diff --git a/backend/app/api/evidence.py b/backend/app/api/evidence.py
index 1ae739d8..a67d4e20 100644
--- a/backend/app/api/evidence.py
+++ b/backend/app/api/evidence.py
@@ -23,6 +23,8 @@ options.mask_columns 里的列换成「已遮罩」——在有身份体系之
 
 期 4 的核查状态同样只读封存范围内的东西：指标步骤带双盲复算的结果（_dual_check_of，读双盲复算节点的产出和台账
 条目），句子带反方审稿的判断（_challenge_of，读反方审稿节点的产出和审稿记录）。它们是核查，不是证据：没有就不带这两个键。
+证据图的每份报告另带一张被反方审过的句子 → 判断的表（_challenge_verdicts，和 _challenge_of 同一个读法），正文据此挂
+句末标记，不用逐句请求片段接口。
 
 结论句的判定（四期）是模型给的，不是证据：正式运行的判定在报告文档里、随文档封存；探索运行
 按需裁判（POST …/evidence/judge），判定作为 evidence.judged 事件追加在封存之后，只填补没判过的
@@ -38,7 +40,7 @@ import logging
 import re
 import sqlite3
 from collections import OrderedDict
-from collections.abc import Callable
+from collections.abc import Callable, Iterator
 from dataclasses import asdict, dataclass, field, replace
 from pathlib import Path
 from typing import Any, get_args
@@ -362,11 +364,14 @@ async def evidence_graph(run_id: str) -> dict[str, Any]:
 
     inputs = _input_payloads(sealed)
     for report in reports:
+        # 期 4：被反方审过的句子 → 判断，正文据此给它们挂句末标记。文档读不出来的不给；一句都没审的没有这个键
+        marks = _challenge_verdicts(sealed, report) if report.doc is not None else {}
         body["reports"].append({
             "node_id": report.node_id, "doc_artifact": report.doc_artifact,
             "doc_sealed": sealed.trusted, "hash_ok": report.hash_ok, "ok": report.ok,
             "repairs": report.repairs, "fields": report.fields, "stats": report.stats,
             **_judgement_of(report, sealed),
+            **({"challenge_verdicts": marks} if marks else {}),
         })
         if report.doc is not None:
             evidence, edges = _graph_of(report, sealed, inputs)
@@ -1151,32 +1156,29 @@ def _dual_status(node_id: str, output: dict[str, Any], entry: dict[str, Any] | N
 _CHALLENGE_VERDICTS = ("stands", "weakened", "refuted", "inconclusive")
 
 
-def _challenge_of(sealed: _Sealed, report: _Report, unit_id: str) -> dict[str, Any] | None:
-    """这一句的反方审稿判断：{verdict, node_id, artifact, on_refuted, report_label, counts, unreviewed?}。没审到这一句的
-    是 None。
+def _reviews(sealed: _Sealed, report: _Report
+             ) -> Iterator[tuple[str, dict[str, Any], str | None, list[dict[str, Any]]]]:
+    """审的就是正文这一份报告文档的每一次反方审稿，按跑完的先后：(节点, 产出, 审稿记录工件, 逐句的判断)。逐句判断的
+    每一项至少是个 dict，unit、verdict 认不认得由调用方看。片段接口的 unit.challenge（_challenge_of）和证据图的
+    challenge_verdicts（_challenge_verdicts）都从这里读，两边说的一定是同一次审稿。
 
-    只认审的就是正文这一份报告文档的：审稿记录（challenge_artifact）里记着它审的报告节点和文档工件，和这份对上才算——
+    只认审的就是这一份文档的：审稿记录（challenge_artifact）里记着它审的报告节点和文档工件，和这份对上才算——
     报告在审稿之后又重写了（循环、接着跑），同一个句子编号在新的一稿里说的可能是另一句话。记录没存上（产出里的
     challenge_artifact 为空）或读不出来时，按画布上它审的报告、和它跑完之前那份报告最后一次自查记下的文档认，判断取
-    产出里列的那几句（最多 10 句，被推翻、被削弱的排在前面），artifact 照产出写（没存上的为空）。几个反方审稿审了同一
-    份文档时取最后跑完、审到了这一句的那个。on_refuted 是实际生效的处置，report_label 是报告节点的名字。
-
-    counts 是这次审稿四种判断各几句——整份报告的，取节点产出里的那一份；unreviewed 是没能反查的句数，产出里有才带。
-    证据面板借审批卡上的展示画这一句，那一块的概况得是这份报告真实的数，不能凭这一句拼出一个「被推翻 0 句」。
+    产出里列的那几句（最多 10 句，被推翻、被削弱的排在前面），审稿记录工件照产出写（没存上的为空）。
 
     节点设为「报错并停止运行」、又有句子被推翻时，节点报错、没有 node.finished：审完那一刻的 challenge_done 日志记着
-    审稿记录和计数，按它认（只认审稿记录存上了的），on_refuted 为 fail。运行因此失败了，被推翻的是哪几句、反方凭什么，
-    证据面板里照样看得到。
+    审稿记录和计数，按它认（只认审稿记录存上了的），产出拼成 {challenge_artifact, counts, on_refuted: fail}。运行因此
+    失败了，被推翻的是哪几句、反方凭什么，证据面板里照样看得到。
     """
