feat(computer-use): package computer-use-linux and cua-driver

Package the prebuilt releases (computer-use-linux v0.7.1 and
cua-driver-rs v0.24.0) under pkgs/, injected through thin callPackage
overlays so they are easy to relocate to the NUR repository later.

overlays/computer-use-linux.nix

@@ -0,0 +1,3 @@
+_: _final: prev: {
+  computer-use-linux = prev.callPackage ../pkgs/computer-use-linux { };
+}

overlays/cua-driver.nix

@@ -0,0 +1,3 @@
+_: _final: prev: {
+  cua-driver = prev.callPackage ../pkgs/cua-driver { };
+}

pkgs/computer-use-linux/default.nix

@@ -0,0 +1,56 @@
+{
+  lib,
+  stdenv,
+  fetchurl,
+  autoPatchelfHook,
+}:
+let
+  version = "0.7.1";
+
+  # Prebuilt release binaries; the crate is not packaged in nixpkgs.
+  assets = {
+    x86_64-linux = {
+      target = "x86_64-unknown-linux-gnu";
+      hash = "sha256-Wp91gQrUKBjIoxIeEsRug4MYgZ6o6bcaDJoqq+RmmbQ=";
+    };
+    aarch64-linux = {
+      target = "aarch64-unknown-linux-gnu";
+      hash = "sha256-e376naC15EyNGfDN3ERTmvCPzd97v7WPzzVYq4zCjps=";
+    };
+  };
+
+  asset =
+    assets.${stdenv.hostPlatform.system}
+      or (throw "computer-use-linux: unsupported system ${stdenv.hostPlatform.system}");
+in
+stdenv.mkDerivation {
+  pname = "computer-use-linux";
+  inherit version;
+
+  src = fetchurl {
+    url = "https://github.com/agent-sh/computer-use-linux/releases/download/v${version}/computer-use-linux-${asset.target}";
+    inherit (asset) hash;
+  };
+
+  nativeBuildInputs = [ autoPatchelfHook ];
+  buildInputs = [ stdenv.cc.cc.lib ];
+
+  dontUnpack = true;
+
+  installPhase = ''
+    runHook preInstall
+    install -Dm755 $src $out/bin/computer-use-linux
+    runHook postInstall
+  '';
+
+  meta = {
+    description = "MCP server and CLI to control a Linux desktop";
+    homepage = "https://github.com/agent-sh/computer-use-linux";
+    license = lib.licenses.mit;
+    platforms = [
+      "x86_64-linux"
+      "aarch64-linux"
+    ];
+    mainProgram = "computer-use-linux";
+  };
+}

pkgs/cua-driver/default.nix

@@ -0,0 +1,55 @@
+{
+  lib,
+  stdenv,
+  fetchurl,
+  autoPatchelfHook,
+  libxkbcommon,
+  xorg,
+}:
+let
+  version = "0.24.0";
+
+  # Prebuilt release binary; the crate is not packaged in nixpkgs.
+  asset = {
+    url = "https://github.com/trycua/cua/releases/download/cua-driver-rs-v${version}/cua-driver-rs-${version}-linux-x86_64-binary.tar.gz";
+    hash = "sha256-s7j/Ullf6xESGaoKyQ47NmGMxoaqggWu1PPn4aZ8e2Q=";
+  };
+in
+stdenv.mkDerivation {
+  pname = "cua-driver";
+  inherit version;
+
+  src = fetchurl asset;
+
+  nativeBuildInputs = [ autoPatchelfHook ];
+  buildInputs = [
+    stdenv.cc.cc.lib
+    xorg.libX11
+    xorg.libXi
+    libxkbcommon
+  ];
+
+  sourceRoot = ".";
+  dontConfigure = true;
+  dontBuild = true;
+
+  installPhase = ''
+    runHook preInstall
+    install -Dm755 cua-driver $out/bin/cua-driver
+    install -Dm755 cua-cursor-theme $out/lib/cua-driver/cua-cursor-theme
+    install -Dm755 libcua_driver_sdk.so $out/lib/cua-driver/libcua_driver_sdk.so
+    install -Dm755 cua_driver_node_runtime.node $out/lib/cua-driver/cua_driver_node_runtime.node
+    install -Dm644 cua_driver_abi.h $out/include/cua-driver/cua_driver_abi.h
+    mkdir -p $out/share/cua-driver
+    cp -r wayland-helper $out/share/cua-driver/wayland-helper
+    runHook postInstall
+  '';
+
+  meta = {
+    description = "Desktop-automation driver for computer-use agents (MCP/CLI)";
+    homepage = "https://github.com/trycua/cua";
+    license = lib.licenses.mit;
+    platforms = [ "x86_64-linux" ];
+    mainProgram = "cua-driver";
+  };
+}