Yin
Risk review on the original ranking. Analytical vetoes are final. A technical failure does not silently fall back to an older model unless the policy says so in public.
Engine · v0.3 Experimental
Keeps v0.1 and v0.2 as references and adds a second score plus a review that must cite dated evidence. A clean run is not proof that it wins more often. See the lab.
Shadow mode: it does not overwrite the frozen daily files. Participation on the home page only when this model actually published.