Update hf_demo.py

hf_demo.py

@@ -846,24 +846,24 @@ async def evaluate_infrastructure_intent(request: InfrastructureIntentRequest):
             if not all([request.resource_type, request.region, request.size]):
                 raise HTTPException(400, "Missing fields for provision intent")
             intent = ProvisionResourceIntent(
-                resource_type=ResourceType(request.resource_type.lower()),
+                resource_type=request.resource_type.lower(),  # Pass string directly
                 region=request.region,
                 size=request.size,
                 requester=request.requester,
-                environment=Environment(request.environment.lower())
+                environment=request.environment.lower()       # Pass string directly
             )
         elif request.intent_type == "deploy":
             intent = DeployConfigurationIntent(
                 service_name=request.resource_type or "unknown",
                 change_scope="canary",
-                deployment_target=Environment(request.environment.lower()),
+                deployment_target=request.environment.lower(),  # Pass string directly
                 configuration=request.config_content or {},
                 requester=request.requester
             )
         elif request.intent_type == "grant":
             intent = GrantAccessIntent(
                 principal=request.requester,
-                permission_level=request.permission or "read",
+                permission_level=request.permission or "read",  # Already a string
                 resource_scope=request.target or "/",
                 justification="Requested via API"
             )