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`backend setup --backend=firecracker` only covered the network pool. Lead with the other prerequisites: the firecracker binary (with a release install pointer when it's not on PATH, plus a NixOS note), a /dev/kvm check, and a reminder about the cached guest kernel + static dropbear and mke2fs. The network pool is now step 2. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01WBMWTEtQdJ4W5UrWuLHCck