structuredAttrs is enabled

trying https://registry.npmjs.org/@musistudio/claude-code-router/-/claude-code-router-3.0.21.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  5.06M 100  5.06M   0      0 13.70M      0                              0
100  5.06M 100  5.06M   0      0 13.69M      0                              0
100  5.06M 100  5.06M   0      0 13.69M      0                              0
unpacking source archive /nix/var/nix/builds/nix-78856-1806023800/claude-code-router-3.0.21.tgz