diff --git a/proto/api b/proto/api
index 6a2313a1..a7daaa64 160000
--- a/proto/api
+++ b/proto/api
@@ -1 +1 @@
-Subproject commit 6a2313a18130c9f2e967655a8039768297a5d67a
+Subproject commit a7daaa6471e98de8f4d501ca8af694484e1a8932
diff --git a/systemnexus/workflowservice/v1/workflow-service.wit b/systemnexus/workflowservice/v1/workflow-service.wit
index fa0aa9aa..5b847e54 100644
--- a/systemnexus/workflowservice/v1/workflow-service.wit
+++ b/systemnexus/workflowservice/v1/workflow-service.wit
@@ -173,6 +173,7 @@ interface workflow-service {
     start-time: option<timestamp>,
     /// @nexus.omit
     workflow-target: placeholder,
+    idle: option<bool>,
   }
 
   /// @nexus.proto "temporal.api.workflowservice.v1.AttachStreamCallbackResponse"
@@ -235,4 +236,23 @@ interface workflow-service {
   use nexus:temporal-types/model@1.0.0.{
     failure,
   };
+  /// @nexus.proto "temporal.api.workflowservice.v1.WaitStreamCallbackRequest"
+  record wait-stream-callback-request {
+    /// @nexus.source python="workflow_namespace()" typescript="workflowNamespace()" go="workflow.GetInfo(ctx).Namespace" dotnet="TemporalWorkflowContext.WorkflowNamespace()"
+    /// @nexus.doc "Namespace of the stream."
+    namespace: string,
+    stream-ref: option<stream-reference>,
+    request-id: string,
+    after-counter: option<s64>,
+    /// @nexus.omit
+    identity: placeholder,
+  }
+
+  /// @nexus.proto "temporal.api.workflowservice.v1.WaitStreamCallbackResponse"
+  record wait-stream-callback-response {
+  }
+
+  wait-stream-callback: func(
+    request: wait-stream-callback-request,
+  ) -> wait-stream-callback-response;
 }
diff --git a/workflowservice/v1/workflowservicenexus/service_nexus.pb.go b/workflowservice/v1/workflowservicenexus/service_nexus.pb.go
index 3ca7d2fd..6e9ea9ae 100644
--- a/workflowservice/v1/workflowservicenexus/service_nexus.pb.go
+++ b/workflowservice/v1/workflowservicenexus/service_nexus.pb.go
@@ -12,11 +12,13 @@ var TemporalAPIWorkflowserviceV1WorkflowService = struct {
 	SignalWithStartWorkflowExecution nexus.OperationReference[workflowservicev1.SignalWithStartWorkflowExecutionRequest, workflowservicev1.SignalWithStartWorkflowExecutionResponse]
 	AttachStreamCallback             nexus.OperationReference[workflowservicev1.AttachStreamCallbackRequest, workflowservicev1.AttachStreamCallbackResponse]
 	DetachStreamCallback             nexus.OperationReference[workflowservicev1.DetachStreamCallbackRequest, workflowservicev1.DetachStreamCallbackResponse]
+	WaitStreamCallback               nexus.OperationReference[workflowservicev1.WaitStreamCallbackRequest, workflowservicev1.WaitStreamCallbackResponse]
 	NotifyStream                     nexus.OperationReference[workflowservicev1.NotifyStreamRequest, workflowservicev1.NotifyStreamResponse]
 }{
 	ServiceName:                      "temporal.api.workflowservice.v1.WorkflowService",
 	SignalWithStartWorkflowExecution: nexus.NewOperationReference[workflowservicev1.SignalWithStartWorkflowExecutionRequest, workflowservicev1.SignalWithStartWorkflowExecutionResponse]("SignalWithStartWorkflowExecution"),
 	AttachStreamCallback:             nexus.NewOperationReference[workflowservicev1.AttachStreamCallbackRequest, workflowservicev1.AttachStreamCallbackResponse]("AttachStreamCallback"),
 	DetachStreamCallback:             nexus.NewOperationReference[workflowservicev1.DetachStreamCallbackRequest, workflowservicev1.DetachStreamCallbackResponse]("DetachStreamCallback"),
+	WaitStreamCallback:               nexus.NewOperationReference[workflowservicev1.WaitStreamCallbackRequest, workflowservicev1.WaitStreamCallbackResponse]("WaitStreamCallback"),
 	NotifyStream:                     nexus.NewOperationReference[workflowservicev1.NotifyStreamRequest, workflowservicev1.NotifyStreamResponse]("NotifyStream"),
 }