Prerequisites

• I'm using the latest version
• I've read the relevant documentation
• I've searched for existing issues
• I've checked the list of known issues
• I've read the issue reproduction guide

Reproduction url

https://stackblitz.com/edit/knip-react-email-issue

Reproduction access

• I've made sure the reproduction is publicly accessible

Description of the issue

@react-email/preview-server is now deprecated and @react-email/ui is its replacement according to the migration guide.

knip marks @react-email/ui as unused and @react-email/preview-server as an unlisted dependency.