feat: 对话总结标题改为不超过20字

www/app.js

@@ -5,7 +5,10 @@ const CONFIG = {
   apiUrl: 'https://open.bigmodel.cn/api/paas/v4/chat/completions',
   apiKey: '2259e33a1357460abe17919aaf81e73d.K44a8LPQTmFM5PKm',
   model: 'glm-4.5-air',
-  maxTokens: 2048
+  maxTokens: 2048,
+  // Tavily Search API
+  tavilyApiUrl: 'https://api.tavily.com/search',
+  tavilyApiKey: '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'
 };
 
 // 数据结构
@@ -584,11 +587,6 @@ function openConversation(id) {
     thinkingBtn.addEventListener('click', () => {
       enableThinking = !enableThinking;
       thinkingBtn.classList.toggle('active', enableThinking);
-      // 如果开启深度思考，关闭联网搜索（智谱思考模型不支持联网）
-      if (enableThinking && enableSearch) {
-        enableSearch = false;
-        searchBtn.classList.remove('active');
-      }
     });
   }
   
@@ -596,11 +594,6 @@ function openConversation(id) {
     searchBtn.addEventListener('click', () => {
       enableSearch = !enableSearch;
       searchBtn.classList.toggle('active', enableSearch);
-      // 如果开启联网搜索，关闭深度思考
-      if (enableSearch && enableThinking) {
-        enableThinking = false;
-        thinkingBtn.classList.remove('active');
-      }
     });
   }
   
@@ -760,12 +753,20 @@ async function streamGenerate(userMsgIndex) {
   sendBtn.disabled = true;
 
   const aiMessageIndex = currentConversation.messages.length;
+  const userMessage = currentConversation.messages[userMsgIndex];
   
-  // 只有开启深度思考时才添加 thinking 字段
+  // 如果开启联网搜索，先执行搜索
+  let searchResults = null;
+  if (enableSearch && userMessage.role === 'user') {
+    searchResults = await performSearch(userMessage.content);
+  }
+  
+  // 只有开启深度思考时才添加 thinking 字段，开启搜索时添加 search_results 字段
   currentConversation.messages.push({ 
     role: 'assistant', 
     content: '',
-    ...(enableThinking ? { thinking: '' } : {})
+    ...(enableThinking ? { thinking: '' } : {}),
+    ...(searchResults ? { search_results: searchResults } : {})
   });
   renderMessages();
   
@@ -781,15 +782,30 @@ async function streamGenerate(userMsgIndex) {
   }
   
   contentEl.innerHTML = '<span class="streaming-cursor">▌</span>';
+  
+  // 显示停止生成按钮
+  showStopGenerateBtn();
 
   try {
+    // 构建消息数组
+    let messagesToSend = currentConversation.messages.slice(0, aiMessageIndex).map(m => ({
+      role: m.role,
+      content: m.content
+    }));
+    
+    // 如果有搜索结果，将搜索内容添加到消息中
+    if (searchResults) {
+      const searchContext = formatSearchResultsForLLM(searchResults);
+      messagesToSend.push({
+        role: 'system',
+        content: `以下是搜索结果，请根据这些信息回答用户问题：\n\n${searchContext}`
+      });
+    }
+    
     // 构建请求体 - 统一使用 glm-4.5-air，通过 thinking 参数控制
     const requestBody = {
       model: CONFIG.model,
-      messages: currentConversation.messages.slice(0, aiMessageIndex).map(m => ({
-        role: m.role,
-        content: m.content
-      })),
+      messages: messagesToSend,
       max_tokens: CONFIG.maxTokens,
       stream: true,
       thinking: {
@@ -814,8 +830,30 @@ async function streamGenerate(userMsgIndex) {
     const decoder = new TextDecoder();
     let buffer = '';
     let thinkingOutputStarted = false;  // 正式内容是否开始输出
+    let abortController = new AbortController();  // 用于中断流
+    
+    // 绑定停止按钮事件
+    const stopBtn = document.getElementById('stopGenerateBtn');
+    if (stopBtn) {
+      stopBtn.onclick = () => {
+        abortController.abort();
+        isLoading = false;
+        sendBtn.disabled = false;
+        hideStopGenerateBtn();
+        // 更新最终内容
+        if (thinkingEl && enableThinking && currentConversation.messages[aiMessageIndex].thinking) {
+          thinkingEl.innerHTML = renderMarkdown(currentConversation.messages[aiMessageIndex].thinking);
+        }
+        contentEl.innerHTML = renderMarkdown(currentConversation.messages[aiMessageIndex].content);
+        currentConversation.updatedAt = Date.now();
+        saveConversations();
+        renderMessages();
+      };
+    }
 
     while (true) {
+      if (abortController.signal.aborted) break;  // 检查是否已停止
+      
       const { done, value } = await reader.read();
       if (done) break;
 
