I'm used to being able to do this in Visual Studio for code, and I think it would be a useful feature for Ink.
I would find it useful to be able to right click a hyperlink (ie. a knot, stitch or gather point name), and, in addition to the regular right-click options, have a dropdown entry labelled "Go to definition" and another labelled "See all references". The first would just take me to the location of that actual knot, stitch or gather. The second would show me a list of all the lines in the Ink project that refer to this thing. (ie. if the knot I'm interested in is called "My_knot", it would list all the lines with "-> My_knot", "-> My_knot ->" or "<- My_knot").
This would allow writers to jump around the story more quickly, and more easily edit sections of script that the player can reach from multiple different places.