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<!-- templates/index.html -->
<!DOCTYPE html>
<html lang="zh-CN">
<head>
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="Content-Security-Policy" content="upgrade-insecure-requests">
   <title>教育AI助手开发平台</title>
   <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css">
   <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/[email protected]/font/bootstrap-icons.css">
   <script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js"></script>
   <script src="https://cdnjs.cloudflare.com/ajax/libs/jsPlumb/2.15.6/js/jsplumb.min.js"></script>
   <style>
       :root {
           --primary-color: #4361ee;
           --secondary-color: #3f37c9;
           --accent-color: #4cc9f0;
           --success-color: #4caf50;
           --warning-color: #ff9800;
           --danger-color: #f44336;
           --light-color: #f8f9fa;
           --dark-color: #212529;
           --border-color: #dee2e6;
           --border-radius: 0.375rem;
       }
       
       body {
           font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
           display: flex;
           margin: 0;
           padding: 0;
           height: 100vh;
           background-color: #f5f7fa;
           color: #333;
       }
       
       .sidebar {
           width: 280px;
           background-color: #fff;
           border-right: 1px solid var(--border-color);
           box-shadow: 2px 0 5px rgba(0, 0, 0, 0.05);
           display: flex;
           flex-direction: column;
           transition: all 0.3s ease;
           z-index: 1000;
       }
       
       .sidebar-header {
           padding: 1.5rem;
           border-bottom: 1px solid var(--border-color);
       }
       
       .sidebar-header h2 {
           margin: 0;
           font-size: 1.5rem;
           font-weight: 600;
           color: var(--primary-color);
       }
       
       .sidebar-menu {
           list-style: none;
           padding: 0;
           margin: 0;
           flex: 1;
           overflow-y: auto;
       }
       
       .sidebar-menu li {
           padding: 1rem 1.5rem;
           cursor: pointer;
           transition: background-color 0.2s ease;
           display: flex;
           align-items: center;
           position: relative;
       }
       
       .sidebar-menu li i {
           margin-right: 0.75rem;
           font-size: 1.1rem;
       }
       
       .sidebar-menu li:hover {
           background-color: rgba(67, 97, 238, 0.05);
           color: var(--primary-color);
       }
       
       .sidebar-menu li.active {
           background-color: rgba(67, 97, 238, 0.1);
           color: var(--primary-color);
           font-weight: 500;
       }
       
       .sidebar-menu li.active::before {
           content: '';
           position: absolute;
           left: 0;
           top: 0;
           bottom: 0;
           width: 4px;
           background-color: var(--primary-color);
       }
       
       .main-content {
           flex: 1;
           padding: 2rem;
           overflow-y: auto;
       }
       
       .content-header {
           margin-bottom: 2rem;
       }
       
       .content-header h1 {
           margin: 0;
           font-size: 1.75rem;
           font-weight: 600;
           color: #333;
       }
       
       .content-section {
           display: none;
       }
       
       .content-section.active {
           display: block;
       }
       
       .card {
           background-color: #fff;
           border-radius: var(--border-radius);
           box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
           margin-bottom: 1.5rem;
           border: 1px solid var(--border-color);
          overflow: hidden;
      }
      
      .card-header {
          background-color: #fff;
          border-bottom: 1px solid var(--border-color);
          padding: 1rem 1.5rem;
          display: flex;
          justify-content: space-between;
          align-items: center;
      }
      
      .card-header h3 {
          margin: 0;
          font-size: 1.2rem;
          font-weight: 600;
      }
      
      .card-body {
          padding: 1.5rem;
      }
      
      .form-group {
          margin-bottom: 1.5rem;
      }
      
      .form-label {
          font-weight: 500;
          margin-bottom: 0.5rem;
          display: block;
      }
      
      .form-control {
          border-radius: var(--border-radius);
      }
      
      .btn {
          border-radius: var(--border-radius);
          font-weight: 500;
      }
      
      .btn-primary {
          background-color: var(--primary-color);
          border-color: var(--primary-color);
      }
      
      .btn-primary:hover {
          background-color: var(--secondary-color);
          border-color: var(--secondary-color);
      }
      
      .workflow-editor {
          border: 1px solid var(--border-color);
          border-radius: var(--border-radius);
          min-height: 400px;
          background-color: #f8f9fa;
          position: relative;
      }
      
      .knowledge-item {
          padding: 1rem;
          margin-bottom: 1rem;
          border: 1px solid var(--border-color);
          border-radius: var(--border-radius);
          background-color: #fff;
          transition: all 0.2s ease;
      }
      
      .knowledge-item:hover {
          box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
      }
      
      .knowledge-item .header {
          display: flex;
          justify-content: space-between;
          align-items: center;
          margin-bottom: 0.5rem;
      }
      
      .agent-item {
          padding: 1.25rem;
          margin-bottom: 1.5rem;
          border-radius: var(--border-radius);
          background-color: #fff;
          box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
          transition: all 0.2s ease;
          border-left: 4px solid var(--primary-color);
      }
      
      .agent-item:hover {
          box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
          transform: translateY(-2px);
      }
      
      .agent-item .header {
          display: flex;
          justify-content: space-between;
          align-items: center;
          margin-bottom: 1rem;
      }
      
      .agent-item .title {
          font-size: 1.2rem;
          font-weight: 600;
          margin: 0;
          color: #333;
      }
      
      .agent-item .description {
          color: #666;
          margin-bottom: 1rem;
      }
      
      .agent-item .meta {
          display: flex;
          font-size: 0.85rem;
          color: #777;
          margin-top: 1rem;
      }
      
      .agent-item .meta div {
          margin-right: 1.5rem;
          display: flex;
          align-items: center;
      }
      
      .agent-item .meta i {
          margin-right: 0.5rem;
      }
      
      .nav-tabs {
          border-bottom: 1px solid var(--border-color);
          margin-bottom: 1.5rem;
      }
      
      .nav-tabs .nav-link {
          margin-bottom: -1px;
          border: 1px solid transparent;
          border-top-left-radius: 0.375rem;
          border-top-right-radius: 0.375rem;
          padding: 0.75rem 1.25rem;
          color: #495057;
      }
      
      .nav-tabs .nav-link.active {
          color: var(--primary-color);
          background-color: #fff;
          border-color: var(--border-color) var(--border-color) #fff;
          font-weight: 500;
      }
      
      .nav-tabs .nav-link:hover {
          border-color: #e9ecef #e9ecef var(--border-color);
      }
      
      .spinner-border {
          width: 1.5rem;
          height: 1.5rem;
      }
      
      .distribution-link {
          padding: 0.75rem 1rem;
          background-color: #f8f9fa;
          border: 1px solid var(--border-color);
          border-radius: var(--border-radius);
          display: flex;
          justify-content: space-between;
          align-items: center;
          margin-bottom: 1rem;
      }
      
      .badge {
          display: inline-block;
          padding: 0.35em 0.65em;
          font-size: 0.75em;
          font-weight: 500;
          line-height: 1;
          text-align: center;
          white-space: nowrap;
          vertical-align: baseline;
          border-radius: 50rem;
          margin-left: 0.5rem;
      }
      
      .badge-primary {
          background-color: var(--primary-color);
          color: #fff;
      }
      
      .badge-success {
          background-color: var(--success-color);
          color: #fff;
      }
      
      .badge-warning {
          background-color: var(--warning-color);
          color: #fff;
      }
      
      .plugin-option {
          padding: 1rem;
          margin-bottom: 1rem;
          border: 1px solid var(--border-color);
          border-radius: var(--border-radius);
          display: flex;
          align-items: center;
          cursor: pointer;
          transition: all 0.2s ease;
      }
      
      .plugin-option:hover {
          background-color: rgba(67, 97, 238, 0.05);
          border-color: var(--primary-color);
      }
      
      .plugin-option.selected {
          background-color: rgba(67, 97, 238, 0.1);
          border-color: var(--primary-color);
      }
      
      .plugin-option .icon {
          font-size: 1.5rem;
          margin-right: 1rem;
          color: var(--primary-color);
      }
      
      .plugin-option .content {
          flex: 1;
      }
      
      .plugin-option .title {
          font-weight: 500;
          margin-bottom: 0.25rem;
      }
      
      .plugin-option .description {
          font-size: 0.9rem;
          color: #666;
      }

      /* 工作流可视化相关样式 */
      .workflow-canvas {
          height: 400px;
          background-color: #f9fbfd;
          border: 1px solid var(--border-color);
          border-radius: var(--border-radius);
          position: relative;
      }
      
      /* 工作流节点样式 */
      .workflow-node {
          position: absolute;
          width: 150px;
          height: 50px;
          background-color: white;
          border-radius: 4px;
          border: 1px solid #ccc;
          box-shadow: 0 2px 6px rgba(0,0,0,0.1);
          display: flex;
          overflow: hidden;
          user-select: none;
          z-index: 10;
      }
      
      .node-icon {
          display: flex;
          align-items: center;
          justify-content: center;
          width: 30px;
          height: 100%;
          color: white;
          font-weight: bold;
      }
      
