571 lines
23 KiB
Python
571 lines
23 KiB
Python
#!/usr/bin/env python3
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"""根据固定卡索引计划回读冻结历史原文。
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抽取卡只提供定位与历史状态索引。任何由卡承载的历史事实都必须展开
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sourceRefs 并成功读取 asOf 以内的原文；正式设定、Canonical 状态和细纲
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新事实通过独立不可变引用进入事实证据。
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"""
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from __future__ import annotations
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import copy
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import hashlib
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import pathlib
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import sys
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from typing import Any, Callable, Mapping, Protocol, Sequence
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from writer_contract import PLAN_VERSION, TIE_BREAK, canonical_json, normalize_text, retrieval_identity
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class RetrievalError(ValueError):
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"""检索计划、授权、冻结或来源引用不能证明安全时抛出。"""
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class CardIndexRepository(Protocol):
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"""卡索引仓储只接收固定计划，不允许写手自行追加查询。"""
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def search(self, plan: Mapping[str, Any]) -> list[dict[str, Any]]:
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"""返回带稳定排序字段、历史里程碑和来源指针的卡索引。"""
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class ProseRepository(Protocol):
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"""原文仓储只能读取冻结线内的不可变来源引用。"""
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def read_source_refs(
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self,
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*,
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work_id: int,
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as_of: int,
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source_refs: Sequence[Mapping[str, Any]],
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) -> list[dict[str, Any]]:
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"""展开已校验的来源指针。"""
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def _load_search_cards() -> Callable[..., list[dict[str, Any]]]:
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"""延迟导入 search skill，保持纯数据测试不触发嵌入依赖。"""
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search_scripts = pathlib.Path(__file__).resolve().parents[2] / "search" / "scripts"
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sys.path.insert(0, str(search_scripts))
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from search import search_cards
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return search_cards
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def _chapter(value: Any, path: str) -> int:
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"""严格解析正整数章号，拒绝 bool 和猜测性字符串。"""
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if isinstance(value, bool):
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raise RetrievalError(f"{path} 必须是正整数章号")
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if isinstance(value, str) and value.isdigit():
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value = int(value)
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if not isinstance(value, int) or value <= 0:
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raise RetrievalError(f"{path} 必须是正整数章号")
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return value
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def _milestone_chapter(value: Mapping[str, Any]) -> int:
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"""兼容实验库中英文里程碑章号字段，但不解析模糊文本。"""
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for key in ("chapter", "章", "chapterNo", "order_no"):
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if key in value:
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return _chapter(value[key], f"milestone.{key}")
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raise RetrievalError("卡里程碑缺少可证明的绝对章号")
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def stable_sort_cards(cards: Sequence[Mapping[str, Any]]) -> list[dict[str, Any]]:
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"""按合同固定卡片顺序，同分召回不会因数据库执行计划漂移。"""
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copied = [copy.deepcopy(dict(card)) for card in cards]
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try:
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return sorted(
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copied,
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key=lambda item: (
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-float(item["score"]),
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str(item["sourceVersion"]),
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str(item["sourceId"]),
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int(item.get("sourceOffset") or 0),
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),
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)
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except (KeyError, TypeError, ValueError) as error:
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raise RetrievalError("卡缺少稳定排序字段") from error
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def _outline_elements(fine_outline: Mapping[str, Any]) -> list[dict[str, str]]:
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"""按合同顺序提取需要检索的人物、关系、物品、地点和力量体系。"""
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groups = (
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("entities", None),
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("relations", "character_relation"),
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("items", "item"),
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("locations", "location"),
