diff --git a/web/pages/Assistants.tsx b/web/pages/Assistants.tsx
index dbc818e..f843c28 100644
--- a/web/pages/Assistants.tsx
+++ b/web/pages/Assistants.tsx
@@ -1994,6 +1994,7 @@ export const DebugDrawer: React.FC<{
       waitForResponse: boolean;
     };
   }>({ open: false, message: '' });
+  const textPromptDialogRef = useRef(textPromptDialog);
   const [textSessionStarted, setTextSessionStarted] = useState(false);
   const [wsStatus, setWsStatus] = useState<'disconnected' | 'connecting' | 'ready' | 'error'>('disconnected');
   const [wsError, setWsError] = useState('');
@@ -2193,6 +2194,10 @@ export const DebugDrawer: React.FC<{
     wsStatusRef.current = wsStatus;
   }, [wsStatus]);
 
+  useEffect(() => {
+    textPromptDialogRef.current = textPromptDialog;
+  }, [textPromptDialog]);
+
   useEffect(() => {
     dynamicVariableSeqRef.current = 0;
     setDynamicVariables([]);
@@ -2432,20 +2437,10 @@ export const DebugDrawer: React.FC<{
   };
 
   const closeTextPromptDialog = (action: 'confirm' | 'dismiss') => {
-    let pending:
-      | {
-          toolCallId: string;
-          toolName: string;
-          toolDisplayName: string;
-          waitForResponse: boolean;
-        }
-      | undefined;
-    let message = '';
-    setTextPromptDialog((prev) => {
-      pending = prev.pendingResult;
-      message = prev.message;
-      return { open: false, message: '' };
-    });
+    const snapshot = textPromptDialogRef.current;
+    const pending = snapshot?.pendingResult;
+    const message = snapshot?.message || '';
+    setTextPromptDialog({ open: false, message: '' });
     if (pending?.waitForResponse) {
       emitClientToolResult(
         {