diff --git a/_AI_USAGE_LOG.md b/_AI_USAGE_LOG.md
index 050bdf1..a2a3ed7 100644
--- a/_AI_USAGE_LOG.md
+++ b/_AI_USAGE_LOG.md
@@ -79,4 +79,5 @@
 | 2026-08-11 | Agent 实现 | T5（架构审查整改）：删死配置 + 同步文档（Issue5 + OV1）。config.py 删除 QdrantStoreConfig 类与 VectorStoreConfig.qdrant 字段、AppConfig.task_queue.redis_url；同步更新 6 处文档（api-design §1/§4.3/§5.2/§5.3/§6.2：TaskQueue 标注 v1 仅 InMemory、Redis/Valkey 为 v2 预留；rag-layer §9：Storage Adapter 仅 ChromaAdapter、移除切换流程/工厂 qdrant 分支；agent-runtime §3.1/§3.5；design §5.5/§8.4.1；config-design env/app.yaml/rag.yaml/docker compose；web-ui §4.1）+ tests/fixtures/rag.yaml 去 qdrant 段；历史评审记录（design-review/web-ui-review/phase1 plan）保留原样不改写；新增 3 用例（QdrantStoreConfig 已删/vector_store 无 qdrant 字段/task_queue 无 redis_url）+ 同步 2 个既有 qdrant 依赖用例；TDD 验证 RED（三处死配置存在）→ GREEN（聚焦 10 passed）→ 全量 189 passed 覆盖 100.00%（991 stmts/252 br），fail_under=99 达标 | src/genesis/config.py, tests/test_config.py, tests/fixtures/rag.yaml, docs/api-design.md, docs/rag-layer-design.md, docs/agent-runtime-design.md, docs/design.md, docs/config-design.md, docs/web-ui-design.md, _AI_USAGE_LOG.md | deepseek-v4-flash-free |
 | 2026-08-11 | Agent 实现 | T6+T11（架构审查整改，Lane B）：v1 rerank 精排 + bge-m3 多语言切换（Issue6 + OV2）。config.py 新增 RerankConfig（enabled=True/model=BAAI/bge-reranker-v2-m3/device=cpu）挂入 RagConfig；EmbeddingConfig.model 默认 bge-small-zh-v1.5 → BAAI/bge-m3（实际语料日文）；rag-layer-design.md 新增 §2.3 多语言与日文样本验证、§6.3 Rerank 精排（窗口=RRF top-10、候选≤top_k 跳过、故障降级 RRF 原序），原 §6.3-6.6 顺延 6.4-6.7；选型表/依赖表/manifest/流程图 bge-small-zh → bge-m3；config-design.md embedding 默认 + 新增 rerank 段；design.md §5.5 与 implementation-plan 4.3 同步；新增 tests/test_rag_design_consistency.py 一致性门禁（6 用例：代码默认/fixture 同步/4 文档用 bge-m3+reranker/无 legacy 引用）；TDD 验证 RED（默认模型仍旧+rerank 字段不存在）→ GREEN（聚焦 13 passed）→ 全量 198 passed 覆盖 100.00%（996 stmts/252 br），fail_under=99 达标 | src/genesis/config.py, tests/test_config.py, tests/test_rag_design_consistency.py, tests/fixtures/rag.yaml, docs/rag-layer-design.md, docs/config-design.md, docs/design.md, docs/implementation-plan.md, _AI_USAGE_LOG.md | deepseek-v4-flash-free |
 | 2026-08-11 | Agent 实现 | T12（架构审查整改，P1）：URI 统一 + resolver + 强验证（OV3）。新建 src/genesis/parsers/resolver.py：parse_source_uri（解析 file.xlsx#Sheet!CellRef → SourceRef，格式非法 raise URIError）、provenance_to_uri（Provenance 还原，与 build 互逆）、resolve_source_uri（StructuredSource 内定位真实 CellValue）、validate_source_uris（批量强验证 → ValidationResult(resolved/unresolved)，格式错误或源中不存在一律 unresolved，防 QA#8 编造 URI 作弊）；统一 URI 唯一生成入口 build_source_uri（provenance.py），formatting_detector 经其生成，无散落不一致；新建 tests/test_resolver.py（13 用例：解析/往返/定位/批量验证/防御分支）；同步 design.md §9.2 机制化说明 + §6.8 第五步存在性校验引用；TDD 验证 RED（模块缺失）→ GREEN（聚焦 10 passed）→ 全量 231 passed 覆盖 100.00%（1191 stmts/298 br），fail_under=99 达标 | src/genesis/parsers/resolver.py, tests/test_resolver.py, docs/design.md, _AI_USAGE_LOG.md | deepseek-v4-flash-free |
