{ "layer": 17, "d_model": 2560, "expansion_factor": 8, "top_k": 64, "n_steps": 50000, "batch_size": 32, "seq_len": 512, "lr": 0.0001, "model_name": "google/medgemma-4b-it", "dataset": "rexgradient", "critical_feature": 3818, "timestamp": "2026-08-16T21:31:17.898462" }