{"event_id": "evt_f6b9cc0f828f", "timestamp": 1767139039.1184373, "iso_time": "2025-12-31T00:57:19.118647", "type": "fitness_improvement", "title": "New Best: 0.5150", "detail": "Node 9ad6804a achieved new best fitness", "data": {"traits": {"x0": 0.3745401188473625, "x1": 0.9507143064099162, "x2": 0.7319939418114051, "x3": 0.5986584841970366, "x4": 0.15601864044243652, "x5": 0.15599452033620265, "x6": 0.05808361216819946, "x7": 0.8661761457749352, "x8": 0.6011150117432088, "x9": 0.7080725777960455}, "old_best": 0.5149}, "generation": 0}