Hi Alex, I recently opened a discussion with the exact same request. Searching for alternate ideas helped me run into this thread.
I like your idea where you suggest having Agenda links point from one note to another. However, within a certain project that would mean having a flurry of links that one has to click into and back out of to get an overview of the progression of a project.
I was thinking that having the option of adding linked notes but have them appear in a “full width” mode (in an expanded mode, if you will) would resolve the issue. It would work just like attaching images - where one gets the option to simply have a link (inline), thumbnail or full width. Links could be inserted inline (as they currently are in a blue font), or be inserted in a full-width mode where one can read (-only) the linked note.
If I am able to link to meeting notes and have them be previewed inline in full-width, that’ll let the project have meaning in its own without having to click in and out. Does that sound implementable? Let me know and I would be happy to file a feature request! 