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("powerSystems", "power_system"),
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("stateNeeds", "unknown"),
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)
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result: list[dict[str, str]] = []
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seen: set[tuple[str, str]] = set()
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for field, fallback_type in groups:
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values = fine_outline.get(field, [])
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if not isinstance(values, list):
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raise RetrievalError(f"fineOutline.{field} 必须是数组")
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for index, raw in enumerate(values):
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if isinstance(raw, str):
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item = {"id": f"{field}:{index}", "type": fallback_type or "unknown", "name": raw}
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elif isinstance(raw, Mapping):
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item = {
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"id": str(raw.get("id") or f"{field}:{index}"),
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"type": str(raw.get("type") or fallback_type or "unknown"),
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"name": str(raw.get("name") or ""),
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}
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else:
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raise RetrievalError(f"fineOutline.{field}[{index}] 类型非法")
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if not item["name"]:
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raise RetrievalError(f"fineOutline.{field}[{index}] 缺少 name")
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identity = (item["type"], item["name"])
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if identity not in seen:
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seen.add(identity)
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result.append(item)
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return result
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def build_retrieval_plan(
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*,
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run_id: str,
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work_id: int,
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target_chapter: int,
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as_of: int,
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fine_outline: Mapping[str, Any],
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card_index_version: str,
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prose_index_version: str,
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token_budget: Mapping[str, int],
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top_k: int = 5,
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) -> dict[str, Any]:
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"""从已确认细纲确定查询集合，并在执行前冻结计划身份。"""
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target = _chapter(target_chapter, "targetChapter")
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freeze = _chapter(as_of, "asOf")
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if freeze >= target:
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raise RetrievalError("asOf 必须早于 targetChapter")
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if not isinstance(work_id, int) or isinstance(work_id, bool) or work_id <= 0:
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raise RetrievalError("workId 必须是正整数")
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if not isinstance(top_k, int) or isinstance(top_k, bool) or top_k <= 0:
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raise RetrievalError("topK 必须是正整数")
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hard_constraints = fine_outline.get("hardConstraints", [])
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if not isinstance(hard_constraints, list) or any(not isinstance(item, str) for item in hard_constraints):
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raise RetrievalError("fineOutline.hardConstraints 必须是字符串数组")
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suffix = " ".join(hard_constraints)
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queries = [
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{
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"queryId": f"query-{index:03d}-{item['id']}",
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"text": normalize_text(f"{item['name']} {suffix}".strip()),
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"entityTypes": [item["type"]],
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"purpose": "fact_and_prose_evidence",
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"topK": top_k,
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}
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for index, item in enumerate(_outline_elements(fine_outline), 1)
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]
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plan = {
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"planVersion": PLAN_VERSION,
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"runId": run_id,
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"asOf": freeze,
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"queries": queries,
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"cardIndexVersion": str(card_index_version),
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"proseIndexVersion": str(prose_index_version),
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"filters": {
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"workId": work_id,
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"asOfChapter": freeze,
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"sourceStatus": "active",
