structuredAttrs is enabled

trying https://github.com/musistudio/claude-code-router/archive/refs/tags/v3.0.20.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 18.58M   0 18.58M   0      0 13.60M      0           00:01         15.67M
unpacking source archive /nix/var/nix/builds/nix-25998-371546444/download.tar.gz