Yet none of what you have listed deals with the fact that the Constitution
-class nomenclature goes back as early as the first draft of the episode "Space Seed".
And, once again, Roddenberry was executive producer of The Naked Now
which clearly identifies the ship as Constitution
The Naked Now wrote:
RIKER: Captain, I believe we've have the answer to what happened over there.
PICARD: (reading the screen) The Constitution class Enterprise, Captain James T. Kirk commanding.