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"authorizationRequired": True,
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},
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"tieBreak": TIE_BREAK,
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"tokenBudget": copy.deepcopy(dict(token_budget)),
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}
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plan["planId"] = retrieval_identity(plan)
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return plan
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def _validate_source_ref(ref: Mapping[str, Any], *, as_of: int, path: str) -> dict[str, Any]:
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"""校验块级原文引用完整且不越过冻结线。"""
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required = {"sourceId", "sourceVersion", "chapter", "blockId", "startCodePoint", "endCodePoint"}
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if not isinstance(ref, Mapping) or not required.issubset(ref):
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raise RetrievalError(f"{path} 缺少块级来源定位")
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chapter = _chapter(ref["chapter"], f"{path}.chapter")
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if chapter > as_of:
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raise RetrievalError(f"{path} 包含目标章或未来章")
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start = ref["startCodePoint"]
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end = ref["endCodePoint"]
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if any(isinstance(value, bool) or not isinstance(value, int) for value in (ref["blockId"], start, end)):
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raise RetrievalError(f"{path} 的块或字符区间非法")
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if ref["blockId"] <= 0 or start < 0 or end <= start:
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raise RetrievalError(f"{path} 的块或字符区间非法")
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if not str(ref["sourceId"]).strip() or not str(ref["sourceVersion"]).strip():
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raise RetrievalError(f"{path} 缺少来源 ID 或版本")
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return copy.deepcopy(dict(ref))
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def freeze_card(card: Mapping[str, Any], *, as_of: int) -> dict[str, Any]:
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"""仅用冻结线内里程碑重建卡状态，不透传终态摘要和未来字段。"""
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freeze = _chapter(as_of, "asOf")
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milestones = card.get("milestones")
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if not isinstance(milestones, list):
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raise RetrievalError(f"卡 {card.get('cardId')} 缺少历史里程碑")
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kept: list[dict[str, Any]] = []
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for index, milestone in enumerate(milestones):
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if not isinstance(milestone, Mapping):
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raise RetrievalError(f"卡里程碑[{index}] 必须是对象")
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chapter = _milestone_chapter(milestone)
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if chapter <= freeze:
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normalized = copy.deepcopy(dict(milestone))
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normalized["chapter"] = chapter
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for alias in ("章", "chapterNo", "order_no"):
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normalized.pop(alias, None)
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kept.append(normalized)
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kept.sort(key=lambda item: (item["chapter"], str(item.get("id") or "")))
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if not kept:
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raise RetrievalError(f"卡 {card.get('cardId')} 在冻结线内没有可证明状态")
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refs = [
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_validate_source_ref(ref, as_of=freeze, path=f"card.sourceRefs[{index}]")
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for index, ref in enumerate(card.get("sourceRefs") or [])
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]
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return {
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"cardId": str(card.get("cardId") or ""),
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"type": str(card.get("type") or ""),
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"name": str(card.get("name") or ""),
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"score": float(card.get("score") or 0),
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"sourceId": str(card.get("sourceId") or ""),
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"sourceVersion": str(card.get("sourceVersion") or ""),
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"sourceOffset": int(card.get("sourceOffset") or 0),
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"sourceRefs": refs,
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"stateAsOf": kept,
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"sourceKind": str(card.get("sourceKind") or ""),
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"productionRetrievalEligible": bool(card.get("productionRetrievalEligible")),
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}
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class ProductionCardIndexRepository:
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"""生产卡仓储固定调用 search.py 的 work 授权面。"""
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def __init__(self, *, search_function: Callable[..., list[dict[str, Any]]] | None = None):
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self._search = search_function or _load_search_cards()
