feat: 为 LLM 调用添加更详细的日志

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

Author: Dango233

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

@@ -11,6 +11,10 @@ export function createOpenAIRouter(config: Config): Router {
   router.post('/chat/completions', async (req: Request, res: Response) => {
     try {
       const body = req.body as OpenAIChatCompletionRequest;
+      console.log(
+        '[OpenAI Bridge] Received /chat/completions request:',
+        JSON.stringify(body, null, 2),
+      );
       const stream = body.stream !== false;
 
       if (!stream) {

packages/mcp-server/src/bridge/stream-transformer.ts

@@ -68,6 +68,10 @@ export function createOpenAIStreamTransformer(
 
   return new TransformStream({
     transform(event: ServerGeminiStreamEvent, controller) {
+      console.log(
+        `[Stream Transformer] Received event: ${event.type}`,
+        event.value ? JSON.stringify(event.value) : '',
+      );
       let delta: OpenAIDelta = {};
 
       if (isFirstChunk) {

packages/mcp-server/src/gemini-client.ts

@@ -137,6 +137,14 @@ export class GeminiApiClient {
   }) {
     const history = messages.map(msg => this.openAIMessageToGemini(msg));
     const lastMessage = history.pop();
+    console.log(
+      '[GeminiApiClient] Sending to Gemini. History:',
+      JSON.stringify(history, null, 2),
+    );
+    console.log(
+      '[GeminiApiClient] Last Message:',
+      JSON.stringify(lastMessage, null, 2),
+    );
     if (!lastMessage) {
       throw new Error('No message to send.');
     }
@@ -174,6 +182,7 @@ export class GeminiApiClient {
       },
     });
 
+    console.log('[GeminiApiClient] Got stream from Gemini.');
     return geminiStream;
   }
 }