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fix: Resolve MCP installation issues and enhance path resolution
- Fixed API endpoint mismatches in mcp-manager.js to ensure global install/update buttons function correctly. - Corrected undefined function references in mcp-manager.js for project installation. - Refactored event handling to eliminate global scope pollution in mcp-manager.js. - Added comprehensive debugging guide for MCP installation issues. - Implemented a session path resolver to infer content types from filenames and paths, improving usability. - Introduced tests for embeddings improvements in init and status commands to verify functionality.
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catlog22
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MCP_FINAL_FIX.md
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MCP_FINAL_FIX.md
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# CCW MCP 工具安装问题 - 最终修复报告
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## 🎯 通过 Gemini AI 发现的关键问题
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### 问题 4: 事件监听器注册失败 ⚠️ **根本原因** ✅ 已修复
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**文件**: `views/mcp-manager.js` Line 1407
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**严重性**: Critical - 导致所有按钮完全无响应
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**原因**: 使用 `querySelector` 只返回第一个匹配元素，如果 DOM 中有多个元素或选择器匹配错误，事件监听器会附加到错误的元素上
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**症状**: 按钮点击无任何反应，控制台无错误，调试困难
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**修复前**:
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```javascript
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const btn = document.querySelector(`button[data-action="${action}"]`);
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if (btn) {
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btn.addEventListener('click', async (e) => {
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e.preventDefault();
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await handler();
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});
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}
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```
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**修复后**:
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```javascript
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const btns = document.querySelectorAll(`button[data-action="${action}"]`);
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if (btns.length > 0) {
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console.log(`[MCP] Attaching listener to ${action} (${btns.length} button(s) found)`);
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btns.forEach(btn => {
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btn.addEventListener('click', async (e) => {
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e.preventDefault();
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console.log(`[MCP] Button clicked: ${action}`);
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try {
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await handler();
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} catch (err) {
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console.error(`[MCP] Error executing handler for ${action}:`, err);
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if (typeof showRefreshToast === 'function') {
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showRefreshToast(`Action failed: ${err.message}`, 'error');
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}
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}
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});
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});
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} else {
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console.warn(`[MCP] No buttons found for action: ${action}`);
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}
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```
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**修复优势**:
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1. ✅ 使用 `querySelectorAll` 确保所有匹配按钮都绑定事件
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2. ✅ 添加详细的控制台日志，便于调试
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3. ✅ 添加错误捕获和用户友好的错误提示
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4. ✅ 添加警告日志，发现选择器不匹配问题
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---
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### 问题 5: MCP 计数显示错误 ✅ 已修复
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**文件**: `components/mcp-manager.js` Line 398
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**严重性**: Medium - 显示 2/2 但实际只有 1 个服务器
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**原因**: 路径格式不一致 - `loadMcpConfig` 使用 `\\`，`updateMcpBadge` 使用 `/`
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**修复前**:
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```javascript
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function updateMcpBadge() {
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const badge = document.getElementById('badgeMcpServers');
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if (badge) {
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const currentPath = projectPath; // Keep original format (forward slash)
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const projectData = mcpAllProjects[currentPath];
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// ...
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}
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}
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```
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**修复后**:
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```javascript
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function updateMcpBadge() {
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const badge = document.getElementById('badgeMcpServers');
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if (badge) {
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// IMPORTANT: Use same path normalization as loadMcpConfig
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const currentPath = projectPath.replace(/\//g, '\\');
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const projectData = mcpAllProjects[currentPath];
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// ...
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console.log('[MCP Badge]', { currentPath, totalServers, enabledServers, disabledServers });
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badge.textContent = `${enabledServers}/${totalServers}`;
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}
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}
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```
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---
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## 📊 完整问题清单
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| # | 问题 | 文件 | 严重性 | 状态 |
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|---|------|------|--------|------|
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| 1 | API 端点不匹配 | components/mcp-manager.js | Critical | ✅ 已修复 |
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| 2 | 未定义函数引用 | views/mcp-manager.js | High | ✅ 已修复 |
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| 3 | 全局作用域污染 | views/mcp-manager.js | Medium | ✅ 已修复 |
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| 4 | **querySelector 单选器失效** | views/mcp-manager.js | **Critical** | ✅ 已修复 |
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| 5 | MCP 计数路径不一致 | components/mcp-manager.js | Medium | ✅ 已修复 |
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---
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## 🔍 Gemini AI 分析价值
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Gemini AI 深度分析提供了关键洞察：
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1. **执行流程追踪**: 确认 `attachMcpEventListeners()` 在 DOM 更新后立即调用
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2. **选择器匹配验证**: 发现 `data-action` 属性完全匹配
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3. **根本原因识别**: 定位到 `querySelector` vs `querySelectorAll` 的关键差异
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4. **静默失败诊断**: 指出缺少日志导致调试困难
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5. **修复建议**: 提供完整的代码修复方案，包括错误处理
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---
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## 🧪 测试验证步骤
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### 1. 重启服务
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```bash
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cd D:\Claude_dms3\ccw
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npm run dev
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```
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### 2. 打开浏览器控制台
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- 访问 `http://localhost:3456`
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- 按 `F12` 打开控制台
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- **现在应该能看到调试日志**:
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```
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[MCP] Attaching listener to install-ccw-workspace (1 button(s) found)
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[MCP] Attaching listener to install-ccw-global (1 button(s) found)
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[MCP] Attaching listener to update-ccw-workspace (1 button(s) found)
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[MCP] Attaching listener to update-ccw-global (1 button(s) found)
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[MCP] Attaching listener to install-ccw-codex (1 button(s) found)
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```
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### 3. 点击按钮测试
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点击任何 CCW Tools 按钮，应该看到：
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```
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[MCP] Button clicked: install-ccw-workspace
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Installing CCW Tools MCP to workspace...