     reviewers = set(sealed.nodes_of("challenge"))
-    if not reviewers or not unit_id:
-        return None
+    if not reviewers:
+        return
     spec: GraphSpec | None = None
     #: 报告节点 → 到这一刻为止它最后一次自查记下的文档
     drafts: dict[str, str] = {}
     #: 反方审稿节点 → 这一次执行里审完时的日志：节点报错时它就是审稿结果
     done: dict[str, dict[str, Any]] = {}
-    found: dict[str, Any] | None = None
     for _, etype, node_id, data in sealed.events:
         if not node_id or not isinstance(data, dict):
             continue
@@ -1218,9 +1220,30 @@ def _challenge_of(sealed: _Sealed, report: _Report, unit_id: str) -> dict[str, A
             if target != report.node_id or drafts.get(target) != report.doc_artifact:
                 continue
             claims = output.get("items")
-        claims = [c for c in claims or [] if isinstance(c, dict)]
-        verdict = next((c.get("verdict") for c in claims if c.get("unit") == unit_id), None)
-        if not isinstance(verdict, str) or not verdict:
+        yield node_id, output, artifact, [c for c in claims or [] if isinstance(c, dict)]
+
+
+def _verdict_in(claims: list[dict[str, Any]], unit_id: str) -> str | None:
+    """一次审稿里这一句的判断：取列着这一句的第一条，判断不是一个词（缺了、空的、不是字符串）时这次审稿不算审到它。"""
+    verdict = next((c.get("verdict") for c in claims if c.get("unit") == unit_id), None)
+    return verdict if isinstance(verdict, str) and verdict else None
+
+
+def _challenge_of(sealed: _Sealed, report: _Report, unit_id: str) -> dict[str, Any] | None:
+    """这一句的反方审稿判断：{verdict, node_id, artifact, on_refuted, report_label, counts, unreviewed?}。没审到这一句的
+    是 None。认哪一次审稿见 _reviews；几个反方审稿审了同一份文档时取最后跑完、审到了这一句的那个。artifact 是审稿记录
+    （没存上的为空），on_refuted 是实际生效的处置（节点报错停止运行的是 fail），report_label 是报告节点的名字。
+
+    counts 是这次审稿四种判断各几句——整份报告的，取节点产出里的那一份；unreviewed 是没能反查的句数，产出里有才带。
+    证据面板单句展示时不画报告级的计数，可「无法判断」是不是因为反查没完成，得拿这两个数对一下。
+    """
+    if not unit_id:
+        return None
+    found: dict[str, Any] | None = None
+    spec: GraphSpec | None = None
+    for node_id, output, artifact, claims in _reviews(sealed, report):
+        verdict = _verdict_in(claims, unit_id)
+        if verdict is None:
             continue
         spec = spec or _spec_of(sealed)
         writer = spec.node_map().get(report.node_id) if spec else None
@@ -1234,6 +1257,20 @@ def _challenge_of(sealed: _Sealed, report: _Report, unit_id: str) -> dict[str, A
     return found
 
 
+def _challenge_verdicts(sealed: _Sealed, report: _Report) -> dict[str, str]:
+    """这份报告里被反方审过的句子 → 判断（证据图 reports[] 的 challenge_verdicts）。正文据此给被审过的句子挂句末标记、
+    点开整句面板：有的被审句子既没有可点的片段、也没有裁判判定，不靠这张表就打不开；也不用为了认出它们逐句请求片段接口。
+
+    读法和 _challenge_of 一字不差（同一个 _reviews、同一个 _verdict_in）：每一句取最后跑完、审到了它的那次审稿，所以表里
+    每一句的判断就是点开它时片段接口答的 unit.challenge.verdict。只有被审过的句子；一句都没审的是空表。
+    """
+    out: dict[str, str] = {}
+    for _, _, _, claims in _reviews(sealed, report):
+        units = dict.fromkeys(c.get("unit") for c in claims if isinstance(c.get("unit"), str) and c.get("unit"))
+        out.update({uid: verdict for uid in units if (verdict := _verdict_in(claims, uid)) is not None})
+    return out
+
+
 def _challenge_counts(raw: Any, claims: list[dict[str, Any]]) -> dict[str, int]:
     """四种判断各几句：取节点产出（或审完时的日志）里的计数；一个数都认不出来时按认得的句子数（审稿记录里的是全部，
     记录没存上时只有产出里列的那几句）。"""
diff --git a/backend/tests/test_evidence_challenge_marks.py b/backend/tests/test_evidence_challenge_marks.py
