But the phrase "I’m aware of pass and tried it before I came to this setup, but I want to put more info than just a password string in my files, so that’s why pass doesn’t fit my need." is simply incorrect.

Almost all my passwords in "pass" also have "url" and "login" fields defined. Many have additional fields including the passphrases for authenticators. I've got a pass file with all my credit card and bank information (in case I lose my wallet while traveling) and another with all the bonus programs I belong to.