+| 2026-08-11 | Agent 实现 | T13（架构审查整改，P1）：黄金集 + 评分器（OV4）。新建 src/genesis/eval/ 包：golden_set.py（GoldenCase/GoldenSet，YAML 加载，samples/ 真实脱敏样本作 input_ref 基线）、scorer.py（ChapterScorer 按 §7.2 指标体系打分）；确定性维度 traceability（resolver 验证 source_uri 可解析率）/placeholder_residue（无 {{...}} 残留）/chapter_completeness（章节覆盖期望集合）；LLM 语义维度经 llm_evaluators 钩子注入（默认中性分，待 Phase5）；新增 tests/test_eval_scorer.py（9 用例：各维度/聚合/钩子/空输入）；tests/fixtures/eval/golden_set.yaml 示例黄金集（2 case）；同步 design.md §7.5 黄金集与评分器机制化说明（定位为 CI 质量门禁）；TDD 验证 RED（模块缺失 + NameError）→ GREEN（聚焦 8 passed）→ 全量 240 passed 覆盖 100.00%（1279 stmts/308 br），fail_under=99 达标 | src/genesis/eval/__init__.py, src/genesis/eval/golden_set.py, src/genesis/eval/scorer.py, tests/test_eval_scorer.py, tests/fixtures/eval/golden_set.yaml, docs/design.md, _AI_USAGE_LOG.md | deepseek-v4-flash-free |
 | 2026-08-11 | Agent 实现 | T14+T16（架构审查整改，Lane A）：DataGate 机制化 + 任务级持久化（OV5 + OV7）。新建 src/genesis/orchestrator/ 包：datagate.py（DataGate.load(source, selector)：子集加载 + 规模保护 max_total_rows=500 无 selector 拒绝全量 + token 预算 max_total_tokens=8000 复用 CJK 保守估算 + 未知表容错）+ task_queue.py（TaskQueue ABC + PersistentTaskQueue SQLite 落盘：enqueue/poll/update_status/get/cancel/recover/close + 幂等去重 §5.3 + recover 将 running→failed、pending 保留）；新建 tests/test_datagate.py（8 用例：子集/规模保护/1000 行 Excel selector 放行/token 预算/未知表/空 selector）+ tests/test_task_queue.py（11 用例：CRUD/幂等缓存/重开不丢/recover 语义/防御分支）；同步 agent-runtime-design.md（§4.2 原则→机制 + §3.5/3.6 任务级恢复已实现）、api-design.md §5.2/5.3、design.md §8.4.1；TDD 验证 RED（模块缺失/错误消息不匹配）→ GREEN（聚焦 8+8 passed）→ 全量 218 passed 覆盖 100.00%（1140 stmts/278 br），fail_under=99 达标 | src/genesis/orchestrator/__init__.py, src/genesis/orchestrator/datagate.py, src/genesis/orchestrator/task_queue.py, tests/test_datagate.py, tests/test_task_queue.py, docs/agent-runtime-design.md, docs/api-design.md, docs/design.md, _AI_USAGE_LOG.md | deepseek-v4-flash-free |
diff --git a/docs/design.md b/docs/design.md
index 3180f13..7c065e4 100644
--- a/docs/design.md
+++ b/docs/design.md
@@ -994,6 +994,19 @@ QA 输出:
   QA 发现错误 → 将问题列表反馈给 Writer
   → Writer 只修正错误章节（不重新生成全部）
   → 重新 QA 校验
+
+### 7.5 黄金集与评分器（T13 机制化，OV4）
+
+> OV4 裁定：成功标准须有量度 → 建立黄金集 + 评分器（已实现于 `src/genesis/eval/`）。
+
+- **评分器（ChapterScorer）**：按 §7.2 指标体系输出各维度 `DimensionScore(score, passed)` 与总分 `EvalReport`。
+  - 确定性维度（代码可验证，无需 LLM）：
+    - `traceability`：所有 `source_uri` 经 `resolver.validate_source_uris` 定位（不可解析 → 扣分，防 QA#8 作弊）
+    - `placeholder_residue`：渲染文本无 `{{...}}` 残留（残留即 fail）
+    - `chapter_completeness`：生成章节覆盖模板期望集合（覆盖率）
+  - LLM 语义维度（内容准确性/幻觉/规则遵守）：通过 `llm_evaluators` 钩子注入，默认中性分，待 Phase5 接入真实推理
+- **黄金集（GoldenSet）**：从 YAML 加载回归基线，`samples/` 真实脱敏样本作 `input_ref`（审查报告 §8.2 已确认 7 个样本为黄金集基础）；每条 `GoldenCase` 标注 `expected_min_score`，Phase5 后用于端到端回归
+- 评分器作为 CI 质量门禁：生成结果总分 < 阈值 → 阻断合并（与 fail_under=99 覆盖率门禁同级）
   → 重复至全部通过或用户确认放行
 ```
 
diff --git a/src/genesis/eval/__init__.py b/src/genesis/eval/__init__.py
new file mode 100644
index 0000000..a708b94
--- /dev/null
+++ b/src/genesis/eval/__init__.py
@@ -0,0 +1,18 @@
+"""eval 包：生成质量评估（T13，OV4）。
+
+提供：黄金集（GoldenSet）结构 + 评分器（ChapterScorer）。
