fix: 修复 mcp-server 构建错误

Co-authored-by: aider (vertex_ai/gemini-2.5-pro) <aider@aider.chat>

Author: Dango233

packages/mcp-server/src/bridge/openai.ts

@@ -27,7 +27,8 @@ export function createOpenAIRouter(config: Config): Router {
       const stream = body.stream !== false;
 
       if (!body.messages || body.messages.length === 0) {
-        return res.status(400).json({ error: 'messages is required' });
+        res.status(400).json({ error: 'messages is required' });
+        return;
       }
 
       // 将 OpenAI 格式的 messages 转换为 Gemini 格式
@@ -39,7 +40,8 @@ export function createOpenAIRouter(config: Config): Router {
 
       const lastMessage = history.pop();
       if (!lastMessage) {
-        return res.status(400).json({ error: 'No message to send.' });
+        res.status(400).json({ error: 'No message to send.' });
+        return;
       }
 
       try {
@@ -58,7 +60,7 @@ export function createOpenAIRouter(config: Config): Router {
           res.flushHeaders(); // 立即发送头信息
 
           const geminiStream = await oneShotChat.sendMessageStream({
-            message: lastMessage.parts,
+            message: lastMessage.parts || [],
           });
           const openAIStream = createOpenAIStreamTransformer(body.model);
 
@@ -83,7 +85,7 @@ export function createOpenAIRouter(config: Config): Router {
         } else {
           // --- 非流式响应（为了完整性） ---
           const result = await oneShotChat.sendMessage({
-            message: lastMessage.parts,
+            message: lastMessage.parts || [],
           });
           const responseText =
             result.candidates?.[0]?.content?.parts?.[0]?.text || '';

packages/mcp-server/src/index.ts

@@ -18,15 +18,6 @@ import {
   loadEnvironment,
   loadSandboxConfig,
 } from '@google/gemini-cli/public-api';
-import {
-  loadSettings,
-  type Settings,
-  loadExtensions,
-  type Extension,
-  getCliVersion,
-  loadEnvironment,
-  loadSandboxConfig,
-} from '@google/gemini-cli/public-api';
 import { GcliMcpBridge } from './bridge/bridge.js';
 import { createOpenAIRouter } from './bridge/openai.js';
 import express from 'express';
@@ -142,17 +133,6 @@ async function startMcpServer() {
   selectedAuthType = selectedAuthType || AuthType.USE_GEMINI;
   await config.refreshAuth(selectedAuthType);
 
-  // Initialize Auth - this is critical to initialize the tool registry and gemini client
-  let selectedAuthType = settings.merged.selectedAuthType;
-  if (!selectedAuthType && !process.env.GEMINI_API_KEY) {
-    console.error(
-      'Auth missing: Please set `selectedAuthType` in .gemini/settings.json or set the GEMINI_API_KEY environment variable.',
-    );
-    process.exit(1);
-  }
-  selectedAuthType = selectedAuthType || AuthType.USE_GEMINI;
-  await config.refreshAuth(selectedAuthType);
-
   // 4. 初始化并启动 MCP 桥接服务 和 OpenAI 服务
   const mcpBridge = new GcliMcpBridge(config, cliVersion);