fix(hub): drop per-concept success toasts on Hub import

src/renderer/src/components/HubImportModal.tsx

@@ -644,12 +644,9 @@ export function HubImportModal({ open, onClose, preselectedIds }: Props): React.
         store.upsertHubTemplate(importId, record)
       }
 
-      store.pushNotification(
-        useDropParent
-          ? `Imported "${concept.name}" into "${dropParent!.label}"`
-          : `Imported "${concept.name}"`,
-        'info',
-      )
+      // No success toast: the modal itself marks each concept as imported,
+      // and a blueprint with its related concepts would otherwise stack a
+      // dozen toasts over the template-parameter form that follows.
       // In preselected (hub import) mode: mark as done and close only when all imported.
       if (preselectedIds && preselectedIds.length > 0) {
         setImportedIds((prev) => {

src/renderer/src/hub/importConcept.ts

@@ -186,7 +186,7 @@ export function importHubConceptIntoDiagram(
     store.upsertHubTemplate(importId, record)
   }
 
-  store.pushNotification(`Imported "${concept.name}"`, 'info')
+  // No success toast — callers show the imported state on the card itself.
 
   return { nodeIds: Object.keys(newNodes) }
 }