Add metrics.json to saes_sql_interp_bm2_cs1_experiment_4.3_syn=True/k=32

saes_sql_interp_bm2_cs1_experiment_4.3_syn=True/k=32/model.layers.1.mlp/metrics.json

@@ -0,0 +1 @@
+{"fvu": 0.006806135643273592, "dead_pct": 0.6579613089561462}