TanStack Router docs site freezes after every search

Which project does this relate to?

Router

Describe the bug

After performing an AI powered search on the docs site, and dismissing the search dialog, the site locks up and the browser enters a frozen state.

Complete minimal reproducer

https://tanstack.com/router/latest

Steps to Reproduce the Bug

1. Open search
2. Perform an AI search on a query
3. Dismiss the search dialog

The issue occurs reliably, on every search attempt. It occurs if you dismiss the dialog while the AI is generating, and also if you wait for the AI to fully complete before dismissing it.

Expected behavior

Normal site functionality after performing a search

Screenshots or Videos

Drag and drop is broken with firefox + wayland in arch linux, so I can't upload the file at the moment. Here's a link to the video uploaded to the TanStack Discord server

https://cdn.discordapp.com/attachments/1007702008448426065/1515350494678225026/2026-06-13_06-42-12.mp4?ex=6a2eaf9f&is=6a2d5e1f&hm=7fcc2837ecc992c2962444f1db6d742914bf86919b689cf1fe3c8a67a655761e&

Platform

• Router / Start Version: Unknown / Docs site
• OS: Arch Linux
• Browser: Firefox
• Browser Version: 151.0.4
• Bundler: Unknown / vite?
• Bundler Version: Unknown

Additional context

No response

https://tanstack.com/router/latest から開始し、AI検索を実行して、生成中と生成後の両方でダイアログを閉じることでフリーズを再現します。ドキュメントサイトの検索ダイアログを閉じるフローをフロントエンドで追跡し、どちらのフローの後でもサイトの通常の機能が引き続き応答することを確認します。