feat(v2): T09 预审与推进沙盘——运行只读视图、演示情景与界面守卫
覆盖 AC-11/12/29/30/31/42/44(BR-11/29/30/41/43、E-20/21/22)。 后端: - contracts/simulation.py:Simulation/SimulationAssumption/ScenarioDimensionState。 契约层直接禁止 production 域携带演示估计(E-21);ready 必须有结果、 failed 必须带错误码且不得显示结果、计算中不得预告乐观增幅。 - services/prescreen_sandbox.py:演示情景表(DEMO-TABLE-v1)与推演入口。 组合查表不是单项加和(assert_not_additive 把这条写成可执行断言); 只改被假设的维度,其余维度原样保留;失败保留基线并标未完成。 - services/prescreen_store.py:运行视图只读存储,复用 assistant_objects 新 kind prescreen_run,不新建表;只提供保存与读取,要改结果必须产生新修订。 - api/prescreen.py:新增 3 个只读端点(运行列表、运行视图、可用假设动作) 与 1 个情景端点;请求体里没有任何概率字段。越域返回 E-21、冲突假设 E-22、 过期修订 409。 - contracts/prescreen.py:补 E-20/21/22 三个错误码与其 HTTP 映射。 前端(挂进既有工作台「材料与问题」页,不新建路由、不新增样式表): - src/lib/prescreen-run.ts:客户端契约、呈现判定(同刻度 3–8 维才画雷达)、 演示值域判定、来源与数据域徽标(文字+图标+样式,去色仍可区分)。 - src/components/xingbang/PrescreenPanel.tsx:主审意见、演示值(紧邻固定说明)、 维度雷达与等价文字列表、维度依据抽屉、假设勾选即时推演。 旧请求晚到或结果与当前选择不一致即丢弃;请求失败保留基线并标未完成。 - scripts/test_prescreen_ui.cjs:界面源码守卫,已注册进 scripts/verify.py。 未做:运行装配结果的写入方仍是执行链路(T10 范围),当前由测试写入; 沙盘尚未接入真实执行,界面数值全部为服务端演示表值。 验证:backend 全量 unittest 469 项 OK;前端 npm run build 通过。 Co-Authored-By: Claude Code <noreply@anthropic.com>
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@@ -105,6 +105,10 @@ class ErrorCode(StrEnum):
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FACT_CONFLICT_UNRESOLVED = "FACT_CONFLICT_UNRESOLVED"
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JUDGMENT_CONFIG_INVALID = "JUDGMENT_CONFIG_INVALID"
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EGRESS_NOT_APPROVED = "EGRESS_NOT_APPROVED"
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# T09 沙盘与维度:E-20/21/22 都是"可立即纠正的请求问题",走 422。
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DIMENSION_SCHEMA_CONFLICT = "DIMENSION_SCHEMA_CONFLICT"
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DEMO_ESTIMATE_FORBIDDEN = "DEMO_ESTIMATE_FORBIDDEN"
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SCENARIO_ASSUMPTION_CONFLICT = "SCENARIO_ASSUMPTION_CONFLICT"
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# 运行级编码:记录在运行体(degradations / judgment)里,**不构成 HTTP 错误**,
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# 因此刻意不进 S1_ERROR_HTTP;见下方 RUN_LEVEL_CODES。
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JUDGMENT_UNAVAILABLE = "JUDGMENT_UNAVAILABLE"
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@@ -133,6 +137,9 @@ S1_ERROR_HTTP: dict[ErrorCode, int] = {
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ErrorCode.FACT_CONFLICT_UNRESOLVED: 422,
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ErrorCode.JUDGMENT_CONFIG_INVALID: 422,
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ErrorCode.EGRESS_NOT_APPROVED: 403,
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ErrorCode.DIMENSION_SCHEMA_CONFLICT: 422,
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ErrorCode.DEMO_ESTIMATE_FORBIDDEN: 422,
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ErrorCode.SCENARIO_ASSUMPTION_CONFLICT: 422,
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}
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# 这些编码只出现在运行结果里("HTTP 200 仅表示结果可读取"),永远不会作为
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@@ -0,0 +1,110 @@
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"""T09 推进沙盘契约:假设动作与情景结果。
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Owner:本文件(docs/v2/03-detailed-design.md §9.3 Simulation、
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docs/v2/04-ui-spec.md §9、13-probability-prototype.md)。
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三条不可让渡的规则:
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1. **模拟不改真实运行**:情景是独立对象,基线以 `baseline_probability_view`
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副本随行携带;任何情况下都不写回 `ScreeningRun.probability`(BR-11 / AC-11)。
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2. **演示值只属于 demo 域**:`probability_view.demo_estimate` 在 production
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域直接构造失败(E-21 / AC-30);真实估计在 P0 恒为空。
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3. **组合不是加和**:结果由完整动作组合选出(`selection_hash`),
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不按单个动作的增量累加(BR-30 / AC-31)。
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"""
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from __future__ import annotations
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import re
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from typing import Annotated, Literal
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from pydantic import Field, model_validator
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from contracts.prescreen import (
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DESC_MAX,
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ID_MAX,
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AwareDatetime,
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Contract,
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DataDomain,
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ErrorCode,
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ProbabilityView,
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)
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SHA256 = re.compile(r"^[0-9a-f]{64}$")
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Identifier = Annotated[str, Field(min_length=1, max_length=ID_MAX)]
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MAX_ASSUMPTIONS = 8
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class SimulationAssumption(Contract):
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"""一条假设动作。必须写明它改变哪个维度、改到什么阶段、前提是什么。
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`target_dimension_id` 只能指向本次冻结方案里真实存在的维度:假设不能凭空
