setup-plugins: init followerIdentifiers before Yonexus config writes

scripts/setup-plugins.sh

@@ -306,6 +306,7 @@ configure_plugin() {
 
     Yonexus.Server)
       local P="plugins.entries.yonexus-server.config"
+      openclaw config set "$P.followerIdentifiers" '[]' --json 2>/dev/null || true
       oc_set_str  "$P.notifyBotToken"  "${YONEXUS_NOTIFY_BOT_TOKEN:-}"
       oc_set_str  "$P.adminUserId"     "${YONEXUS_ADMIN_USER_ID:-}"
       oc_set_num  "$P.listenPort"      "${YONEXUS_PORT:-}"