Badge hover preview - link

When a user hovers over the link badge on a draft comment they should see a list of links in the comment. It should contain


- Link text and url `[text](url)`
- Social preview favicon, site name, and title

Kinda like this

<img width="607" height="114" alt="Image" src="https://github.com/user-attachments/assets/faa0b215-36f9-444e-827b-ceeb04186244" />