You didn't address my question about how the joists are "attached to the
studs". Are they really not sitting on the top plate of the wall? Are you
really depending on the shear strength of screws/nails to support the loft?

Yes.



Relax people ..
.... from the previous thread - it's a 10 x 10 ft. shed
with a 6 ft. extension tacked on ... I think ?
John T.