fix: AgentChatPage conversation data extraction issue

frontend/src/pages/AgentChatPage.tsx

@@ -15,18 +15,22 @@ const AgentChatPage = () => {
   const { currentProject } = useProjectStore()
   const { knowledgeBases, fetchKnowledgeBases } = useKnowledgeBaseStore()
   
-  // 智能体相关状�  const [agent, setAgent] = useState<AgentConfig | null>(null)
+  // 智能体相关状态
+  const [agent, setAgent] = useState<AgentConfig | null>(null)
   const [agentLoading, setAgentLoading] = useState(true)
   const [error, setError] = useState<string | null>(null)
   
-  // 对è¯<EFBFBD>相关状æ€?  const [conversation, setConversation] = useState<Conversation | null>(null)
+  // 对话相关状态
+  const [conversation, setConversation] = useState<Conversation | null>(null)
   const [messages, setMessages] = useState<Message[]>([])
   const [selectedModel, setSelectedModel] = useState<ModelType>('deepseek-v3')
   
-  // 消æ<EFBFBD>¯å<EFBFBD>‘é€<EFBFBD>状æ€?  const [sending, setSending] = useState(false)
+  // 消息发送状态
+  const [sending, setSending] = useState(false)
   const [streamingContent, setStreamingContent] = useState('')
 
-  // 加载智能体é…<EFBFBD>ç½?  useEffect(() => {
+  // 加载智能体配置
+  useEffect(() => {
     const fetchAgent = async () => {
       if (!agentId) return
 
@@ -41,8 +45,8 @@ const AgentChatPage = () => {
         }
       } catch (err) {
         console.error('Failed to load agent:', err)
-        setError('加载智能体é…<EFBFBD>置失è´?)
-        message.error('加载智能体é…<EFBFBD>置失è´?)
+        setError('加载智能体配置失败')
+        message.error('加载智能体配置失败')
       } finally {
         setAgentLoading(false)
       }
@@ -51,25 +55,46 @@ const AgentChatPage = () => {
     fetchAgent()
   }, [agentId])
 
-  // 加载知识库列�  useEffect(() => {
+  // 加载知识库列表
+  useEffect(() => {
     fetchKnowledgeBases()
+    // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [])
 
-  // 创建或加载对�  useEffect(() => {
+  // 创建或加载对话
+  useEffect(() => {
     const initConversation = async () => {
-      if (!agent || !currentProject) return
+      console.log('🔷 [initConversation] 开始', { agent, currentProject })
+      
+      if (!agent || !currentProject) {
+        console.warn('⚠️ [initConversation] agent或currentProject为空，跳过')
+        return
+      }
 
       try {
-        // 创建新对�        const response = await conversationApi.createConversation({
+        console.log('📞 [initConversation] 调用API创建对话')
+        // 创建新对话
+        const response = await conversationApi.createConversation({
           projectId: currentProject.id,
           agentId: agent.id,
-          title: `ä¸?{agent.name}的对è¯<C3A8>`,
+          title: `与${agent.name}的对话`,
         })
 
-        setConversation(response.data.data || null)
-        setMessages([])
+        console.log('✅ [initConversation] 对话创建成功', response)
+        console.log('📦 [initConversation] response:', response)
+        
+        // response 本身就是 ApiResponse<Conversation>
+        // response.data 是 Conversation | undefined
+        if (response.data) {
+          console.log('💾 [initConversation] 设置conversation为:', response.data)
+          setConversation(response.data as any)
+          setMessages([])
+        } else {
+          console.error('❌ [initConversation] response.data为空')
+          message.error('创建对话失败：无数据返回')
+        }
       } catch (err) {
-        console.error('Failed to create conversation:', err)
+        console.error('❌ [initConversation] 创建对话失败:', err)
         message.error('创建对话失败')
       }
     }
@@ -77,20 +102,38 @@ const AgentChatPage = () => {
     initConversation()
   }, [agent, currentProject])
 
-  // å<EFBFBD>‘é€<EFBFBD>消æ<EFBFBD>¯ï¼ˆæµ<EFBFBD>å¼<EFBFBD>ï¼?  const handleSendMessage = async (content: string, knowledgeBaseIds: string[]) => {
-    if (!conversation || sending) return
+  // 发送消息（流式）
+  const handleSendMessage = async (content: string, knowledgeBaseIds: string[]) => {
+    console.log('🔵 [handleSendMessage] 开始', { content, knowledgeBaseIds, conversation, sending })
+    
+    if (!conversation) {
+      console.error('❌ [handleSendMessage] conversation为空！')
+      message.error('对话未初始化，请刷新页面')
+      return
+    }
+    
+    if (sending) {
+      console.warn('⚠️ [handleSendMessage] 正在发送中，忽略本次请求')
+      return
+    }
 
     setSending(true)
     setStreamingContent('')
 