@@ -840,12 +878,17 @@ async function streamGenerate(userMsgIndex) {
                 if (thinkingEl) {
                   thinkingEl.innerHTML = renderMarkdown(currentConversation.messages[aiMessageIndex].thinking) + '<span class="streaming-cursor">▌</span>';
                 }
+                // 确保思考块展开
+                const thinkingBlock = lastMessageEl.querySelector('.thinking-block');
+                if (thinkingBlock && !thinkingBlock.classList.contains('expanded')) {
+                  thinkingBlock.classList.add('expanded');
+                }
                 scrollToBottom();
               }
               
               // 处理正式回复内容
               if (delta.content) {
-                // 如果开启深度思考且开始输出正式内容，折叠思考块
+                // 如果开启深度思考且开始输出正式内容，说明思考完成，立即折叠思考块
                 if (enableThinking && !thinkingOutputStarted && currentConversation.messages[aiMessageIndex].thinking) {
                   thinkingOutputStarted = true;
                   // 折叠思考内容
@@ -877,28 +920,97 @@ async function streamGenerate(userMsgIndex) {
   } finally {
     isLoading = false;
     sendBtn.disabled = false;
+    hideStopGenerateBtn();
     currentConversation.updatedAt = Date.now();
     saveConversations();
     renderMessages();
     
     // 自动总结标题：第一次对话和每隔5次对话
     const totalMessages = currentConversation.messages.length;
-    if (totalMessages === 1 || totalMessages % 5 === 0) {
+    // 第一次对话（用户+AI=2条）或每5次对话（10条）
+    if (totalMessages === 2 || totalMessages % 10 === 0) {
       await generateConversationTitle();
     }
   }
 }
 
+// 执行 Tavily 搜索
+async function performSearch(query) {
+  try {
+    const response = await fetch(CONFIG.tavilyApiUrl, {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+        'Authorization': `Bearer ${CONFIG.tavilyApiKey}`
+      },
+      body: JSON.stringify({
+        query: query,
+        max_results: 10,
+        include_raw_content: false
+      })
+    });
+
+    if (!response.ok) {
+      console.error('搜索失败:', response.status);
+      return null;
+    }
+
+    const data = await response.json();
+    return data.results || [];
+  } catch (error) {
+    console.error('搜索错误:', error);
+    return null;
+  }
+}
+
+// 格式化搜索结果给 LLM
+function formatSearchResultsForLLM(results) {
+  if (!results || results.length === 0) return '无搜索结果';
+  
+  return results.map((r, i) => 
+    `${i + 1}. 【${r.title}】\n来源: ${r.url}\n摘要: ${r.content || '无摘要'}\n`
+  ).join('\n');
+}
+
+// 显示停止生成按钮
+function showStopGenerateBtn() {
+  // 检查是否已存在
+  if (document.getElementById('stopGenerateBtn')) return;
+  
+  const stopBtn = document.createElement('button');
+  stopBtn.id = 'stopGenerateBtn';
+  stopBtn.className = 'stop-generate-btn';
+  stopBtn.innerHTML = `
+    <svg viewBox="0 0 24 24" width="16" height="16"><path fill="currentColor" d="M6 6h12v12H6z"/></svg>
+    <span>停止生成</span>
+  `;
+  
+  // 插入到消息容器底部
+  if (messagesContainer) {
+    messagesContainer.appendChild(stopBtn);
+  }
+}
+
+// 隐藏停止生成按钮
+function hideStopGenerateBtn() {
+  const stopBtn = document.getElementById('stopGenerateBtn');
+  if (stopBtn) {
+    stopBtn.remove();
+  }
+}
+
 // 生成对话标题
 async function generateConversationTitle() {
   if (!currentConversation) return;
   
+  console.log('开始生成标题，当前消息数:', currentConversation.messages.length);
+  
   // 构建对话摘要
   const conversationText = currentConversation.messages.map(m => 
     `${m.role === 'user' ? '用户' : 'AI'}: ${m.content.slice(0, 200)}`
   ).join('\n');
   
