structuredAttrs is enabled

trying https://registry.npmjs.org/@musistudio/claude-code-router/-/claude-code-router-3.1.1.tgz
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed

  0      0   0      0   0      0      0      0                              0
100  6.11M 100  6.11M   0      0 16.53M      0                              0
100  6.11M 100  6.11M   0      0 16.53M      0                              0
100  6.11M 100  6.11M   0      0 16.53M      0                              0
unpacking source archive /nix/var/nix/builds/nix-73776-2460939564/claude-code-router-3.1.1.tgz