fix: enable disabling of safeHTML in Swagger middleware documentation (#1532)

Author: rogerogers

content/en/docs/hertz/tutorials/third-party/middleware/swagger.md

@@ -4,6 +4,7 @@ date: 2025-12-04
 weight: 8
 keywords: ["Swagger", "RESTful API"]
 description: "Generate RESTful API documentation with the official Swagger toolchain and HTTP adaptor."
+disableSafeHTML: true
 ---
 
 > **⚠️ Deprecated**

content/zh/docs/hertz/tutorials/third-party/middleware/swagger.md

@@ -4,6 +4,7 @@ date: 2025-12-04
 weight: 8
 keywords: ["Swagger", "RESTful API"]
 description: "使用官方 Swagger 工具链和 HTTP Adaptor 生成 RESTful API 文档"
+disableSafeHTML: true
 ---
 
 > **⚠️ 已废弃**

layouts/partials/copy-to-llm.html

@@ -24,4 +24,5 @@
 </div>
 
 {{/* Embed raw markdown for copy-as-markdown */}}
-<script id="copy-fulltext-markdown" type="text/plain">{{ .RawContent | safeHTML }}</script>
+{{/* Allow front matter to disable safeHTML for XSS safety */}}
+<script id="copy-fulltext-markdown" type="text/plain">{{ if .Params.disableSafeHTML }}{{ .RawContent }}{{ else }}{{ .RawContent | safeHTML }}{{ end }}</script>