new file mode 100644
index 00000000..79bf33ff
--- /dev/null
+++ b/backend/tests/test_evidence_challenge_marks.py
@@ -0,0 +1,343 @@
+"""证据图上的反方审稿标记（期 4 整合 J3）：GET /api/runs/{id}/evidence 的 reports[] 带 challenge_verdicts（{句子: 判断}）。
+
+正文（前端 EvidenceDoc）据此给被反方审过的句子挂句末标记、点开整句面板，不逐句请求片段接口。有的被审句子既没有可点的
+片段、也没有裁判判定（没开裁判的报告里一句纯文字的结论），不靠这张表，正文里就打不开它的整句面板。
+
+- 只含被反方审过的句子；读法和片段接口的 unit.challenge（_challenge_of）是同一个来源：审稿记录里记着审的哪份报告文档，
+  和这一份对上才算；记录没存上时按画布上审的报告、和它跑完之前那份报告最后一次自查的文档认，判断取产出里列的那几句；
+  节点「报错并停止运行」时按审完那一刻的日志认。几个反方审稿审了同一份文档时，每一句取最后跑完、审到了它的那个
+- 每一句的判断和点开它时片段接口答的 unit.challenge.verdict 一字不差
+- 没有反方审稿（或者它直通了、一句都没审）的报告没有这个键，老运行和以前一字不差
+
+反方审稿真跑一遍图（虚构的 SQLite 库，模型是 MockChatModel 剧本）；认「哪一次」的边界情形用手写的封存事件。
+"""
+from __future__ import annotations
+
+import asyncio
+import json
+import sqlite3
+import uuid
+
+import pytest
+from httpx import ASGITransport, AsyncClient
+from langchain_core.messages import AIMessage, ToolMessage
+from sqlalchemy import delete
+
+from app.api import evidence
+from app.core import artifact_store
+from app.core.artifact_store import put_json
+from app.data import introspect
+from app.data.engine import engines
+from app.db.base import SessionLocal
+from app.db.models import DataSource, Run, Setting
+from app.engine import spend, verify_agent
+from app.engine.evidence import iter_units
+from app.engine.judge import SPEND_KEY as JUDGE_SPEND_KEY
+from app.engine.nodes import challenge as challenge_mod
+from app.engine.runner import run_manager
+from app.main import app
+from app.providers.mock_model import MockChatModel
+
+
+@pytest.fixture(autouse=True)
+async def engine_up():
+    await run_manager.setup()
+
+    async def clear() -> None:
+        async with SessionLocal() as session:
+            await session.execute(delete(Setting).where(Setting.key.in_(
+                ["verify", "judge", spend.SPEND_KEY, JUDGE_SPEND_KEY])))
+            await session.commit()
+
+    await clear()
+    yield
+    await clear()
+    await run_manager.shutdown()
+
+
+@pytest.fixture
+async def client():
+    async with AsyncClient(transport=ASGITransport(app=app), base_url="http://test") as c:
+        yield c
+
+
+def node(nid, ntype, label=None, **config):
+    return {"id": nid, "type": ntype, "position": {"x": 0, "y": 0}, "data": {"label": label or nid, "config": config}}
+
+
+def chain(*nodes):
+    return {"nodes": list(nodes), "edges": [{"source": a["id"], "target": b["id"]} for a, b in zip(nodes, nodes[1:])]}
+
+
+async def start(spec: dict) -> Run:
+    run_id = (await run_manager.start(graph=spec, input_payload={}, run_class="formal")).id
+    for _ in range(600):
+        await asyncio.sleep(0.05)
+        async with SessionLocal() as session:
+            row = await session.get(Run, run_id)
+        if row.status in ("succeeded", "failed") and row.manifest_seq is not None:
+            await run_manager.wait_idle(run_id)
+            return row
+    raise AssertionError(f"运行 {run_id} 停在 {row.status}：{row.error}")
+
+
+# --------------------------------------------------------------------------
+# 真跑：虚构的区域月报
+# --------------------------------------------------------------------------
+
+PRICED = "claude-sonnet-5"
+#: 各区销售额（含退款）：北区 1600、南区 700、西区 300
+QUERY = "SELECT region AS 区域, SUM(amount) AS 销售额 FROM sales GROUP BY region ORDER BY 销售额 DESC"