      .node-content {
          flex: 1;
          display: flex;
          align-items: center;
          justify-content: center;
          padding: 0 10px;
          font-size: 14px;
          color: #333;
      }
      
      /* 节点类型样式 */
      .node-type-intent_recognition .node-icon {
          background-color: #673AB7;
      }
      .node-type-intent_recognition {
          border-color: #673AB7;
          background-color: #EDE7F6;
      }
      
      .node-type-knowledge_query .node-icon {
          background-color: #009688;
      }
      .node-type-knowledge_query {
          border-color: #009688;
          background-color: #E0F2F1;
      }
      
      .node-type-plugin_call .node-icon {
          background-color: #FF9800;
      }
      .node-type-plugin_call {
          border-color: #FF9800;
          background-color: #FFF3E0;
      }
      
      .node-type-generate_response .node-icon {
          background-color: #2196F3;
      }
      .node-type-generate_response {
          border-color: #2196F3;
          background-color: #E3F2FD;
      }
      
      /* jsPlumb 连接线标签样式 */
      .connection-label {
          background-color: white;
          padding: 3px 6px;
          border-radius: 3px;
          border: 1px solid #eee;
          font-size: 12px;
          color: #666;
      }
  </style>
</head>
<body>
  <div class="sidebar">
      <div class="sidebar-header">
          <h2>AI助教开发平台</h2>
      </div>
      <ul class="sidebar-menu">
          <li class="active" data-section="dashboard">
              <i class="bi bi-grid-1x2"></i>
              <span>仪表盘</span>
          </li>
          <li data-section="create-agent">
              <i class="bi bi-plus-circle"></i>
              <span>创建Agent</span>
          </li>
          <li data-section="knowledge-base">
              <i class="bi bi-database"></i>
              <span>知识库管理</span>
          </li>
          <li data-section="agent-list">
              <i class="bi bi-list-ul"></i>
              <span>Agent列表</span>
          </li>
      </ul>
  </div>
  
  <div class="main-content">
      <!-- 仪表盘 -->
      <section id="dashboard" class="content-section active">
          <div class="content-header">
              <h1>仪表盘</h1>
              <p class="text-muted mt-2">欢迎使用教育AI助手开发平台</p>
          </div>
          
          <div class="row">
              <div class="col-md-4">
                  <div class="card">
                      <div class="card-body text-center">
                          <div class="display-4 mb-3">
                              <i class="bi bi-robot text-primary"></i>
                          </div>
                          <h3 id="agent-count">0</h3>
                          <p class="text-muted">AI助手</p>
                      </div>
                  </div>
              </div>
              <div class="col-md-4">
                  <div class="card">
                      <div class="card-body text-center">
                          <div class="display-4 mb-3">
                              <i class="bi bi-database text-success"></i>
                          </div>
                          <h3 id="knowledge-count">0</h3>
                          <p class="text-muted">知识库</p>
                      </div>
                  </div>
              </div>
              <div class="col-md-4">
                  <div class="card">
                      <div class="card-body text-center">
                          <div class="display-4 mb-3">
                              <i class="bi bi-share text-warning"></i>
                          </div>
                          <h3 id="distribution-count">0</h3>
                          <p class="text-muted">分发链接</p>
                      </div>
                  </div>
              </div>
          </div>
          
          <div class="row mt-4">
              <div class="col-md-6">
                  <div class="card">
                      <div class="card-header">
                          <h3>最近创建的Agent</h3>
                      </div>
                      <div class="card-body" id="recent-agents">
                          <div class="text-center py-4">
                              <div class="spinner-border text-primary" role="status">
                                  <span class="visually-hidden">加载中...</span>
                              </div>
                          </div>
                      </div>
                  </div>
              </div>
              <div class="col-md-6">
                  <div class="card">
                      <div class="card-header">
                          <h3>快速入门</h3>
                      </div>
                      <div class="card-body">
                          <div class="quick-start-item mb-3 p-3 border-bottom">
                              <h5><i class="bi bi-1-circle me-2"></i> 创建知识库</h5>
                              <p>上传PDF、文本等文档,构建AI助手的知识基础。</p>
                              <button class="btn btn-sm btn-outline-primary" onclick="switchSection('knowledge-base')">开始创建</button>
                          </div>
                          <div class="quick-start-item mb-3 p-3 border-bottom">
                              <h5><i class="bi bi-2-circle me-2"></i> 创建Agent</h5>
                              <p>设计您的AI助手,选择插件和知识库。</p>
                              <button class="btn btn-sm btn-outline-primary" onclick="switchSection('create-agent')">开始创建</button>
                          </div>
                          <div class="quick-start-item p-3">
                              <h5><i class="bi bi-3-circle me-2"></i> 分发给学生</h5>
                              <p>生成访问链接,分享给您的学生。</p>
                              <button class="btn btn-sm btn-outline-primary" onclick="switchSection('agent-list')">查看Agent</button>
                          </div>
                      </div>
                  </div>
              </div>
          </div>
      </section>
      
      <!-- 创建Agent -->
      <section id="create-agent" class="content-section">
          <div class="content-header">
              <h1>创建新Agent</h1>
              <p class="text-muted mt-2">设计您的AI助教Agent</p>
          </div>
          
          <div class="card">
              <div class="card-body">
                  <ul class="nav nav-tabs" id="agentCreationTabs" role="tablist">
                      <li class="nav-item" role="presentation">
                          <button class="nav-link active" id="basic-tab" data-bs-toggle="tab" data-bs-target="#basic" type="button" role="tab" aria-controls="basic" aria-selected="true">基本信息</button>
                      </li>
                      <li class="nav-item" role="presentation">
                          <button class="nav-link" id="plugins-tab" data-bs-toggle="tab" data-bs-target="#plugins" type="button" role="tab" aria-controls="plugins" aria-selected="false">插件选择</button>
                      </li>
                      <li class="nav-item" role="presentation">
                          <button class="nav-link" id="knowledge-tab" data-bs-toggle="tab" data-bs-target="#knowledge" type="button" role="tab" aria-controls="knowledge" aria-selected="false">知识库</button>
                      </li>
                      <li class="nav-item" role="presentation">
                          <button class="nav-link" id="workflow-tab" data-bs-toggle="tab" data-bs-target="#workflow" type="button" role="tab" aria-controls="workflow" aria-selected="false">工作流设计</button>
                      </li>
                  </ul>
                  
                  <div class="tab-content" id="agentCreationTabContent">
                      <!-- 基本信息 -->
                      <div class="tab-pane fade show active" id="basic" role="tabpanel" aria-labelledby="basic-tab">
                          <div class="mt-4">
                              <div class="form-group">
                                  <label for="agent-name" class="form-label">Agent名称</label>
                                  <input type="text" class="form-control" id="agent-name" placeholder="例如:计算机组成原理助教">
                              </div>
                              <div class="form-group">
                                  <label for="agent-description" class="form-label">描述</label>
                                  <textarea class="form-control" id="agent-description" rows="3" placeholder="描述这个Agent的功能和用途..."></textarea>
                              </div>
                              <div class="form-group">
                                  <label for="agent-subject" class="form-label">学科/课程名称</label>
                                  <input type="text" class="form-control" id="agent-subject" placeholder="例如:计算机组成原理">
                                  <div class="form-text">这将影响AI助教的知识领域定位</div>
                              </div>
                              <div class="form-group">
                                  <label for="agent-instructor" class="form-label">指导教师</label>
                                  <input type="text" class="form-control" id="agent-instructor" placeholder="例如:李志刚教授">
                              </div>
                              <div class="form-group">
                                  <label for="agent-type" class="form-label">Agent类型</label>
                                  <select class="form-select" id="agent-type">
                                      <option value="educational">教育辅导</option>
                                      <option value="programming">编程辅助</option>
                                      <option value="math">数学辅导</option>
                                      <option value="general">通用助手</option>
                                  </select>
                              </div>
                              <button class="btn btn-primary" onclick="nextTab('plugins-tab')">下一步</button>
                          </div>
                      </div>
                      
                      <!-- 插件选择 -->
                      <div class="tab-pane fade" id="plugins" role="tabpanel" aria-labelledby="plugins-tab">
                          <div class="mt-4">
                              <div class="mb-3">
                                  <h5>选择Agent所需的插件</h5>
                                  <p class="text-muted">插件可以扩展Agent的能力,使其更加强大</p>
                              </div>
                              
                              <div class="plugin-option" data-plugin="code" onclick="togglePluginSelection(this)">
                                  <div class="icon">
                                      <i class="bi bi-code-square"></i>
                                  </div>
                                  <div class="content">
                                      <div class="title">代码执行</div>
                                      <div class="description">允许学生编写和执行Python代码,实时获取结果</div>
                                  </div>
                                  <div class="checkbox">
                                      <input type="checkbox" class="form-check-input">
                                  </div>
                              </div>
                              
