Being third seed does not affect our trade deadline at all, and neither is beating the Cavs with one game.
Ainge knows what he got in his hands, no winning streak, no matter how awesome it looks, is going to change that.
What it will do is potentially increase the trade value of some of our assets (while decreasing others, like Lee/our pick), but it doesn't alter the mindset in the least of what to do in the trade deadline.