That really *****, all the wood is cut to the right size and almost in the right place, so may not be too bad straightening out and getting it back together. I would triangulate everywhere I could, as has been mentioned you can also stiffen up the corners by a diagonal over the top plate temporarily.
I framed my garage myself, have done other projects, but never that big. Would be tough having to go back and do over. Sometimes thinking about everything is a little overwhelming. If you keep plugging away in your spare hours it will get done.
Looks like it will be a real nice shop when done.