'So a dog sniffing your car for a particular oder it has been trained to identify is NOT a seach. In what alternate Universe?'
I don't know, but I agree that it's not this universe and so does the Court. As I've repeatedly pointed out, the SCOTUS does _not_ claim that a dog sniff is 'NOT a sea[r]ch'.
As I've repeatedly pointed out, the SCOTUS does _not_ claim
Make up your mind.
He wasn't detaining you - he was conducting a search that you consented to. Nowhere in post 531 do you state that you withdrew your consent. You should have, and then gone merrily on your way.