Default workflow subgraph attribute

src/lib/components/ComfyApp.ts

@@ -941,7 +941,11 @@ export default class ComfyApp {
         if (workflow.attrs.queuePromptButtonRunWorkflow) {
             // Hold control to queue at the front
             const num = this.ctrlDown ? -1 : 0;
-            this.queuePrompt(workflow, num, 1);
+            let tag = null;
+            if (workflow.attrs.queuePromptButtonDefaultWorkflow) {
+                tag = workflow.attrs.queuePromptButtonDefaultWorkflow
+            }
+            this.queuePrompt(workflow, num, 1, tag);
         }
     }
 

src/lib/stores/layoutStates.ts

@@ -681,6 +681,13 @@ const ALL_ATTRIBUTES: AttributesSpecList = [
                 editable: true,
                 defaultValue: true
             },
+            {
+                name: "queuePromptButtonDefaultWorkflow",
+                type: "string",
+                location: "workflow",
+                editable: true,
+                defaultValue: ""
+            },
             {
                 name: "showDefaultNotifications",
                 type: "boolean",

src/lib/stores/workflowState.ts

@@ -57,6 +57,12 @@ export type WorkflowAttributes = {
      */
     queuePromptButtonRunWorkflow: boolean,
 
+    /*
+     * Default subgraph to run if `queuePromptButtonRunWorkflow` is `true`. Set
+     * to blank to run the default subgraph (tagless).
+     */
+    queuePromptButtonDefaultWorkflow: string,
+
     /*
      * If true, notifications will be shown when a prompt is queued and
      * completed. Set to false if you need more detailed control over the