diff --git a/_AI_USAGE_LOG.md b/_AI_USAGE_LOG.md
index 3cd7e2e..e5acdb6 100644
--- a/_AI_USAGE_LOG.md
+++ b/_AI_USAGE_LOG.md
@@ -61,3 +61,4 @@
 | 2026-08-09 | 测试验证 | 一致性门禁最终评审收尾修复（Important x1 + Minor x3）：① plan 文档 Interfaces 段 L311-314「五行 LLM 行」→「四行」（与 ==4 护栏一致）；② 测试文件补尾随换行（末字节 " → \n）；③ 断言消息改「异常类存在文档未登记或来源类名失配的 error_code」（覆盖双失败场景）；④ _LLM_ROW_RE 加正则隐式限域注释。覆盖测试 4 passed；pytest 全量 132 passed 覆盖 100.00%，fail_under=99 达标 | docs/superpowers/plans/2026-08-09-error-code-consistency-test.md, tests/test_api_design_consistency.py, _AI_USAGE_LOG.md | deepseek-v4-flash-free |
 | 2026-08-09 | 架构设计 | Phase3 Word 解析优先设计（brainstorming）：范围澄清（Word 解析优先=3.1/3.2/3.6/3.7，PPT/现有系统探索后续；规则分类按来源映射零LLM；SourceAggregator 全量整合 StructuredSource；样式名级提取；方案A 三模块门面聚合）；输出设计文档 docs/superpowers/specs/2026-08-09-phase3-word-parser-design.md | docs/superpowers/specs/2026-08-09-phase3-word-parser-design.md, _AI_USAGE_LOG.md | deepseek-v4-flash-free |
 | 2026-08-09 | 架构设计 | Phase3 spec 工程完备性审阅（用户审阅关卡）：实测 samples 3 个 docx（模板7H1+占位符+1书签、记入规则全 H1+・列表、说明书纯文本+H1）；修正 P0-1 做成说明书分类 ref→write（对齐 api-design §2.2 write_instruction RAG 归类 Type A 写入规则）；P1-1 列表检测双通道（・前缀+List Bullet 样式）；P1-2 SourceParser 显式角色参数对齐 file_type 枚举；P1-3 fail_under=99 覆盖路径；统一占位符正则；新增 docx_helpers.py 测试基建 | docs/superpowers/specs/2026-08-09-phase3-word-parser-design.md, _AI_USAGE_LOG.md | deepseek-v4-flash-free |
+| 2026-08-09 | Agent 实现 | Phase3 Word 解析优先实施计划（writing-plans）：5 任务 TDD（docx_helpers 基建 / WordTemplateParser / RuleDocParser / SourceParser 门面 / 真实样本集成测试）；实证验证 python-docx 关键点（body 级遍历 Paragraph/Table 构造、书签 XML、样式提取、List Bullet 可用）；清理 Task2 占位写法；输出 docs/superpowers/plans/2026-08-09-phase3-word-parser.md | docs/superpowers/plans/2026-08-09-phase3-word-parser.md, _AI_USAGE_LOG.md | deepseek-v4-flash-free |
diff --git a/docs/superpowers/plans/2026-08-09-phase3-word-parser.md b/docs/superpowers/plans/2026-08-09-phase3-word-parser.md
new file mode 100644
index 0000000..9990128
--- /dev/null
+++ b/docs/superpowers/plans/2026-08-09-phase3-word-parser.md
@@ -0,0 +1,830 @@
+# Phase 3「Word 解析优先」实施计划
+
+> **For agentic workers:** REQUIRED SUB-SKILL: Use superpowers:subagent-driven-development (recommended) or superpowers:executing-plans to implement this plan task-by-task. Steps use checkbox (`- [ ]`) syntax for tracking.