                              <div class="plugin-option" data-plugin="visualization" onclick="togglePluginSelection(this)">
                                  <div class="icon">
                                      <i class="bi bi-bar-chart"></i>
                                  </div>
                                  <div class="content">
                                      <div class="title">3D可视化</div>
                                      <div class="description">生成交互式3D图形,帮助学生理解数学概念</div>
                                  </div>
                                  <div class="checkbox">
                                      <input type="checkbox" class="form-check-input">
                                  </div>
                              </div>
                              
                              <div class="plugin-option" data-plugin="mindmap" onclick="togglePluginSelection(this)">
                                  <div class="icon">
                                      <i class="bi bi-diagram-3"></i>
                                  </div>
                                  <div class="content">
                                      <div class="title">思维导图</div>
                                      <div class="description">创建结构化的思维导图,帮助学生梳理知识点</div>
                                  </div>
                                  <div class="checkbox">
                                      <input type="checkbox" class="form-check-input">
                                  </div>
                              </div>
                              
                              <div class="d-flex justify-content-between mt-4">
                                  <button class="btn btn-outline-secondary" onclick="nextTab('basic-tab')">上一步</button>
                                  <button class="btn btn-primary" onclick="nextTab('knowledge-tab')">下一步</button>
                              </div>
                          </div>
                      </div>
                      
                      <!-- 知识库 -->
                      <div class="tab-pane fade" id="knowledge" role="tabpanel" aria-labelledby="knowledge-tab">
                          <div class="mt-4">
                              <div class="mb-3">
                                  <h5>选择Agent使用的知识库</h5>
                                  <p class="text-muted">知识库提供Agent回答问题的专业知识</p>
                              </div>
                              
                              <div class="mb-3">
                                  <div class="input-group">
                                      <input type="text" class="form-control" placeholder="搜索知识库..." id="knowledge-search">
                                      <button class="btn btn-outline-secondary" type="button">
                                          <i class="bi bi-search"></i>
                                      </button>
                                  </div>
                              </div>
                              
                              <div id="knowledge-list" class="mb-4">
                                  <div class="text-center py-4">
                                      <div class="spinner-border text-primary" role="status">
                                          <span class="visually-hidden">加载中...</span>
                                      </div>
                                  </div>
                              </div>
                              
                              <div class="d-flex justify-content-between mt-4">
                                  <button class="btn btn-outline-secondary" onclick="nextTab('plugins-tab')">上一步</button>
                                  <button class="btn btn-primary" onclick="nextTab('workflow-tab')">下一步</button>
                              </div>
                          </div>
                      </div>
                      
                      <!-- 工作流设计 -->
                      <div class="tab-pane fade" id="workflow" role="tabpanel" aria-labelledby="workflow-tab">
                          <div class="mt-4">
                              <div class="mb-3">
                                  <h5>设计Agent工作流</h5>
                                  <p class="text-muted">定义Agent如何处理用户的请求</p>
                              </div>
                              
                              <div class="mb-4">
                                  <button class="btn btn-primary" id="ai-workflow-btn">
                                      <i class="bi bi-magic"></i> 使用AI自动设计工作流
                                  </button>
                              </div>
                              
                              <div class="card mb-4">
                                  <div class="card-body p-0">
                                    <ul class="nav nav-tabs" id="workflowViewTabs" role="tablist">
                                        <li class="nav-item" role="presentation">
                                            <button class="nav-link active" id="visual-tab" data-bs-toggle="tab" data-bs-target="#visual-view" type="button" role="tab">可视化视图</button>
                                        </li>
                                        <li class="nav-item" role="presentation">
                                            <button class="nav-link" id="code-tab" data-bs-toggle="tab" data-bs-target="#code-view" type="button" role="tab">代码视图</button>
                                        </li>
                                    </ul>
                                    <div class="tab-content" id="workflowViewContent">
                                        <div class="tab-pane fade show active" id="visual-view" role="tabpanel">
                                            <div id="workflow-canvas" class="workflow-canvas">
                                                <div class="p-4 text-center text-muted">
                                                    点击"使用AI自动设计工作流"按钮,或手动设计工作流
                                                </div>
                                            </div>
                                        </div>
                                        <div class="tab-pane fade" id="code-view" role="tabpanel">
                                            <div class="p-4">
                                                <pre id="workflow-code" class="mb-0 p-3 bg-light border rounded">{}</pre>
                                            </div>
                                        </div>
                                    </div>
                                  </div>
                              </div>
                              
                              <div class="d-flex justify-content-between">
                                  <button class="btn btn-outline-secondary" onclick="nextTab('knowledge-tab')">上一步</button>
                                  <button class="btn btn-success" id="create-agent-btn">创建Agent</button>
                              </div>
                          </div>
                      </div>
                  </div>
              </div>
          </div>
      </section>
      
      <!-- 知识库管理 -->
      <section id="knowledge-base" class="content-section">
          <div class="content-header">
              <h1>知识库管理</h1>
              <p class="text-muted mt-2">上传和管理Agent的知识源</p>
          </div>
          
          <div class="row">
              <div class="col-md-4">
                  <div class="card">
                      <div class="card-header">
                          <h3>创建知识库</h3>
                      </div>
                      <div class="card-body">
                          <form id="knowledge-form">
                              <div class="form-group">
                                  <label for="knowledge-name" class="form-label">知识库名称</label>
                                  <input type="text" class="form-control" id="knowledge-name" placeholder="例如:计算机组成原理" required>
                              </div>
                              
                              <div class="form-group">
                                  <label for="knowledge-file" class="form-label">上传文件</label>
                                  <input type="file" class="form-control" id="knowledge-file" required>
                                  <div class="form-text">支持PDF、TXT、MD等格式</div>
                              </div>
                              
                              <div class="progress mt-3 mb-2" style="display: none;" id="upload-progress">
                                  <div class="progress-bar progress-bar-striped progress-bar-animated" role="progressbar" style="width: 0%"></div>
                              </div>
                              
                              <button type="submit" class="btn btn-primary mt-3 w-100">创建知识库</button>
                          </form>
                      </div>
                  </div>
              </div>
              
              <div class="col-md-8">
                  <div class="card">
                      <div class="card-header">
                          <h3>现有知识库</h3>
                      </div>
                      <div class="card-body">
                          <div id="existing-knowledge-list">
                              <div class="text-center py-4">
                                  <div class="spinner-border text-primary" role="status">
                                      <span class="visually-hidden">加载中...</span>
                                  </div>
                              </div>
                          </div>
                      </div>
                  </div>
              </div>
          </div>
      </section>
      
      <!-- Agent列表 -->
      <section id="agent-list" class="content-section">
          <div class="content-header d-flex justify-content-between align-items-center">
              <div>
                  <h1>Agent列表</h1>
                  <p class="text-muted mt-2">管理和分发您创建的AI助手</p>
              </div>
              <div>
                  <button class="btn btn-primary" onclick="switchSection('create-agent')">
                      <i class="bi bi-plus-lg"></i> 创建新Agent
                  </button>
              </div>
          </div>
          
          <div class="row">
              <div class="col-12">
                  <div class="card">
                      <div class="card-body">
                          <div id="agent-list-container">
                              <div class="text-center py-4">
                                  <div class="spinner-border text-primary" role="status">
                                      <span class="visually-hidden">加载中...</span>
                                  </div>
                              </div>
                          </div>
                      </div>
                  </div>
              </div>
          </div>
      </section>
  </div>
  
  <!-- 模态框:Agent详情 -->
  <div class="modal fade" id="agentDetailModal" tabindex="-1" aria-hidden="true">
      <div class="modal-dialog modal-lg">
          <div class="modal-content">
              <div class="modal-header">
                  <h5 class="modal-title" id="agent-detail-title">Agent详情</h5>
                  <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
              </div>
              <div class="modal-body" id="agent-detail-body">
                <!-- Agent详情将通过JavaScript填充 -->
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">关闭</button>
            </div>
        </div>
    </div>
</div>

<!-- 模态框:创建分发链接 -->
<div class="modal fade" id="createDistributionModal" tabindex="-1" aria-hidden="true">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title">创建分发链接</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
            </div>
            <div class="modal-body">
                <form id="distribution-form">
                    <input type="hidden" id="distribution-agent-id">
                    <div class="form-group mb-3">
                        <label for="distribution-expires" class="form-label">链接有效期</label>
                        <select class="form-select" id="distribution-expires">
                            <option value="0">永不过期</option>
                            <option value="86400">1天</option>
                            <option value="604800">7天</option>
                            <option value="2592000">30天</option>
                        </select>
                    </div>
                </form>
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">取消</button>
                <button type="button" class="btn btn-primary" id="create-distribution-btn">创建链接</button>
            </div>
        </div>
    </div>
</div>

<!-- 模态框:显示分发链接 -->
<div class="modal fade" id="showDistributionModal" tabindex="-1" aria-hidden="true">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title">分发链接</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
            </div>
            <div class="modal-body">
                <div class="alert alert-success">
                    链接创建成功!请复制以下链接分享给学生
                </div>
                <div class="input-group mb-3">
                    <input type="text" class="form-control" id="distribution-link" readonly>
                    <button class="btn btn-outline-secondary" type="button" onclick="copyToClipboard('distribution-link')">
                        <i class="bi bi-clipboard"></i>
                    </button>
                </div>
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">关闭</button>
            </div>
        </div>
    </div>
</div>

