204 lines
7.3 KiB
Python
204 lines
7.3 KiB
Python
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"""Domain-owned AI capabilities; caller owns authorization and transactions."""
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from typing import Literal
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from fastapi import HTTPException
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from pydantic import Field
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from ..ai.capabilities import Capability, EmptyArgs
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from ..schemas import Contract
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from .contracts import ControlInput, PreviewInput, RerunInput, StartInput
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class BacktestRunArgs(Contract):
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run_id: str = Field(min_length=1, max_length=36)
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class BacktestListArgs(Contract):
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limit: int = Field(default=20, ge=1, le=100)
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offset: int = Field(default=0, ge=0)
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source: str | None = Field(default=None, max_length=100)
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reference: str | None = Field(default=None, max_length=200)
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research_id: str | None = Field(default=None, max_length=200)
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class BacktestDraftArgs(Contract):
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draft_id: str = Field(min_length=1, max_length=36)
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limit: int = Field(default=25, ge=1, le=100)
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offset: int = Field(default=0, ge=0)
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class BacktestResultsArgs(BacktestRunArgs):
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limit: int = Field(default=20, ge=1, le=100)
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offset: int = Field(default=0, ge=0)
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class BacktestPreviewArgs(Contract):
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preview_id: str = Field(min_length=1, max_length=36)
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limit: int = Field(default=20, ge=1, le=100)
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offset: int = Field(default=0, ge=0)
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class BacktestControlArgs(BacktestRunArgs):
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action: Literal["pause", "resume", "stop", "recover"]
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class BacktestRerunArgs(BacktestRunArgs):
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item_ids: list[str] = Field(min_length=1, max_length=100)
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async def draft(ctx, args):
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data = await ctx.business.backtests.draft(args.draft_id)
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candidates = data.pop("candidates")
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return {
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**data,
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"items": candidates[args.offset : args.offset + args.limit],
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"total": len(candidates),
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"limit": args.limit,
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"offset": args.offset,
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"has_more": args.offset + args.limit < len(candidates),
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}
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async def results(ctx, args):
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data = await ctx.business.backtests.results(**args.model_dump())
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# Keep the established card shape; complete raw snapshots remain available by business reference.
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for item in data["items"]:
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if item["result"]:
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snapshot = item["result"].pop("snapshot")
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item["result"].update({k: snapshot.get(k) for k in ("is", "os", "checks", "dateCreated")})
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return data
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async def preview_start(ctx, args):
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return {"backtest": await ctx.business.backtests.get_preview(args.preview_id)}
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async def start(ctx, args, preview):
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current = await ctx.business.backtests.get_preview(args.preview_id)
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if current["digest"] != preview["backtest"]["digest"] or current["version"] != args.version:
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raise HTTPException(409, "回测预览不匹配，请重新确认")
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return await ctx.business.backtests.start(args)
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async def preview_control(ctx, args):
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return {"backtest_run": await ctx.business.backtests.run(args.run_id), "action": args.action}
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async def control(ctx, args, preview):
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return await ctx.business.backtests.control(
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args.run_id, ControlInput(action=args.action, version=preview["backtest_run"]["version"])
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)
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async def wake_backtests(runner, result):
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"""Only committed, confirmed runs can wake the existing backtest lane."""
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runner.backtests.wake.set()
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INSTRUCTIONS = "回测先读取能力再准备固定候选预览，每次运行确认一次；后续候选新建预览。停止生成不取消回测。\n回测结果追问用 get_backtest/get_backtest_results。上下文或历史没有运行 ID 时，可用 list_backtests 按 source=chatbox 和会话 reference 找回；不得把启动返回当作结果。"
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CAPABILITIES = (
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Capability(
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name="get_backtest_draft",
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schema=BacktestDraftArgs,
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description="分页读取已有候选草稿、版本和来源，随后按 draft_id/draft_version 准备预览。",
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label="读取候选草稿",
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renderer="catalog",
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effect="query",
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handler=draft,
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),
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Capability(
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name="get_backtest_capabilities",
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schema=EmptyArgs,
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description="读取回测输入 schema、支持类型和本地调度配置，不代表平台剩余额度。",
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label="读取回测能力",
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renderer="backtest",
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effect="query",
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handler=lambda ctx, args: ctx.business.backtests.capabilities(),
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),
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Capability(
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name="prepare_backtest",
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schema=PreviewInput,
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description="准备服务端固定回测预览，可用 inline 候选或草稿引用；只保存预览，不提交平台，不需要执行确认。",
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label="准备回测预览",
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renderer="backtest",
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effect="prepare",
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handler=lambda ctx, args: ctx.business.backtests.preview(args),
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refresh=("backtests",),
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),
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Capability(
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name="get_backtest_preview",
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schema=BacktestPreviewArgs,
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description="分页读取完整固定预览，确认前核对表达式和最终参数。",
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label="查看回测预览",
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renderer="backtest",
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effect="query",
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handler=lambda ctx, args: ctx.business.backtests.get_preview(**args.model_dump()),
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),
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Capability(
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name="start_backtest",
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schema=StartInput,
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description="对已保存预览请求一次用户确认，确认后后台运行全部固定候选，立即返回运行 ID；禁止循环等待。",
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label="启动固定回测",
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renderer="backtest",
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effect="confirm",
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preview=preview_start,
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execute=start,
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after_commit=wake_backtests,
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refresh=("backtests",),
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),
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Capability(
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name="list_backtests",
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schema=BacktestListArgs,
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description="分页查询回测运行与统计，可按来源筛选。",
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label="查询回测运行",
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renderer="backtest",
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effect="query",
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handler=lambda ctx, args: ctx.business.backtests.runs(**args.model_dump()),
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),
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Capability(
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name="get_backtest",
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schema=BacktestRunArgs,
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description="查询指定运行的真实进度，不循环等待完成。",
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label="查看回测进度",
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renderer="backtest",
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effect="query",
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handler=lambda ctx, args: ctx.business.backtests.run(args.run_id),
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),
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Capability(
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name="get_backtest_results",
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schema=BacktestResultsArgs,
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description="分页读取逐项状态、历史指标和错误；未知结果不能推测为成功。",
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label="读取回测结果",
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renderer="backtest",
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effect="query",
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handler=results,
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),
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Capability(
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name="control_backtest",
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schema=BacktestControlArgs,
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description="预览并确认暂停/继续/停止剩余项/找回原任务；不远端取消，不重新提交。",
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label="控制回测运行",
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renderer="backtest",
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effect="confirm",
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preview=preview_control,
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execute=control,
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after_commit=wake_backtests,
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refresh=("backtests",),
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),
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Capability(
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name="prepare_backtest_rerun",
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schema=BacktestRerunArgs,
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description="从明确指定的已结束回测项准备新预览，保留来源；不会自动启动。",
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label="准备重跑预览",
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renderer="backtest",
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effect="prepare",
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handler=lambda ctx, args: ctx.business.backtests.rerun(
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args.run_id, RerunInput(item_ids=args.item_ids)
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),
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refresh=("backtests",),
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),
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)
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