Declassification can be retroactive though. So she could spin it as this: they were declassified when she said it not when they were sent.
MAGA don’t care and will cheer for another billionaire tax cut.
Cambridge dictionary defines treason as: "The crime of showing no loyalty to your country, especially by helping its enemies or trying to defeat its government".
I'm honestly not sure it's still treason, when your government is actively cooperating with Russia.