+
+**Goal:** 实现 Word 模板解析（WordTemplateParser）、Word 规则文档 Markdown 化（RuleDocParser）与全量输入聚合（SourceParser 门面），配套单元测试与真实样本集成测试。
+
+**Architecture:** 在 `src/genesis/parsers/` 下新增 3 个扁平模块，复用 `data_models.py` 既有类型（ParsedTemplate/RuleDocument/StructuredSource），零模型改动、零新增依赖（python-docx 已装 1.2.0）。SourceParser 按 api-design `file_type` 语义显式接收角色参数（requirements/template/write_instruction/rules），按来源映射 category=write，组装 StructuredSource。
+
+**Tech Stack:** Python 3.11+ / python-docx 1.2.0 / pytest 8 / openpyxl（现有 Excel 链路）
+
+**Spec:** `docs/superpowers/specs/2026-08-09-phase3-word-parser-design.md`
+
+## Global Constraints
+
+- 覆盖率红线：`pyproject.toml` fail_under=99，新增模块需分支全覆盖（当前 132 passed / 100.00%）
+- 交流语言：所有注释、文档、断言消息、commit 消息**使用中文**
+- 不修改：`excel_parser.py`、`data_models.py`、`pyproject.toml`、任何现有测试文件
+- 零真实网络：不得引入 LLM 调用；规则分类按来源映射（零 LLM）
+- 样本定位：`Path(__file__).resolve().parents[1] / "samples"`，样本缺失 `pytest.skip`
+- 导入风格：`from tests.xxx import ...`（tests 为包，先例 test_excel_parser.py:4）
+- 提交消息前缀：`feat:`（生产实现）/ `test:`（测试）/ `docs:`（文档）
+- 提交纪律：每任务独立 commit，不混提交
+
+---
+
+### Task 1: tests/docx_helpers.py 测试基建
+
+**Files:**
+- Create: `tests/docx_helpers.py`
+- Test: 由 Task 2 开始消费（本任务无可独立测试的交付物，直接作为后续 3 个任务的公共基建）
+
+**Interfaces:**
+- Produces:
+  - `new_document() -> docx.Document` — 新建内存 Document（标题/表格/列表等由调用方自由添加）
+  - `save_document(tmp_path, doc) -> str` — 落盘到 `tmp_path/source.docx` 并返回路径字符串
+  - `make_rule_doc(tmp_path, lines: list[tuple[str, str]]) -> str` — 快捷构造规则文档：每项 (样式名或空, 文本)；`("H1", "1. 章")` → Heading 1、「"", "・リスト"」→ 普通段落（・ 前缀）。返回路径
+
+**说明：** 与现有 `tests/excel_helpers.py`（new_workbook/save_workbook）对称。python-docx 默认模板含 `List Bullet`/`Heading 1` 样式（已实证），`doc.add_paragraph(text, style=...)` 即可。
+
+- [ ] **Step 1: 新建 docx_helpers.py**
+
+```python
+from pathlib import Path
+
+from docx import Document
+
+
+def new_document() -> Document:
+    """新建内存 Word 文档（python-docx 默认模板）。"""
+    return Document()
+
+
+def save_document(tmp_path, doc: Document) -> str:
+    """落盘到 tmp_path 并返回路径字符串。"""
+    path = tmp_path / "source.docx"
+    doc.save(path)
+    return str(path)
+
+
+def make_rule_doc(tmp_path, lines: list[tuple[str, str]]) -> str:
+    """快捷构造规则文档。
+
+    lines 每项为 (样式标识, 文本)：
+      ("H1", "1. 章") / ("H2", "1.1 節") / ("H3", ...) → Heading 层级
+      ("list", "・項目") → List Bullet 样式段落
+      ("", "普通段落") → Normal 段落
+    返回落盘路径字符串。
+    """
+    doc = new_document()
+    for kind, text in lines:
+        if kind == "H1":
+            doc.add_heading(text, level=1)
+        elif kind == "H2":
+            doc.add_heading(text, level=2)
+        elif kind == "H3":
+            doc.add_heading(text, level=3)
+        elif kind == "list":
+            doc.add_paragraph(text, style="List Bullet")
+        else:
+            doc.add_paragraph(text)
+    return save_document(tmp_path, doc)
+```
+
+- [ ] **Step 2: 验证可导入**
+
+Run: `python -c "from tests.docx_helpers import new_document, save_document, make_rule_doc; print('ok')"`
+Expected: `ok`（工作目录为项目根 `D:\00_project\Genesis`）
+
+- [ ] **Step 3: 提交**
+
+```bash
+git add tests/docx_helpers.py
+git commit -m "chore: docx 测试基建（新建/落盘/规则文档快捷构造）"
+```
+
+---
+
+### Task 2: WordTemplateParser 实现
+
+**Files:**
+- Create: `src/genesis/parsers/word_template_parser.py`
+- Test: `tests/test_word_template_parser.py`
+
+**Interfaces:**
+- Consumes: `genesis.data_models.ChapterMarker` / `genesis.data_models.ParsedTemplate`
+- Produces:
+  - `class WordTemplateParser`，方法 `parse(path: str | Path) -> ParsedTemplate`
+  - 内部正则 `PLACEHOLDER_RE`：`r"\{\{([a-z][a-z0-9_]*)(?::([a-z][a-z0-9_]*))?\}\}"`（两组：group1=键名，group2=可选章节名）
+  - 行为：Heading 段落 → `ChapterMarker(type="heading", name=段落文本, level=大纲级别 1/2/3)`；`bookmarkStart` → `type="bookmark"`；匹配占位符 → `type="placeholder"`（name=`键名`（封面型）或 `键名:章节名`（section 型）），同时写入 `placeholders` 字典 `{占位符名: 段落上下文文本}`
+  - `styles`：`{"defined": [文档命名样式名...], "used": [各段落实际样式名去重]}`（样式名级，不提取字号/颜色）