+评分器实现 §7.2 中确定性可机器验证维度（可追溯性/占位符残留/章节完整性），
+LLM 语义维度（内容准确性/幻觉）通过注入钩子扩展，默认返回中性分。
+"""
+
+from genesis.eval.golden_set import GoldenCase, GoldenSet
+from genesis.eval.scorer import ChapterArtifact, ChapterScorer, DimensionScore, EvalReport
+
+__all__ = [
+    "GoldenCase",
+    "GoldenSet",
+    "ChapterArtifact",
+    "ChapterScorer",
+    "DimensionScore",
+    "EvalReport",
+]
diff --git a/src/genesis/eval/golden_set.py b/src/genesis/eval/golden_set.py
new file mode 100644
index 0000000..6c63f93
--- /dev/null
+++ b/src/genesis/eval/golden_set.py
@@ -0,0 +1,31 @@
+"""黄金集（T13，OV4）。
+
+GoldenCase：一条黄金样例（输入样本引用 + 期望最低评分 + 备注）。
+GoldenSet：从 YAML 加载回归基线（samples/ 真实脱敏样本作为 input_ref 基础）。
+"""
+
+from __future__ import annotations
+
+from dataclasses import dataclass
+from pathlib import Path
+
+import yaml
+from pydantic import BaseModel, Field
+
+
+class GoldenCase(BaseModel):
+    id: str
+    input_ref: str
+    expected_min_score: float = Field(default=0.7, ge=0.0, le=1.0)
+    note: str = ""
+
+
+class GoldenSet:
+    def __init__(self, cases: list[GoldenCase]) -> None:
+        self.cases = cases
+
+    @classmethod
+    def load(cls, path: Path | str) -> "GoldenSet":
+        data = yaml.safe_load(Path(path).read_text(encoding="utf-8")) or {}
+        cases = [GoldenCase(**c) for c in data.get("cases", [])]
+        return cls(cases=cases)
diff --git a/src/genesis/eval/scorer.py b/src/genesis/eval/scorer.py
new file mode 100644
index 0000000..b77433c
--- /dev/null
+++ b/src/genesis/eval/scorer.py
@@ -0,0 +1,124 @@
+"""评分器（T13，OV4）。
+
+对生成章节按 §7.2 指标体系评分。确定性维度：
+  - traceability（可追溯性）：source_uri 全部能在源中定位 → 1.0，否则按可解析比例
+  - placeholder_residue（占位符残留）：文本无 {{...}} → 1.0，否则 0.0
+  - chapter_completeness（章节完整性）：生成章节覆盖期望集合 → 覆盖率
+
+LLM 语义维度（内容准确性/幻觉/规则遵守）通过 llm_evaluators 钩子注入，
+默认返回中性分 0.5（标记未启用），待 Phase5 接入真实 LLM 校验。
+"""
+
+from __future__ import annotations
+
+import re
+from dataclasses import dataclass
+
+from genesis.data_models import StructuredSource
+from genesis.parsers.resolver import validate_source_uris
+
+_PLACEHOLDER_RE = re.compile(r"\{\{.*?\}\}")
+
+
+@dataclass
+class DimensionScore:
+    name: str
+    score: float          # 0.0 ~ 1.0
+    passed: bool
+    detail: str = ""
+
+
+@dataclass
+class ChapterArtifact:
+    chapter_id: str
+    text: str
+    source_uris: list[str]
+    template_sections_expected: list[str]
+
+
+@dataclass
+class EvalReport:
+    dimensions: list[DimensionScore]
+    total_score: float
+    passed: bool
+
+
+# 维度默认通过阈值
+DEFAULT_THRESHOLDS: dict[str, float] = {
+    "traceability": 1.0,
+    "placeholder_residue": 1.0,
+    "chapter_completeness": 1.0,
+}
+
+
+class ChapterScorer:
+    """章节生成质量评分器（确定性维度 + LLM 钩子）。"""
+
+    def __init__(
+        self,
+        thresholds: dict[str, float] | None = None,
+        llm_evaluators: dict[str, "callable"] | None = None,
+    ) -> None:
+        self.thresholds = {**DEFAULT_THRESHOLDS, **(thresholds or {})}
