{ "trend": { "emaFast": 20, "emaSlow": 50, "emaTrend": 200 }, "grid": { "levels": 4, "spacing": [0.35, 0.70, 1.05, 1.40] }, "takeProfitPercent": 0.80, "hedgePercent": 0.30, "maxExposure": 2.0 }