+  - 空文档/无 Heading → 空 `sections`/`placeholders`，不崩溃；无法打开 → 透出 python-docx 异常
+
+- [ ] **Step 1: 写失败测试**
+
+Create `tests/test_word_template_parser.py`:
+
+```python
+from genesis.data_models import ChapterMarker, ParsedTemplate
+from genesis.parsers.word_template_parser import WordTemplateParser
+
+from tests.docx_helpers import new_document, save_document
+
+
+def test_parse_extracts_heading_levels(tmp_path):
+    doc = new_document()
+    doc.add_heading("1. はじめに", level=1)
+    doc.add_heading("2.1 画面遷移図", level=2)
+    doc.add_heading("2.1.1 詳細", level=3)
+    path = save_document(tmp_path, doc)
+
+    result = WordTemplateParser().parse(path)
+
+    assert isinstance(result, ParsedTemplate)
+    headings = [s for s in result.sections if s.type == "heading"]
+    assert [(s.name, s.level) for s in headings] == [
+        ("1. はじめに", 1),
+        ("2.1 画面遷移図", 2),
+        ("2.1.1 詳細", 3),
+    ]
+
+
+def test_parse_extracts_bookmark(tmp_path):
+    from docx.oxml.ns import qn
+    doc = new_document()
+    para = doc.add_paragraph("アンカー")
+    bm_start = para._p.makeelement(qn("w:bookmarkStart"), {qn("w:id"): "0", qn("w:name"): "template_start"})
+    para._p.insert(0, bm_start)
+    path = save_document(tmp_path, doc)
+
+    result = WordTemplateParser().parse(path)
+
+    bookmarks = [s for s in result.sections if s.type == "bookmark"]
+    assert [s.name for s in bookmarks] == ["template_start"]
+
+
+def test_parse_extracts_placeholders(tmp_path):
+    doc = new_document()
+    doc.add_paragraph("{{doc_title}}")
+    doc.add_paragraph("{{section:introduction}}")
+    doc.add_paragraph("{{section:function_list}}")
+    path = save_document(tmp_path, doc)
+
+    result = WordTemplateParser().parse(path)
+
+    assert result.placeholders == {
+        "doc_title": "{{doc_title}}",
+        "section:introduction": "{{section:introduction}}",
+        "section:function_list": "{{section:function_list}}",
+    }
+    ph = [s for s in result.sections if s.type == "placeholder"]
+    assert [s.name for s in ph] == ["doc_title", "section:introduction", "section:function_list"]
+
+
+def test_parse_invalid_placeholder_kept_as_text(tmp_path):
+    doc = new_document()
+    doc.add_paragraph("{{ invalid }}")
+    doc.add_paragraph("ただの {text}")
+    path = save_document(tmp_path, doc)
+
+    result = WordTemplateParser().parse(path)
+
+    assert result.placeholders == {}
+    assert [s for s in result.sections if s.type == "placeholder"] == []
+
+
+def test_parse_empty_document(tmp_path):
+    doc = new_document()
+    path = save_document(tmp_path, doc)
+
+    result = WordTemplateParser().parse(path)
+
+    assert result.sections == []
+    assert result.placeholders == {}
+    assert "Normal" in result.styles["defined"]
+
+
+def test_parse_styles_collected(tmp_path):
+    doc = new_document()
+    doc.add_heading("章", level=1)
+    doc.add_paragraph("本文")
+    path = save_document(tmp_path, doc)
+
+    result = WordTemplateParser().parse(path)
+
+    assert "Heading 1" in result.styles["used"]
+    assert "Normal" in result.styles["used"]
+    assert "Heading 1" in result.styles["defined"]
+```
+
+- [ ] **Step 2: 运行测试确认失败**
+
+Run: `python -m pytest tests/test_word_template_parser.py -v`
+Expected: FAIL / ERROR（`ModuleNotFoundError: No module named 'genesis.parsers.word_template_parser'`）
+
+- [ ] **Step 3: 写最小实现**
+
+Create `src/genesis/parsers/word_template_parser.py`:
+
+```python
+from __future__ import annotations
+
+import re
+from pathlib import Path
+
+from docx import Document
+from docx.oxml.ns import qn
+
+from genesis.data_models import ChapterMarker, ParsedTemplate
+
+# 统一占位符正则：{{键名}} 或 {{键名:章节名}}（spec §3.2）
+PLACEHOLDER_RE = re.compile(r"\{\{([a-z][a-z0-9_]*)(?::([a-z][a-z0-9_]*))?\}\}")
+
+
+def _heading_level(style_name: str) -> int:
+    """从 Heading N 样式名解析大纲级别；非数字兜底 1。"""
+    try:
+        return int(style_name.split()[-1])
