001 Project structure

app/services/aggregator.py

@@ -0,0 +1,10 @@
+"""Aggregator service orchestrator skeleton."""
+
+from app.schemas.request import DeliveryRequest
+from app.schemas.response import DeliveryPrice
+
+
+class AggregatorService:
+    async def get_all_prices(self, request: DeliveryRequest) -> list[DeliveryPrice]:
+        _ = request
+        raise NotImplementedError("Aggregator workflow is implemented in task 005.")