Features: - Add 'vers tunnel' command for SSH port forwarding (#157) - Add 'vers head' command to display current HEAD VM ID (#156) - Auto-resume paused VMs on 'vers connect' (#152) - Staging SSH support via VERS_URL-derived VM domain Fixes: - Static binary builds in release workflow (#154, fixes #104) - 'vers execute' now handles aliases and HEAD (#153) - Fallback version when -ldflags not passed (#155)