I don't think, that it should be too extensive or complicated.The login data is saved in an JSON file apart from the passwords.This logins.json is updated by passwordmgr / passwordstorage.sys.mjs.One could add some new field-keys like 'description' o...
about:logins - optional personal labels
It would be great, if users could add an optional personal label, hint or remark to the saved access data that shows up, with the autofill usernames at login forms.
Thanks for all your great work you've done!