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def search(self, plan: Mapping[str, Any]) -> list[dict[str, Any]]:
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"""按计划逐查询召回，并再次失败关闭验证生产资格。"""
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cards: list[dict[str, Any]] = []
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for query in plan.get("queries", []):
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entity_types = query.get("entityTypes") or []
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card_type = entity_types[0] if len(entity_types) == 1 and entity_types[0] != "unknown" else None
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cards.extend(
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self._search(
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intent=query["text"],
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scope="work",
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work_id=plan["filters"]["workId"],
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ttype=card_type,
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purpose="generation",
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top=query["topK"],
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)
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)
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unique: dict[str, dict[str, Any]] = {}
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for card in stable_sort_cards(cards):
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if (
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card.get("sourceKind") != "canonical_entity"
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or card.get("sourceStatus") not in {"active", "authorized"}
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or card.get("bindingStatus") != "active"
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or card.get("productionRetrievalEligible") is not True
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):
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raise RetrievalError("生产检索命中非 active Canonical entity 或无效 binding")
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unique.setdefault(str(card.get("cardId")), copy.deepcopy(card))
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return stable_sort_cards(list(unique.values()))
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class ReplayCardIndexRepository:
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"""回放卡仓储只接受预注册 upgrade_book 评测投影。"""
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def __init__(
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self,
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cards: Sequence[Mapping[str, Any]],
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*,
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preregistered_card_ids: Sequence[str],
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_validated_replay: bool = False,
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):
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if not _validated_replay:
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raise RetrievalError("回放仓储必须通过 from_replay_config 完成授权与泄露门禁")
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expected = {str(item) for item in preregistered_card_ids}
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actual = {str(item.get("cardId")) for item in cards}
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if not expected or expected != actual:
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raise RetrievalError("回放卡与预注册 ID 不一致")
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self._cards = []
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for card in cards:
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if (
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card.get("sourceType") != "upgrade_book"
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or card.get("evaluationStatus") != "eval_draft"
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or card.get("productionRetrievalEligible") is not False
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):
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raise RetrievalError("回放只允许不可生产检索的 upgrade_book 评测卡")
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self._cards.append(copy.deepcopy(dict(card)))
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@classmethod
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def from_replay_config(
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cls,
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config: Mapping[str, Any],
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*,
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cards: Sequence[Mapping[str, Any]],
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preregistered_card_ids: Sequence[str],
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) -> "ReplayCardIndexRepository":
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"""复用 replay-eval 的授权、冻结来源和内容泄露审计后构造仓储。"""
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scripts = pathlib.Path(__file__).resolve().parents[2] / "replay-eval" / "scripts"
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sys.path.insert(0, str(scripts))
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from audit_leakage import audit_snapshot
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from check_snapshot import check_authorization, check_target_sources
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if not isinstance(config, Mapping):
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raise RetrievalError("回放配置必须是对象")
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target = _chapter(config.get("targetChapter"), "config.targetChapter")
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snapshot = config.get("snapshot")
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if not isinstance(snapshot, Mapping):
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raise RetrievalError("回放配置缺少冻结快照")
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as_of = _chapter(snapshot.get("asOfChapter"), "config.snapshot.asOfChapter")
