I managed to go out last night and I am pretty sure it bothered her.
Not sure what to think about this. Seems like you are still doing things to get a reaction from her. Yes of course, the big reaction is you want her to think about her choices, but is your goal really to "bother her"? I mean, what if you just went out and had fun and it wasn't designed to bother her?

I mean what was the point so we can walk and be mad and not talk. No thanks. I need to avoid those situations that get me more mad or cause more friction.
Not going was probably the right thing. It occurs to me while reading what you wrote that it is a sort of awkward situation.. neither of you is quite sure what to do, and both of you are sort of annoyed that you are in this fix. In this case both of you need extra patience.

But the way you write it, it sounds like you feel like it is her doing, the immediate awkwardness is her fault. ok, tracing it back, it probably is. I mean, you are the one on the DB site, and she is not. The point is, though, that you're going to need lots more goodwill toward her than you are currently expressing, in order to navigate this shoals.

Patience and compassion. Have a good look at her, see if you can put yourself into her skin. What would it be like to be her? You say she has been thinking. Maybe she is in doubt. Maybe she feels guilt. Maybe she is feeling like she screwed up, but at the same time she is angry with you for a thousand little hurts. I'm just guessing here, to illustrate the point. You know her better of course. The point is she is probably troubled and burdened by the situation.

This kind of sentiment: I mean what was the point so we can walk and be mad and not talk. No thanks. I need to avoid those situations that get me more mad or cause more friction. ....seems a little impatient, not very accomodating. The sarcasm isn't helpful. It does not express goodwill.

Like I said, I think you made the right call by not going on the walk. But could you just say "the weather between us isn't right for it" instead of putting it all on her, and "her fog mood"? Could you just grant the both of you an equal measure of compassion and understanding and acceptance for what is surely a difficult, awkward situation for you both?

I think if you can do that, you will be better able to successfully get through these difficult times.