diff --git a/src/lib/events/use-ticket-events.ts b/src/lib/events/use-ticket-events.ts
index dbbba47..b389b88 100644
--- a/src/lib/events/use-ticket-events.ts
+++ b/src/lib/events/use-ticket-events.ts
@@ -3,6 +3,16 @@
 import { useEffect, useLayoutEffect, useRef } from "react";
 import type { TicketEvent } from "@/lib/events/bus";
 
+// A connection can go silently dead — e.g. a NAT/router along the path
+// drops a long-lived connection without ever sending a proper close, so
+// no error ever fires. EventSource only auto-reconnects on an actual
+// error, so a silent death leaves the subscription hanging indefinitely
+// with no visible symptom until an event is missed (reported: sound/toast
+// stopping after ~30 minutes of an idle tab). Forcing a fresh connection
+// periodically bounds how long that blind spot can last, regardless of
+// the exact cause.
+const FORCE_RECONNECT_MS = 4 * 60 * 1000;
+
 /** Subscribes to a ticket-events SSE endpoint for the lifetime of the component. Pass "" to defer subscribing (e.g. until a token is available). */
 export function useTicketEvents(url: string, onEvent: (event: TicketEvent) => void) {
   const handlerRef = useRef(onEvent);
@@ -12,14 +22,31 @@ export function useTicketEvents(url: string, onEvent: (event: TicketEvent) => vo
 
   useEffect(() => {
     if (!url) return;
-    const source = new EventSource(url);
-    source.onmessage = (e) => {
-      try {
-        handlerRef.current(JSON.parse(e.data) as TicketEvent);
-      } catch {
-        // malformed payload — ignore rather than crash the subscription
-      }
+
+    let source: EventSource;
+    let reconnectTimer: ReturnType<typeof setTimeout>;
+    let cancelled = false;
+
+    function connect() {
+      source = new EventSource(url);
+      source.onmessage = (e) => {
+        try {
+          handlerRef.current(JSON.parse(e.data) as TicketEvent);
+        } catch {
+          // malformed payload — ignore rather than crash the subscription
+        }
+      };
+      reconnectTimer = setTimeout(() => {
+        source.close();
+        if (!cancelled) connect();
+      }, FORCE_RECONNECT_MS);
+    }
+
+    connect();
+    return () => {
+      cancelled = true;
+      clearTimeout(reconnectTimer);
+      source.close();
     };
-    return () => source.close();
   }, [url]);
 }