-    // 添加用户消æ<EFBFBD>¯åˆ°åˆ—è¡?    const userMessage: Message = {
+    // 添加用户消息到列表
+    const userMessage: Message = {
       id: `temp-${Date.now()}`,
       conversationId: conversation.id,
       role: 'user',
       content,
       createdAt: new Date().toISOString(),
     }
-    setMessages(prev => [...prev, userMessage])
+    console.log('📝 [handleSendMessage] 添加用户消息', userMessage)
+    setMessages(prev => {
+      const newMessages = [...prev, userMessage]
+      console.log('📋 [handleSendMessage] 更新后的消息列表', newMessages)
+      return newMessages
+    })
 
     try {
       let fullContent = ''
@@ -109,7 +152,8 @@ const AgentChatPage = () => {
         },
         // onComplete
         () => {
-          // æµ<EFBFBD>å¼<EFBFBD>完æˆ<EFBFBD>å<EFBFBD>Žï¼Œæ·»åŠ å®Œæ•´çš„助手消æ<EFBFBD>?          const assistantMessage: Message = {
+          // 流式完成后，添加完整的助手消息
+          const assistantMessage: Message = {
             id: `temp-assistant-${Date.now()}`,
             conversationId: conversation.id,
             role: 'assistant',
@@ -131,7 +175,7 @@ const AgentChatPage = () => {
       )
     } catch (err) {
       console.error('Failed to send message:', err)
-      message.error('å<EFBFBD>‘é€<EFBFBD>消æ<EFBFBD>¯å¤±è´?)
+      message.error('发送消息失败')
       setStreamingContent('')
       setSending(false)
     }
@@ -139,8 +183,15 @@ const AgentChatPage = () => {
 
   if (agentLoading) {
     return (
-      <div style={{ textAlign: 'center', padding: '100px 0' }}>
-        <Spin size="large" tip="加载智能体é…<C3A9>置中..." />
+      <div style={{ 
+        display: 'flex', 
+        alignItems: 'center', 
+        justifyContent: 'center', 
+        height: '100vh' 
+      }}>
+        <Spin size="large" tip="加载智能体配置中...">
+          <div style={{ width: 200, height: 100 }} />
+        </Spin>
       </div>
     )
   }
@@ -149,7 +200,7 @@ const AgentChatPage = () => {
     return (
       <Alert
         message="请先选择项目"
-        description="请在侧边æ <C3A6>选择一个项目å<C2AE>Žå†<C3A5>开始对è¯?
+        description="请在侧边栏选择一个项目后再开始对话"
         type="info"
         showIcon
       />
@@ -180,7 +231,7 @@ const AgentChatPage = () => {
 
   return (
     <div style={{ height: '100%', display: 'flex', flexDirection: 'column' }}>
-      {/* 顶部工具�- 紧凑设计 */}
+      {/* 顶部工具栏 - 紧凑设计 */}
       <div style={{ 
         padding: '12px 24px',
         background: '#fff',
@@ -202,7 +253,7 @@ const AgentChatPage = () => {
           </div>
         </Space>
 
-        {/* 模型选择�*/}
+        {/* 模型选择器 */}
         <ModelSelector
           value={selectedModel}
           onChange={setSelectedModel}
@@ -226,15 +277,17 @@ const AgentChatPage = () => {
           flex: 1, 
           display: 'flex', 
           flexDirection: 'column',
-          minHeight: 0, // é‡<C3A9>è¦<C3A8>：确ä¿<C3A4>å<EFBFBD>¯ä»¥æ»šåŠ?          overflow: 'hidden',
+          minHeight: 0, // 重要：确保可以滚动
+          overflow: 'hidden',
         }}>
           {messages.length === 0 && !sending ? (
             <div style={{ flex: 1, display: 'flex', alignItems: 'center', justifyContent: 'center', background: '#fafafa' }}>
               <div style={{ textAlign: 'center', color: '#999' }}>
                 <RobotOutlined style={{ fontSize: 64, marginBottom: 16 }} />
-                <div style={{ fontSize: 16 }}>开始对è¯<EFBFBD>，我将为您æ<EFBFBD><EFBFBD>供专业的研究建è®?/div>
+                <div style={{ fontSize: 16 }}>开始对话，我将为您提供专业的研究建议</div>
                 <div style={{ fontSize: 14, marginTop: 8 }}>
-                  您å<EFBFBD>¯ä»¥ç›´æŽ¥è¾“入问题，或使用@知识库功能引用文çŒ?                </div>
+                  您可以直接输入问题，或使用@知识库功能引用文献
+                </div>
               </div>
             </div>
           ) : (
@@ -251,7 +304,7 @@ const AgentChatPage = () => {
           onSend={handleSendMessage}
           loading={sending}
           knowledgeBases={knowledgeBases}
-          placeholder={`å<EFBFBD>?{agent.name}æ<><C3A6>é—®...（Shift+Enteræ<72>¢è¡Œï¼ŒEnterå<72>‘é€<C3A9>）`}
+          placeholder={`向${agent.name}提问...（Shift+Enter换行，Enter发送）`}
         />
       </div>
     </div>