One piece of feedback that would make or break this tool for me: I would love to see better keyboard interactions. In my ideal version of this, quick search would pull up on some keybind, and then once I search for something, I would be able to use my arrow keys to scroll down the list of results without clicking.
For me this is basically getting at what I think is _the_ killer feature for an app like this: super-efficient navigation/search. Mouse interactions are simply too slow for me to incorporate them into live DMing.