fix: prevent duplicate task boxes when responding with human_toolkit … (#602)

src/components/ChatBox/UserQueryGroup.tsx

@@ -38,7 +38,25 @@ export const UserQueryGroup: React.FC<UserQueryGroupProps> = ({
 
   // Show task if this query group has a task message OR if it's the most recent user query during splitting
   // During splitting phase (no to_sub_tasks yet), show task for the most recent query only
+  // Exclude human-reply scenarios (when user is replying to an activeAsk)
+  const isHumanReply = queryGroup.userMessage && 
+    activeTaskId &&
+    chatState.tasks[activeTaskId] &&
+    (chatState.tasks[activeTaskId].activeAsk || 
+     // Check if this user message follows an 'ask' message in the message sequence
+     (() => {
+       const messages = chatState.tasks[activeTaskId].messages;
+       const userMessageIndex = messages.findIndex((m: any) => m.id === queryGroup.userMessage.id);
+       if (userMessageIndex > 0) {
+         // Check the previous message - if it's an agent message with step 'ask', this is a human-reply
+         const prevMessage = messages[userMessageIndex - 1];
+         return prevMessage?.role === 'agent' && prevMessage?.step === 'ask';
+       }
+       return false;
+     })());
+  
   const isLastUserQuery = !queryGroup.taskMessage &&
+    !isHumanReply &&
     activeTaskId &&
     chatState.tasks[activeTaskId] &&
     queryGroup.userMessage &&