Add role-based filtering and imporve code

services/forecasting/app/api/scenario_operations.py

@@ -26,7 +26,7 @@ from shared.monitoring.decorators import track_execution_time
 from shared.monitoring.metrics import get_metrics_collector
 from app.core.config import settings
 from shared.routing import RouteBuilder
-from shared.auth.access_control import require_user_role
+from shared.auth.access_control import require_user_role, enterprise_tier_required
 
 route_builder = RouteBuilder('forecasting')
 logger = structlog.get_logger()
@@ -43,12 +43,14 @@ def get_enhanced_forecasting_service():
     route_builder.build_analytics_route("scenario-simulation"),
     response_model=ScenarioSimulationResponse
 )
-@require_user_role(['viewer', 'member', 'admin', 'owner'])
+@require_user_role(['admin', 'owner'])
+@enterprise_tier_required
 @track_execution_time("scenario_simulation_duration_seconds", "forecasting-service")
 async def simulate_scenario(
     request: ScenarioSimulationRequest,
     tenant_id: str = Path(..., description="Tenant ID"),
     request_obj: Request = None,
+    current_user: dict = Depends(get_current_user_dep),
     forecasting_service: EnhancedForecastingService = Depends(get_enhanced_forecasting_service)
 ):
     """
@@ -62,7 +64,7 @@ async def simulate_scenario(
     - Promotions
     - Supply disruptions
 
-    **PROFESSIONAL/ENTERPRISE ONLY**
+    **ENTERPRISE TIER ONLY - Admin+ role required**
     """
     metrics = get_metrics_collector(request_obj)
     start_time = datetime.now(timezone.utc)