Looks cool!

Have you looked into WASM? Something like a jupyterlite [0] alternative for marimo?

And are there plans to integrate linting and formatting with ruff? [1]

[0] https://jupyterlite.readthedocs.io/en/stable/

[1] https://github.com/astral-sh/ruff (ruff format is almost 100% compatible with black formatting)