aaaa we should have brainstormed about this at MIT. my company is working on a "web browser" as a Trojan horse application platform like you're describing.
Discussion
I'm designing notedeck to have multi-app support. right now they are just rust crates, but I have been floating around a wasm-style execution environment. UI will be immediate mode instead of retained mode. quite different ui/programming model than the web. we'll see how it goes.
holy fuck man 🤯