+    except (ValueError, IndexError):
+        return 1
+
+
+class WordTemplateParser:
+    """概要设计模板 docx 解析：章构成 / 占位符 / 样式名提取。"""
+
+    def parse(self, path: str | Path) -> ParsedTemplate:
+        doc = Document(str(path))
+        sections: list[ChapterMarker] = []
+        placeholders: dict[str, str] = {}
+        used_styles: set[str] = set()
+
+        # 文档命名样式（定义集合）
+        defined = {s.name for s in doc.styles if s.name}
+
+        for para in doc.paragraphs:
+            style_name = para.style.name if para.style else "Normal"
+            used_styles.add(style_name)
+            text = para.text
+
+            if style_name.startswith("Heading"):
+                sections.append(ChapterMarker(
+                    type="heading", name=text, level=_heading_level(style_name)
+                ))
+
+            for m in PLACEHOLDER_RE.finditer(text):
+                if m.group(2):
+                    key = f"{m.group(1)}:{m.group(2)}"
+                else:
+                    key = m.group(1)
+                placeholders[key] = text
+                sections.append(ChapterMarker(type="placeholder", name=key, level=0))
+
+        # 书签：遍历 body 中全部 bookmarkStart
+        for bm in doc.element.body.iter(qn("w:bookmarkStart")):
+            name = bm.get(qn("w:name"))
+            if name:
+                sections.append(ChapterMarker(type="bookmark", name=name, level=0))
+
+        return ParsedTemplate(
+            file_name=Path(path).name,
+            sections=sections,
+            placeholders=placeholders,
+            styles={"defined": sorted(defined), "used": sorted(used_styles)},
+        )
+```
+
+- [ ] **Step 4: 运行测试确认通过**
+
+Run: `python -m pytest tests/test_word_template_parser.py -v`
+Expected: 6 passed
+
+- [ ] **Step 5: 全量回归**
+
+Run: `python -m pytest -q`
+Expected: 138 passed / 100.00%（132 基线 + 6 新增），fail_under=99 达标
+
+- [ ] **Step 6: 提交**
+
+```bash
+git add tests/test_word_template_parser.py src/genesis/parsers/word_template_parser.py
+git commit -m "feat: WordTemplateParser 章构成/占位符/样式名提取"
+```
+
+---
+
+### Task 3: RuleDocParser 实现
+
+**Files:**
+- Create: `src/genesis/parsers/rule_doc_parser.py`
+- Test: `tests/test_rule_doc_parser.py`
+
+**Interfaces:**
+- Consumes: `genesis.data_models.RuleDocument`；`tests/docx_helpers.make_rule_doc`
+- Produces:
+  - `class RuleDocParser`，方法 `parse(path: str | Path, category: str = "write") -> RuleDocument`
+  - Markdown 化：Heading N → `#`×N；`・`/`-`/`•` 前缀文本或 List Bullet/Number 样式 → `- ` 项；普通段落 → 原文；表格 → GFM（表头+分隔行+数据行）；空段 → 空行
+  - `file_type` 固定 `"word"`；`hash` = 文件内容 sha256 hex
+
+- [ ] **Step 1: 写失败测试**
+
+Create `tests/test_rule_doc_parser.py`:
+
+```python
+from genesis.data_models import RuleDocument
+from genesis.parsers.rule_doc_parser import RuleDocParser
+
+from tests.docx_helpers import make_rule_doc, new_document, save_document
+
+
+def test_parse_heading_and_bullet(tmp_path):
+    path = make_rule_doc(tmp_path, [
+        ("H1", "1. 機能一覧の書き方"),
+        ("list", "・機能ID は F001 から連番で付与する。"),
+        ("list", "・省略記号（～、…）は禁止し、正式名称を記載する。"),
+    ])
+
+    result = RuleDocParser().parse(path, category="write")
+
+    assert isinstance(result, RuleDocument)
+    assert result.category == "write"
+    assert result.file_type == "word"
+    assert result.file_name == "source.docx"
+    assert "# 1. 機能一覧の書き方" in result.markdown_content
+    assert "- 機能ID は F001 から連番で付与する。" in result.markdown_content
+    assert "- 省略記号（～、…）は禁止し、正式名称を記載する。" in result.markdown_content
+
+
+def test_parse_prefix_bullet_without_list_style(tmp_path):
+    # 真实样本的「・」前缀在 Normal 样式段落（非 List Bullet）——双通道检测
+    doc = new_document()
+    doc.add_paragraph("・表ヘッダーは太字とし、下線を付ける。")
+    path = save_document(tmp_path, doc)
+
+    result = RuleDocParser().parse(path)
+
+    assert "- 表ヘッダーは太字とし、下線を付ける。" in result.markdown_content
+
+
+def test_parse_table_to_markdown(tmp_path):
+    doc = new_document()
