Update with augmented data (178 configs) + pairwise ranking model (71.3% hit rate)

causal_selection/data/results/improvement_summary.json

@@ -0,0 +1,13 @@
+{
+  "n_configs_original": 122,
+  "n_configs_augmented": 56,
+  "n_configs_total": 178,
+  "best_model": "Pairwise-GBM",
+  "best_top3_hit_rate": 0.7134831460674157,
+  "best_metrics": {
+    "top_k_hit_rate": 0.7134831460674157,
+    "mean_regret": 0.010851242929282858,
+    "median_regret": 0.0,
+    "n_evaluated": 178
+  }
+}