<script>
    // 初始化变量
let selectedPlugins = [];
let selectedKnowledgeBases = [];
let currentWorkflow = { nodes: [], edges: [] };
let allKnowledgeBases = [];
let allAgents = [];
let jsPlumbWorkflowInstance = null; // 添加jsPlumb实例变量

// 页面加载完成后执行
document.addEventListener('DOMContentLoaded', function() {
    // 初始化侧边栏菜单点击事件
    document.querySelectorAll('.sidebar-menu li').forEach(item => {
        item.addEventListener('click', function() {
            const section = this.getAttribute('data-section');
            switchSection(section);
        });
    });
    
    // 初始化表单提交事件
    document.getElementById('knowledge-form').addEventListener('submit', createKnowledgeBase);
    
    // 初始化AI工作流按钮
    document.getElementById('ai-workflow-btn').addEventListener('click', generateAIWorkflow);
    
    // 初始化创建Agent按钮
    document.getElementById('create-agent-btn').addEventListener('click', createAgent);
    
    // 初始化创建分发链接按钮
    document.getElementById('create-distribution-btn').addEventListener('click', createDistribution);
    
    // 初始化工作流视图标签切换
    initWorkflowTabs();
    
    // 加载知识库列表
    loadKnowledgeBases();
    
    // 加载Agent列表
    loadAgents();
});

// 初始化工作流标签切换
function initWorkflowTabs() {
    // 为主工作流和详情工作流标签添加点击事件
    document.querySelectorAll('#workflowViewTabs .nav-link, #detailWorkflowTabs .nav-link').forEach(tab => {
        tab.addEventListener('click', function(event) {
            event.preventDefault();
            
            // 获取目标面板ID
            const targetId = this.getAttribute('data-bs-target');
            const targetPane = document.querySelector(targetId);
            
            if (!targetPane) return;
            
            // 获取所有同级标签并移除激活状态
            const tabs = this.closest('.nav-tabs').querySelectorAll('.nav-link');
            tabs.forEach(t => t.classList.remove('active'));
            
            // 激活当前标签
            this.classList.add('active');
            
            // 获取所有同级面板并隐藏
            const tabContent = targetPane.closest('.tab-content');
            if (tabContent) {
                tabContent.querySelectorAll('.tab-pane').forEach(pane => {
                    pane.classList.remove('show', 'active');
                });
            }
            
            // 显示目标面板
            targetPane.classList.add('show', 'active');
            
            // 如果切换到可视化视图,重新渲染工作流
            if (targetId === '#visual-view' || targetId === '#detail-visual-view') {
                const canvasId = targetId === '#visual-view' ? 'workflow-canvas' : 'detail-workflow-canvas';
                
                // 确定要使用的工作流数据
                let workflowData = currentWorkflow;
                if (targetId === '#detail-visual-view') {
                    const modalBody = document.getElementById('agent-detail-body');
                    if (modalBody && modalBody.dataset.agentWorkflow) {
                        try {
                            workflowData = JSON.parse(modalBody.dataset.agentWorkflow);
                        } catch (e) {
                            console.error('解析工作流数据出错:', e);
                        }
                    }
                }
                
                // 延迟一小段时间确保DOM已经更新
                setTimeout(() => {
                    renderWorkflowVisualization(workflowData, canvasId);
                }, 200);
            }
        });
    });
}

// 切换内容区域
function switchSection(section) {
    // 隐藏所有内容区域
    document.querySelectorAll('.content-section').forEach(item => {
        item.classList.remove('active');
    });
    
    // 显示选中的内容区域
    document.getElementById(section).classList.add('active');
    
    // 更新侧边栏选中状态
    document.querySelectorAll('.sidebar-menu li').forEach(item => {
        item.classList.remove('active');
        if (item.getAttribute('data-section') === section) {
            item.classList.add('active');
        }
    });
    
    // 如果切换到了工作流视图,重新绘制连接
    if (section === 'create-agent') {
        // 获取当前激活的标签页
        const activeTab = document.querySelector('#agentCreationTabs .nav-link.active');
        if (activeTab && activeTab.id === 'workflow-tab') {
            // 检查当前哪个视图处于激活状态
            const activeView = document.querySelector('#workflowViewContent .tab-pane.active');
            if (activeView && activeView.id === 'visual-view') {
                // 延迟执行以确保DOM已更新
                setTimeout(() => {
                    renderWorkflowVisualization(currentWorkflow, 'workflow-canvas');
                }, 200);
            }
        }
    }
}

// 切换到下一个选项卡
function nextTab(tabId) {
    const tab = document.getElementById(tabId);
    const bsTab = new bootstrap.Tab(tab);
    bsTab.show();
}

// 切换插件选择状态
function togglePluginSelection(element) {
    const pluginId = element.getAttribute('data-plugin');
    const checkbox = element.querySelector('input[type="checkbox"]');
    
    if (element.classList.contains('selected')) {
        element.classList.remove('selected');
        checkbox.checked = false;
        selectedPlugins = selectedPlugins.filter(id => id !== pluginId);
    } else {
        element.classList.add('selected');
        checkbox.checked = true;
        selectedPlugins.push(pluginId);
    }
}

// 切换知识库选择状态
function toggleKnowledgeSelection(element) {
    const knowledgeId = element.getAttribute('data-id');
    
    if (element.classList.contains('selected')) {
        element.classList.remove('selected');
        element.querySelector('input[type="checkbox"]').checked = false;
        selectedKnowledgeBases = selectedKnowledgeBases.filter(id => id !== knowledgeId);
    } else {
        element.classList.add('selected');
        element.querySelector('input[type="checkbox"]').checked = true;
        selectedKnowledgeBases.push(knowledgeId);
    }
}

// 加载知识库列表
async function loadKnowledgeBases() {
    try {
        const response = await fetch('/api/knowledge');
        const result = await response.json();
        
        if (result.success) {
            allKnowledgeBases = result.data || [];
            
            // 更新仪表盘计数
            document.getElementById('knowledge-count').textContent = allKnowledgeBases.length;
            
            // 更新Agent创建页面的知识库列表
            const knowledgeListElement = document.getElementById('knowledge-list');
            if (knowledgeListElement) {
                if (allKnowledgeBases.length === 0) {
                    knowledgeListElement.innerHTML = `
                        <div class="alert alert-info">
                            <i class="bi bi-info-circle me-2"></i>
                            暂无知识库,请先创建知识库
                        </div>
                        <div class="text-center">
                            <button class="btn btn-primary" onclick="switchSection('knowledge-base')">
                                创建知识库
                            </button>
                        </div>
                    `;
                } else {
                    knowledgeListElement.innerHTML = '';
                    
                    allKnowledgeBases.forEach(knowledge => {
                        const item = document.createElement('div');
                        item.className = 'plugin-option';
                        item.setAttribute('data-id', knowledge.id);
                        item.setAttribute('onclick', 'toggleKnowledgeSelection(this)');
                        
                        item.innerHTML = `
                            <div class="icon">
                                <i class="bi bi-journal-text"></i>
                            </div>
                            <div class="content">
                                <div class="title">${knowledge.name}</div>
                                <div class="description">
                                    <small>${knowledge.fileCount}个文件</small>
                                </div>
                            </div>
                            <div class="checkbox">
                                <input type="checkbox" class="form-check-input">
                            </div>
                        `;
                        
                        knowledgeListElement.appendChild(item);
                    });
                }
            }
            
            // 更新知识库管理页面的列表
            const existingKnowledgeList = document.getElementById('existing-knowledge-list');
            if (existingKnowledgeList) {
                if (allKnowledgeBases.length === 0) {
                    existingKnowledgeList.innerHTML = `
                        <div class="alert alert-info">
                            <i class="bi bi-info-circle me-2"></i>
                            暂无知识库,请创建第一个知识库
                        </div>
                    `;
                } else {
                    existingKnowledgeList.innerHTML = '';
                    
                    allKnowledgeBases.forEach(knowledge => {
                        const item = document.createElement('div');
                        item.className = 'knowledge-item';
                        
                        let fileListHtml = '';
                        if (knowledge.files && knowledge.files.length > 0) {
                            fileListHtml = '<div class="mt-3"><small class="text-muted">包含文件:</small><ul class="list-unstyled ms-3">';
                            knowledge.files.forEach(file => {
                                fileListHtml += `<li><small><i class="bi bi-file-text me-1"></i>${file}</small></li>`;
                            });
                            fileListHtml += '</ul></div>';
                        }
                        
