"The Governor General owns the decision on whether to accept the coalition or, at the recommendation of the Prime Minister, announce an election."

Yes, I'm sure you're right (I knew I was missing something there). And that's where there is the potential for an actual constitutional crisis. If her call were not seen to be the right one - or at least fairly reasonable - then the role of the office of Governor-General would probably be called into question. She will likely make it clear that she is consulting with the constitutional experts (you and I should be awaiting her call) and the elected potentates before announcing her decision, so as not to appear too high-handed. Fortunately, I don't think that any of the main players would want a constitutional crisis regarding the role of the Governor-General, even if their particular manouverings don't work out they way they would hope.

"As for no-one paying too much attention... Are you still out west?
Folks are fuming here."

Well, from what I gather, the Conservative supporters, predictably, are fuming. The Conservative opposers are, predictably, pleased. As for the rest - they're just going about their business ...