fix(writer): 防静默丢章告警 + 占位符正则宽容化（大小写/全角冒号）

tests/test_docx_injector.py

@@ -48,6 +48,28 @@ def test_section_placeholder_replaced(tmp_path):
     assert "以下がDB表定义です。" in full_text
 
 
+def test_section_placeholder_case_insensitive(tmp_path):
+    # 宽容：docx 中锚点为 {{Section:id}}（大写键）也能注入
+    tpl = _make_template(tmp_path, "{{Section:db_design}}")
+    inj = DocxInjector(tpl)
+    out = inj.inject({"db_design": _section_blocks()}, {"doc_title": "概要設計書"})
+
+    full_text = "\n".join(p.text for p in out.paragraphs)
+    assert "{{Section:db_design}}" not in full_text
+    assert "3.1 テーブル一覧" in full_text
+
+
+def test_section_placeholder_fullwidth_colon(tmp_path):
+    # 宽容：docx 中锚点为 {{section：id}}（全角冒号）也能注入
+    tpl = _make_template(tmp_path, "{{section：db_design}}")
+    inj = DocxInjector(tpl)
+    out = inj.inject({"db_design": _section_blocks()}, {"doc_title": "概要設計書"})
+
+    full_text = "\n".join(p.text for p in out.paragraphs)
+    assert "{{section：db_design}}" not in full_text
+    assert "3.1 テーブル一覧" in full_text
+
+
 # ---------- 行内占位符替换 ----------
 
 def test_inline_meta_replaced(tmp_path):

tests/test_phase5_template_mapper.py

@@ -30,3 +30,15 @@ def test_map_template_falls_back_without_placeholder():
     specs = map_template(parsed)
     assert specs[0].chapter_id == "chapter_1"
     assert specs[0].section_placeholder is None
+
+
+def test_map_template_section_re_case_insensitive():
+    # 宽容：占位符键名大小写不敏感（解析端已归一，防御性双保险）
+    sections = [
+        ChapterMarker(type="heading", name="画面一覧", level=1),
+        ChapterMarker(type="placeholder", name="Section:2", level=0),
+    ]
+    parsed = ParsedTemplate(file_name="t.docx", sections=sections, placeholders={}, styles={})
+    specs = map_template(parsed)
+    assert specs[0].chapter_id == "2"
+    assert specs[0].section_placeholder == "Section:2"

tests/test_phase5_writer_orchestrator.py

@@ -83,3 +83,28 @@ def test_generate_delegates_to_factory_when_engine_none(monkeypatch, tmp_path):
     assert len(contents) == 1
     loaded = Document(str(out))
     assert "自动生成的内容" in "\n".join(p.text for p in loaded.paragraphs)
+
+
+def test_generate_warns_on_unanchored_heading(tmp_path, caplog):
+    # 防静默丢章：无 {{section:id}} 锚点的章 → 打 WARNING 并列出章名
+    tpl = tmp_path / "tpl.docx"
+    out = tmp_path / "out.docx"
+    doc = Document()
+    doc.add_paragraph("附録", style="Heading 1")
+    doc.save(str(tpl))
+    parsed = ParsedTemplate(
+        file_name=str(tpl),
+        sections=[ChapterMarker(type="heading", name="附録", level=1)],
+        placeholders={},
+        styles={"defined": ["Heading 1"], "used": ["Heading 1"]},
+    )
+    orch = WriteOrchestrator()
+    with caplog.at_level("WARNING", logger="genesis.writer.orchestrator"):
+        orch.generate(
+            SimpleNamespace(template=parsed),
+            str(out),
+            samples_dir="nonexistent_dir_xyz",
+            engine=FakeEngine(),
+            template_path=str(tpl),
+        )
+    assert any("附録" in r.message for r in caplog.records)

tests/test_word_template_parser.py

@@ -104,3 +104,29 @@ def test_parse_styles_collected(tmp_path):
     assert "Heading 1" in result.styles["used"]
     assert "Normal" in result.styles["used"]
     assert "Heading 1" in result.styles["defined"]
+
+
+def test_parse_extracts_placeholder_case_insensitive(tmp_path):
+    # 宽容：键名大小写不敏感 → 归一为小写 section:id
+    doc = new_document()
+    doc.add_paragraph("{{Section:2}}")
+    path = save_document(tmp_path, doc)
+
+    result = WordTemplateParser().parse(path)
+
+    assert result.placeholders == {"section:2": "{{Section:2}}"}
+    ph = [s for s in result.sections if s.type == "placeholder"]
+    assert [s.name for s in ph] == ["section:2"]
+
+
+def test_parse_extracts_placeholder_fullwidth_colon(tmp_path):
+    # 宽容：全角冒号（：）也视为分隔符 → 归一为半角 section:id
+    doc = new_document()
+    doc.add_paragraph("{{section：2}}")
+    path = save_document(tmp_path, doc)
+
+    result = WordTemplateParser().parse(path)
+
+    assert result.placeholders == {"section:2": "{{section：2}}"}
+    ph = [s for s in result.sections if s.type == "placeholder"]
+    assert [s.name for s in ph] == ["section:2"]