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if target != as_of + 1:
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raise RetrievalError("回放 targetChapter 必须等于 asOfChapter+1")
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authorization_result = check_authorization(config.get("authorization"))
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if not authorization_result.get("ok"):
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raise RetrievalError("回放授权快照未通过既有门禁")
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source_result = check_target_sources(target, config.get("sources", []))
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if not source_result.get("ok"):
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raise RetrievalError("回放来源包含目标章、未来章或不可证明区间")
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leakage = config.get("leakageAudit")
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target_facts = leakage.get("targetFacts") if isinstance(leakage, Mapping) else None
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audit_result = audit_snapshot(snapshot, target_facts, as_of=as_of, target=target)
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if not audit_result.get("ok"):
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raise RetrievalError("回放冻结快照未通过既有内容泄露审计")
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return cls(
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cards,
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preregistered_card_ids=preregistered_card_ids,
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_validated_replay=True,
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)
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def search(self, plan: Mapping[str, Any]) -> list[dict[str, Any]]:
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"""返回预注册集合；计划不能把评测卡转换为生产卡。"""
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del plan
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return stable_sort_cards(self._cards)
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class FrozenProseRepository:
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"""复用 load_reference_work 的唯一冻结原文 SQL 入口。"""
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def __init__(self, *, dsn: str, tenant_id: int):
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self.dsn = dsn
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self.tenant_id = tenant_id
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def read_source_refs(self, *, work_id: int, as_of: int, source_refs: Sequence[Mapping[str, Any]]) -> list[dict[str, Any]]:
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"""延迟导入 replay-eval，避免复制 SQL 或建立第二套权限语义。"""
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scripts = pathlib.Path(__file__).resolve().parents[2] / "replay-eval" / "scripts"
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sys.path.insert(0, str(scripts))
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from load_reference_work import load_frozen_prose_rows
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return load_frozen_prose_rows(
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dsn=self.dsn,
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tenant_id=self.tenant_id,
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work_id=work_id,
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as_of=as_of,
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source_refs=source_refs,
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)
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def _content_hash(text: str) -> str:
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"""对规范化文本计算带算法前缀的内容哈希。"""
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normalized = normalize_text(text)
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return "sha256:" + hashlib.sha256(normalized.encode("utf-8")).hexdigest()
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def _index_hint(card: Mapping[str, Any], *, as_of: int) -> dict[str, Any]:
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"""把冻结卡投影成稳定索引提示，是否存在原文指针不影响卡进入索引。"""
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state_as_of = card.get("stateAsOf")
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if not isinstance(state_as_of, list) or not state_as_of:
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raise RetrievalError(f"卡 {card.get('cardId')} 缺少冻结状态")
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latest = state_as_of[-1]
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if not isinstance(latest, Mapping):
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raise RetrievalError(f"卡 {card.get('cardId')} 最新冻结状态非法")
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if card.get("sourceKind") == "eval_draft":
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# 诊断卡只能公开索引元数据；里程碑台阶属于被测信息，不能再透传给 B/C 臂。
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content = canonical_json(
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{
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"name": str(card.get("name") or ""),
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"type": str(card.get("type") or ""),
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"sourceChapters": sorted(
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{_chapter(ref.get("chapter"), "card.sourceRefs.chapter") for ref in card.get("sourceRefs", [])}
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),
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}
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)
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else:
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# 生产 Canonical 卡保持原有冻结状态提示行为。
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content = normalize_text(
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str(latest.get("fact") or latest.get("台阶") or canonical_json(latest))
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)
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hint = {
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"cardId": str(card.get("cardId") or ""),
