I'm still thinking about this.
The tricky part with using Tinderbox to generate websites is that the export features are almost too powerful and configurable. I've gotten things arranged the way I want them here, but it feels fragile. I hesitate to tweak any of the templates for fear of breaking the site.
What if, instead of exporting HTML files from Tinderbox, I export Hugo-compatible Markdown files? I could use Tinderbox as the authoring, organizing, and linking environment, and then let Hugo generate the actual website.
The upside is that Hugo templates are made for creating websites/blogs. All the tagging, markup, RSS feeds, and other bloggy stuff is already built. And I can use any of the many nice themes instead of this cobbled thing I'm using now.
On the other hand, it's a pretty big moving part. And is generating Markdown any simpler than HTML? Do I end up with the same fragile process, plus the need for Hugo?