structuredAttrs is enabled

trying https://github.com/musistudio/claude-code-router/archive/refs/tags/v3.0.19.tar.gz
  % 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 18.38M   0 18.38M   0      0 12.67M      0           00:01         13.71M
unpacking source archive /nix/var/nix/builds/nix-91156-232805822/download.tar.gz