oops, i misunderstood the "bank" definition. Yes, immediate switching horizontally per bank would be great. My apologies for the confusion.
however, the o’clock style of switching is also handy, more-so with melodies. So i still believe the option to use both would be best.
I put in a few hours, (which resulted in the video) to have another look at the interface in a live situation.
How about something like a "shift" option on mutator buttons (bank-mutes) in grid-live mode when "SEL" is pressed/held. As i see it now your using "red" or "off" to indicate the mute state, so with SEL held "green" or "orange" to indicate o’clock or immediate switching for each bank?