Create utils/preprocessing.py

utils/preprocessing.py

@@ -0,0 +1,11 @@
+def extract_features(agent_data):
+    """
+    Convert input JSON into numerical features for Isolation Forest.
+    Order: weekly_calls, missed_visits, travel_distance, lead_drop_rate
+    """
+    return [
+        agent_data.get("weekly_calls", 0),
+        agent_data.get("missed_visits", 0),
+        agent_data.get("travel_distance", 0),
+        agent_data.get("lead_drop_rate", 0.0)
+    ]