fix(dcrouter): bump @push.rocks/smartproxy to ^25.8.4 and remove custom smartProxy timeout/connection lifetime settings from dcrouter

ts/classes.dcrouter.ts

@@ -476,12 +476,6 @@ export class DcRouter {
         ...this.options.smartProxyConfig,
         routes,
         acme: acmeConfig,
-        // Tighter connection timeouts to prevent connection buildup
-        socketTimeout: 300_000, // 5 min idle socket timeout
-        inactivityTimeout: 600_000, // 10 min inactivity timeout
-        keepAliveInactivityMultiplier: 3, // keep-alive idle = 30 min (10min * 3)
-        extendedKeepAliveLifetime: 3_600_000, // keep-alive connections live max 1 hour
-        maxConnectionLifetime: 14_400_000, // absolute max connection lifetime 4 hours
         certStore: {
           loadAll: async () => {
             const keys = await this.storageManager.list('/proxy-certs/');