these 2 derivations will be built:
  /nix/store/p8p91733z0hrngzzqxcbpwnrc3w3wvz8-claude-code-router-3.1.3.drv
  /nix/store/djh4cgmp07w98hp5lzqk63r0vqhrwh7k-check-claude-code-router.drv