{
  description = "La Suite Meet test environment";

  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";

  outputs = { nixpkgs, ... }:
    let
      systems = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ];
      forAllSystems = f: nixpkgs.lib.genAttrs systems (system: f {
        pkgs = import nixpkgs { inherit system; };
      });
    in {
      devShells = forAllSystems ({ pkgs }: {
        default = pkgs.mkShell {
          packages = with pkgs; [
            (python3.withPackages (ps: with ps; [
              requests
              numpy
              pip
            ]))
            libva
          ];

          LD_LIBRARY_PATH = pkgs.lib.makeLibraryPath [ pkgs.libva ];

          shellHook = ''
            export VENV_DIR="$PWD/.venv"
            if [ ! -d "$VENV_DIR" ]; then
              echo "Creating venv and installing livekit SDK..."
              python3 -m venv "$VENV_DIR" --system-site-packages
              "$VENV_DIR/bin/pip" install --quiet livekit
            fi
            source "$VENV_DIR/bin/activate"
            echo "La Suite Meet test shell ready"
            echo "  python3 webrtc-media.py"
          '';
        };
      });
    };
}