{inputs, ...}: {
  # This one brings our custom packages from the 'pkgs' directory
  # additions = final: prev:
  #   (import ../pkgs {pkgs = final;})
  #   // {
  #     zugferd-service = inputs.zugferd-service.packages.${prev.stdenv.hostPlatform.system}.default;
  #   };

  # This one contains whatever you want to overlay
  # You can change versions, add patches, set compilation flags, anything really.
  # https://nixos.wiki/wiki/Overlays
  modifications = final: prev: {
    # n8n = import ./mods/n8n.nix {inherit prev;};
    vivaldi = prev.vivaldi.override {
      commandLineArgs = "--enable-features=UseOzonePlatform --ozone-platform=wayland";
    };
    # example = prev.example.overrideAttrs (oldAttrs: rec {
    # ...
    # });
  };

  stable-packages = final: _prev: {
    stable = import inputs.nixpkgs-stable {
      system = final.stdenv.hostPlatform.system;
      config.allowUnfree = true;
    };
  };
  mkLlmAgentsOverlay = system: _final: _prev:
    removeAttrs (inputs.llm-agents.packages.${system} or {}) [
      # Internal helpers from packages/* marked hideFromDocs upstream:
      "antigravity"
      "auto-claude"
      "buildNpmPackage" # ← the culprit; breaks webcord's `buildNpmPackage.override { nodejs = ...; }`
      "bun2nix"
      "darwinOpenptyHook"
      "default" # fzf launcher; collides with nothing in nixpkgs but kept out for hygiene
      "dolt" # collides with nixpkgs.dolt (Dolt database); not used in this config
      "flake-inputs"
      "forge"
      "formatelf"
      "formatter" # collides conceptually with pkgs.formatter; not used here
      "go-bin"
      "unpinCargoMsrvHook"
      "unpinGoModVersionHook"
      "versionCheckHomeHook"
      "wrapBuddy"
    ];
}