Update index.html

index.html

@@ -814,7 +814,7 @@ function addMsg(agent, opts = {}) {
     av.style.background = avatarBg(agent.color || '#2dd4bf');
     av.style.boxShadow = '0 0 8px ' + (agent.color || '#2dd4bf') + '55';
     av.textContent = agent.emoji || '\u{1F916}';
-    d.insertBefore(av, content);
+    d.appendChild(av);
     who.textContent = agent.name;
     who.style.color = agent.color || 'var(--accent)';
   }