feat(fnos): scaffold Havline fnOS application package

fnos/havline/cmd/config_callback

@@ -0,0 +1,12 @@
+#!/bin/bash
+set -euo pipefail
+
+for var in wizard_service_port wizard_nginx_http_port wizard_nginx_https_port; do
+  value="${!var:-}"
+  if ! [[ "$value" =~ ^[0-9]+$ ]]; then
+    echo "$var 必须是数字端口" > "$TRIM_TEMP_LOGFILE"
+    exit 1
+  fi
+done
+
+exit 0