+    table = doc.add_table(rows=3, cols=2)
+    headers = ["項目", "規則"]
+    for c, h in enumerate(headers):
+        table.cell(0, c).text = h
+    table.cell(1, 0).text = "表ヘッダー"
+    table.cell(1, 1).text = "太字のみ"
+    table.cell(2, 0).text = "枠線"
+    table.cell(2, 1).text = "付ける"
+    path = save_document(tmp_path, doc)
+
+    result = RuleDocParser().parse(path)
+
+    lines = result.markdown_content.splitlines()
+    assert "| 項目 | 規則 |" in lines
+    assert "| --- | --- |" in lines
+    assert "| 表ヘッダー | 太字のみ |" in lines
+    assert "| 枠線 | 付ける |" in lines
+
+
+def test_parse_empty_document(tmp_path):
+    doc = new_document()
+    path = save_document(tmp_path, doc)
+
+    result = RuleDocParser().parse(path)
+
+    assert result.markdown_content == ""
+
+
+def test_parse_hash_stable_and_sha256(tmp_path):
+    path = make_rule_doc(tmp_path, [("H1", "章"), ("", "本文")])
+
+    r1 = RuleDocParser().parse(path)
+    r2 = RuleDocParser().parse(path)
+
+    assert r1.hash == r2.hash
+    assert len(r1.hash) == 64  # sha256 hex
+
+
+def test_parse_design_category(tmp_path):
+    path = make_rule_doc(tmp_path, [("H1", "アーキテクチャ制約")])
+
+    result = RuleDocParser().parse(path, category="design")
+
+    assert result.category == "design"
+```
+
+- [ ] **Step 2: 运行测试确认失败**
+
+Run: `python -m pytest tests/test_rule_doc_parser.py -v`
+Expected: FAIL / ERROR（`ModuleNotFoundError: No module named 'genesis.parsers.rule_doc_parser'`）
+
+- [ ] **Step 3: 写最小实现**
+
+Create `src/genesis/parsers/rule_doc_parser.py`:
+
+```python
+from __future__ import annotations
+
+import hashlib
+from pathlib import Path
+
+from docx import Document
+from docx.oxml.ns import qn
+
+from genesis.data_models import RuleDocument
+
+# 列表项前缀（真实样本为 Normal 样式 + ・ 前缀，样式名通道不足以命中）
+LIST_PREFIXES = ("・", "-", "•")
+
+
+def _heading_level(style_name: str) -> int:
+    try:
+        return int(style_name.split()[-1])
+    except (ValueError, IndexError):
+        return 1
+
+
+def _is_list_item(text: str, style_name: str) -> bool:
+    """双通道列表检测：List 样式或文本前缀（spec §3.3）。"""
+    if "List" in style_name:
+        return True
+    return text.startswith(LIST_PREFIXES)
+
+
+def _table_to_markdown(table) -> list[str]:
+    """docx 表格 → GFM 表格行。"""
+    lines: list[str] = []
+    for r_idx, row in enumerate(table.rows):
+        cells = [cell.text.replace("|", "\\|").strip() for cell in row.cells]
+        lines.append("| " + " | ".join(cells) + " |")
+        if r_idx == 0:
+            lines.append("| " + " | ".join(["---"] * len(cells)) + " |")
+    return lines
+
+
+class RuleDocParser:
+    """规则文档 docx 解析：Markdown 化 + 分类。"""
+
+    def parse(self, path: str | Path, category: str = "write") -> RuleDocument:
+        doc = Document(str(path))
+        md: list[str] = []
+
+        # 按文档顺序遍历段落与表格（body 级子元素）
+        for child in doc.element.body.iterchildren():
+            tag = child.tag
+            if tag == qn("w:p"):
+                from docx.text.paragraph import Paragraph
+                para = Paragraph(child, doc)
+                text = para.text
+                style_name = para.style.name if para.style else "Normal"
+                stripped = text.strip()
+                if not stripped:
+                    md.append("")
+                elif style_name.startswith("Heading"):
+                    md.append("#" * _heading_level(style_name) + " " + stripped)
+                elif _is_list_item(stripped, style_name):
+                    md.append("- " + stripped.lstrip("・-•").strip())
+                else:
+                    md.append(stripped)
+            elif tag == qn("w:tbl"):
+                from docx.table import Table
+                md.extend(_table_to_markdown(Table(child, doc)))
+                md.append("")
+
+        content = "\n".join(md).strip()
+        return RuleDocument(
+            file_name=Path(path).name,
+            category=category,