                        item.innerHTML = `
                            <div class="header">
                                <h5>${knowledge.name}</h5>
                                <div>
                                    <button class="btn btn-sm btn-outline-danger" onclick="deleteKnowledgeBase('${knowledge.id}')">
                                        <i class="bi bi-trash"></i>
                                    </button>
                                </div>
                            </div>
                            <div>
                                <span class="badge bg-primary">${knowledge.fileCount}个文件</span>
                            </div>
                            ${fileListHtml}
                            <div class="mt-3">
                                <form class="upload-form" data-id="${knowledge.id}">
                                    <div class="input-group">
                                        <input type="file" class="form-control form-control-sm" required>
                                        <button type="submit" class="btn btn-sm btn-outline-primary">添加文件</button>
                                    </div>
                                </form>
                            </div>
                        `;
                        
                        existingKnowledgeList.appendChild(item);
                    });
                    
                    // 添加上传表单事件监听
                    document.querySelectorAll('.upload-form').forEach(form => {
                        form.addEventListener('submit', function(event) {
                            event.preventDefault();
                            addFileToKnowledgeBase(form);
                        });
                    });
                }
            }
        } else {
            console.error('加载知识库失败:', result.message);
        }
    } catch (error) {
        console.error('加载知识库出错:', error);
    }
}

// 创建知识库
async function createKnowledgeBase(event) {
    event.preventDefault();
    
    const nameInput = document.getElementById('knowledge-name');
    const fileInput = document.getElementById('knowledge-file');
    const progressBar = document.getElementById('upload-progress');
    
    if (!nameInput.value || !fileInput.files[0]) {
        alert('请填写知识库名称并选择文件');
        return;
    }
    
    // 显示进度条
    progressBar.style.display = 'block';
    progressBar.querySelector('.progress-bar').style.width = '0%';
    
    const formData = new FormData();
    formData.append('name', nameInput.value);
    formData.append('file', fileInput.files[0]);
    
    try {
        const response = await fetch('/api/knowledge', {
            method: 'POST',
            body: formData
        });
        
        const result = await response.json();
        
        if (result.success) {
            // 成功启动处理,轮询进度
            pollProgress(result.task_id, progressBar);
        } else {
            alert('创建知识库失败: ' + result.message);
            progressBar.style.display = 'none';
        }
    } catch (error) {
        console.error('创建知识库出错:', error);
        alert('创建知识库出错,请查看控制台日志');
        progressBar.style.display = 'none';
    }
}

// 添加文件到知识库
async function addFileToKnowledgeBase(form) {
    const knowledgeId = form.getAttribute('data-id');
    const fileInput = form.querySelector('input[type="file"]');
    const submitBtn = form.querySelector('button[type="submit"]');
    
    if (!fileInput.files[0]) {
        alert('请选择文件');
        return;
    }
    
    // 禁用提交按钮
    submitBtn.disabled = true;
    submitBtn.textContent = '上传中...';
    
    const formData = new FormData();
    formData.append('file', fileInput.files[0]);
    
    try {
        const response = await fetch(`/api/knowledge/${knowledgeId}/documents`, {
            method: 'POST',
            body: formData
        });
        
        const result = await response.json();
        
        if (result.success) {
            alert('文件上传成功,开始处理');
            // 轮询处理进度
            pollProgressSimple(result.task_id, submitBtn);
        } else {
            alert('添加文件失败: ' + result.message);
            submitBtn.disabled = false;
            submitBtn.textContent = '添加文件';
        }
    } catch (error) {
        console.error('添加文件出错:', error);
        alert('添加文件出错,请查看控制台日志');
        submitBtn.disabled = false;
        submitBtn.textContent = '添加文件';
    }
}

// 删除知识库
async function deleteKnowledgeBase(knowledgeId) {
    if (!confirm('确定要删除这个知识库吗?此操作不可恢复。')) {
        return;
    }
    
    try {
        const response = await fetch(`/api/knowledge/${knowledgeId}`, {
            method: 'DELETE'
        });
        
        const result = await response.json();
        
        if (result.success) {
            alert('知识库删除成功!');
            loadKnowledgeBases(); // 重新加载知识库列表
        } else {
            alert('删除知识库失败: ' + result.message);
        }
    } catch (error) {
        console.error('删除知识库出错:', error);
        alert('删除知识库出错,请查看控制台日志');
    }
}

// 轮询进度(带进度条显示)
function pollProgress(taskId, progressElement) {
    const progressBar = progressElement.querySelector('.progress-bar');
    
    const interval = setInterval(async () => {
        try {
            const response = await fetch(`/api/progress/${taskId}`);
            const data = await response.json();
            
            if (data.success) {
                const progressData = data.data;
                
                // 更新进度条
                progressBar.style.width = progressData.progress + '%';
                
                // 处理完成或出错时
                if (progressData.progress >= 100 || progressData.error) {
                    clearInterval(interval);
                    
                    if (progressData.error) {
                        alert('处理失败: ' + progressData.status);
                    } else {
                        alert(`知识库处理成功! 已处理${progressData.docCount}个文档片段`);
                    }
                    
                    // 隐藏进度条
                    progressElement.style.display = 'none';
                    
                    // 重置表单
                    document.getElementById('knowledge-name').value = '';
                    document.getElementById('knowledge-file').value = '';
                    
                    // 重新加载知识库列表
                    loadKnowledgeBases();
                }
            }
        } catch (error) {
            console.error('获取进度信息出错:', error);
        }
    }, 1000); // 每秒轮询一次
}

// 简化版轮询进度(不显示进度条)
function pollProgressSimple(taskId, buttonElement) {
    const originalText = buttonElement.textContent;
    
    const interval = setInterval(async () => {
        try {
            const response = await fetch(`/api/progress/${taskId}`);
            const data = await response.json();
            
            if (data.success) {
                const progressData = data.data;
                
                // 处理完成或出错时
                if (progressData.progress >= 100 || progressData.error) {
                    clearInterval(interval);
                    
                    if (progressData.error) {
                        alert('处理失败: ' + progressData.status);
                    } else {
                        alert(`处理成功! 已处理${progressData.docCount}个文档片段`);
                    }
                    
                    // 恢复按钮
                    buttonElement.disabled = false;
                    buttonElement.textContent = originalText;
                    
                    // 重新加载知识库列表
                    loadKnowledgeBases();
                }
            }
        } catch (error) {
            console.error('获取进度信息出错:', error);
        }
    }, 1000); // 每秒轮询一次
}

// 使用AI生成工作流
async function generateAIWorkflow() {
    const description = document.getElementById('agent-description').value;
    const subject = document.getElementById('agent-subject').value || document.getElementById('agent-name').value;
    
    if (!description) {
        alert('请先填写Agent描述,以便AI生成工作流');
        nextTab('basic-tab');
        return;
    }
    
    // 显示加载状态
    const workflowCanvas = document.getElementById('workflow-canvas');
    workflowCanvas.innerHTML = `
        <div class="text-center py-5">
            <div class="spinner-border text-primary" role="status">
                <span class="visually-hidden">生成中...</span>
            </div>
            <p class="mt-3">AI正在设计工作流,请稍候...</p>
        </div>
    `;
    
    try {
        const response = await fetch('/api/agent/ai-assist', {
            method: 'POST',
            headers: { 'Content-Type': 'application/json' },
            body: JSON.stringify({
                description: description,
                subject: subject,
                plugins: selectedPlugins,
                knowledge_bases: selectedKnowledgeBases
            })
        });
        
        const result = await response.json();
        
        if (result.success) {
            // 保存工作流
            currentWorkflow = result.workflow;
            
            // 更新代码视图
            updateWorkflowCodeView(currentWorkflow);
            
            // 处理AI推荐的知识库和插件
            let recommendationHtml = '';
            let recommendationsApplied = false;
            
            // 应用推荐的知识库
            if (result.recommended_knowledge_bases && result.recommended_knowledge_bases.length > 0) {
                // 更新选择的知识库
                selectedKnowledgeBases = result.recommended_knowledge_bases;
                
                // 更新UI中的选择状态
                document.querySelectorAll('#knowledge-list .plugin-option').forEach(item => {
                    const kbId = item.getAttribute('data-id');
                    const selected = selectedKnowledgeBases.includes(kbId);
                    
                    item.classList.toggle('selected', selected);
                    const checkbox = item.querySelector('input[type="checkbox"]');
                    if (checkbox) checkbox.checked = selected;
                });
                
                recommendationsApplied = true;
                recommendationHtml += `
                    <div class="mb-3">
                        <h6>AI推荐的知识库:</h6>
                        <ul>
                            ${selectedKnowledgeBases.map(kb => `<li>${kb}</li>`).join('')}
                        </ul>
                    </div>
                `;
            }
            
            // 应用推荐的插件
            if (result.recommended_plugins && result.recommended_plugins.length > 0) {
                // 更新选择的插件
                selectedPlugins = result.recommended_plugins;
                
                // 更新UI中的选择状态
                document.querySelectorAll('[data-plugin]').forEach(item => {
                    const pluginId = item.getAttribute('data-plugin');
                    const selected = selectedPlugins.includes(pluginId);
                    
                    item.classList.toggle('selected', selected);
                    const checkbox = item.querySelector('input[type="checkbox"]');
                    if (checkbox) checkbox.checked = selected;
                });
                
                recommendationsApplied = true;
                recommendationHtml += `
                    <div class="mb-3">
                        <h6>AI推荐的插件:</h6>
                        <ul>
                            ${selectedPlugins.map(plugin => {
                                let pluginName = plugin;
                                if (plugin === 'code') pluginName = '代码执行';
                                if (plugin === 'visualization') pluginName = '3D可视化';
                                if (plugin === 'mindmap') pluginName = '思维导图';
                                return `<li>${pluginName}</li>`;
                            }).join('')}
                        </ul>
                    </div>
                `;
            }
            
