From 077d6279532ba96d2dcf14eaf7f6d786e1b39b50 Mon Sep 17 00:00:00 2001
From: sayThQ199 <18852951350@163.com>
Date: Tue, 3 Jun 2025 18:56:09 +0800
Subject: [PATCH] fix: ensure newlines around think tags for proper markdown
 rendering (#20594)

---
 web/app/components/base/markdown/markdown-utils.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/web/app/components/base/markdown/markdown-utils.ts b/web/app/components/base/markdown/markdown-utils.ts
index ff7dd5db01..d77b2ddccf 100644
--- a/web/app/components/base/markdown/markdown-utils.ts
+++ b/web/app/components/base/markdown/markdown-utils.ts
@@ -33,5 +33,6 @@ export const preprocessThinkTag = (content: string) => {
   return flow([
     (str: string) => str.replace(thinkOpenTagRegex, '<details data-think=true>\n'),
     (str: string) => str.replace(thinkCloseTagRegex, '\n[ENDTHINKFLAG]</details>'),
+    (str: string) => str.replace(/(<\/details>)(?![^\S\r\n]*[\r\n])(?![^\S\r\n]*$)/g, '$1\n'),
   ])(content)
 }