有多 symbol/未建仓/空数据等 9 用例。
[影响范围] frontend/src/lib/capitalMetrics.ts + 新增测试，vitest 84/84。
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