refactor: 移除流式返回时的UI隐藏逻辑，只隐藏历史记录，正常问答显示UI

src/pages/Chat/components/ChatItem/ChatAnswerBox.tsx

@@ -60,11 +60,7 @@ export const ChatAnswerBox: React.FC<ChatAnswerBoxProps> = ({ record, showIndex,
         // 当前默认始终展示点赞 / 点踩 / 复制等操作区（是否展示由下层基于卡片类型自行决定）
         const shouldHideOperate = false
         
-        // 如果 firstQaFlag 为 true 且存在 workflow 卡片，隐藏整个 chatItem（用户不需要看到这次的结果）
-        // 注意：历史记录（isShow === true）不会渲染 CardWorkflowForm，不会自动提交
-        // 只有流式返回的新记录（isShow === false）才会渲染 CardWorkflowForm 并执行自动提交
-        const hasWorkflowCard = (item.cardList || []).some(attachment => attachment.type === 'card-workflow')
-        const shouldHideChatItem = item.firstQaFlag === true && hasWorkflowCard
+        // 不再隐藏流式返回的 chatItem，只隐藏历史记录（在 Chat.tsx 和 TacticsChat.tsx 中处理）
         
         // 创建包装函数，从会话历史中找到最后一个有 workFlowSessionId 的答案，并在追问时传递
         const handleSubmitQuestionWithWorkflow = (question: string, productCode?: string) => {
@@ -89,7 +85,6 @@ export const ChatAnswerBox: React.FC<ChatAnswerBoxProps> = ({ record, showIndex,
             <div 
               className="chatItemBotContainer w-full" 
               key={`${item.recordId}-${index}`}
-              style={shouldHideChatItem ? { visibility: 'hidden', height: 0, overflow: 'hidden', margin: 0, padding: 0 } : undefined}
             >
               <div className="flex">
                 <Avatar

src/pages/Chat/components/ChatItem/ChatAnswerParser.tsx

@@ -202,9 +202,7 @@ export const ChatAnswerParser: React.FC<ChatAnswerParserProps> = ({ isLastAnswer
           </MarkdownDetail>
         </div>
       )}
-      {/* ChatAnswerParser 用于流式返回的新记录（isShow === false），即使 firstQaFlag === true 也要渲染 ChatAnswerAttachment，确保自动提交逻辑能执行
-          如果 firstQaFlag 为 true 且存在 workflow 卡片，即使 isTyping 为 true 也要渲染 ChatAnswerAttachment */}
-      {((!isTyping) || (answer.firstQaFlag === true && (answer.cardList || []).some(attachment => attachment.type === 'card-workflow')))
+      {!isTyping
       && answer.cardList
       && answer.cardList?.length !== 0
       && (

src/pages/Chat/components/ChatItem/ChatAnswerShower.tsx

@@ -28,9 +28,7 @@ export const ChatAnswerShower: React.FC<ChatAnswerShowerProps> = ({ answer, isLa
           </MarkdownDetail>
         </div>
       )}
-      {/* 历史记录（isShow === true）且 firstQaFlag === true 时，不渲染 ChatAnswerAttachment（不需要自动提交）
-          流式返回的新记录（isShow === false）即使 firstQaFlag === true 也要渲染，确保自动提交逻辑能执行 */}
-      {answer.cardList && answer.cardList?.length !== 0 && !(answer.isShow === true && answer.firstQaFlag === true) && (
+      {answer.cardList && answer.cardList?.length !== 0 && (
         <ChatAnswerAttachment
           onSubmitQuestion={onSubmitQuestion}
           isLastAnswer={isLastAnswer}

src/pages/ChatTactics/TacticsChat.tsx

@@ -1195,10 +1195,8 @@ export const TacticsChat: React.FC = () => {
                   if (record.role === 'user' && !record.question) {
                     return null
                   }
-                  // 如果历史记录中 firstQaFlag 为 true，则不展示该条 chatItem
-                  if (record.role === 'ai' && record.answerList?.[0]?.firstQaFlag === true) {
-                    return null
-                  }
+                  // 如果历史记录中 firstQaFlag 为 true，隐藏 UI 但保留组件渲染
+                  const shouldHideHistoryItem = record.role === 'ai' && record.answerList?.[0]?.firstQaFlag === true
                   const matchedDivider = historyDividers.find(divider => divider.index === index + 1)
                   const recordId = record.answerList?.[0]?.recordId || record.groupId
                   const uniqueKey = recordId
@@ -1216,6 +1214,7 @@ export const TacticsChat: React.FC = () => {
                       )}
                       <div
                         className="w-full chatItem mx-auto"
+                        style={shouldHideHistoryItem ? { visibility: 'hidden', height: 0, overflow: 'hidden', margin: 0, padding: 0 } : undefined}
                       >
                         {record.role === 'system' && <TacticsWelcome cleared={hasCleared} />}
                         {record.role === 'user' && <ChatItemUser record={record} />}