{
  description = "Lightweight Codex OAuth proxy with an OpenAI-compatible API";

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

  outputs =
    { self, nixpkgs }:
    let
      systems = [
        "x86_64-linux"
        "aarch64-linux"
      ];
      forAllSystems = nixpkgs.lib.genAttrs systems;
    in
    {
      packages = forAllSystems (
        system:
        let
          pkgs = nixpkgs.legacyPackages.${system};
          built = pkgs.callPackage ./nix/package.nix { };
        in
        {
          default = built.combined;
          vibe-proxy = built.combined;
          backend = built.backend;
          frontend = built.frontend;
        }
      );

      apps = forAllSystems (system: {
        default = self.apps.${system}.vibe-proxy;
        vibe-proxy = {
          type = "app";
          program = "${self.packages.${system}.default}/bin/vibe-proxy";
        };
      });

      checks = forAllSystems (system: {
        package = self.packages.${system}.default;
        backend = self.packages.${system}.backend;
        frontend = self.packages.${system}.frontend;
      });

      devShells = forAllSystems (
        system:
        let
          pkgs = nixpkgs.legacyPackages.${system};
        in
        {
          default = pkgs.mkShell {
            packages = with pkgs; [
              git
              go_1_26
              golangci-lint
              gopls
              gotools
              nodejs_24
              nixfmt
              pnpm
              yaml-language-server
            ];
          };
        }
      );

      formatter = forAllSystems (system: nixpkgs.legacyPackages.${system}.nixfmt);

      nixosModules = {
        default = self.nixosModules.vibe-proxy;
        vibe-proxy = import ./nix/module.nix { inherit self; };
      };
    };
}