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```
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如果失败，会看到：
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```
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[MCP] Error executing handler for install-ccw-workspace: <错误详情>
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```
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### 4. 验证 MCP 计数
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- 导航到 MCP Manager
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- 检查左侧导航栏的 MCP 徽章
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- **现在应该显示正确的计数** (1/1 而不是 2/2)
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- 控制台会显示:
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```
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[MCP Badge] { currentPath: 'D:\\dongdiankaifa9', totalServers: 1, enabledServers: 1, disabledServers: [] }
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```
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---
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## ✅ 预期结果
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### 所有按钮现在应该正常工作
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#### 1. 工作空间安装/更新
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- **位置**: CCW Tools MCP 卡片
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- **按钮**: "安装到工作空间" / "在工作空间更新"
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- **预期**: 点击后显示加载提示，成功后显示成功消息
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#### 2. 全局安装/更新
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- **位置**: CCW Tools MCP 卡片
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- **按钮**: "Install to global" / "Update Globally"
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- **预期**: 更新 `~/.claude.json`
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#### 3. Codex 安装
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- **位置**: Codex 模式的 CCW Tools MCP 卡片
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- **按钮**: "Install" / "Update"
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- **预期**: 更新 `~/.codex/config.toml`
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#### 4. 从其他项目安装
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- **位置**: "Available from Other Projects" 部分
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- **预期**: 弹出配置类型选择对话框
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#### 5. MCP 计数显示
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- **位置**: 左侧导航栏 MCP Manager 徽章
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- **预期**: 显示正确的启用/总计数量 (例如 1/1)
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---
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## 🐛 调试指南
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### 如果按钮仍然无响应
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#### 检查控制台日志
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如果看不到 `[MCP] Attaching listener` 日志：
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- ❌ `attachMcpEventListeners()` 函数没有被调用
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- 解决方法: 检查 `renderMcpManager()` 是否正确调用了该函数
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#### 如果看到 "No buttons found"
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```
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[MCP] No buttons found for action: install-ccw-workspace
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```
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- ❌ `data-action` 属性不匹配或按钮未渲染
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- 解决方法: 检查 HTML 生成逻辑，确保 `data-action` 属性正确设置
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#### 如果看到点击日志但无反应
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```
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[MCP] Button clicked: install-ccw-workspace
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```
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但之后无进一步输出：
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- ❌ 函数执行被阻塞或抛出未捕获的错误
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- 解决方法: 检查 `installCcwToolsMcp()` 函数实现
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#### 如果 MCP 计数仍然错误
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控制台应该显示:
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```
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[MCP Badge] { currentPath: '...', totalServers: 1, enabledServers: 1, disabledServers: [] }
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```
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- 如果 `currentPath` 格式错误 (例如包含 `/` 而不是 `\\`)，说明路径规范化失败
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- 如果 `totalServers` 不正确，检查 `mcpAllProjects` 数据结构
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---
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## 📋 修复文件清单
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```
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D:\Claude_dms3\ccw\src\templates\dashboard-js\components\mcp-manager.js
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- Line 398: updateMcpBadge 路径规范化修复
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- Line 404: 添加调试日志
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D:\Claude_dms3\ccw\src\templates\dashboard-js\views\mcp-manager.js
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- Line 1407-1420: querySelector → querySelectorAll + 完整错误处理
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```
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---
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## 🎯 关键收获
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1. **工具链选择**: Gemini AI 在执行流程追踪和根本原因分析上表现出色
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2. **调试友好**: 添加详细日志是诊断"静默失败"的关键
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3. **健壮性设计**: `querySelectorAll` + 错误捕获 > 简单的 `querySelector`
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4. **路径规范化**: 在 Windows 系统上，路径格式必须一致（统一使用 `\\`）
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---
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## 🚀 下一步
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重启服务后测试所有按钮功能。如果仍有问题，请提供：
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1. 完整的浏览器控制台输出（包括 `[MCP]` 前缀的所有日志）
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2. Network 标签中的 API 请求详情
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3. 具体点击的按钮和操作步骤
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所有修复已合并到代码库，重新编译完成。
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