Export WorkflowNexusTransport at top-level

Author: dandavison

nexusmcp/__init__.py

@@ -2,7 +2,8 @@
 
 with workflow.unsafe.imports_passed_through():
     from .inbound_gateway import InboundGateway
+    from .nexus_transport import WorkflowNexusTransport
     from .service import MCPService
     from .service_handler import MCPServiceHandler, exclude
 
-__all__ = ["MCPService", "MCPServiceHandler", "InboundGateway", "exclude"]
+__all__ = ["MCPService", "MCPServiceHandler", "InboundGateway", "exclude", "WorkflowNexusTransport"]