So where exactly has Valerie Jarrett been in all this since Nov 3rd?
You're speculating w/o sauce.
There are plenty of articles. This was already discussed before Inauguration.
https://www.google.com/amp/s/nypost.com/2021/01/20/biden-to-get-second-set-of-nuclear-codes-after-trump-jets-to-florida/amp/
New codes and another nuclear football will be ready for Biden after he takes the oath of office.
Retired Air Force Lt. Col. Buzz Patterson, who carried the 40-pound satchel for President Bill Clinton, said the transfer of the codes is taken very seriously.