            // 显示推荐结果
            if (recommendationsApplied) {
                workflowCanvas.innerHTML = `
                    <div class="alert alert-success mb-3">
                        <i class="bi bi-check-circle-fill me-2"></i>
                        AI已成功设计工作流并推荐了知识库和插件
                    </div>
                    ${recommendationHtml}
                    <div id="workflow-visualization-container"></div>
                `;
            } else {
                workflowCanvas.innerHTML = `
                    <div class="alert alert-info mb-3">
                        <i class="bi bi-info-circle-fill me-2"></i>
                        AI已设计工作流但未推荐额外的知识库或插件
                    </div>
                    <div id="workflow-visualization-container"></div>
                `;
            }
            
            // 渲染工作流视图
            setTimeout(() => {
                renderWorkflowVisualization(currentWorkflow, 'workflow-canvas');
            }, 200);
            
        } else {
            workflowCanvas.innerHTML = `
                <div class="alert alert-danger m-3">
                    <i class="bi bi-exclamation-triangle-fill me-2"></i>
                    生成工作流失败: ${result.message}
                </div>
            `;
        }
    } catch (error) {
        console.error('生成工作流出错:', error);
        workflowCanvas.innerHTML = `
            <div class="alert alert-danger m-3">
                <i class="bi bi-exclamation-triangle-fill me-2"></i>
                生成工作流时发生错误,请重试
            </div>
        `;
    }
}

// 更新工作流代码视图
function updateWorkflowCodeView(workflow) {
    const workflowCodeElement = document.getElementById('workflow-code');
    if (workflowCodeElement) {
        workflowCodeElement.textContent = JSON.stringify(workflow, null, 2);
    }
}

// 创建Agent
async function createAgent() {
    const name = document.getElementById('agent-name').value;
    const description = document.getElementById('agent-description').value;
    const subject = document.getElementById('agent-subject').value || name; // 使用课程名称,如果未填写则使用Agent名称
    const instructor = document.getElementById('agent-instructor').value || '教师'; // 使用指导教师,如果未填写则使用默认值
    const type = document.getElementById('agent-type').value;
    
    if (!name) {
        alert('请填写Agent名称');
        nextTab('basic-tab');
        return;
    }
    
    // 准备Agent数据
    const agentData = {
        name: name,
        description: description,
        subject: subject,
        instructor: instructor,
        type: type,
        plugins: selectedPlugins,
        knowledge_bases: selectedKnowledgeBases,
        workflow: currentWorkflow
    };
    
    try {
        const response = await fetch('/api/agent/create', {
            method: 'POST',
            headers: { 'Content-Type': 'application/json' },
            body: JSON.stringify(agentData)
        });
        
        const result = await response.json();
        
        if (result.success) {
            alert(`Agent '${name}' 创建成功!`);
            
            // 重置表单
            document.getElementById('agent-name').value = '';
            document.getElementById('agent-description').value = '';
            document.getElementById('agent-subject').value = '';
            document.getElementById('agent-instructor').value = '';
            document.getElementById('agent-type').value = 'educational';
            selectedPlugins = [];
            selectedKnowledgeBases = [];
            currentWorkflow = { nodes: [], edges: [] };
            
            // 重置插件选择
            document.querySelectorAll('.plugin-option').forEach(item => {
                item.classList.remove('selected');
                item.querySelector('input[type="checkbox"]').checked = false;
            });
            
            // 重置工作流视图
            document.getElementById('workflow-canvas').innerHTML = `
                <div class="p-4 text-center text-muted">
                    点击"使用AI自动设计工作流"按钮,或手动设计工作流
                </div>
            `;
            
            // 更新代码视图
            updateWorkflowCodeView(currentWorkflow);
            
            // 切换到Agent列表页面
            switchSection('agent-list');
            
            // 重新加载Agent列表
            loadAgents();
        } else {
            alert('创建Agent失败: ' + result.message);
        }
    } catch (error) {
        console.error('创建Agent出错:', error);
        alert('创建Agent出错,请查看控制台日志');
    }
}

// 加载Agent列表
async function loadAgents() {
    try {
        const response = await fetch('/api/agent/list');
        const result = await response.json();
        
        if (result.success) {
            allAgents = result.agents || [];
            
            // 更新仪表盘计数
            document.getElementById('agent-count').textContent = allAgents.length;
            
            // 计算分发链接总数
            let distributionCount = 0;
            allAgents.forEach(agent => {
                distributionCount += agent.distribution_count || 0;
            });
            document.getElementById('distribution-count').textContent = distributionCount;
            
            // 更新最近创建的Agent
            updateRecentAgents();
            
            // 更新Agent列表页面
            updateAgentListPage();
        } else {
            console.error('加载Agent列表失败:', result.message);
        }
    } catch (error) {
        console.error('加载Agent列表出错:', error);
    }
}

// 更新最近创建的Agent列表
function updateRecentAgents() {
    const recentAgentsElement = document.getElementById('recent-agents');
    
    if (recentAgentsElement) {
        if (allAgents.length === 0) {
            recentAgentsElement.innerHTML = `
                <div class="alert alert-info">
                    <i class="bi bi-info-circle me-2"></i>
                    您还没有创建Agent
                </div>
                <div class="text-center">
                    <button class="btn btn-primary" onclick="switchSection('create-agent')">
                        创建第一个Agent
                    </button>
                </div>
            `;
        } else {
            // 只显示最近3个Agent
            const recentAgents = allAgents.slice(0, 3);
            
            recentAgentsElement.innerHTML = '';
            
            recentAgents.forEach(agent => {
                const item = document.createElement('div');
                item.className = 'agent-item';
                
                const createdDate = new Date(agent.created_at * 1000);
                const formattedDate = createdDate.toLocaleDateString();
                
                // 添加学科和指导教师信息
                const subjectInfo = agent.subject ? `<small class="text-muted me-3"><i class="bi bi-book me-1"></i>${agent.subject}</small>` : '';
                const instructorInfo = agent.instructor ? `<small class="text-muted"><i class="bi bi-person me-1"></i>${agent.instructor}</small>` : '';
                
                item.innerHTML = `
                    <div class="header">
                        <h5 class="title">${agent.name}</h5>
                        <span class="badge badge-primary">${agent.type || 'educational'}</span>
                    </div>
                    <div class="description">${agent.description || '暂无描述'}</div>
                    <div class="mt-2">
                        ${subjectInfo}
                        ${instructorInfo}
                    </div>
                    <div class="meta">
                        <div>
                            <i class="bi bi-calendar3"></i>
                            ${formattedDate}
                        </div>
                        <div>
                            <i class="bi bi-share"></i>
                            ${agent.distribution_count || 0}个分发
                            </div>
                   </div>
               `;
               
               recentAgentsElement.appendChild(item);
           });
       }
   }
}

// 更新Agent列表页面
function updateAgentListPage() {
   const agentListContainer = document.getElementById('agent-list-container');
   
   if (agentListContainer) {
       if (allAgents.length === 0) {
           agentListContainer.innerHTML = `
               <div class="alert alert-info">
                   <i class="bi bi-info-circle me-2"></i>
                   您还没有创建Agent
               </div>
               <div class="text-center">
                   <button class="btn btn-primary" onclick="switchSection('create-agent')">
                       创建第一个Agent
                   </button>
               </div>
           `;
       } else {
           agentListContainer.innerHTML = '';
           
           allAgents.forEach(agent => {
               const item = document.createElement('div');
               item.className = 'agent-item';
               
               const createdDate = new Date(agent.created_at * 1000);
               const formattedDate = createdDate.toLocaleDateString();
               
               // 构建插件和知识库标签
               let pluginsHtml = '';
               if (agent.plugins && agent.plugins.length > 0) {
                   pluginsHtml = '<div class="mt-2"><small class="text-muted me-2">插件:</small>';
                   agent.plugins.forEach(plugin => {
                       let pluginName = '未知';
                       let pluginIcon = 'puzzle';
                       
                       if (plugin === 'code') {
                           pluginName = '代码执行';
                           pluginIcon = 'code-square';
                       } else if (plugin === 'visualization') {
                           pluginName = '3D可视化';
                           pluginIcon = 'bar-chart';
                       } else if (plugin === 'mindmap') {
                           pluginName = '思维导图';
                           pluginIcon = 'diagram-3';
                       }
                       
                       pluginsHtml += `
                           <span class="badge bg-light text-dark me-1">
                               <i class="bi bi-${pluginIcon} me-1"></i>
                               ${pluginName}
                           </span>
                       `;
                   });
                   pluginsHtml += '</div>';
                 }
                 
                 let knowledgeHtml = '';
                 if (agent.knowledge_bases && agent.knowledge_bases.length > 0) {
                     knowledgeHtml = '<div class="mt-2"><small class="text-muted me-2">知识库:</small>';
                     agent.knowledge_bases.forEach(kb => {
                         // 查找知识库名称
                         const knowledge = allKnowledgeBases.find(k => k.id === kb);
                         const knowledgeName = knowledge ? knowledge.name : kb;
                         