+NET = "SELECT region AS 区域, SUM(amount) AS 净销售额 FROM sales WHERE refunded = 0 GROUP BY region ORDER BY 净销售额 DESC"
+REFUNDS = "SELECT COUNT(*) AS 退款笔数 FROM sales WHERE refunded = 1"
+#: 标题、一句有依据的结论、一句预埋的错误结论（南区其实低于北区）。后一句只有文字：没有可点的片段
+TEXT = "## 区域月报\n\n北区销售额 [[v:Q1.r0.销售额]]，居各区之首。[[see:Q1]]南区销售额超过北区。[[see:Q1]]"
+NORTH, SOUTH = "北区销售额 1,600，居各区之首。", "南区销售额超过北区。"
+PLAYS = {
+    "南区销售额超过北区": ([NET], "refuted", "扣除退款后南区为 [[v:Q1.r1.净销售额]]，仍低于北区的 [[v:Q1.r0.净销售额]]。[[see:Q1]]"),
+    "居各区之首": ([REFUNDS], "weakened", "北区含 [[v:Q1.r0.退款笔数]] 笔退款，扣除后仍居首，但销售额被高估。"),
+}
+
+
+@pytest.fixture
+async def sales(tmp_path):
+    path = tmp_path / f"{uuid.uuid4().hex[:8]}.db"
+    db = sqlite3.connect(path)
+    db.executescript(
+        "CREATE TABLE sales (id INTEGER PRIMARY KEY, region TEXT, amount INTEGER, refunded INTEGER);"
+        "INSERT INTO sales VALUES (1, '北区', 1250, 0), (2, '北区', 350, 1), (3, '南区', 700, 0), (4, '西区', 300, 0);")
+    db.commit()
+    db.close()
+    name = f"months_{uuid.uuid4().hex[:8]}"
+    async with SessionLocal() as session:
+        row = DataSource(name=name, kind="sqlite", database=str(path), readonly=True, enabled=True, options={})
+        session.add(row)
+        await session.flush()
+        row.schema_cache = await introspect.introspect(row)
+        await session.commit()
+        source_id = row.id
+    yield name
+    await engines.invalidate(source_id)
+
+
+def reviewer(monkeypatch, source: str) -> None:
+    """写作者交 TEXT；反方 agent 按任务里的结论认出是哪一句，照 PLAYS 查询、交结论和理由。"""
+
+    def decide(model, messages):
+        if challenge_mod.CHALLENGE_SYSTEM not in str(messages[0].content):
+            return AIMessage(content=TEXT)
+        task = str(messages[1].content) if len(messages) > 1 else ""
+        queries, verdict, rationale = next((p for k, p in PLAYS.items() if k in task), ([], "stands", "没有找到反例。"))
+        if model.response_format:
+            return AIMessage(content=json.dumps({"verdict": verdict, "rationale": rationale}, ensure_ascii=False))
+        done = sum(1 for m in messages if isinstance(m, ToolMessage))
+        if done < len(queries):
+            call = {"name": f"db_query__{source}", "args": {"sql": queries[done]},
+                    "id": f"q{done}-{uuid.uuid4().hex[:6]}"}
+            return AIMessage(content="查一下。", tool_calls=[call])
+        return AIMessage(content="查完了。")
+
+    monkeypatch.setattr(MockChatModel, "_decide", decide)
+
+    async def verify_model(session, spec):
+        return MockChatModel(model_name=PRICED, latency=0.0), PRICED
+
+    monkeypatch.setattr(verify_agent, "get_chat_model", verify_model)
+
+
+def challenge_graph(source: str, *, challenge: bool = True, **config) -> dict:
+    return chain(
+        node("start", "input"),
+        node("fetch", "tool", tool=f"db_query__{source}", args={"sql": QUERY}),
+        node("write", "report", "写月报", instructions="写月报"),
+        *([node("chal", "challenge", "审稿", report="write", **config)] if challenge else []),
+        node("out", "output", fields=[{"name": "月报", "value": "{{ nodes.write.text }}"}],
+             contract={"report_from": "write"}),
+    )
+
+
+async def graph_report(client, run_id: str) -> dict:
+    res = await client.get(f"/api/runs/{run_id}/evidence")
+    assert res.status_code == 200, res.text
