dela
e6918ffa35
Attach the stepwise derivation toolkit as a submodule and default SUPERPAPER_PHASE to 2 so rewrite-figure can use superderive. Notes still keep align for short expansions without cancel or subst.
78 B
78 B
$QK^\top \to QK^\top/\sqrt{d_k}$。缩放压方差，避免 softmax 饱和。