updated Atla link

src/streamlit_app.py

@@ -163,7 +163,7 @@ def main():
     # Subtitle with demo and guide links
     st.markdown("""
     <div class="header-buttons">
-        <a href="https://app.atla-ai.com/app/atla-demo-802mg" target="_blank" class="header-btn">
+        <a href="https://demo.atla-ai.com/app/atla-demo-802mg" target="_blank" class="header-btn">
             <span class="emoji">🔍</span>View your traces on Atla
         </a>
         <a href="https://www.agno.com/?utm_source=atla&utm_medium=partner-content&utm_campaign=partner-technical&utm_content=atla" target="_blank" class="header-btn secondary">