I've hit that point. That point when you're building your game ideas, mechanics etc when you suddenly think "but what if I ripped all of this out and did this i...
Thanks for the comments Tom, glad you're enjoying the blog!
In terms of scope, I have a notebook filled with all the mechanics I want to add, with plenty of space to sketch out how they might look/work. I definitely don't have a schedule, but one of the things I'm looking at in how I do things and when is based on what I can make into a tutorial. So, the dialogue system for example, as that got built it became a whole tutorial series. Because while this is a great exercise for me and something I've always wanted to do, it's also a great opportunity for us to expand the Construct tutorials section!
The 'updates' are weekly, but I can't guarantee the level of content haha seeing as like any side project, I spend varying time on it each week. But I could probably do a little video at some point to show how it's all going. :)