these 2 derivations will be built:
  /nix/store/1fqvhq57zy96jjiq7fvfrp0zb7bmm9yr-resulting-skills-tree.drv
  /nix/store/xll85iw7x3zhaxkjnlj6pzc08j4inscj-validate-skills.drv
this path will be fetched (0.0 KiB download, 84.5 KiB unpacked):
  /nix/store/3c3ngkfcbivw0r23k1fzy07x6f35bjw2-cks-agent-skills-7296de1