feat(format-history): remove extra :

src/app/api/search/route.ts

@@ -81,8 +81,7 @@ export const POST = async (req: Request) => {
     if (body.chatModel?.provider === 'custom_openai') {
       llm = new ChatOpenAI({
         modelName: body.chatModel?.name || getCustomOpenaiModelName(),
-        apiKey:
-          body.chatModel?.customOpenAIKey || getCustomOpenaiApiKey(),
+        apiKey: body.chatModel?.customOpenAIKey || getCustomOpenaiApiKey(),
         temperature: 0.7,
         configuration: {
           baseURL:

src/lib/utils/formatHistory.ts

@@ -4,7 +4,7 @@ const formatChatHistoryAsString = (history: BaseMessage[]) => {
   return history
     .map(
       (message) =>
-        `${isAIMessage(message) ? 'AI' : 'User:'}: ${message.content}`,
+        `${isAIMessage(message) ? 'AI' : 'User'}: ${message.content}`,
     )
     .join('\n');
 };