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创造维度,也不能顺手改动别的轴(13 §P-17)。
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"""
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key: Identifier
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label: str = Field(min_length=1, max_length=DESC_MAX)
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target_dimension_id: Identifier
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assumed_stage: int = Field(ge=0, le=4)
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premise: str = Field(min_length=1, max_length=DESC_MAX)
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class ScenarioDimensionState(Contract):
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"""情景下的维度阶段。基线值与情景值同时给出,界面据此画虚线与实线。"""
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id: Identifier
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baseline_stage: int | None = Field(default=None, ge=0, le=4)
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scenario_stage: int | None = Field(default=None, ge=0, le=4)
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assumed: bool = False
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class Simulation(Contract):
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"""一次情景推演的结果视图。**不是**对真实运行的修改。"""
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id: Identifier
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run_id: Identifier
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project_id: Identifier
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data_domain: DataDomain
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revision: int = Field(ge=1)
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# 完整动作组合的摘要:结果必须对应当前选择,而不是"最新到达的响应"
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selection_hash: str = Field(pattern=SHA256.pattern)
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status: Literal["queued", "computing", "ready", "failed"]
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assumptions: list[SimulationAssumption] = Field(default_factory=list,
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max_length=MAX_ASSUMPTIONS)
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# 基线副本:模拟结束后界面据此恢复,真实运行未被触碰
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baseline_probability_view: ProbabilityView
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probability_view: ProbabilityView | None = None
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dimensions: list[ScenarioDimensionState] = Field(default_factory=list, max_length=32)
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remaining_inputs: list[str] = Field(default_factory=list, max_length=200)
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reason: str = Field(default="", max_length=DESC_MAX)
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error_code: ErrorCode | None = None
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frozen_versions: dict = Field(default_factory=dict)
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created_at: AwareDatetime
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@model_validator(mode="after")
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def _check_simulation(self) -> Simulation:
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if self.status == "ready" and self.probability_view is None:
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raise ValueError("就绪的情景必须给出概率视图")
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if self.status == "failed":
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if self.error_code is None:
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raise ValueError("失败的情景必须带错误码,不能只留空结果")
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if self.probability_view is not None:
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raise ValueError("失败的情景不得显示任何结果")
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if self.status in ("queued", "computing") and self.probability_view is not None:
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raise ValueError("情景尚未算完时不得先给一个乐观增幅")
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# 演示值只在 demo 域:越域直接构造失败,而不是靠调用方记得不传(AC-30)
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for view in (self.probability_view, self.baseline_probability_view):
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demo = (view.demo_estimate if view else None) or None
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if demo is not None and self.data_domain != DataDomain.demo:
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raise ValueError("演示估计只允许出现在演示数据域(E-21)")
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keys = [item.key for item in self.assumptions]
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if len(set(keys)) != len(keys):
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raise ValueError("同一假设动作不得重复计入组合")
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targets = [item.target_dimension_id for item in self.assumptions]
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if len(set(targets)) != len(targets):
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raise ValueError("一次情景只允许每个维度有一个假设动作,冲突假设应被拒绝")
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return self
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def unchanged_dimensions(self) -> list[str]:
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"""未被假设触碰的维度 id:界面必须显示它们没有变化,而不是消失。"""
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return [item.id for item in self.dimensions if not item.assumed]
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