is there a reason that you decided (or were not able to) have the markdown text for the Agenda note and a callback link to the Agenda note in the notes field of the reminder in the Reminders app or the option to do so?
Just to be clear, we do insert an Agenda link into the notes field of calendar events (and will also for reminders), this so it’s easy to go from Calendar/Reminders to Agenda. We choose the notes field as events and reminders only support a single URL, which means that we would other wise override the URL you might already have.
Also, we do not insert the markdown text for the Agenda note into the notes field of the calendar event (and also won’t for reminders), this is because these events and reminders might be shared with other people, and as such it would become very easy to unintentionally share your notes with other people. Imagine your boss reading your comments on the meeting about your salary expectations…