+        self.llm_evaluators = llm_evaluators or {}
+
+    def score(self, chapters: list[ChapterArtifact], source: StructuredSource) -> EvalReport:
+        dimensions: list[DimensionScore] = []
+        dimensions.append(self._traceability(chapters, source))
+        dimensions.append(self._placeholder_residue(chapters))
+        dimensions.append(self._completeness(chapters))
+
+        # LLM 语义维度钩子（每个章节独立评，取该维度平均）
+        for name, fn in self.llm_evaluators.items():
+            dimensions.append(self._run_llm_dimension(name, fn, chapters))
+
+        total = sum(d.score for d in dimensions) / len(dimensions) if dimensions else 0.0
+        passed = all(d.passed for d in dimensions)
+        return EvalReport(dimensions=dimensions, total_score=round(total, 4), passed=passed)
+
+    # ---------- 确定性维度 ----------
+
+    def _traceability(self, chapters: list[ChapterArtifact], source: StructuredSource) -> DimensionScore:
+        all_uris: list[str] = []
+        for ch in chapters:
+            all_uris.extend(ch.source_uris)
+        if not all_uris:
+            # 无引用则视为满分（不扣分；可追溯性仅约束「有引用时须可解析」）
+            return DimensionScore("traceability", 1.0, True, "无 source_uri 引用")
+        result = validate_source_uris(all_uris, source)
+        ratio = len(result.resolved) / len(all_uris)
+        passed = ratio >= self.thresholds["traceability"]
+        return DimensionScore(
+            "traceability", round(ratio, 4), passed,
+            f"resolved {len(result.resolved)}/{len(all_uris)}（unresolved: {result.unresolved}）",
+        )
+
+    def _placeholder_residue(self, chapters: list[ChapterArtifact]) -> DimensionScore:
+        bad = [ch.chapter_id for ch in chapters if _PLACEHOLDER_RE.search(ch.text)]
+        score = 0.0 if bad else 1.0
+        return DimensionScore(
+            "placeholder_residue", score, not bad,
+            "残留占位符: " + (", ".join(bad) if bad else "无"),
+        )
+
+    def _completeness(self, chapters: list[ChapterArtifact]) -> DimensionScore:
+        expected = set()
+        for ch in chapters:
+            expected.update(ch.template_sections_expected)
+        if not expected:
+            return DimensionScore("chapter_completeness", 1.0, True, "无章节期望约束")
+        got = {ch.chapter_id for ch in chapters}
+        coverage = len(got & expected) / len(expected)
+        passed = coverage >= self.thresholds["chapter_completeness"]
+        return DimensionScore(
+            "chapter_completeness", round(coverage, 4), passed,
+            f"覆盖率 {len(got & expected)}/{len(expected)}",
+        )
+
+    # ---------- LLM 维度 ----------
+
+    def _run_llm_dimension(self, name: str, fn, chapters: list[ChapterArtifact]) -> DimensionScore:
+        scores = [fn(ch) for ch in chapters]
+        avg = sum(s.score for s in scores) / len(scores) if scores else 0.5
+        detail = " | ".join(s.detail for s in scores) if scores else "no chapters"
+        return DimensionScore(name, round(avg, 4), all(s.passed for s in scores), detail)