+            markdown_content=content,
+            source_path=str(path),
+            file_type="word",
+            hash=hashlib.sha256(Path(path).read_bytes()).hexdigest(),
+        )
+```
+
+> 说明：`Paragraph(child, doc)` / `Table(child, doc)` 的第二个参数（parent）只需提供 `.part` 属性；`Document` 实例满足，实测可用。若实现中直接从 `doc.paragraphs` + `doc.tables` 读取，将丢失**文档内交错顺序**（段落/表格混排），故用 body 级遍历保证顺序正确。
+
+- [ ] **Step 4: 运行测试确认通过**
+
+Run: `python -m pytest tests/test_rule_doc_parser.py -v`
+Expected: 6 passed
+
+- [ ] **Step 5: 全量回归**
+
+Run: `python -m pytest -q`
+Expected: 144 passed / 100.00%（138 + 6 新增），fail_under=99 达标
+
+- [ ] **Step 6: 提交**
+
+```bash
+git add tests/test_rule_doc_parser.py src/genesis/parsers/rule_doc_parser.py
+git commit -m "feat: RuleDocParser 规则文档 Markdown 化与分类"
+```
+
+---
+
+### Task 4: SourceParser 门面实现
+
+**Files:**
+- Create: `src/genesis/parsers/source_aggregator.py`
+- Test: `tests/test_source_aggregator.py`
+
+**Interfaces:**
+- Consumes: `genesis.parsers.excel_parser.ExcelParser`（现有）、`genesis.parsers.word_template_parser.WordTemplateParser`（Task 2）、`genesis.parsers.rule_doc_parser.RuleDocParser`（Task 3）；`genesis.data_models.StructuredSource`
+- Produces:
+  - `class SourceParser`，方法 `parse(requirement_paths: list[str | Path] | None = None, template_path: str | Path | None = None, write_instruction_paths: list[str | Path] | None = None, rule_paths: list[str | Path] | None = None) -> StructuredSource`
+  - 角色→解析器：`.xlsx`（requirements）→ ExcelParser → tables/comments；`template_path` → WordTemplateParser；`write_instruction_paths`/`rule_paths`（仅 .docx）→ RuleDocParser(category="write")
+  - 错误：文件不存在 → `FileNotFoundError`；未知扩展名 → `ValueError("不支持的文件类型: ...")`
+  - `image_analyses=[]`、`existing_system=None` 固定（本轮无来源）
+
+- [ ] **Step 1: 写失败测试**
+
+Create `tests/test_source_aggregator.py`:
+
+```python
+import pytest
+
+from genesis.data_models import StructuredSource
+from genesis.parsers.source_aggregator import SourceParser
+
+from tests.docx_helpers import make_rule_doc, new_document, save_document
+from tests.excel_helpers import new_workbook, save_workbook
+
+
+def _xlsx(tmp_path, name: str = "source.xlsx") -> str:
+    wb = new_workbook({"機能一覧": [["機能ID", "機能名"], ["A001", "社員登録"]]})
+    path = tmp_path / name
+    wb.save(path)
+    return str(path)
+
+
+def test_parse_full_assembly(tmp_path):
+    xlsx = _xlsx(tmp_path)
+    template = save_document(tmp_path, new_document())
+    rule = make_rule_doc(tmp_path, [("H1", "1. 機能一覧の書き方")])
+    instr = make_rule_doc(tmp_path, [("H1", "2. 機能一覧の作成手順")])
+
+    result = SourceParser().parse(
+        requirement_paths=[xlsx],
+        template_path=template,
+        write_instruction_paths=[instr],
+        rule_paths=[rule],
+    )
+
+    assert isinstance(result, StructuredSource)
+    assert len(result.tables) == 1
+    assert result.template is not None
+    assert result.template.file_name == "source.docx"
+    assert len(result.rule_docs) == 2
+    assert all(r.category == "write" for r in result.rule_docs)
+    assert result.image_analyses == []
+    assert result.existing_system is None
+
+
+def test_parse_without_template_and_rules(tmp_path):
+    xlsx = _xlsx(tmp_path)
+
+    result = SourceParser().parse(requirement_paths=[xlsx])
+
+    assert len(result.tables) == 1
+    assert result.template is None
+    assert result.rule_docs == []
+
+
+def test_parse_missing_requirement_file(tmp_path):
+    with pytest.raises(FileNotFoundError):
+        SourceParser().parse(requirement_paths=[tmp_path / "missing.xlsx"])
+
+
+def test_parse_missing_template_file(tmp_path):
+    xlsx = _xlsx(tmp_path)
+    with pytest.raises(FileNotFoundError):
+        SourceParser().parse(requirement_paths=[xlsx], template_path=tmp_path / "missing.docx")
+
+
+def test_parse_unknown_extension_in_requirements(tmp_path):
+    bad = tmp_path / "note.txt"
+    bad.write_text("hello", encoding="utf-8")
