Create logistics_engine.py

logistics_engine.py

@@ -0,0 +1,10 @@
+def logistics_features():
+    # Proxy variables – replace with public indices later
+    congestion_index = 0.65
+    throughput_index = 0.72
+
+    return {
+        "port_congestion": congestion_index,
+        "throughput": throughput_index,
+        "logistics_friction": 1.0 - throughput_index
+    }