                         knowledgeHtml += `
                             <span class="badge bg-light text-dark me-1">
                                 <i class="bi bi-journal-text me-1"></i>
                                 ${knowledgeName}
                             </span>
                         `;
                     });
                     knowledgeHtml += '</div>';
                 }
                 
                 // 添加学科和指导教师信息
                 const subjectInfo = agent.subject ? `<small class="text-muted me-3"><i class="bi bi-book me-1"></i>${agent.subject}</small>` : '';
                 const instructorInfo = agent.instructor ? `<small class="text-muted"><i class="bi bi-person me-1"></i>${agent.instructor}</small>` : '';
                 
                 item.innerHTML = `
                     <div class="header">
                         <h5 class="title">${agent.name}</h5>
                         <div>
                             <button class="btn btn-sm btn-primary me-1" onclick="showCreateDistributionModal('${agent.id}')">
                                 <i class="bi bi-share"></i> 分发
                             </button>
                             <button class="btn btn-sm btn-outline-secondary me-1" onclick="showAgentDetail('${agent.id}')">
                                 <i class="bi bi-info-circle"></i> 详情
                             </button>
                             <button class="btn btn-sm btn-outline-danger" onclick="deleteAgent('${agent.id}')">
                                 <i class="bi bi-trash"></i>
                             </button>
                         </div>
                     </div>
                     <div class="description">${agent.description || '暂无描述'}</div>
                     <div class="mt-2">
                         ${subjectInfo}
                         ${instructorInfo}
                     </div>
                     ${pluginsHtml}
                     ${knowledgeHtml}
                     <div class="meta">
                         <div>
                             <i class="bi bi-calendar3"></i>
                             ${formattedDate}
                         </div>
                         <div>
                             <i class="bi bi-share"></i>
                             ${agent.distribution_count || 0}个分发
                         </div>
                         <div>
                             <i class="bi bi-eye"></i>
                             ${agent.usage_count || 0}次使用
                         </div>
                     </div>
                 `;
                 
                 agentListContainer.appendChild(item);
             });
         }
     }
 }
 
 // 显示Agent详情
 async function showAgentDetail(agentId) {
     try {
         // 获取Agent详细信息
         const response = await fetch(`/api/agent/${agentId}`);
         const result = await response.json();
         
         if (result.success) {
             const agent = result.agent;
             
             // 更新模态框内容
             const modalTitle = document.getElementById('agent-detail-title');
             const modalBody = document.getElementById('agent-detail-body');
             
             modalTitle.textContent = agent.name;
             
             // 格式化创建时间
             const createdDate = new Date(agent.created_at * 1000);
             const formattedDate = createdDate.toLocaleString();
             
             // 构建模态框内容
             modalBody.innerHTML = `
                 <div class="mb-3">
                     <h6>描述</h6>
                     <p>${agent.description || '暂无描述'}</p>
                 </div>
                 
                 <div class="row mb-3">
                     <div class="col-md-6">
                         <h6>学科/课程</h6>
                         <p>${agent.subject || agent.name}</p>
                     </div>
                     <div class="col-md-6">
                         <h6>指导教师</h6>
                         <p>${agent.instructor || '教师'}</p>
                     </div>
                 </div>
                 
                 <div class="row mb-3">
                     <div class="col-md-6">
                         <h6>创建时间</h6>
                         <p>${formattedDate}</p>
                     </div>
                     <div class="col-md-6">
                         <h6>使用次数</h6>
                         <p>${agent.stats ? agent.stats.usage_count || 0 : 0}次</p>
                     </div>
                 </div>
                 
                 <div class="mb-3">
                     <h6>插件</h6>
                     ${getPluginsHtml(agent.plugins)}
                 </div>
                 
                 <div class="mb-3">
                     <h6>知识库</h6>
                     ${getKnowledgeBasesHtml(agent.knowledge_bases)}
                 </div>
                 
                 <div class="mb-3">
                     <h6>分发链接</h6>
                     ${getDistributionsHtml(agent.distributions, agent.id)}
                 </div>
                 
                 <div class="mb-4">
                     <h6>工作流配置</h6>
                     <ul class="nav nav-tabs mb-3" id="detailWorkflowTabs" role="tablist">
                         <li class="nav-item" role="presentation">
                             <button class="nav-link active" id="detail-visual-tab" data-bs-toggle="tab" data-bs-target="#detail-visual-view" type="button" role="tab">可视化视图</button>
                         </li>
                         <li class="nav-item" role="presentation">
                             <button class="nav-link" id="detail-code-tab" data-bs-toggle="tab" data-bs-target="#detail-code-view" type="button" role="tab">代码视图</button>
                         </li>
                     </ul>
                     <div class="tab-content" id="detailWorkflowContent">
                         <div class="tab-pane fade show active" id="detail-visual-view" role="tabpanel">
                             <div id="detail-workflow-canvas" class="workflow-canvas"></div>
                         </div>
                         <div class="tab-pane fade" id="detail-code-view" role="tabpanel">
                             <div class="p-3 bg-light border rounded">
                                 <pre class="mb-0">${JSON.stringify(agent.workflow, null, 2)}</pre>
                             </div>
                         </div>
                     </div>
                 </div>
             `;
             
             // 存储工作流数据
             modalBody.dataset.agentWorkflow = JSON.stringify(agent.workflow);
             
             // 显示模态框
             const modal = new bootstrap.Modal(document.getElementById('agentDetailModal'));
             modal.show();
             
             // 在模态框显示后初始化工作流标签事件
             document.getElementById('agentDetailModal').addEventListener('shown.bs.modal', function() {
                 // 初始化详情模态框内的标签切换
                 document.querySelectorAll('#detailWorkflowTabs .nav-link').forEach(tab => {
                     tab.addEventListener('click', function(event) {
                         event.preventDefault();
                         
                         const targetId = this.getAttribute('data-bs-target');
                         const targetPane = document.querySelector(targetId);
                         
                         // 切换标签激活状态
                         document.querySelectorAll('#detailWorkflowTabs .nav-link').forEach(t => 
                             t.classList.remove('active'));
                         this.classList.add('active');
                         
                         // 切换内容区域显示状态
                         document.querySelectorAll('#detailWorkflowContent .tab-pane').forEach(p => 
                             p.classList.remove('show', 'active'));
                         targetPane.classList.add('show', 'active');
                         
                         // 如果切换到可视化视图,重新渲染工作流
                         if (targetId === '#detail-visual-view') {
                             setTimeout(() => {
                                 const workflow = JSON.parse(modalBody.dataset.agentWorkflow);
                                 renderWorkflowVisualization(workflow, 'detail-workflow-canvas');
                             }, 200);
                         }
                     });
                 });
                 
                 // 立即渲染工作流可视化
                 setTimeout(() => {
                     const workflow = JSON.parse(modalBody.dataset.agentWorkflow);
                     renderWorkflowVisualization(workflow, 'detail-workflow-canvas');
                 }, 200);
             });
         } else {
             alert('获取Agent详情失败: ' + result.message);
         }
     } catch (error) {
         console.error('获取Agent详情出错:', error);
         alert('获取Agent详情出错,请查看控制台日志');
     }
 }
 
 // 辅助函数,用于生成插件HTML
 function getPluginsHtml(plugins) {
     if (!plugins || plugins.length === 0) {
         return '<p>无</p>';
     }
     
     let html = '<ul>';
     plugins.forEach(plugin => {
         let pluginName = '未知';
         
         if (plugin === 'code') {
             pluginName = '代码执行';
         } else if (plugin === 'visualization') {
             pluginName = '3D可视化';
         } else if (plugin === 'mindmap') {
             pluginName = '思维导图';
         }
         
         html += `<li>${pluginName}</li>`;
     });
     html += '</ul>';
     
     return html;
 }
 
 // 辅助函数,用于生成知识库HTML
 function getKnowledgeBasesHtml(knowledgeBases) {
     if (!knowledgeBases || knowledgeBases.length === 0) {
         return '<p>无</p>';
     }
     
     let html = '<ul>';
     knowledgeBases.forEach(kb => {
         // 查找知识库名称
         const knowledge = allKnowledgeBases.find(k => k.id === kb);
         const knowledgeName = knowledge ? knowledge.name : kb;
         
         html += `<li>${knowledgeName}</li>`;
     });
     html += '</ul>';
     
     return html;
 }
 
 // 辅助函数,用于生成分发链接HTML
 function getDistributionsHtml(distributions, agentId) {
     if (!distributions || distributions.length === 0) {
         return '<p>无</p>';
     }
     
     let html = '<div class="list-group">';
     distributions.forEach(dist => {
         const expiryText = dist.expires_at > 0 
             ? `过期时间: ${new Date(dist.expires_at * 1000).toLocaleString()}`
             : '永不过期';
             
         const url = `/student/${agentId}?token=${dist.token}`;
         
         html += `
             <div class="distribution-link">
                 <div>
                     <div class="mb-1">${url}</div>
                     <small class="text-muted">${expiryText} | 使用次数: ${dist.usage_count || 0}</small>
                 </div>
                 <button class="btn btn-sm btn-outline-primary" onclick="copyToClipboard('${url}')">
                     <i class="bi bi-clipboard"></i> 复制
                 </button>
             </div>
         `;
     });
     html += '</div>';
     
     return html;
 }
 
 // 删除Agent
 async function deleteAgent(agentId) {
     if (!confirm('确定要删除这个Agent吗?此操作不可恢复。')) {
         return;
     }
     
     try {
         const response = await fetch(`/api/agent/${agentId}`, {
             method: 'DELETE'
         });
         
         const result = await response.json();
         
         if (result.success) {
             alert('Agent删除成功!');
             loadAgents(); // 重新加载Agent列表
         } else {
             alert('删除Agent失败: ' + result.message);
         }
     } catch (error) {
         console.error('删除Agent出错:', error);
         alert('删除Agent出错,请查看控制台日志');
     }
 }
 