+    with pytest.raises(ValueError, match="不支持的文件类型"):
+        SourceParser().parse(requirement_paths=[bad])
+
+
+def test_parse_unknown_extension_in_rules(tmp_path):
+    bad = tmp_path / "note.txt"
+    bad.write_text("hello", encoding="utf-8")
+    with pytest.raises(ValueError, match="不支持的文件类型"):
+        SourceParser().parse(rule_paths=[bad])
+```
+
+- [ ] **Step 2: 运行测试确认失败**
+
+Run: `python -m pytest tests/test_source_aggregator.py -v`
+Expected: FAIL / ERROR（`ModuleNotFoundError: No module named 'genesis.parsers.source_aggregator'`）
+
+- [ ] **Step 3: 写最小实现**
+
+Create `src/genesis/parsers/source_aggregator.py`:
+
+```python
+from __future__ import annotations
+
+from pathlib import Path
+
+from genesis.data_models import StructuredSource
+from genesis.parsers.excel_parser import ExcelParser
+from genesis.parsers.rule_doc_parser import RuleDocParser
+from genesis.parsers.word_template_parser import WordTemplateParser
+
+XLSX_EXTS = (".xlsx", ".xls")
+DOCX_EXT = ".docx"
+
+
+class SourceParser:
+    """全量输入门面：Excel 要件定义 + Word 模板 + Word 规则 → StructuredSource。
+
+    角色由调用方按 api-design file_type 语义显式传入（requirements/template/
+    write_instruction/rules），不做基于文件名的隐式猜测（spec §3.4）。
+    """
+
+    def __init__(self) -> None:
+        self._excel = ExcelParser()
+
+    def parse(
+        self,
+        requirement_paths: list[str | Path] | None = None,
+        template_path: str | Path | None = None,
+        write_instruction_paths: list[str | Path] | None = None,
+        rule_paths: list[str | Path] | None = None,
+    ) -> StructuredSource:
+        requirement_paths = requirement_paths or []
+        write_instruction_paths = write_instruction_paths or []
+        rule_paths = rule_paths or []
+
+        tables = []
+        comments = []
+        for p in requirement_paths:
+            path = Path(p)
+            if path.suffix.lower() not in XLSX_EXTS:
+                raise ValueError(f"不支持的文件类型: {path.suffix or '(无扩展名)'}")
+            if not path.exists():
+                raise FileNotFoundError(str(p))
+            result = self._excel.parse(path)
+            tables.extend(result.tables)
+            comments.extend(result.comments)
+
+        template = None
+        if template_path is not None:
+            tpath = Path(template_path)
+            if tpath.suffix.lower() != DOCX_EXT:
+                raise ValueError(f"不支持的文件类型: {tpath.suffix or '(无扩展名)'}")
+            if not tpath.exists():
+                raise FileNotFoundError(str(template_path))
+            template = WordTemplateParser().parse(tpath)
+
+        rule_docs = []
+        for p in [*write_instruction_paths, *rule_paths]:
+            path = Path(p)
+            if path.suffix.lower() != DOCX_EXT:
+                raise ValueError(f"不支持的文件类型: {path.suffix or '(无扩展名)'}")
+            if not path.exists():
+                raise FileNotFoundError(str(p))
+            # 做成说明书与记入规则均为 Type A 写入规则 → write（api-design §2.2）
+            rule_docs.append(RuleDocParser().parse(path, category="write"))
+
+        return StructuredSource(
+            tables=tables,
+            template=template,
+            rule_docs=rule_docs,
+            image_analyses=[],
+            existing_system=None,
+            comments=comments,
+        )
+```
+
+- [ ] **Step 4: 运行测试确认通过**
+
+Run: `python -m pytest tests/test_source_aggregator.py -v`
+Expected: 6 passed
+
+- [ ] **Step 5: 全量回归**
+
+Run: `python -m pytest -q`
+Expected: 150 passed / 100.00%（144 + 6 新增），fail_under=99 达标
+
+- [ ] **Step 6: 提交**
+
+```bash
+git add tests/test_source_aggregator.py src/genesis/parsers/source_aggregator.py
+git commit -m "feat: SourceParser 门面全量输入聚合 StructuredSource"
+```
+
+---
+
+### Task 5: 真实样本集成测试（test_real_samples.py 扩展）
+
+**Files:**
+- Modify: `tests/test_real_samples.py`（追加 3 个 Word 样本用例 + 1 个全量组装用例；不删改现有 Excel 用例）
+
+**Interfaces:**
