fix(cleanup): prevent event listener and log stream leaks, tighten smartProxy connection timeouts, and improve graceful shutdown behavior

ts/remoteingress/classes.tunnel-manager.ts

@@ -81,6 +81,8 @@ export class TunnelManager {
       clearInterval(this.reconcileInterval);
       this.reconcileInterval = null;
     }
+    // Remove event listeners before stopping to prevent leaks
+    this.hub.removeAllListeners();
     await this.hub.stop();
     this.edgeStatuses.clear();
   }