You can already do it, just fork Glide and add a simple login asking the nsec:

Robert Craigie

Introducing Glide, an extensible, keyboard-focused web browser

A Firefox fork with a TypeScript config that lets you build anything.

Good idea

👀

I've been using keychat for months. It does exactly this.

GitHub

GitHub - keychat-io/keychat-app: Keychat is the super app for Bitcoiners. Autonomous IDs, Bitcoin ecash wallet, secure chat, and rich mini apps — all in Keychat. Autonomy. Security. Richness.

Keychat is the super app for Bitcoiners. Autonomous IDs, Bitcoin ecash wallet, secure chat, and rich mini apps — all in Keychat. Autonomy. Securi...

I came to comment exactly that

NOstr broWSER

want. also with the ability to do all that neat stuff like electron engine and use different languages and run them inside containers instead of using javascript for anything more than reactive interfaces and instant config and things like this