+    [report] = res.json()["reports"]
+    return report
+
+
+def units_of(doc: dict) -> dict[str, dict]:
+    """句子编号 → (原文, 第一个不是结构性的片段)：点开整句时前端请求的就是这个片段。"""
+    md = doc["markdown"]
+    out = {}
+    for _, unit in iter_units(doc):
+        first = next((s for s in unit.get("segments") or [] if s.get("kind") != "structural"), None)
+        start, end = unit["span"]
+        out[unit["id"]] = {"text": md[start:end].strip(), "kind": unit.get("kind"), "first": first}
+    return out
+
+
+async def same_as_segments(client, run_id: str, report: dict) -> dict[str, str]:
+    """每一句的标记和片段接口答的 unit.challenge.verdict 一字不差（没审到的两边都没有）。返回 原文 → 判断。"""
+    doc = artifact_store.load(report["doc_artifact"])
+    marks = report.get("challenge_verdicts", {})
+    said = {}
+    for uid, unit in units_of(doc).items():
+        if unit["first"] is None:
+            continue
+        res = await client.get(f"/api/runs/{run_id}/evidence/segments/{unit['first']['id']}")
+        assert res.status_code == 200, res.text
+        verdict = (res.json()["unit"].get("challenge") or {}).get("verdict")
+        assert marks.get(uid) == verdict, f"{unit['text']}：证据图 {marks.get(uid)!r} ≠ 片段接口 {verdict!r}"
+        if verdict:
+            said[unit["text"]] = verdict
+    assert set(marks) <= set(units_of(doc)), "证据图标了文档里没有的句子"
+    return said
+
+
+async def test_the_graph_marks_every_challenged_sentence(client, monkeypatch, sales):
+    reviewer(monkeypatch, sales)
+    run = await start(challenge_graph(sales))
+    assert run.status == "succeeded", run.error
+    report = await graph_report(client, run.id)
+    doc = artifact_store.load(report["doc_artifact"])
+    units = units_of(doc)
+    by_text = {u["text"]: uid for uid, u in units.items()}
+    # 只含被审过的两句：标题、没被挑来审的句子不在里面
+    assert report["challenge_verdicts"] == {by_text[NORTH]: "weakened", by_text[SOUTH]: "refuted"}
+    heading = next(uid for uid, u in units.items() if u["kind"] == "heading")
+    assert heading not in report["challenge_verdicts"]
+    # 被推翻的那句只有文字：没有一个可点的片段，正文要靠这张表才挂得出入口
+    south = next(u for b in doc["blocks"] for u in b["units"] if u["id"] == by_text[SOUTH])
+    assert all(seg["kind"] in ("text", "structural") for seg in south["segments"])
+    assert await same_as_segments(client, run.id, report) == {NORTH: "weakened", SOUTH: "refuted"}
+
+
+async def test_a_lost_review_record_marks_the_listed_sentences(client, monkeypatch, sales):
+    """审稿记录没存上：按产出里列的那几句标，和片段接口同一个来源。"""
+    async def lost(self, record):
+        return None
+
+    monkeypatch.setattr(challenge_mod._Review, "_store", lost)
+    reviewer(monkeypatch, sales)
+    run = await start(challenge_graph(sales))
+    assert run.status == "succeeded", run.error
+    report = await graph_report(client, run.id)
+    assert sorted(report["challenge_verdicts"].values()) == ["refuted", "weakened"]
+    assert await same_as_segments(client, run.id, report) == {NORTH: "weakened", SOUTH: "refuted"}
+
+
+async def test_a_review_that_stopped_the_run_still_marks(client, monkeypatch, sales):
+    """「结论被推翻时」设为报错并停止运行：节点报错、运行失败，按审完那一刻的日志认审稿记录，被审的句子照样有标记。"""
+    reviewer(monkeypatch, sales)
+    run = await start(challenge_graph(sales, on_refuted="fail"))
+    assert run.status == "failed" and "推翻" in (run.error or ""), run.error
+    report = await graph_report(client, run.id)
