feat(writer): add renderer (ChapterContent -> DocxInjector.Block)

tests/test_docx_injector.py

@@ -87,3 +87,11 @@ def test_original_content_style_preserved(tmp_path):
 
     # 模板原有段落（尾部固定内容）在注入后仍存在且未被破坏
     assert any("尾部固定内容" in p.text for p in out.paragraphs)
+
+
+# ---------- Block 支持 table/list/note 等 kind（renderer 依赖） ----------
+
+def test_block_accepts_table_list_note():
+    assert Block(kind="table", text="t", rows=[["x"]]).kind == "table"
+    assert Block(kind="list", text="a\nb").kind == "list"
+    assert Block(kind="note", text="n").kind == "note"