- Merge init_macos.sh and init_vhost.sh into single init.sh
- Support MODE=gateway (Caddy/Nginx + Moltbot) and MODE=node (Moltbot only)
- Support macOS, Debian/Ubuntu, Rocky Linux/RHEL
- Auto-detect OS and install appropriate packages
- Configurable proxy (Caddy or Nginx with Certbot)
- Install from npm or git repository
- Unified health checks and configuration
