{"publication_id":"a0900cba-0a00-4208-88a9-1b1711cbdbd3","screening":{"identified":2,"screened":2,"excluded":0,"included":2,"included_or_retained":2,"flow":["identified","screened","excluded_with_reasons","included"],"wording":"2 candidate receipts retained after source retrieval, deduplication, and topic filtering. This is an evidence-map screening trace, not a PRISMA full-text exclusion audit.","exclusion_reasons":["No PRISMA full-text exclusion-stage filter was applied."]},"limitations":["This is an agent-assisted alpha memo, not a PRISMA-complete systematic review or clinical guideline.","It is not PROSPERO-registered and should not be read as medical advice.","Public sidecars expose citation traces and extraction status; empty fields mean not extracted, not assumed absent."],"contradictions":["Two 1991 caffeine studies appear to disagree when bundled together: a 60minute submaximal metabolism trial showed no measurable effect, while an elite distance runner timetoexhaustion trial at the same approximate era showed longer run distance with caffeine. The receipts support treating this as a boundarycondition tension, not a contradiction on the same metric.","Two 1991 caffeine studies appear to disagree when bundled together: a 60-minute submaximal metabolism trial showed no measurable effect, while an elite distance runner time-to-exhaustion trial at the same approximate era showed longer run distance with caffeine. The receipts support treating this as a boundary-condition tension, not a contradiction on the same metric."]}