Those Rust libraries have existed for some time:
- https://github.com/ratatui/ratatui
- https://github.com/ratatui/ratatui
That's not a criticism of these frameworks -- there are constraints coming from Rust and from the scope of the frameworks. They just can't offer a React like experience.
But I am sure that companies like Anthropic or OpenAI aren't going to build their application using these libraries, even with AI.