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feat: 全面增强 Claude Code 客户端支持与错误处理
## 🚀 新功能 - **智能认证系统**: 根据 API Key 格式自动选择认证方式 - `sk-ant-*` 开头使用 `x-api-key` 认证(兼容 Anthropic 官方) - 其他格式使用 `Authorization: Bearer` 认证(兼容标准 REST API) - **Claude Code 客户端完整支持**: 新增必需的 API 端点 - `GET /v1/models` - 返回支持的模型列表 - `GET /v1/me` - 用户信息端点 - `GET /v1/organizations/:org_id/usage` - 使用统计查询 ## 🔧 修复与优化 - **HTTP 协议合规性**: 修复响应头冲突导致的 502 错误 - 避免同时发送 `Content-Length` 和 `Transfer-Encoding` 头部 - 优化响应头过滤机制,确保代理兼容性 - **完全透传错误响应**: 保持上游 API 原始响应格式 - 透传原始状态码、响应头和内容 - 移除错误包装,直接转发原始 JSON 格式 - 支持流式和非流式请求的错误透传 - **流式响应处理优化**: - 添加 `validateStatus: () => true` 配置 - 改进错误处理逻辑,避免异常中断 ## 📝 代码质量 - 修复 ESLint 代码规范警告 - 优化敏感头部过滤列表 - 改进调试日志输出 ## 🎯 解决的问题 - Claude Code 客户端无法连接(502 Bad Gateway) - 错误响应被包装而非透传原始格式 - sk-ant-* 格式 API Key 认证失败 - HTTP/2 代理环境下的响应头冲突 ## ✅ 测试验证 - 本地测试完全透传上游错误响应 - Claude Code 客户端连接测试通过 - 智能认证机制验证成功 - HTTP 协议合规性确认
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@@ -180,9 +180,10 @@ async function handleMessagesRequest(req, res) {
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res.status(response.statusCode);
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// 设置响应头
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// 设置响应头,避免 Content-Length 和 Transfer-Encoding 冲突
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const skipHeaders = ['content-encoding', 'transfer-encoding', 'content-length'];
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Object.keys(response.headers).forEach(key => {
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if (key.toLowerCase() !== 'content-encoding') {
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if (!skipHeaders.includes(key.toLowerCase())) {
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res.setHeader(key, response.headers[key]);
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}
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});
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@@ -282,6 +283,51 @@ router.post('/v1/messages', authenticateApiKey, handleMessagesRequest);
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// 🚀 Claude API messages 端点 - /claude/v1/messages (别名)
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router.post('/claude/v1/messages', authenticateApiKey, handleMessagesRequest);
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// 📋 模型列表端点 - Claude Code 客户端需要
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router.get('/v1/models', authenticateApiKey, async (req, res) => {
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try {
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// 返回支持的模型列表
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const models = [
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{
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id: 'claude-3-5-sonnet-20241022',
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object: 'model',
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created: 1669599635,
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owned_by: 'anthropic'
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},
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{
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id: 'claude-3-5-haiku-20241022',
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object: 'model',
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created: 1669599635,
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owned_by: 'anthropic'
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},
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{
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id: 'claude-3-opus-20240229',
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object: 'model',
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created: 1669599635,
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owned_by: 'anthropic'
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},
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{
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id: 'claude-sonnet-4-20250514',
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object: 'model',
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created: 1669599635,
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owned_by: 'anthropic'
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}
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];
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res.json({
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object: 'list',
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data: models
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});
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} catch (error) {
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logger.error('❌ Models list error:', error);
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res.status(500).json({
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error: 'Failed to get models list',
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message: error.message
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});
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}
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});
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// 🏥 健康检查端点
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router.get('/health', async (req, res) => {
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try {
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@@ -349,4 +395,46 @@ router.get('/v1/usage', authenticateApiKey, async (req, res) => {
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}
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});
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// 👤 用户信息端点 - Claude Code 客户端需要
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router.get('/v1/me', authenticateApiKey, async (req, res) => {
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try {
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// 返回基础用户信息
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res.json({
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id: 'user_' + req.apiKey.id,
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type: 'user',
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display_name: req.apiKey.name || 'API User',
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created_at: new Date().toISOString()
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});
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} catch (error) {
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logger.error('❌ User info error:', error);
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res.status(500).json({
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error: 'Failed to get user info',
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message: error.message
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});
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}
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});
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// 💰 余额/限制端点 - Claude Code 客户端需要
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router.get('/v1/organizations/:org_id/usage', authenticateApiKey, async (req, res) => {
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try {
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const usage = await apiKeyService.getUsageStats(req.apiKey.id);
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res.json({
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object: 'usage',
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data: [
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{
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type: 'credit_balance',
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credit_balance: req.apiKey.tokenLimit - (usage.totalTokens || 0)
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}
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]
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});
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} catch (error) {
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logger.error('❌ Organization usage error:', error);
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res.status(500).json({
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error: 'Failed to get usage info',
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message: error.message
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});
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}
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});
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module.exports = router;
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