these 3 derivations will be built:
  /nix/store/cz86vrqlwi61hrj20xanfw30r9dkcyyy-claude-code-router-3.1.3-npm-deps.drv
  /nix/store/khdih5h1an7za73yyvlzg0g5ymsskd5j-claude-code-router-3.1.3.drv
  /nix/store/6i609wvvmcld9bq0rmlwsac0qsjvbx9w-check-claude-code-router.drv