feat：存在历史记录时则不自动调用提问接口

src/pages/ChatTactics/TacticsChat.tsx

@@ -34,6 +34,8 @@ export const TacticsChat: React.FC = () => {
   const [historyDividerTime, setHistoryDividerTime] = useState<string | null>(null)
   const [hasCleared, setHasCleared] = useState(false)
   const [showClearConfirm, setShowClearConfirm] = useState(false)
+  // 标记当前会话是否已有历史记录；null 表示尚未完成查询
+  const [hasHistory, setHasHistory] = useState<boolean | null>(null)
   const dispatch = useAppDispatch()
   const {
     shouldSendQuestion: shouldSendQuestionFromState,
@@ -484,11 +486,11 @@ export const TacticsChat: React.FC = () => {
     try {
       const res = await fetchTacticsQaRecordPage(conversationId)
       const qaRecords = res.data || []
+      const hasHistoryFlag = qaRecords.length > 0
       // 始终添加 system 角色作为欢迎语
       const messages = [{ role: 'system' } as ChatRecord, ...processApiResponse(qaRecords)]
-      const hasHistory = qaRecords.length > 0
-      setHistoryDividerIndex(hasHistory ? messages.length : null)
-      setHistoryDividerTime(hasHistory ? formatCurrentTime() : null)
+      setHistoryDividerIndex(hasHistoryFlag ? messages.length : null)
+      setHistoryDividerTime(hasHistoryFlag ? formatCurrentTime() : null)
       // 处理历史记录中的参考文档标记
       const processedMessages = messages.map((item) => {
         if (item.role === 'ai' && item.answerList?.[0]?.answer) {
@@ -520,6 +522,7 @@ export const TacticsChat: React.FC = () => {
         return processedMessages
       })
       setHasCleared(false)
+      setHasHistory(hasHistoryFlag)
     }
     catch {
       // 如果获取失败，至少显示欢迎语
@@ -537,6 +540,8 @@ export const TacticsChat: React.FC = () => {
       setHasCleared(false)
       setHistoryDividerIndex(null)
       setHistoryDividerTime(null)
+      // 拉取失败时视为无历史记录，后续可按需触发自动提问
+      setHasHistory(false)
     }
     finally {
       setIsLoading(false)
@@ -625,6 +630,8 @@ export const TacticsChat: React.FC = () => {
 
       currentIdRef.current = id
       lastSentQuestionRef.current = ''
+      // 每次切换会话时重置历史标记，等待新会话的历史查询结果
+      setHasHistory(null)
       getUserQaRecordPage(id)
     }
     else {
@@ -633,6 +640,7 @@ export const TacticsChat: React.FC = () => {
       setHistoryDividerIndex(null)
       setHistoryDividerTime(null)
       setIsLoading(false)
+      setHasHistory(false)
     }
   }, [id, getUserQaRecordPage, dispatch])
 
@@ -650,7 +658,8 @@ export const TacticsChat: React.FC = () => {
     }
   }, [id])
   useEffect(() => {
-    if (currentIdRef.current && !isLoading && !hasAutoSubmittedRef.current) {
+    // 仅在历史记录查询完成且为空时，才自动触发一次提交
+    if (currentIdRef.current && !isLoading && hasHistory === false && !hasAutoSubmittedRef.current) {
       hasAutoSubmittedRef.current = true
       // 进入会话后自动触发一次提交：
       // - 无 userMeta：沿用原逻辑，recordType=A02，携带 tacticsMeta
@@ -685,7 +694,7 @@ export const TacticsChat: React.FC = () => {
         )
       }
     }
-  }, [isLoading, handleSubmitQuestion, id, userMeta, getNumberTypeWithUserMeta])
+  }, [isLoading, handleSubmitQuestion, id, userMeta, getNumberTypeWithUserMeta, hasHistory])
 
   // 创建新会话成功后跳转到新会话页面
   useEffect(() => {