fix：重新分析分割线

src/pages/ChatTactics/TacticsChat.tsx

@@ -43,8 +43,7 @@ export const TacticsChat: React.FC = () => {
   const viteOutputObj = import.meta.env.VITE_OUTPUT_OBJ || 'open'
   const [isLoading, setIsLoading] = useState(false)
   const [allItems, setAllItems] = useState<ChatRecord[]>([])
-  const [historyDividerIndex, setHistoryDividerIndex] = useState<number | null>(null)
-  const [historyDividerTime, setHistoryDividerTime] = useState<string | null>(null)
+  const [historyDividers, setHistoryDividers] = useState<{ index: number, time: string }[]>([])
   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
@@ -370,7 +369,7 @@ export const TacticsChat: React.FC = () => {
     question: string | undefined,
     productCode?: string,
     toolId?: string,
-    extra?: { busiType?: string, recordType?: string, numberType?: string, includeQuestion?: boolean, includeTacticsMeta?: boolean, includeUserMeta?: boolean },
+    extra?: { busiType?: string, recordType?: string, numberType?: string, includeQuestion?: boolean, includeTacticsMeta?: boolean, includeUserMeta?: boolean, isReanalyze?: boolean },
   ) => {
     // 优先读取缓存中的 toolId，再回退到传参
     const sessionToolId = sessionStorage.getItem('currentToolId') ?? undefined
@@ -387,6 +386,9 @@ export const TacticsChat: React.FC = () => {
     await fetchCheckTokenApi()
     // 一次性添加用户问题和空的AI回答；如果不需要问题（自动触发场景），只添加 AI 占位
     const shouldIncludeQuestion = extra?.includeQuestion !== false && !!question
+    const isReanalyze = extra?.isReanalyze === true
+    // 同步计算分割线位置（基于当前 allItems 长度）
+    const nextDividerIndex = isReanalyze ? allItems.length + (shouldIncludeQuestion ? 2 : 1) : null
     setAllItems(prevItems => [
       ...prevItems,
       ...(shouldIncludeQuestion
@@ -402,6 +404,10 @@ export const TacticsChat: React.FC = () => {
         answerList: [{ answer: '' }],
       } as ChatRecord,
     ])
+    if (isReanalyze && nextDividerIndex !== null) {
+      const currentTime = formatCurrentTime()
+      setHistoryDividers(prev => [...prev, { index: nextDividerIndex, time: currentTime }])
+    }
 
     // 创建新的 AbortController
     abortControllerRef.current = new AbortController()
@@ -489,9 +495,9 @@ export const TacticsChat: React.FC = () => {
         // 正常的stream数据
         if (msg?.type === 'DATA' && msg?.content?.code === '00000000') {
           // eslint-disable-next-line no-console
-          console.log('流式[TacticsChat] handleSubmitQuestion:success', msg)
+          console.log('========================流式输出====================', msg)
           // eslint-disable-next-line no-console
-          console.log('[TacticsChat] handleSubmitQuestion:data', msg.content?.data)
+          console.log('========================流式输出字符串====================', msg.content?.data)
           handleStreamMesageData(msg, question || '')
         }
         if (msg?.type === 'DATA' && msg?.content?.code === '01010005') {
@@ -517,12 +523,8 @@ export const TacticsChat: React.FC = () => {
       const res = await fetchTacticsQaRecordPage(conversationId)
       const qaRecords = res.data || []
       const hasHistoryFlag = qaRecords.length > 0
-      const historyCount = qaRecords.length
       // 始终添加 system 角色作为欢迎语
       const messages = [{ role: 'system' } as ChatRecord, ...processApiResponse(qaRecords)]
-      // 分割线按“历史记录条数 + 欢迎语”计算，避免缺失 question 的记录被漏算
-      setHistoryDividerIndex(hasHistoryFlag ? historyCount + 1 : 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) {
@@ -570,8 +572,7 @@ export const TacticsChat: React.FC = () => {
         return [{ role: 'system' } as ChatRecord]
       })
       setHasCleared(false)
-      setHistoryDividerIndex(null)
-      setHistoryDividerTime(null)
+      setHistoryDividers([])
       // 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)
     }
@@ -599,8 +600,7 @@ export const TacticsChat: React.FC = () => {
       // 清空对话列表，只保留欢迎语
       setAllItems([{ role: 'system' } as ChatRecord])
       setHasCleared(true)
-      setHistoryDividerIndex(null)
-      setHistoryDividerTime(null)
+      setHistoryDividers([])
       // 标记接下来创建的新会话来源于「清空记录」，用于阻止自动触发一次提问
       createdFromClearRef.current = true
       dispatch(
@@ -644,6 +644,7 @@ export const TacticsChat: React.FC = () => {
         includeQuestion: false,
         includeTacticsMeta: false,
         includeUserMeta: true,
+        isReanalyze: true,
       })
     }
     else {
@@ -652,6 +653,7 @@ export const TacticsChat: React.FC = () => {
         recordType: 'A01',
         includeQuestion: false,
         includeTacticsMeta: true,
+        isReanalyze: true,
       })
     }
     // 重新拉取会话列表，保持原有行为
@@ -682,13 +684,13 @@ export const TacticsChat: React.FC = () => {
       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)
+      setHistoryDividers([])
       getUserQaRecordPage(id)
     }
     else {
       // 如果没有 id，显示欢迎语，等待登录成功后创建新会话
       setAllItems([{ role: 'system' } as ChatRecord])
-      setHistoryDividerIndex(null)
-      setHistoryDividerTime(null)
+      setHistoryDividers([])
       setIsLoading(false)
       setHasHistory(false)
     }
@@ -927,17 +929,22 @@ export const TacticsChat: React.FC = () => {
             >
               <div className={`${styles.inter} pt-[8px] pb-[24px] min-h-full`}>
                 {allItems.map((record, index) => {
+                  // 如果 question 为空字符串、null 或不存在则不展示该条记录
+                  if (record.role === 'user' && !record.question) {
+                    return null
+                  }
+                  const matchedDivider = historyDividers.find(divider => divider.index === index + 1)
                   const recordId = record.answerList?.[0]?.recordId || record.groupId
                   const uniqueKey = recordId
                     ? `${record.role}-${recordId}`
                     : `${record.role}-${record.question || record.answerList?.[0]?.answer || ''}-${index}`
                   return (
                     <React.Fragment key={uniqueKey}>
-                      {historyDividerIndex !== null && index + 1 === historyDividerIndex && (
+                      {matchedDivider && (
                         <div className="flex items-center gap-[12px] my-[16px] text-[#B2B8C1] text-[12px]">
                           <div className="flex-1 h-px bg-[#E4E7EC]" />
                           <span>以上为历史分析数据</span>
-                          <span>{historyDividerTime || formatCurrentTime()}</span>
+                          <span>{matchedDivider.time}</span>
                           <div className="flex-1 h-px bg-[#E4E7EC]" />
                         </div>
                       )}