remove stray: byte-identical duplicate (sha256 45bcbf0c) of amoe/sts/captionbert-v2-sts-anchor.anchor.pt, which survives. The combo folder ships only its own -combo anchor; the solo anchor sitting here invited loading the wrong artifact

card: attach path pointed at amoe/sts/ for a file that lives in amoe/sts-combo/ (404); added the measured step-500 results and the trunk/ckpt pairing

step 500