+- Consumes: `WordTemplateParser`（Task 2）、`RuleDocParser`（Task 3）、`SourceParser`（Task 4）；`SAMPLES = Path(__file__).resolve().parents[1] / "samples"`（现有）
+- Produces: 真实样本验证——模板 7 个 H1 + 占位符 + 1 书签；记入规则 category=write markdown；说明书画属 write；全量组装双向字段
+
+- [ ] **Step 1: 追加测试用例**
+
+Append to `tests/test_real_samples.py`（保留现有 4 个 Excel 用例）：
+
+```python
+from genesis.parsers.word_template_parser import WordTemplateParser
+from genesis.parsers.rule_doc_parser import RuleDocParser
+from genesis.parsers.source_aggregator import SourceParser
+
+
+def _d(name: str) -> Path:
+    return SAMPLES / name
+
+
+def test_word_template_sample_chapters_and_placeholders():
+    p = _d("概要設計書テンプレート.docx")
+    if not p.exists():
+        pytest.skip("样本缺失")
+    result = WordTemplateParser().parse(p)
+    headings = [s for s in result.sections if s.type == "heading"]
+    h1 = [h for h in headings if h.level == 1]
+    assert len(h1) == 7
+    assert h1[0].name == "1. はじめに"
+    assert h1[-1].name == "7. バッチ一覧"
+    assert "section:introduction" in result.placeholders
+    assert "doc_title" in result.placeholders
+    bookmarks = [s for s in result.sections if s.type == "bookmark"]
+    assert len(bookmarks) == 1
+    assert bookmarks[0].name == "template_start"
+
+
+def test_rule_doc_sample_markdown_and_category():
+    p = _d("記入規則.docx")
+    if not p.exists():
+        pytest.skip("样本缺失")
+    result = RuleDocParser().parse(p, category="write")
+    assert result.category == "write"
+    assert result.file_type == "word"
+    assert "# 1. 機能一覧の書き方" in result.markdown_content
+    assert "- 機能ID は F001 から連番で付与する。" in result.markdown_content
+
+
+def test_write_instruction_sample_category_write():
+    p = _d("概要設計做成説明書.docx")
+    if not p.exists():
+        pytest.skip("样本缺失")
+    result = RuleDocParser().parse(p, category="write")
+    assert result.category == "write"
+    assert "# 2. 機能一覧" in result.markdown_content
+
+
+def test_source_parser_full_sample_assembly():
+    xlsx = _x("要件定義_新規開発.xlsx")
+    template = _d("概要設計書テンプレート.docx")
+    rule = _d("記入規則.docx")
+    instr = _d("概要設計做成説明書.docx")
+    if not all(p.exists() for p in [xlsx, template, rule, instr]):
+        pytest.skip("样本缺失")
+    result = SourceParser().parse(
+        requirement_paths=[xlsx],
+        template_path=template,
+        write_instruction_paths=[instr],
+        rule_paths=[rule],
+    )
+    assert result.tables
+    assert result.template is not None
+    assert len(result.rule_docs) == 2
+    assert all(r.category == "write" for r in result.rule_docs)
+```
+
+- [ ] **Step 2: 运行测试确认通过**
+
+Run: `python -m pytest tests/test_real_samples.py -v`
+Expected: 8 passed（现有 4 Excel + 新增 4 Word）
+
+- [ ] **Step 3: 全量回归（红线验证）**
+
+Run: `python -m pytest -q`
+Expected: 154 passed / 100.00%（150 + 4 新增），fail_under=99 达标
+
+- [ ] **Step 4: 提交**
+
+```bash
+git add tests/test_real_samples.py
+git commit -m "test: 真实样本 Word 解析集成测试（模板/规则/说明书画属write）"
+```
+
+---
+
+## Self-Review 对照
+
+**Spec 覆盖：**
+- §3.2 WordTemplateParser（章构成/占位符/书签/样式名）→ Task 2
+- §3.3 RuleDocParser（Markdown 化 / 双通道列表 / hash / category）→ Task 3
+- §3.4 SourceParser 门面（显式角色参数 / 扩展名路由 / 错误处理）→ Task 4
+- §3.5 数据流（Excel→tables、模板→template、规则→rule_docs）→ Task 4 全量组装测试 + Task 5 真实样本组装
+- §5 验收标准 1/2/3/4 → Task 2-5；验收标准 5（手工破坏）→ 可选不落自动化
+- spec §4 测试基建 docx_helpers → Task 1
+
+**占位符扫描：** 全部步骤含完整代码与精确命令，无 TBD/「后续处理」/「类似上文」等占位。
+
+**类型一致性：**
+- `WordTemplateParser.parse(path) -> ParsedTemplate` 在 Task 2 定义，Task 4/5 引用同名同型
+- `RuleDocParser.parse(path, category="write") -> RuleDocument` 在 Task 3 定义，Task 4 传 `category="write"`、Task 5 传显式
+- `SourceParser.parse(requirement_paths, template_path, write_instruction_paths, rule_paths) -> StructuredSource` Task 4 定义，Task 5 引用
+- `docx_helpers.make_rule_doc(tmp_path, lines)` 在 Task 1 定义，Task 3/4/5 引用
+- `ExcelParser().parse()` 返回 `.tables/.comments`（现有，test_excel_parser.py 先例）
+
+**预期提交数：** 5 个（Task 1-5 各 1）
\ No newline at end of file