This is how we’ve done the web-ui for guitarix, to be usable on a smart phone or tablet:
The main screen, here you could select bank and preset to load, and set the overall volume output.
the tuner view
the effect chain “padelboard”, were you could load, move and switch effects on/off, or select a effect to show it’s settings.
For the MOD, we would need a additional patchbay like view to manage connections,
the effect settings view,