feat: Update function to async

app.py

@@ -4,6 +4,8 @@ from openai import OpenAI
 from dotenv import load_dotenv
 
 load_dotenv()
+
+# Global client initialization (Prevents connection overhead)
 api_key = os.getenv("GROQ_API_KEY")
 if not api_key:
     raise RuntimeError("GROQ_API_KEY is not set")
@@ -14,7 +16,7 @@ client = OpenAI(
     timeout=120.0
 )
 
-def respond(
+async def respond(
     message,
     history,
     system_message,