Yes, I know how to navigate the code even though I used AI coding tools to build it. The reason why the version number is 0.95 and not 1.0+ yet is because there's still bugs to fix and rough edges to iron out, but it's getting there. Consider the project at Late Alpha/Early Beta phase.
Yes the plan is to go beyond RPG Maker's capabilities after all the basics work fully as they should. Check out the Animation Generator under the Forge to see where I'm going with this.
The whole engine is built in Javascript, with the same framework as the runtime (NW.JS + PIXI8)