- Fixed the actual race:

Sent messages wait for polling to catch up before rendering.
Missing interleaved messages cannot appear above later ones.
Messages sort by server timestamp, then ID.
Timestamps are assigned atomically during SQLite insertion.
Client updated to 20260609.5.

index.html

@@ -17,7 +17,7 @@
   <script>
     window.CYBERCHAT_BASE = '';
   </script>
-  <script src="assets/js/cyberchat-app.js?v=20260609.4"></script>
+  <script src="assets/js/cyberchat-app.js?v=20260609.5"></script>
   <script>
     document.addEventListener('DOMContentLoaded', function() {
       CyberChat.init('#app');