Nimshal for third answer (2).
The Tzimtzum isn’t real to the Mashpia so it’s not real for the Mikabel.
Havaya has three meanings: 1) Atzmus, 2) Ein Sof, 3) Mihaveh (Creator).
The third Havaya is using Elokim to create, but the creation (as understood in THIS Ma’amar) is attributable to Havaya (only through Elokim). MP3