+    assert await same_as_segments(client, run.id, report) == {NORTH: "weakened", SOUTH: "refuted"}
+
+
+@pytest.mark.parametrize("challenge", [False, True])
+async def test_reports_nobody_reviewed_have_no_marks(client, monkeypatch, sales, challenge):
+    """没有反方审稿、或者反方审稿关着（直通，一句都没审）：没有这个键，和以前一字不差。"""
+    reviewer(monkeypatch, sales)
+    run = await start(challenge_graph(sales, challenge=challenge, **({"enabled": False} if challenge else {})))
+    assert run.status == "succeeded", run.error
+    assert "challenge_verdicts" not in await graph_report(client, run.id)
+
+
+# --------------------------------------------------------------------------
+# 认「哪一次」：手写的封存事件
+# --------------------------------------------------------------------------
+
+
+def sealed_of(graph: dict, events: list[tuple]) -> evidence._Sealed:
+    return evidence._Sealed(run_id="syn-run", graph=graph, events=events,
+                            seal={"sealed": True, "ok": True, "manifest_seq": events[-1][0], "legacy": False})
+
+
+def report(doc_artifact: str) -> evidence._Report:
+    return evidence._Report(node_id="write", doc_artifact=doc_artifact, ok=True, repairs=0, stats=None, doc=None,
+                            hash_ok=True, fields=[])
+
+
+def claim(unit, verdict, text="一句结论。"):
+    return {"unit": unit, "text": text, "verdict": verdict, "rationale": "", "rationale_doc": None, "queries": []}
+
+
+async def review(doc: str, claims: list[dict], *, saved: bool = True, on_refuted: str = "degrade") -> str:
+    """一次反方审稿的产出工件（审稿记录存上了的带 challenge_artifact）。"""
+    record = await put_json({"report": "write", "doc_artifact": doc, "model": "mock", "claims": claims},
+                            kind="challenge") if saved else None
+    counts = {v: sum(1 for c in claims if c["verdict"] == v) for v in ("stands", "weakened", "refuted", "inconclusive")}
+    items = [{k: c[k] for k in ("unit", "text", "verdict")} for c in claims]
+    return await put_json({"challenge_artifact": record, "counts": counts, "on_refuted": on_refuted, "items": items},
+                          kind="node_output")
+
+
+def consistent(sealed: evidence._Sealed, doc: str, units: list[str]) -> dict[str, str]:
+    """标记表和逐句的 _challenge_of 一致：每一句的判断相同，没审到的两边都没有。"""
+    marks = evidence._challenge_verdicts(sealed, report(doc))
+    for uid in units:
+        one = evidence._challenge_of(sealed, report(doc), uid)
+        assert marks.get(uid) == (one or {}).get("verdict"), f"{uid}：{marks.get(uid)!r} ≠ {one!r}"
+    return marks
+
+
+@pytest.mark.parametrize("saved", [True, False])
+async def test_a_review_of_an_earlier_draft_does_not_mark_the_rewritten_report(saved):
+    """报告在反方审稿之后又重写了一次：审的是前一稿，新的一稿上同一个句子编号说的可能是另一句话，不标。"""
+    draft = await put_json({"markdown": "第一稿", "n": 11}, kind="report_doc")
+    final = await put_json({"markdown": "第二稿", "n": 12}, kind="report_doc")
+    out = await review(draft, [claim("u1", "refuted"), claim("u2", "stands")], saved=saved)
+    graph = chain(node("write", "report", "写月报"), node("chal", "challenge", "审稿", report="write"))
+    events = [
+        (1, "report.checked", "write", {"doc_artifact": draft, "ok": True}),
+        (2, "node.finished", "write", {}),
+        (3, "node.finished", "chal", {"artifact": out}),
+        (4, "report.checked", "write", {"doc_artifact": final, "ok": True}),
