feat: 智能体历史改为显示每次对话记录而非合并统计

www/app.js

@@ -45,69 +45,19 @@ let agents = [
 
 let currentAgent = null;  // 当前选中的智能体
 
-// 智能体使用历史记录
-let agentUsageHistory = [];
-
-// 加载智能体使用历史
-function loadAgentUsageHistory() {
-  const saved = localStorage.getItem('agentUsageHistory');
-  if (saved) {
-    agentUsageHistory = JSON.parse(saved);
-  }
-}
-
-// 保存智能体使用历史
-function saveAgentUsageHistory() {
-  localStorage.setItem('agentUsageHistory', JSON.stringify(agentUsageHistory));
-}
-
-// 记录智能体使用
-function recordAgentUsage(agentId) {
-  const record = agentUsageHistory.find(r => r.agentId === agentId);
-  if (record) {
-    record.usageCount++;
-    record.lastUsedAt = Date.now();
-  } else {
-    agentUsageHistory.push({
-      agentId: agentId,
-      usageCount: 1,
-      lastUsedAt: Date.now()
-    });
-  }
-  saveAgentUsageHistory();
-}
-
-// 格式化使用时间
-function formatUsageTime(timestamp) {
-  const now = Date.now();
-  const diff = now - timestamp;
-  
-  const minute = 60 * 1000;
-  const hour = 60 * minute;
-  const day = 24 * hour;
-  const week = 7 * day;
-  const month = 30 * day;
-  const year = 365 * day;
-  
-  if (diff < minute) return '刚刚';
-  if (diff < hour) return Math.floor(diff / minute) + '分钟前';
-  if (diff < day) return Math.floor(diff / hour) + '小时前';
-  if (diff < week) return Math.floor(diff / day) + '天前';
-  if (diff < month) return Math.floor(diff / week) + '周前';
-  if (diff < year) return Math.floor(diff / month) + '月前';
-  return Math.floor(diff / year) + '年前';
-}
-
-// 获取最近使用的智能体（最多5个）
-function getRecentUsedAgents(limit = 5) {
-  return agentUsageHistory
-    .sort((a, b) => b.lastUsedAt - a.lastUsedAt)
+// 获取使用智能体的对话列表（按时间倒序）
+function getAgentConversationHistory(limit = 5) {
+  return conversations
+    .filter(conv => conv.agentId)  // 筛选有智能体的对话
+    .sort((a, b) => b.updatedAt - a.updatedAt)  // 按更新时间倒序
     .slice(0, limit)
-    .map(record => {
-      const agent = agents.find(a => a.id === record.agentId);
-      return { ...agent, ...record };
-    })
-    .filter(a => a.id);  // 过滤掉可能被删除的智能体
+    .map(conv => {
+      const agent = agents.find(a => a.id === conv.agentId);
+      return {
+        ...conv,
+        agent: agent
+      };
+    });
 }
 
 // 功能开关
@@ -136,9 +86,6 @@ document.addEventListener('DOMContentLoaded', () => {
     conversations = JSON.parse(saved);
   }
   
-  // 加载智能体使用历史
-  loadAgentUsageHistory();
-  
   // 兼容旧数据格式（chat_history）
   const oldHistory = localStorage.getItem('chat_history');
   if (oldHistory && conversations.length === 0) {
@@ -401,9 +348,9 @@ function renderAgentsPage() {
   const studyAgents = agents.filter(a => a.category === 'study');
   const lifeAgents = agents.filter(a => a.category === 'life');
   
-  // 获取最近使用的智能体（最多5个）
-  const recentAgents = getRecentUsedAgents(5);
-  const totalRecentCount = agentUsageHistory.length;
+  // 获取使用智能体的对话历史（最多5个）
+  const recentAgentConvos = getAgentConversationHistory(5);
+  const totalAgentConvos = conversations.filter(c => c.agentId).length;
   
   return `
     <div class="agents-page">
@@ -413,24 +360,24 @@ function renderAgentsPage() {
       
       <div class="agents-content">
         <!-- 最近使用 -->
-        ${recentAgents.length > 0 ? `
+        ${recentAgentConvos.length > 0 ? `
         <div class="agents-section">
           <div class="section-title-row">
             <div class="section-title">🕐 最近使用</div>
-            ${totalRecentCount > 5 ? `
+            ${totalAgentConvos > 5 ? `
             <div class="section-more" id="showAllRecentBtn">更多&gt;&gt;</div>
             ` : ''}
           </div>
           <div class="recent-agents-list">
-            ${recentAgents.map(agent => `
-              <div class="recent-agent-item" data-id="${agent.id}">
+            ${recentAgentConvos.map(conv => `
+              <div class="recent-agent-item" data-conv-id="${conv.id}">
                 <div class="recent-agent-left">
-                  <span class="recent-agent-avatar">${agent.avatar}</span>
-                  <span class="recent-agent-name">${agent.name}</span>
+                  <span class="recent-agent-avatar">${conv.agent ? conv.agent.avatar : '🤖'}</span>
+                  <span class="recent-agent-name">${conv.title}</span>
                 </div>
                 <div class="recent-agent-right">
-                  <span class="recent-agent-usage">${agent.usageCount}次</span>
-                  <span class="recent-agent-time">${formatUsageTime(agent.lastUsedAt)}</span>
+                  <span class="recent-agent-agent-name">${conv.agent ? conv.agent.name : '未知智能体'}</span>
+                  <span class="recent-agent-time">${formatTime(conv.updatedAt)}</span>
                 </div>
               </div>
             `).join('')}
@@ -499,7 +446,7 @@ function renderAgentsPage() {
 }
 
