fix: guard configured event to prevent state wipe during editing

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/stores/appModeStore.ts

@@ -350,7 +350,13 @@ export const useAppModeStore = defineStore('appMode', () => {
   useEventListener(
     () => app.rootGraph?.events,
     'configured',
-    resetSelectedToWorkflow
+    () => {
+      // Only reload from saved state during graph loading, not while
+      // the user is actively editing in builder/app mode.
+      if (!isBuilderMode.value && !isAppMode.value) {
+        resetSelectedToWorkflow()
+      }
+    }
   )
 
   function persistLinearData() {