fix the ai and it should be working

app/api/chat/route.ts

@@ -8,22 +8,19 @@ export async function POST(request: Request) {
     const { userMessage, history, settings } = await request.json() as {
       userMessage: string;
       history: ChatHistory;
-      settings: ChatSetting;
+      settings?: ChatSetting; // settings is optional from the request
     };
 
-    const aiResponse = await chatToGemini(userMessage, history, settings);
-    return NextResponse.json({ response: aiResponse });
+    // Call the Gemini helper function
+    const geminiResponse = await chatToGemini(userMessage, history, settings || {});
+
+    return NextResponse.json({ response: geminiResponse });
   }
   catch (error) {
     console.error(error);
     return NextResponse.json(
-<<<<<<< HEAD
       {error: "Error with the model response " + String(error)},
       {status : 500}
-=======
-      { error: "Error with the model response " },
-      { status: 500 }
->>>>>>> ce9e6f34ed31b7bff736cc9ba9a1b8dcdec85f3a
     );
   }
 }