pan-imaging recommends sextractor. In Debian 12, this is a
transitional package depending on source-extractor. In Debian Testing,
that transitional package no longer exists so please recommend
source-extractor directly.

I believe Debian Policy § 2.2.1 forbids packages in main from having a
Recommends for packages that are not also in main.

https://www.debian.org/doc/debian-policy/ch-archive.html#the-main-archive-area

Thank you,
Jeremy Bícha