fix(backtest): 结果页指标全显"—" + 任务重启后404
两个根因:
1. relative_metrics 缺字段(routes.py): get_result 的 relative_fields 列表
漏了 total_return/annual_return/sharpe_ratio/max_drawdown 4 个字段, 导致
这 4 个指标永远进不了响应 → 前端 MetricCards 显"—"。补全为 11 字段。
2. 任务 task_id 不持久(runner/cta_engine): submit_cta 用 cta_{symbol}_{id(params)}
(内存地址) 作 runner id, 而 run_cta_backtest 内部另生成 cta_{uuid} 存 DB,
两者持久层不相交 → 重启后 pool 内存映射丢失, get_result(runner_id) 的
load_result_by_task_id 查不到 → /result 404 → 前端指标全 0 + 图表无数据。
改为 submit 前置生成稳定 uuid, 透传给 run_cta_backtest 复用, 使
runner-id == DB task_id (单一 id, 重启可查)。
附: Dashboard 最近任务"策略/因子"列 min-width 150→190(长策略名不再截断)
测试: test_runner task_id 断言同步新格式
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@@ -139,8 +139,9 @@ def get_result(task_id: str):
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# Extract relative metrics from statistics
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relative_metrics = {}
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relative_fields = [
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"total_return", "annual_return", "sharpe_ratio", "max_drawdown",
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"alpha", "beta", "sortino_ratio", "information_ratio",
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"annual_volatility", "benchmark_return", "benchmark_volatility"
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"annual_volatility", "benchmark_return", "benchmark_volatility",
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]
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for field in relative_fields:
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if field in r.statistics:
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