-  const titlePrompt = `请用不超过10个字总结以下对话的主题，只输出标题，不要其他内容：
+  const titlePrompt = `请用不超过20个字总结以下对话的主题，只输出标题，不要其他内容：
 ${conversationText}`;
 
   try {
@@ -911,24 +1023,46 @@ ${conversationText}`;
       body: JSON.stringify({
         model: CONFIG.model,
         messages: [{ role: 'user', content: titlePrompt }],
-        max_tokens: 50
+        max_tokens: 100,
+        thinking: { type: 'disabled' }  // 禁用思考模式，直接输出标题
       })
     });
 
+    console.log('标题API响应状态:', response.status);
+    
     if (response.ok) {
       const data = await response.json();
+      console.log('标题API响应数据:', data);
       const newTitle = data.choices?.[0]?.message?.content?.trim();
-      if (newTitle && newTitle.length > 0 && newTitle.length <= 15) {
-        currentConversation.title = newTitle;
-        currentConversation.updatedAt = Date.now();
-        saveConversations();
-        
-        // 更新页面标题显示
-        const titleEl = document.querySelector('.header h1');
-        if (titleEl) {
-          titleEl.textContent = newTitle;
+      console.log('生成的标题:', newTitle);
+      
+      if (newTitle && newTitle.length > 0) {
+        // 去掉可能的引号和多余符号
+        const cleanTitle = newTitle.replace(/^["'"']+|["'"']+$/g, '').trim();
+        if (cleanTitle.length > 0 && cleanTitle.length <= 30) {
+          currentConversation.title = cleanTitle;
+          currentConversation.updatedAt = Date.now();
+          saveConversations();
+          console.log('标题已保存:', cleanTitle);
+          
+          // 更新页面标题显示
+          const titleEl = document.querySelector('.header h1');
+          if (titleEl) {
+            titleEl.textContent = cleanTitle;
+          }
+          
+          // 更新侧边栏标题（如果在对话列表页面）
+          const convItem = document.querySelector(`.conversation-item[data-id="${currentConversation.id}"] .conv-title`);
+          if (convItem) {
+            convItem.textContent = cleanTitle;
+          }
+          
+          showToast('标题已更新');
         }
       }
+    } else {
+      const errorText = await response.text();
+      console.error('标题API错误:', errorText);
     }
   } catch (error) {
     console.error('生成标题失败:', error);
@@ -1056,15 +1190,41 @@ function renderMessages() {
     
     // 思考内容块（仅AI消息）
     let thinkingHtml = '';
-    if (!isUser && msg.thinking) {
+    if (!isUser && 'thinking' in msg) {
+      // 判断是否是当前正在生成的消息（有thinking字段且正在加载）
+      const isGenerating = index === currentConversation.messages.length - 1 && isLoading && enableThinking;
+      // 思考进行中且没有正式内容时展开
+      const expandedClass = isGenerating && !msg.content ? 'expanded' : '';
+      
       thinkingHtml = `
-        <div class="thinking-block" onclick="toggleThinking(this)">
+        <div class="thinking-block ${expandedClass}" onclick="toggleThinking(this)">
           <div class="thinking-header">
             <svg viewBox="0 0 24 24" width="16" height="16"><path fill="currentColor" d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 15l-5-5 1.41-1.41L10 14.17l7.59-7.59L19 8l-9 9z"/></svg>
             <span>思考过程</span>
             <svg class="thinking-arrow" viewBox="0 0 24 24" width="14" height="14"><path fill="currentColor" d="M7 10l5 5 5-5z"/></svg>
           </div>
-          <div class="thinking-content">${renderMarkdown(msg.thinking)}</div>
+          <div class="thinking-content">${renderMarkdown(msg.thinking || '思考中...')}</div>
+        </div>`;
+    }
+    
+    // 搜索结果块（仅AI消息，放在思考块前面）
+    let searchHtml = '';
+    if (!isUser && msg.search_results && msg.search_results.length > 0) {
+      searchHtml = `
+        <div class="search-results-block" onclick="toggleSearchResults(this)">
+          <div class="search-results-header">
+            <svg viewBox="0 0 24 24" width="16" height="16"><path fill="currentColor" d="M15.5 14h-.79l-.28-.27C15.41 12.59 16 11.11 16 9.5 16 5.91 13.09 3 9.5 3S3 5.91 3 9.5 5.91 16 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 7 9.5 7 14 9.01 14 9.5 11.99 14 9.5 14z"/></svg>
+            <span>搜索结果 (${msg.search_results.length})</span>
+            <svg class="search-results-arrow" viewBox="0 0 24 24" width="14" height="14"><path fill="currentColor" d="M7 10l5 5 5-5z"/></svg>
+          </div>
+          <div class="search-results-content">
+            ${msg.search_results.map((r, i) => `
+              <div class="search-result-link">
+                <span class="search-result-num">${i + 1}</span>
+                <a href="${r.url}" target="_blank" rel="noopener">${escapeHtml(r.title)}</a>
+              </div>
+            `).join('')}
+          </div>
         </div>`;
     }
     
