feat: add openclaw node service and migrate to lix

- Add headless openclaw node systemd service for host execution
- Migrate from nix to lix package manager
- Permit openclaw-2026.3.12 (insecure package warning)
- Use ai-worker user for node service

flake.nix

@@ -8,10 +8,14 @@
       inputs.darwin.follows = "";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+    lix = {
+      url = "git+https://git.lix.systems/lix-project/lix?ref=main";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
     self.submodules = true;
   };
 
-  outputs = { self, nixpkgs, agenix, ... }@inputs:
+  outputs = { self, nixpkgs, agenix, lix, ... }@inputs:
     let
       system = "x86_64-linux";
       keys = import ./lib/keys.nix;
@@ -26,6 +30,9 @@
       pkgs = import nixpkgs {
         inherit system overlays;
         config.allowUnfree = true;
+        config.permittedInsecurePackages = [
+          "openclaw-2026.3.12"
+        ];
       };
 
       devShell = import ./shells/nix_dev.nix {
@@ -35,12 +42,16 @@
       {
         nixosConfigurations = {
           lazyworkhorse = nixpkgs.lib.nixosSystem {
-            specialArgs = { inherit system self keys paths; };
+            specialArgs = { inherit system self keys paths inputs; };
             modules = [
               {
                 nixpkgs.overlays = overlays;
                 nixpkgs.config.allowUnfree = true;
                 nixpkgs.config.rocmSupport = true;
+                nixpkgs.config.permittedInsecurePackages = [
+                  "openclaw-2026.3.12"
+                ];
+                nix.package = lix.packages.${system}.default;
               }
               agenix.nixosModules.default
               ./hosts/lazyworkhorse/configuration.nix
@@ -49,6 +60,7 @@
               ./modules/nixos/services/docker_manager.nix
               ./modules/nixos/services/open_code_server.nix
               ./modules/nixos/services/ollama_init_custom_models.nix
+              ./modules/nixos/services/openclaw_node.nix
               ./users/gortium.nix
             ];
           };

hosts/lazyworkhorse/configuration.nix

@@ -209,6 +209,7 @@
 
     coms = {
       path = self + "/assets/compose/coms";
+      envFile = config.age.secrets.containers_env.path;
     };
 
     finance = {
@@ -255,9 +256,26 @@
       #   mode = "0600";
       #   path = "/home/n8n-worker/.ssh/n8n_ssh_key";
       # };
+      openclaw_gateway_token = {
+        file = ../../secrets/openclaw_gateway_token.age;
+        owner = "root";
+        group = "openclaw-node";
+        mode = "0440";
+        path = "/run/secrets/openclaw_gateway_token";
+      };
     };
   };
 
+  # OpenClaw Node service (host-side execution for Docker gateway)
+  services.openclaw-node = {
+    enable = true;
+    user = "ai-worker";
+    gatewayHost = "127.0.0.1";
+    gatewayPort = 18789;
+    gatewayTokenFile = "/run/secrets/openclaw_gateway_token";
+    displayName = "lazyworkhorse-host";
+  };
+
   # Public host ssh key (kept in sync with the private one)
   environment.etc."ssh/ssh_host_ed25519_key.pub".text =
     "${keys.hosts.lazyworkhorse.main}";

modules/nixos/services/openclaw_node.nix

@@ -0,0 +1,69 @@
+{ config, lib, pkgs, ... }:
+
+let
+  cfg = config.services.openclaw-node;
+  openclawPkg = pkgs.openclaw;
+in {
+  options.services.openclaw-node = {
+    enable = lib.mkEnableOption "OpenClaw Node service";
+
+    user = lib.mkOption {
+      type = lib.types.str;
+      default = "ai-worker";
+      description = "User to run the OpenClaw headless node as.";
+    };
+
+    gatewayHost = lib.mkOption {
+      type = lib.types.str;
+      default = "127.0.0.1";
+      description = "Gateway host (IP or hostname).";
+    };
+
+    gatewayPort = lib.mkOption {
+      type = lib.types.int;
+      default = 18789;
+      description = "Gateway WebSocket port.";
+    };
+
+    gatewayTokenFile = lib.mkOption {
+      type = lib.types.str;
+      default = "";
+      description = "Path to file containing the gateway auth token.";
+    };
+
+    displayName = lib.mkOption {
+      type = lib.types.str;
+      default = "lazyworkhorse-host";
+      description = "Display name for this node (shown in pairing).";
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    systemd.services.openclaw-node = {
+      description = "OpenClaw Headless Node Service";
+      after = [ "network.target" ];
+      wantedBy = [ "multi-user.target" ];
+
+      serviceConfig = {
+        Type = "exec";
+        User = cfg.user;
+        Group = cfg.user;
+        WorkingDirectory = "/var/lib/${cfg.user}";
+        ExecStart = ''
+          ${openclawPkg}/bin/openclaw \
+            node run \
+            --host ${cfg.gatewayHost} \
+            --port ${toString cfg.gatewayPort} \
+            --display-name "${cfg.displayName}"
+        '';
+        Restart = "on-failure";
+        RestartSec = 10;
+      };
+
+      environment = {
+        OPENCLAW_GATEWAY_TOKEN_FILE = cfg.gatewayTokenFile;
+        NODE_ENV = "production";
+      };
+    };
+  };
+}

secrets/openclaw_gateway_token.age

@@ -0,0 +1,11 @@
+-----BEGIN AGE ENCRYPTED FILE-----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+-----END AGE ENCRYPTED FILE-----

secrets/secrets.nix

@@ -10,4 +10,5 @@ in
   "containers.env.age".publicKeys = authorizedKeys;
   "lazyworkhorse_host_ssh_key.age".publicKeys = authorizedKeys;
   "n8n_ssh_key.age".publicKeys = authorizedKeys;
+  "openclaw_gateway_token.age".publicKeys = authorizedKeys;
 }