Extend the original 64 changes only to article-009 and article-064. Preserve substantive body/comment/source requirements and all merged editions. Rechecked all 66 cases against the current scorer: full answers and cleaned answers pass, shell-only and error answers fail. Record exact revision hash for the companion runner; 530 selected identities unchanged.
Finalize the 530-task contract and verify the original 64 case changes
