I, myself, am trying to create trading bots whether they are manual or auto.
Isn't the whole purpose of a bot to trade automatically? Not sure what bot trades manually? Manually means it would require human input, which then makes it kinda obsolete because you can trade manually yourself.
I am morely focused on bitcoin and same as you, I try to follow the huge volumes.
Volume is just one metric to look at when trading, not something that should be the fundamentals at which your bot's strategy is based on, especially with how volumes nowadays are easily faked on most exchanges.
Also, if enough bots use volume as basis, it provides an easy point of failure because whales can simply play with them and usurp every single penny the bot has to trade with. I wonder how much success OP had so far.