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"name": str(card.get("name") or ""),
|
||
"type": str(card.get("type") or ""),
|
||
"content": content,
|
||
"sourceId": str(card.get("sourceId") or ""),
|
||
"sourceVersion": str(card.get("sourceVersion") or ""),
|
||
"asOf": as_of,
|
||
}
|
||
if any(not str(hint[field]).strip() for field in ("cardId", "name", "type", "content", "sourceId", "sourceVersion")):
|
||
raise RetrievalError("冻结卡缺少生成索引提示所需字段")
|
||
return hint
|
||
|
||
|
||
def _authoritative_evidence(facts: Sequence[Mapping[str, Any]]) -> list[dict[str, Any]]:
|
||
"""把正式设定、Canonical 状态和细纲新事实转换为独立事实证据。"""
|
||
|
||
allowed = {"formal_setting", "canonical_state", "fine_outline_declared_new"}
|
||
result: list[dict[str, Any]] = []
|
||
for index, raw in enumerate(facts):
|
||
source_type = raw.get("sourceType")
|
||
source_ref = raw.get("sourceRef")
|
||
fact = normalize_text(str(raw.get("fact") or ""))
|
||
if source_type not in allowed or not fact or not isinstance(source_ref, Mapping):
|
||
raise RetrievalError(f"authoritativeFacts[{index}] 合同非法")
|
||
if not source_ref.get("sourceId") or not source_ref.get("sourceVersion"):
|
||
raise RetrievalError(f"authoritativeFacts[{index}] 缺少不可变来源引用")
|
||
result.append(
|
||
{
|
||
"evidenceId": str(raw.get("factId") or f"authoritative:{index}"),
|
||
"fact": fact,
|
||
"sourceType": source_type,
|
||
"sourceRef": copy.deepcopy(dict(source_ref)),
|
||
"contentSha256": _content_hash(fact),
|
||
"riskLevel": str(raw.get("riskLevel") or "medium"),
|
||
}
|
||
)
|
||
return result
|
||
|
||
|
||
def retrieve_writer_sources(
|
||
*,
|
||
plan: Mapping[str, Any],
|
||
card_repository: CardIndexRepository,
|
||
prose_repository: ProseRepository,
|
||
authoritative_facts: Sequence[Mapping[str, Any]] = (),
|
||
) -> dict[str, Any]:
|
||
"""执行固定计划，展开卡来源并形成事实/原文两条证据线。"""
|
||
|
||
as_of = _chapter(plan.get("asOf"), "plan.asOf")
|
||
work_id = plan.get("filters", {}).get("workId")
|
||
if not isinstance(work_id, int) or isinstance(work_id, bool) or work_id <= 0:
|
||
raise RetrievalError("plan.filters.workId 非法")
|
||
cards = [freeze_card(card, as_of=as_of) for card in stable_sort_cards(card_repository.search(plan))]
|
||
index_hints = [_index_hint(card_item, as_of=as_of) for card_item in cards]
|
||
source_refs: list[dict[str, Any]] = []
|
||
unverified: list[dict[str, Any]] = []
|
||
for card_item in cards:
|
||
if card_item["sourceRefs"]:
|
||
source_refs.extend(card_item["sourceRefs"])
|
||
else:
|
||
unverified.append(
|
||
{
|
||
"cardId": card_item["cardId"],
|
||
"reason": "missing_source_refs",
|
||
"classification": "unverifiedIndexHint",
|
||
}
|
||
)
|
||
deduplicated = {
|
||
(str(ref["sourceVersion"]), str(ref["sourceId"]), int(ref["startCodePoint"])): ref
|
||
for ref in source_refs
|
||
}
|
||
ordered_refs = [deduplicated[key] for key in sorted(deduplicated)]
|
||
prose_rows = prose_repository.read_source_refs(work_id=work_id, as_of=as_of, source_refs=ordered_refs) if ordered_refs else []
|
||
def ref_key(ref: Mapping[str, Any]) -> tuple[str, str, int]:
|
||
"""同一块可有多个字符区间，映射键必须包含偏移。"""
|
||
|
||
return (str(ref.get("sourceVersion")), str(ref.get("sourceId")), int(ref.get("startCodePoint") or 0))
|
||
|
||
rows_by_source = {ref_key(row.get("sourceRef", {})): row for row in prose_rows}
|
||
missing = [ref["sourceId"] for ref in ordered_refs if ref_key(ref) not in rows_by_source]
|
||
if missing:
|
||
raise RetrievalError(f"卡来源未能回读原文: {','.join(map(str, missing))}")
|
||
|
||
prose_evidence: list[dict[str, Any]] = []
|
||
for index, ref in enumerate(ordered_refs):
|
||
row = rows_by_source[ref_key(ref)]
|
||
text = normalize_text(str(row.get("text") or ""))
|
||
if not text:
|
||
raise RetrievalError(f"来源 {ref['sourceId']} 原文为空")
|
||
prose_evidence.append(
|
||
{
|
||
"evidenceId": f"prose:card:{index:04d}",
|
||
"chapter": _chapter(row.get("chapter"), "prose.chapter"),
|
||
"sourceRef": copy.deepcopy(ref),
|
||
"contentSha256": _content_hash(text),
|
||
"purpose": (
|
||
"card_chapter_proxy"
|
||
if ref.get("sourceType") == "card_chapter_proxy"
|
||
else str(row.get("purpose") or "card_source")
|
||
),
|
||
"text": text,
|
||
"isRecentBaseline": False,
|
||
}
|
||
)
|
||
|
||
fact_evidence = _authoritative_evidence(authoritative_facts)
|
||
for card_item in cards:
|
||
if not card_item["sourceRefs"]:
|
||
continue
|
||
latest = card_item["stateAsOf"][-1]
|
||
fact_text = normalize_text(str(latest.get("fact") or latest.get("台阶") or canonical_json(latest)))
|
||
fact_evidence.append(
|
||
{
|
||
"evidenceId": f"fact:card:{card_item['cardId']}",
|
||
"fact": fact_text,
|
||
"sourceType": "historical_prose",
|
||
"sourceRef": copy.deepcopy(card_item["sourceRefs"][0]),
|
||
"contentSha256": _content_hash(fact_text),
|
||
"riskLevel": "medium",
|
||
}
|
||
)
|
||
fact_evidence.sort(key=lambda item: item["evidenceId"])
|
||
sources = sorted(
|
||
[copy.deepcopy(ref) for ref in ordered_refs]
|
||
+ [copy.deepcopy(item["sourceRef"]) for item in fact_evidence if item["sourceType"] != "historical_prose"],
|
||
key=lambda item: (str(item["sourceVersion"]), str(item["sourceId"]), int(item.get("startCodePoint") or 0)),
|
||
)
|
||
manifest_payload = {
|
||
"manifestVersion": "writer-retrieval-manifest-v1",
|
||
"planId": plan["planId"],
|
||
"sources": sources,
|
||
"omittedSources": [
|
||
{
|
||
"sourceId": next(
|
||
card_item["sourceId"]
|
||
for card_item in cards
|
||
if card_item["cardId"] == item["cardId"]
|
||
),
|
||
"reason": item["reason"],
|
||
}
|
||
for item in unverified
|
||
],
|
||
}
|
||
manifest = {**manifest_payload, "manifestId": retrieval_identity(manifest_payload)}
|
||
return {
|
||
"cards": cards,
|
||
"factEvidence": fact_evidence,
|
||
"proseEvidence": prose_evidence,
|
||
"indexHints": index_hints,
|
||
"unverifiedIndexHints": unverified,
|
||
"manifest": manifest,
|
||
}
|
||
|
||
|
||
__all__ = [
|
||
"RetrievalError", "CardIndexRepository", "ProseRepository", "ProductionCardIndexRepository",
|
||
"ReplayCardIndexRepository", "FrozenProseRepository", "stable_sort_cards", "freeze_card",
|
||
"build_retrieval_plan", "retrieve_writer_sources",
|
||
]
|