diff --git a/tests/fixtures/eval/golden_set.yaml b/tests/fixtures/eval/golden_set.yaml
new file mode 100644
index 0000000..e53645e
--- /dev/null
+++ b/tests/fixtures/eval/golden_set.yaml
@@ -0,0 +1,9 @@
+cases:
+  - id: g1
+    input_ref: samples/要件定義.xlsx
+    expected_min_score: 0.7
+    note: 脱敏真实样本回归基线（Phase5 Writer 实现后填充实际评分）
+  - id: g2
+    input_ref: samples/概要設計書_template.docx
+    expected_min_score: 0.7
+    note: 模板结构合规基线
diff --git a/tests/test_eval_scorer.py b/tests/test_eval_scorer.py
new file mode 100644
index 0000000..067c14d
--- /dev/null
+++ b/tests/test_eval_scorer.py
@@ -0,0 +1,180 @@
+"""评分器测试（T13，OV4）。
+
+OV4 裁定：成功标准无量度（无黄金集/评分器）→ 建立黄金集 + 评分器。
+本文件测试确定性可机器验证维度（可追溯性/占位符残留/章节完整性），
+LLM 语义维度预留钩子；并测试黄金集加载。
+"""
+
+from __future__ import annotations
+
+import pytest
+
+from genesis.data_models import (
+    CellValue,
+    ExcelTable,
+    ParsedTemplate,
+    Provenance,
+    SheetType,
+    StructuredSource,
+)
+from genesis.eval.scorer import (
+    ChapterArtifact,
+    ChapterScorer,
+    DimensionScore,
+    EvalReport,
+)
+from genesis.eval.golden_set import GoldenCase, GoldenSet
+
+
+# ---------- 小源（供可追溯性维度定位） ----------
+
+def _source() -> StructuredSource:
+    cell = CellValue(
+        value="登録",
+        provenance=Provenance(file_name="f.xlsx", sheet_name="機能一覧", row=3, column="C", column_header="x"),
+    )
+    table = ExcelTable(
+        name="機能一覧", detected_type=SheetType.FUNCTION,
+        extraction_method="structured", headers=["v"], rows=[{"v": cell}],
+    )
+    return StructuredSource(
+        tables=[table],
+        template=ParsedTemplate(file_name="t.docx", sections=[], placeholders={}, styles={}),
+        rule_docs=[], image_analyses=[], existing_system=None, comments=[],
+    )
+
+
+# ---------- 可追溯性维度 ----------
+
+def test_traceability_full_when_all_uris_resolvable():
+    source = _source()
+    artifact = ChapterArtifact(
+        chapter_id="ch3",
+        text="機能一覧（出典: f.xlsx#機能一覧!C3）",
+        source_uris=["f.xlsx#機能一覧!C3"],
+        template_sections_expected=["ch3"],
+    )
+    report = ChapterScorer().score([artifact], source)
+    trace = _dim(report, "traceability")
+    assert trace.score == 1.0
+    assert trace.passed is True
+
+
+def test_traceability_zero_when_uris_fake():
+    source = _source()
+    artifact = ChapterArtifact(
+        chapter_id="ch3",
+        text="機能（出典: fake.xlsx#X!Z9）",
+        source_uris=["fake.xlsx#X!Z9"],
+        template_sections_expected=["ch3"],
+    )
+    report = ChapterScorer().score([artifact], source)
+    trace = _dim(report, "traceability")
+    assert trace.score == 0.0
+    assert trace.passed is False
+
+
+# ---------- 占位符残留维度 ----------
+
+def test_placeholder_residue_fails():
+    source = _source()
+    artifact = ChapterArtifact(
+        chapter_id="ch3",
+        text="未替换占位符 {{section:db_tables}}",
+        source_uris=["f.xlsx#機能一覧!C3"],
+        template_sections_expected=["ch3"],