+    ]
+    sealed = sealed_of(graph, events)
+    assert consistent(sealed, draft, ["u1", "u2", "u3"]) == {"u1": "refuted", "u2": "stands"}
+    assert consistent(sealed, final, ["u1", "u2"]) == {}
+
+
+async def test_each_sentence_takes_the_last_review_that_reached_it():
+    """两个反方审稿审了同一份文档：每一句取最后跑完、审到了它的那个（同片段接口）；只有前一个审到的句子照样标。"""
+    doc = await put_json({"markdown": "月报", "n": 13}, kind="report_doc")
+    first = await review(doc, [claim("u1", "refuted"), claim("u2", "stands")])
+    second = await review(doc, [claim("u2", "weakened"), claim("u3", "inconclusive")])
+    graph = chain(node("write", "report", "写月报"), node("chal1", "challenge", "审稿一", report="write"),
+                  node("chal2", "challenge", "审稿二", report="write"))
+    events = [
+        (1, "report.checked", "write", {"doc_artifact": doc, "ok": True}),
+        (2, "node.finished", "chal1", {"artifact": first}),
+        (3, "node.finished", "chal2", {"artifact": second}),
+    ]
+    marks = consistent(sealed_of(graph, events), doc, ["u1", "u2", "u3", "u4"])
+    assert marks == {"u1": "refuted", "u2": "weakened", "u3": "inconclusive"}
+
+
+async def test_a_review_that_failed_the_node_marks_from_its_record():
+    """节点报错：按审完那一刻的日志认审稿记录；重跑之后没再审完的不算，日志里没有审稿记录的认不出审的是哪一稿，也不算。"""
+    doc = await put_json({"markdown": "月报", "n": 14}, kind="report_doc")
+    record = await put_json({"report": "write", "doc_artifact": doc, "model": "mock",
+                             "claims": [claim("u1", "refuted"), claim("u2", "weakened")]}, kind="challenge")
+    graph = chain(node("write", "report", "写月报"), node("chal", "challenge", "审稿", report="write",
+                                                       on_refuted="fail"))
+    counts = {"stands": 0, "weakened": 1, "refuted": 1, "inconclusive": 0}
+    head = [(1, "report.checked", "write", {"doc_artifact": doc, "ok": True}), (2, "node.started", "chal", {})]
+    done = (3, "log", "chal", {"code": "challenge_done", "counts": counts, "artifact": record})
+    failed = (4, "node.failed", "chal", {"error": "反方审稿推翻了 1 句结论"})
+    assert consistent(sealed_of(graph, [*head, done, failed]), doc, ["u1", "u2"]) == {"u1": "refuted", "u2": "weakened"}
+    retried = [*head, done, (4, "node.started", "chal", {}), (5, "node.failed", "chal", {"error": "模型不可用"})]
+    assert consistent(sealed_of(graph, retried), doc, ["u1", "u2"]) == {}
+    lost = [*head, (3, "log", "chal", {"code": "challenge_done", "counts": counts, "artifact": None}), failed]
+    assert consistent(sealed_of(graph, lost), doc, ["u1", "u2"]) == {}
+
+
+async def test_unreadable_verdicts_are_left_out():
+    """判断不是一个词的（缺了、空的、不是字符串）不标；同一次审稿里一句列了两遍时取前一条（同片段接口）。"""
+    doc = await put_json({"markdown": "月报", "n": 15}, kind="report_doc")
+    out = await review(doc, [claim("u1", None), claim("u2", ""), claim("u3", 3), claim("u4", "stands"),
+                             claim("u4", "refuted"), claim("", "refuted"), claim(None, "refuted")])
+    graph = chain(node("write", "report", "写月报"), node("chal", "challenge", "审稿", report="write"))
+    events = [(1, "report.checked", "write", {"doc_artifact": doc, "ok": True}),
+              (2, "node.finished", "chal", {"artifact": out})]
+    assert consistent(sealed_of(graph, events), doc, ["u1", "u2", "u3", "u4", ""]) == {"u4": "stands"}