 // 显示创建分发链接模态框
 function showCreateDistributionModal(agentId) {
     document.getElementById('distribution-agent-id').value = agentId;
     
     // 显示模态框
     const modal = new bootstrap.Modal(document.getElementById('createDistributionModal'));
     modal.show();
 }
 
 // 创建分发链接
 async function createDistribution() {
     const agentId = document.getElementById('distribution-agent-id').value;
     const expiresIn = parseInt(document.getElementById('distribution-expires').value);
     
     if (!agentId) {
         alert('Agent ID不能为空');
         return;
     }
     
     try {
         const response = await fetch(`/api/agent/${agentId}/distribute`, {
             method: 'POST',
             headers: { 'Content-Type': 'application/json' },
             body: JSON.stringify({ expires_in: expiresIn })
         });
         
         const result = await response.json();
         
         if (result.success) {
             // 隐藏创建模态框
             const createModal = bootstrap.Modal.getInstance(document.getElementById('createDistributionModal'));
             createModal.hide();
             
             // 更新分发链接输入框
             const fullUrl = window.location.origin + result.distribution.link;
             document.getElementById('distribution-link').value = fullUrl;
             
             // 显示分发链接模态框
             const showModal = new bootstrap.Modal(document.getElementById('showDistributionModal'));
             showModal.show();
             
             // 重新加载Agent列表
             loadAgents();
         } else {
             alert('创建分发链接失败: ' + result.message);
         }
     } catch (error) {
         console.error('创建分发链接出错:', error);
         alert('创建分发链接出错,请查看控制台日志');
     }
 }
 
 // 复制到剪贴板
 function copyToClipboard(textOrElementId) {
     let text;
     
     if (textOrElementId.startsWith('/') || textOrElementId.startsWith('http')) {
         // 直接传入的文本
         text = textOrElementId;
     } else {
         // 传入的是元素ID
         const element = document.getElementById(textOrElementId);
         text = element.value || element.textContent;
     }
     
     navigator.clipboard.writeText(text).then(() => {
         alert('已复制到剪贴板!');
     }).catch(err => {
         console.error('复制失败:', err);
     });
 }
 
 // 根据节点类型获取图标
 function getNodeIcon(type) {
     switch (type) {
         case 'intent_recognition':
             return 'AI';
         case 'knowledge_query':
             return 'KB';
         case 'plugin_call':
             return 'API';
         case 'generate_response':
             return 'AI';
         default:
             return '';
     }
 }
 
 // 渲染工作流可视化
 function renderWorkflowVisualization(workflow, containerId) {
     const container = document.getElementById(containerId);
     if (!container) return;
     
     // 清空容器
     container.innerHTML = '';
     
     // 如果没有工作流数据,显示提示
     if (!workflow || !workflow.nodes || workflow.nodes.length === 0) {
         container.innerHTML = `
             <div class="p-4 text-center text-muted">
                 暂无工作流数据
             </div>
         `;
         return;
     }
     
     // 创建或重置jsPlumb实例
     if (jsPlumbWorkflowInstance) {
         jsPlumbWorkflowInstance.reset();
     }
     
     jsPlumbWorkflowInstance = jsPlumb.getInstance({
         Endpoint: ["Dot", { radius: 4 }],
         Connector: ["Bezier", { curviness: 50 }],
         PaintStyle: { stroke: "#4361ee", strokeWidth: 2 },
         HoverPaintStyle: { stroke: "#3a56e4", strokeWidth: 3 },
         ConnectionOverlays: [
             ["Arrow", { location: 1, width: 10, length: 10, foldback: 0.7 }]
         ],
         Container: containerId
     });
     
     // 创建节点
     workflow.nodes.forEach(node => {
         const nodeEl = document.createElement('div');
         nodeEl.id = node.id;
         nodeEl.className = `workflow-node node-type-${node.type}`;
         nodeEl.innerHTML = `
             <div class="node-icon">${getNodeIcon(node.type)}</div>
             <div class="node-content">${node.data.name}</div>
         `;
         
         container.appendChild(nodeEl);
     });
     
     // 计算节点依赖关系
     const dependencies = {};
     const dependents = {};
     
     workflow.nodes.forEach(node => {
         dependencies[node.id] = [];
         dependents[node.id] = [];
     });
     
     workflow.edges.forEach(edge => {
         dependencies[edge.target].push(edge.source);
         dependents[edge.source].push(edge.target);
     });
     
     // 计算层级
     const nodeLevels = {};
     const queue = [];
     
     // 找到没有依赖的节点(入度为0的节点)
     workflow.nodes.forEach(node => {
         if (dependencies[node.id].length === 0) {
             nodeLevels[node.id] = 0;
             queue.push(node.id);
         }
     });
     
     // BFS计算层级
     while (queue.length > 0) {
         const currentId = queue.shift();
         const currentLevel = nodeLevels[currentId];
         
         dependents[currentId].forEach(dependentId => {
             const allDependenciesProcessed = dependencies[dependentId].every(
                 depId => nodeLevels[depId] !== undefined
             );
             
             if (allDependenciesProcessed) {
                 const maxDependencyLevel = Math.max(
                     ...dependencies[dependentId].map(depId => nodeLevels[depId])
                 );
                 nodeLevels[dependentId] = maxDependencyLevel + 1;
                 queue.push(dependentId);
             }
         });
     }
     
     // 按层级对节点进行布局
     const levelGroups = {};
     Object.keys(nodeLevels).forEach(nodeId => {
         const level = nodeLevels[nodeId];
         if (!levelGroups[level]) {
             levelGroups[level] = [];
         }
         levelGroups[level].push(nodeId);
     });
     
     const containerWidth = container.clientWidth;
     const containerHeight = container.clientHeight;
     const levelCount = Object.keys(levelGroups).length;
     const levelHeight = containerHeight / (levelCount > 1 ? levelCount : 2);
     
     Object.entries(levelGroups).forEach(([level, nodeIds]) => {
         const levelIndex = parseInt(level);
         const nodeCount = nodeIds.length;
         const nodeWidth = containerWidth / (nodeCount + 1);
         
         nodeIds.forEach((nodeId, index) => {
             const node = document.getElementById(nodeId);
             if (node) {
                 node.style.top = `${levelIndex * levelHeight + 50}px`;
                 node.style.left = `${(index + 1) * nodeWidth - (node.clientWidth / 2)}px`;
             }
         });
     });
     
     // 为每个节点创建可拖动功能
     workflow.nodes.forEach(node => {
         const nodeEl = document.getElementById(node.id);
         if (nodeEl) {
             jsPlumbWorkflowInstance.draggable(nodeEl, {
                 containment: container
             });
         }
     });
     
     // 添加连接
     setTimeout(() => {
         workflow.edges.forEach(edge => {
             const sourceEl = document.getElementById(edge.source);
             const targetEl = document.getElementById(edge.target);
             
             if (sourceEl && targetEl) {
                 const connection = jsPlumbWorkflowInstance.connect({
                     source: sourceEl,
                     target: targetEl,
                     anchors: ["Bottom", "Top"],
                     connector: ["Bezier", { curviness: 50 }],
                     paintStyle: { stroke: "#4361ee", strokeWidth: 2 },
                     endpoint: "Blank",
                     overlays: [
                         ["Arrow", { location: 1, width: 10, length: 10, foldback: 0.7 }]
                     ]
                 });
                 
                 // 添加连接标签
                 if (edge.condition) {
                     connection.addOverlay([
                         "Label", {
                             label: edge.condition,
                             cssClass: "connection-label",
                             location: 0.5
                         }
                     ]);
                 }
             }
         });
         
         // 刷新所有连接
         jsPlumbWorkflowInstance.repaintEverything();
     }, 100);
 }
</script>
</body>
</html>