feat(infra): Stabilized Docker env, fixed circular imports, enabled AI Enricher Robot v1.1

backend/app/services/cost_service.py

@@ -4,7 +4,7 @@ from sqlalchemy.ext.asyncio import AsyncSession
 from sqlalchemy import select, desc
 from app.models.asset import AssetCost, AssetTelemetry, ExchangeRate
 from app.models.gamification import UserStats
-from app.models.system_config import SystemParameter
+from app.models import SystemParameter
 from app.schemas.asset_cost import AssetCostCreate
 from datetime import datetime