Create service_api.py

service_api.py

@@ -0,0 +1,17 @@
+from economic_kernel import compute_economic_state
+from typing import Dict
+
+def economic_snapshot(request: Dict) -> Dict:
+    state = compute_economic_state(
+        commodity=request["commodity"],
+        physical_anchor=float(request["physical_anchor"]),
+        reporting_lag_days=int(request["reporting_lag_days"]),
+    )
+
+    return {
+        "commodity": state.commodity,
+        "value": state.value,
+        "timestamp": state.timestamp,
+        "lag_days": state.reporting_lag_days,
+        "state_hash": state.state_hash,
+    }