Update app.py

app.py

@@ -16,12 +16,17 @@ def respond(message, history):
             )
         }
     ]
+
+    # Convert Gradio history format to API format
     
-    if history:
-        messages.extend(history)
-        
-    messages.append({"role": "user", "content": message})
-    
+    for user_msg, bot_msg in history:
+        messages.append({"role": "user", "content": user_msg})
+    messages.append({"role": "assistant", "content": bot_msg})
+
+    # Add latest user message
+    messages.append("role": "user", "content": message})
+
+    #Get model response
     response = client.chat_completion(
         messages,
         max_tokens=150