{"id":"STR-003","domain":"story","priority":100,"hard":true,"logic":"all","when":[{"path":"story.central_claim_without_evidence","op":"eq","value":true}],"then":[{"op":"add_flag","value":"CENTRAL_CLAIM_UNSUPPORTED"},{"op":"append","path":"requirements","value":"add_evidence_or_qualify"},{"op":"block"}],"rationale":"A central factual claim cannot remain unsupported.","tags":["evidence"],"category":"Story"}