Use the citar-denote package for bibliography notes

Peter Prevos has produced the citar-denote package which makes it possible to write notes on BibTeX entries with the help of the citar package. These notes have the citation’s unique key associated with them in the file’s front matter. They also get a configurable keyword in their file name, making it easy to find them in Dired and/or retrieve them with the various Denote methods.

With citar-denote, the user leverages standard minibuffer completion mechanisms (e.g. with the help of the vertico and embark packages) to manage bibliographic notes and access those notes with ease. The package’s documentation covers the details: https://lucidmanager.org/productivity/bibliographic-notes-in-emacs-with-citar-denote/.