 function bindAgentsPageEvents() {
-  // 智能体卡片点击
+  // 智能体卡片点击（新建对话）
   document.querySelectorAll('.agent-card').forEach(card => {
     card.addEventListener('click', () => {
       const id = card.getAttribute('data-id');
@@ -507,11 +454,13 @@ function bindAgentsPageEvents() {
     });
   });
   
-  // 最近使用智能体点击
+  // 最近使用对话点击（打开已有对话）
   document.querySelectorAll('.recent-agent-item').forEach(item => {
     item.addEventListener('click', () => {
-      const id = item.getAttribute('data-id');
-      openAgent(id);
+      const convId = item.getAttribute('data-conv-id');
+      if (convId) {
+        openConversation(convId);
+      }
     });
   });
   
@@ -579,7 +528,7 @@ function bindProfilePageEvents() {
 
 // 查看全部历史使用
 function showAgentHistoryPage() {
-  const allRecentAgents = getRecentUsedAgents(100);  // 获取所有
+  const allAgentConvos = getAgentConversationHistory(100);  // 获取所有
   
   const historyHtml = `
     <div class="agent-history-page">
@@ -591,17 +540,17 @@ function showAgentHistoryPage() {
       </header>
       
       <div class="agent-history-content">
-        ${allRecentAgents.length === 0 
+        ${allAgentConvos.length === 0 
           ? '<div class="empty-list">暂无历史使用记录</div>'
-          : allRecentAgents.map(agent => `
-            <div class="agent-history-item" data-id="${agent.id}">
+          : allAgentConvos.map(conv => `
+            <div class="agent-history-item" data-conv-id="${conv.id}">
               <div class="agent-history-left">
-                <span class="agent-history-avatar">${agent.avatar}</span>
-                <span class="agent-history-name">${agent.name}</span>
+                <span class="agent-history-avatar">${conv.agent ? conv.agent.avatar : '🤖'}</span>
+                <span class="agent-history-name">${conv.title}</span>
               </div>
               <div class="agent-history-right">
-                <span class="agent-history-usage">${agent.usageCount}次</span>
-                <span class="agent-history-time">${formatUsageTime(agent.lastUsedAt)}</span>
+                <span class="agent-history-agent">${conv.agent ? conv.agent.name : '未知智能体'}</span>
+                <span class="agent-history-time">${formatTime(conv.updatedAt)}</span>
               </div>
             </div>
           `).join('')
@@ -620,11 +569,13 @@ function showAgentHistoryPage() {
     });
   }
   
-  // 绑定智能体点击
+  // 绑定对话点击（打开已有对话）
   document.querySelectorAll('.agent-history-item').forEach(item => {
     item.addEventListener('click', () => {
-      const id = item.getAttribute('data-id');
-      openAgent(id);
+      const convId = item.getAttribute('data-conv-id');
+      if (convId) {
+        openConversation(convId);
+      }
     });
   });
 }
@@ -1562,11 +1513,6 @@ async function sendMessage() {
 
   // 隐藏欢迎界面
   welcome.style.display = 'none';
-  
-  // 如果是智能体对话的第一条消息，记录智能体使用
-  if (currentConversation.agentId && currentConversation.messages.length === 0) {
-    recordAgentUsage(currentConversation.agentId);
-  }
 
   // 添加用户消息
   currentConversation.messages.push({ role: 'user', content: text });

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=3.1.2">
+  <link rel="stylesheet" href="style.css?v=3.1.3">
   <link rel="manifest" href="manifest.json">
 </head>
 <body>
   <div id="app"></div>
-  <script src="marked.min.js?v=3.1.2"></script>
-  <script src="app.js?v=3.1.2"></script>
+  <script src="marked.min.js?v=3.1.3"></script>
+  <script src="app.js?v=3.1.3"></script>
 </body>
 </html>

www/style.css

@@ -301,6 +301,14 @@ body {
   color: var(--primary);
 }
 
+.recent-agent-agent-name {
+  font-size: 12px;
+  color: var(--primary);
+  background: rgba(102, 126, 234, 0.1);
+  padding: 2px 8px;
+  border-radius: 4px;
+}
+
 /* 智能体历史页面 */
 .agent-history-page {
   display: flex;
@@ -370,6 +378,14 @@ body {
   color: var(--primary);
 }
 
+.agent-history-agent {
+  font-size: 12px;
+  color: var(--primary);
+  background: rgba(102, 126, 234, 0.1);
+  padding: 2px 8px;
+  border-radius: 4px;
+}
+
 /* ==================== 我的页面 ==================== */
 
 .profile-page {