these 2 derivations will be built:
  /nix/store/f3s9v3idqnabhy0f01alpxpqcvrxs4a2-claude-code-router-3.0.21-npm-deps.drv
  /nix/store/aldg5n2i3mc8vf82pb5ccv381ln5mi4s-claude-code-router-3.0.21.drv