minor fixes

server.js

@@ -89,6 +89,22 @@ function sendSubscriptions() {
   sendBinary(buildSubscribeFrame('presence'));
 }
 
+// Presence is client-driven — must re-request every 30s to get updated counts
+let presenceTimer = null;
+
+function startPresencePolling() {
+  if (presenceTimer) clearInterval(presenceTimer);
+  presenceTimer = setInterval(() => {
+    if (ftSocket && ftSocket.readyState === 1) {
+      sendBinary(buildSubscribeFrame('presence'));
+    }
+  }, 30000);
+}
+
+function stopPresencePolling() {
+  if (presenceTimer) { clearInterval(presenceTimer); presenceTimer = null; }
+}
+
 // ── Simple msgpack decoder (enough for fishtank events) ─────
 function mpDecode(buf, offset = 0) {
   if (offset >= buf.length) return [null, offset];
@@ -205,6 +221,7 @@ function handleBinaryFrame(buf) {
       namespaceReady = true;
       broadcast({ _ft: 'ws_status', status: 'connected' });
       sendSubscriptions();
+      startPresencePolling();
       return;
     }
 
@@ -286,6 +303,7 @@ function connectFishtankWS(token) {
     console.log(`[WS] Disconnected (${code} ${reason || ''}). Reconnecting in 5s...`);
     broadcast({ _ft: 'ws_status', status: 'disconnected' });
     namespaceReady = false;
+    stopPresencePolling();
     reconnectTimer = setTimeout(() => connectFishtankWS(null), 5000);
   });