Remove discovered relays auto-refresh interval — fetch only on manual expand click to prevent worker message queue starvation

www/js/version.json

@@ -1,5 +1,5 @@
 {
-  "VERSION": "v0.7.44",
-  "VERSION_NUMBER": "0.7.44",
-  "BUILD_DATE": "2026-06-26T13:54:18.538Z"
+  "VERSION": "v0.7.45",
+  "VERSION_NUMBER": "0.7.45",
+  "BUILD_DATE": "2026-06-26T14:08:13.927Z"
 }

www/relays.html

@@ -1586,14 +1586,8 @@ const versionInfo = await getVersion();
         // Refresh relay table every 5 seconds
         setInterval(refreshRelayData, 5000);
 
-        // Refresh discovered relays (outbox) on a slower 15s interval,
-        // and only when the section is expanded, to avoid blocking the
-        // worker's message queue with LRU cache iteration on every 5s cycle.
-        setInterval(() => {
-          if (discoveredRelaysExpanded) {
-            void refreshDiscoveredRelays();
-          }
-        }, 15000);
+        // Discovered relays are fetched only on manual expand click — no
+        // auto-refresh interval, to avoid blocking the worker's message queue.
 
         // Sync connection history toggle state from localStorage
         connectionHistoryEnabled = localStorage.getItem('relayConnectionHistory') === 'true';