CHP is irrelevant.
It is now the Islamic Republic of Turkey.
Possibly so. We shall see if there is a real internal fight. The Kemalists do not like Erdogan’s path. They treat minorities as badly as Erdogan has, but hate the Islamists too. There are still Kemalist officers in the military in spite of the purge. I’ve had discussion with some. The don’t wear it on their sholder, but it’s there.