Update app.js

app.js

@@ -245,9 +245,10 @@ app.post('/api/chats/:id/stream', async (req, res) => {
             system:[{ text: system_prompt || CLAUDE_SYSTEM_PROMPT }],
             messages: historicalMessages,
             inferenceConfig: { maxTokens: commandMaxTokens, temperature: 1 },
-            additionalModelRequestFields: model.includes("claude") ? { 
+           /* additionalModelRequestFields: model.includes("claude") ? { 
                 thinking: { type: "adaptive" } 
             } : undefined
+            */
         });
 
         const response = await bedrockClient.send(command, { abortSignal: abortController.signal });