Add dummy reasoning_content for deepseek-reasoner tool calls #4857

9aff57c9c43d2b006709cc79f5e311659048abdd

Cohee <18619528+Cohee1207@users.noreply.github.com>

src/endpoints/backends/chat-completions.js+5 -0 Viewed

     PROMPT_PROCESSING_TYPE,
     addAssistantPrefix,
     embedOpenRouterMedia,
+    addReasoningContentToToolCalls,
 } from '../../prompt-converters.js';
 import { readSecret, SECRET_KEYS } from '../secrets.js';

         const processedMessages = addAssistantPrefix(postProcessPrompt(request.body.messages, PROMPT_PROCESSING_TYPE.SEMI_TOOLS, getPromptNames(request)), bodyParams.tools, 'prefix');
+        if (/-reasoner/.test(request.body.model)) {
+            addReasoningContentToToolCalls(processedMessages);
+        }
         const requestBody = {
             'messages': processedMessages,
             'model': request.body.model,

src/prompt-converters.js+19 -0 Viewed

+        }
+    }
+}
+/**
+ * Adds a dummy reasoning_content field to messages with tool calls for DeepSeek reasoner.
+ * @param {object[]} messages Array of messages
+ * @returns {void}
+ */
+export function addReasoningContentToToolCalls(messages) {
+    if (!Array.isArray(messages)) {
+        return;
+    }
+    for (const message of messages) {
+        if (!Array.isArray(message.tool_calls) || 'reasoning_content' in message) {
+            continue;
+        }
+        message.reasoning_content = '';
+    }
+}