From 3a58d6dc60914baeab0612abb043b56690bc7739 Mon Sep 17 00:00:00 2001
From: Daniel <845765@qq.com>
Date: Tue, 2 Dec 2025 17:37:31 +0800
Subject: [PATCH] :art: Import the YAML at the beginning of the Markdown as a
 code block https://github.com/siyuan-note/siyuan/issues/16488

Signed-off-by: Daniel <845765@qq.com>
---
 kernel/model/box.go | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/kernel/model/box.go b/kernel/model/box.go
index 0f4edfb8b..d6ca8147c 100644
--- a/kernel/model/box.go
+++ b/kernel/model/box.go
@@ -650,6 +650,21 @@ func normalizeTree(tree *parse.Tree) (yfmRootID, yfmTitle, yfmUpdated string) {
 
 				tree.Root.SetIALAttr("custom-"+attrK, fmt.Sprint(attrV))
 			}
+
+			// Import the YAML at the beginning of the Markdown as a code block https://github.com/siyuan-note/siyuan/issues/16488
+			codeBlock := &ast.Node{Type: ast.NodeCodeBlock}
+			openMarker := &ast.Node{Type: ast.NodeCodeBlockFenceOpenMarker, Tokens: []byte("```"), CodeBlockFenceLen: 3}
+			codeBlock.AppendChild(openMarker)
+			info := &ast.Node{Type: ast.NodeCodeBlockFenceInfoMarker, CodeBlockInfo: []byte("yaml")}
+			codeBlock.AppendChild(info)
+			content := []byte("---\n")
+			content = append(content, n.Tokens...)
+			content = append(content, []byte("\n---")...)
+			code := &ast.Node{Type: ast.NodeCodeBlockCode, Tokens: content}
+			codeBlock.AppendChild(code)
+			closeMarker := &ast.Node{Type: ast.NodeCodeBlockFenceCloseMarker, Tokens: []byte("```"), CodeBlockFenceLen: 3}
+			codeBlock.AppendChild(closeMarker)
+			tree.Root.PrependChild(codeBlock)
 		}
 
 		if ast.NodeYamlFrontMatter == n.Type {