@@ -1091,6 +1251,7 @@ function renderMessages() {
       <div class="message ${msg.role}" data-index="${index}">
         <div class="message-avatar">${avatar}</div>
         <div class="message-body">
+          ${searchHtml}
           ${thinkingHtml}
           <div class="message-content">${contentHtml}</div>
           ${actions}
@@ -1118,6 +1279,11 @@ function toggleThinking(block) {
   block.classList.toggle('expanded');
 }
 
+// 折叠/展开搜索结果
+function toggleSearchResults(block) {
+  block.classList.toggle('expanded');
+}
+
 // ==================== 工具函数 ====================
 
 // 渲染 Markdown

www/index.html

@@ -8,12 +8,12 @@
   <meta http-equiv="Pragma" content="no-cache">
   <meta http-equiv="Expires" content="0">
   <title>AI助手</title>
-  <link rel="stylesheet" href="style.css?v=2.5.2">
+  <link rel="stylesheet" href="style.css?v=2.7.7">
   <link rel="manifest" href="manifest.json">
 </head>
 <body>
   <div id="app"></div>
-  <script src="marked.min.js?v=2.5.2"></script>
-  <script src="app.js?v=2.5.2"></script>
+  <script src="marked.min.js?v=2.7.7"></script>
+  <script src="app.js?v=2.7.7"></script>
 </body>
 </html>

www/style.css

@@ -897,6 +897,88 @@ body {
   margin: 8px 0;
 }
 
+/* 搜索结果块 */
+.search-results-block {
+  margin-bottom: 12px;
+  background: rgba(102, 126, 234, 0.05);
+  border: 1px solid rgba(102, 126, 234, 0.15);
+  border-radius: 10px;
+  overflow: hidden;
+  cursor: pointer;
+  transition: all 0.2s;
+}
+
+.search-results-block:hover {
+  border-color: rgba(102, 126, 234, 0.3);
+}
+
+.search-results-header {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  padding: 8px 12px;
+  background: rgba(102, 126, 234, 0.1);
+  font-size: 13px;
+  color: var(--primary);
+  font-weight: 500;
+}
+
+.search-results-header svg:first-child {
+  color: var(--primary);
+}
+
+.search-results-arrow {
+  margin-left: auto;
+  transition: transform 0.2s;
+}
+
+.search-results-block.expanded .search-results-arrow {
+  transform: rotate(180deg);
+}
+
+.search-results-content {
+  padding: 0 12px;
+  max-height: 0;
+  overflow: hidden;
+  transition: max-height 0.3s ease, padding 0.3s ease;
+}
+
+.search-results-block.expanded .search-results-content {
+  padding: 8px 12px;
+  max-height: 300px;
+}
+
+.search-result-link {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  padding: 6px 0;
+}
+
+.search-result-num {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  min-width: 20px;
+  height: 20px;
+  background: var(--primary);
+  color: white;
+  border-radius: 50%;
+  font-size: 12px;
+  font-weight: 500;
+}
+
+.search-result-link a {
+  color: var(--text-color);
+  font-size: 14px;
+  text-decoration: none;
+  transition: color 0.2s;
+}
+
+.search-result-link a:hover {
+  color: var(--primary);
+}
+
 /* 输入区域 */
 .input-area {
   display: flex;
@@ -1055,4 +1137,36 @@ body {
   .input-area {
     padding-bottom: calc(12px + env(safe-area-inset-bottom));
   }
+}
+
+/* 停止生成按钮 */
+.stop-generate-btn {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: 8px;
+  padding: 12px 24px;
+  margin: 16px auto;
+  background: linear-gradient(135deg, #e53e3e 0%, #c53030 100%);
+  color: white;
+  border: none;
+  border-radius: 24px;
+  font-size: 14px;
+  font-weight: 500;
+  cursor: pointer;
+  transition: all 0.2s;
+  box-shadow: 0 2px 8px rgba(229, 62, 62, 0.3);
+}
+
+.stop-generate-btn:hover {
+  transform: scale(1.05);
+  box-shadow: 0 4px 16px rgba(229, 62, 62, 0.4);
+}
+
+.stop-generate-btn:active {
+  transform: scale(0.98);
+}
+
+.stop-generate-btn svg {
+  flex-shrink: 0;
 }