can reactions be at least toggled on and off, or are they passives that fire off whenever the cooldown or whatever is up and something triggers them? At the absolute least, they need to be toggled (e.g on any given turn, be able to click a reaction icon to make sure that reaction is active or not).
Yes.
our current idea is to let the player on their turn say which reactions they want trigger and which they don't. So a wizard would disable their attack of opportunity because it's probably not going to do a lot of damage, but they're going to enable some spells that they have. Battlemaster will enable reposte and things like that. And you can decide 'do I want to enable it? Do I want to spend resources on this or not?'
We are also looking into how we could give players even more control over when exactly this happens, but we don't really want to go into telling the player 'oh, just script your own visual language'. It's probably going to be overkill, so we're still figuring out that part.
