{ "enrichments": [{ "field_name": "predicted_ctr_A", "value": 1.42, "confidence": 0.87, "method": "estimation", "reasoning": "Face-forward close-ups with high contrast typically outperform on smaller screens." }, { "field_name": "predicted_ctr_B", "value": 1.28, "confidence": 0.85, "method": "estimation", "reasoning": "Action wides are eye-catching but text overlays can distract; badge adds minor lift." }, { "field_name": "winner", "value": "A", "confidence": 0.82, "method": "classification", "reasoning": "Variant A’s composition aligns better with mobile-dominant behaviour in Home Row." }, { "field_name": "creative_note", "value": "Keep the close-up but test a softer glow on the eyes and a lighter background to increase contrast without noise.", "confidence": 0.76, "method": "reasoning", "reasoning": "Micro-contrast often yields incremental CTR without changing the concept." } ] }