diff --git a/src/genesis/writer/renderer.py b/src/genesis/writer/renderer.py
new file mode 100644
index 0000000..27bb670
--- /dev/null
+++ b/src/genesis/writer/renderer.py
@@ -0,0 +1,25 @@
+"""渲染：ChapterContent 的 ContentBlock 序列 → DocxInjector.Block 序列（Phase 5）。
+
+字段塌缩（外视 #6）：table.headers/caption、list.items/style 在渲染时显式丢弃，
+仅保留 DocxInjector.Block 支持的 (kind, text, level, rows)。
+"""
+from __future__ import annotations
+
+from genesis.writer.docx_injector import Block
+from genesis.writer.models import ChapterContent
+
+
+def render_chapter_blocks(content: ChapterContent) -> list[Block]:
+    out: list[Block] = []
+    for b in content.blocks:
+        if b.type == "heading":
+            out.append(Block(kind="heading", text=b.text or b.caption or "", level=b.level or 1))
+        elif b.type == "table":
+            out.append(Block(kind="table", text=b.caption or "", rows=b.rows or []))
+        elif b.type == "list":
+            out.append(Block(kind="list", text="\n".join(b.items or [])))
+        elif b.type == "note":
+            out.append(Block(kind="note", text=b.text or b.caption or ""))
+        else:  # paragraph 及未知类型
+            out.append(Block(kind="paragraph", text=b.text or b.caption or ""))
+    return out
diff --git a/tests/test_docx_injector.py b/tests/test_docx_injector.py
index 3b17471..bc9c748 100644
--- a/tests/test_docx_injector.py
+++ b/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"
diff --git a/tests/test_phase5_renderer.py b/tests/test_phase5_renderer.py
new file mode 100644
index 0000000..c6545d9
--- /dev/null
+++ b/tests/test_phase5_renderer.py
@@ -0,0 +1,25 @@
+from genesis.writer.renderer import render_chapter_blocks
+from genesis.writer.models import ChapterContent, ContentBlock
+
+
+def _content():
+    blocks = [
+        ContentBlock(block_id="1", type="heading", level=2, text="小節"),
+        ContentBlock(block_id="2", type="paragraph", text="正文"),
+        ContentBlock(block_id="3", type="table", caption="表1", rows=[["a", "b"], ["1", "2"]]),
+        ContentBlock(block_id="4", type="list", items=["項目一", "項目二"]),
+        ContentBlock(block_id="5", type="note", text="注意"),
+    ]
+    return ChapterContent(chapter_id="db_design", version=1, title="DB 設計", blocks=blocks)
+
+
+def test_render_maps_all_block_types():
+    out = render_chapter_blocks(_content())
+    kinds = [b.kind for b in out]
+    assert kinds == ["heading", "paragraph", "table", "list", "note"]
+    # 表：rows 透传
+    table = out[2]
+    assert table.kind == "table"
+    assert table.rows == [["a", "b"], ["1", "2"]]
+    # 列表：items 拼接进 text
+    assert "項目一" in out[3].text and "項目二" in out[3].text