Show page graph view in left sidebar to easily access linked pages. In this way, users can easily find potential unlinked page and link them.
This is a productive way to orgniza knowleage.
Just looks like Obsidian like this:
There is something like this already in Logseq. It is in the right side bar - click right side bar and then page graph. I find this is better than on the left sidebar as there is less clutter