merge: resolve CLAUDE.md conflict, mark oi-derived-features as completed

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

models/training_log.json

@@ -451,5 +451,30 @@
       "reg_lambda": 0.082872
     },
     "weight_scale": 1.431662
+  },
+  {
+    "date": "2026-03-04T02:00:20.379884",
+    "backend": "lgbm",
+    "auc": 0.9437,
+    "best_threshold": 0.3576,
+    "best_precision": 0.632,
+    "best_recall": 0.3,
+    "samples": 3228,
+    "features": 24,
+    "time_weight_decay": 2.0,
+    "model_path": "models/lgbm_filter.pkl",
+    "tuned_params_path": null,
+    "lgbm_params": {
+      "n_estimators": 221,
+      "learning_rate": 0.031072,
+      "max_depth": 5,
+      "num_leaves": 20,
+      "min_child_samples": 39,
+      "subsample": 0.83244,
+      "colsample_bytree": 0.526349,
+      "reg_alpha": 0.062177,
+      "reg_lambda": 0.082872
+    },
+    "weight_scale": 1.431662
   }
 ]