This is definitely a neat effort.
I started JSON dumping feature flags at work on a regular basis, so that is my main tool for scrubbing through & seeing what happened.
The ability to keep building really neat tools around these paradigms is so infinite. Simon Willison's git-history is notablehere, which was submitted earlier today. https://news.ycombinator.com/item?id=35690942
Personally I really think git (especially when going ham with good CoW filesystems) is the most notably interesting database coming at us from the future.