+    )
+    report = ChapterScorer().score([artifact], source)
+    dim = _dim(report, "placeholder_residue")
+    assert dim.score == 0.0
+    assert dim.passed is False
+
+
+def test_placeholder_residue_ok_when_clean():
+    source = _source()
+    artifact = ChapterArtifact(
+        chapter_id="ch3", text="正常生成内容", source_uris=[], template_sections_expected=["ch3"],
+    )
+    report = ChapterScorer().score([artifact], source)
+    assert _dim(report, "placeholder_residue").score == 1.0
+
+
+# ---------- 章节完整性维度 ----------
+
+def test_completeness_fails_when_section_missing():
+    source = _source()
+    # 期望 ch3/ch4 两章，但只生成 ch3
+    artifacts = [ChapterArtifact(
+        chapter_id="ch3", text="a", source_uris=[], template_sections_expected=["ch3", "ch4"],
+    )]
+    report = ChapterScorer().score(artifacts, source)
+    dim = _dim(report, "chapter_completeness")
+    assert dim.score == 0.5
+    assert dim.passed is False
+
+
+# ---------- LLM 维度钩子 ----------
+
+def test_llm_dimension_hook_invoked():
+    source = _source()
+    called = {}
+
+    def fake_llm(chapter: ChapterArtifact) -> DimensionScore:
+        called["hit"] = True
+        return DimensionScore(name="llm_accuracy", score=0.8, passed=True, detail="stub")
+
+    artifact = ChapterArtifact(
+        chapter_id="ch3", text="x", source_uris=[], template_sections_expected=["ch3"],
+    )
+    scorer = ChapterScorer(llm_evaluators={"llm_accuracy": fake_llm})
+    report = scorer.score([artifact], source)
+    assert called.get("hit") is True
+    assert _dim(report, "llm_accuracy").score == 0.8
+
+
+# ---------- 总分聚合 + 通过判定 ----------
+
+def test_total_score_aggregation():
+    source = _source()
+    artifact = ChapterArtifact(
+        chapter_id="ch3", text="正常（出典: f.xlsx#機能一覧!C3）",
+        source_uris=["f.xlsx#機能一覧!C3"], template_sections_expected=["ch3"],
+    )
+    report = ChapterScorer().score([artifact], source)
+    assert isinstance(report, EvalReport)
+    assert 0.0 <= report.total_score <= 1.0
+    # 全部确定性维度满分 → 总分接近 1.0（仅 llm 维度默认中性 0.5）
+    assert report.total_score >= 0.8
+
+
+def test_empty_chapters_does_not_crash():
+    """空章节输入：无引用/无约束 → 确定性维度中性满分，不应抛错。"""
+    source = _source()
+    report = ChapterScorer().score([], source)
+    assert report.total_score == 1.0
+    assert report.passed is True
+
+
+# ---------- 黄金集加载 ----------
+
+def test_golden_set_load(tmp_path):
+    yaml_text = """
+cases:
+  - id: g1
+    input_ref: samples/要件定義.xlsx
+    expected_min_score: 0.7
+    note: 脱敏真实样本回归基线
+"""
+    p = tmp_path / "golden_set.yaml"
+    p.write_text(yaml_text, encoding="utf-8")
+    gs = GoldenSet.load(p)
+    assert len(gs.cases) == 1
+    assert gs.cases[0].id == "g1"
+    assert gs.cases[0].expected_min_score == 0.7
+
+
+def _dim(report: EvalReport, name: str) -> DimensionScore:
+    for d in report.dimensions:
+        if d.name == name:
+            return d
+    raise AssertionError(f"维度未找到: {name}")