Add codex and configure noisetorch

.gitignore

@@ -7,3 +7,5 @@ BrewFile.lock.json
 /nix-shells/macos-vm/
 
 logs/
+
+openclaw/.npm-global/

AGENTS.md

@@ -1,9 +1,11 @@
 Use idiomatic nix.
 
-Before making changes, read the appropriate entries of the following manuals:
+If needed, read the appropriate entries of the following manuals:
 - man configuration.nix
 - man home-configuration.nix
+- ... among other resources
 
 Do not read the entire manual at once, instead search only for what you need.
 
 After editing nix configurations, always run  `nix flake check nixos/` to check for errors.
+Do NOT attempt to rebuild the system, let the user handle that.

nixos/configuration.nix

@@ -91,11 +91,6 @@
     ];
   };
 
-  hardware.graphics = {
-    enable = true;
-    enable32Bit = true;
-  };
-
   # Packages
   nixpkgs.config.allowUnfree = true;
   environment.systemPackages = with pkgs; [
@@ -138,7 +133,73 @@
   };
 
   # Set up virtualisation
-  virtualisation.libvirtd.enable = true;
+  virtualisation.libvirtd = {
+    enable = true;
+
+    # Enable TPM emulation (for Windows 11)
+    qemu = {
+      swtpm.enable = true;
+    };
+  };
+
+  # Enable USB redirection
+  virtualisation.spiceUSBRedirection.enable = true;
+
+  # Allow VM management
+  users.groups.libvirtd.members = [ "trude" ];
+  users.groups.kvm.members = [ "trude" ];
+
+  hardware.graphics = {
+    enable = true;
+    enable32Bit = true;
+  };
+
+  # Noise cancellation
+  programs.noisetorch.enable = true;
+
+  # UPS (Green Cell 2000VA)
+  power.ups = {
+    enable = true;
+    mode = "standalone";
+    ups.greencell = {
+      driver = "nutdrv_qx";
+      port = "auto";
+      description = "Green Cell UPS 2000VA";
+      directives = [
+        "vendorid = 0001"
+        "productid = 0000"
+      ];
+    };
+    users.upsmon = {
+      passwordFile = "${pkgs.writeText "upsmon-password" "upsmonpass"}";
+      upsmon = "primary";
+      instcmds = [ "ALL" ];
+    };
+    upsmon.monitor.greencell = {
+      user = "upsmon";
+    };
+  };
+
+  # RAM Optimizations (important for AI workloads)
+  zramSwap = {
+    enable = true;
+    algorithm = "zstd";
+    # Total "virtual" swap size. 100% of RAM is safe for zRAM.
+    memoryPercent = 100; # Drop to 50% if 64+GB of RAM
+  };
+  services.earlyoom = {
+    enable = true;
+    # Start killing processes when available RAM drops below 10%
+    freeMemThreshold = 10; # Drop to 5% if 64+GB of RAM, increase if on <16GB RAM.
+    # Start killing processes when available swap drops below 10%
+    freeSwapThreshold = 10;
+  };
+  boot.kernel.sysctl = {
+    "vm.swappiness" = 100;
+    "vm.vfs_cache_pressure" = 50;
+    # Helps prevent the system from "stuttering" when it starts swapping
+    "vm.watermark_boost_factor" = 0;
+  };
 
   # Open ports in the firewall.
   networking.firewall.enable = true;

nixos/flake.lock

@@ -7,11 +7,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1769622371,
+        "lastModified": 1772380461,
-        "narHash": "sha256-Cs1/+P3ntxl9mOIL7/QtItBAzQJ2xjvTMHv7qw0nFV0=",
+        "narHash": "sha256-O3ukj3Bb3V0Tiy/4LUfLlBpWypJ9P0JeUgsKl2nmZZY=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "02d763228d8aff317e6e5a319474b6d4d9d826a5",
+        "rev": "f140aa04d7d14f8a50ab27f3691b5766b17ae961",
         "type": "github"
       },
       "original": {
@@ -22,11 +22,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1769461804,
+        "lastModified": 1772198003,
-        "narHash": "sha256-msG8SU5WsBUfVVa/9RPLaymvi5bI8edTavbIq3vRlhI=",
+        "narHash": "sha256-I45esRSssFtJ8p/gLHUZ1OUaaTaVLluNkABkk6arQwE=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "bfc1b8a4574108ceef22f02bafcf6611380c100d",
+        "rev": "dd9b079222d43e1943b6ebd802f04fd959dc8e61",
         "type": "github"
       },
       "original": {

nixos/home.nix

@@ -17,11 +17,19 @@
     nil
     bat
 
-    vscode
     vesktop
     google-chrome
     localsend
     #stremio
+    element-desktop
+
+    # Dev tools / AI
+    vscode
+    codex
+    opencode-desktop
+    nodejs
+    python3
+    lmstudio
 
     # VR / Games
     bs-manager
@@ -29,6 +37,7 @@
     prismlauncher
     protonup-qt
     wayvr
+    unityhub
 
     # Gnome Extensions
     gnomeExtensions.caffeine
@@ -48,14 +57,12 @@
     switcheroo
     wordbook
     textpieces
+    gnome-sound-recorder
 
     # Virtualisation
-    gnome-boxes # VM management
+    gnome-boxes
-    dnsmasq # VM networking
+    dnsmasq
-
+    phodav
-    # AI
-    lmstudio
-    nodejs
 
     # Scripts
     (pkgs.writeShellScriptBin "colors" ''
@@ -198,6 +205,7 @@
       raid = "sudo mdadm --detail /dev/md0";
       unp = "unp -U";
       cat = "bat";
+      lmcodex = "codex --oss -m qwen3-coder-30b-a3b-instruct";
     };
     historySize = 10000;
     historyFileSize = 100000;
@@ -412,6 +420,7 @@
           "_processor_usage_"
           "_gpu#1_usage_"
           "_memory_usage_"
+          "_memory_swap_usage_"
           "__temperature_max__"
         ];
         icon-style = 1;
@@ -437,10 +446,26 @@
     };
   };
 
-  programs.opencode = {
+  systemd.user.services.noisetorch = {
-    enable = true;
+    Unit = {
-    settings = {
+      Description = "NoiseTorch Noise Cancelling";
-      autoshare = false; # No telemetry
+      After = [
+        "graphical-session.target"
+        "pipewire.service"
+        "wireplumber.service"
+      ];
+      Wants = [ "graphical-session.target" ];
+      PartOf = [ "graphical-session.target" ];
+    };
+    Install = {
+      WantedBy = [ "graphical-session.target" ];
+    };
+    Service = {
+      Type = "oneshot";
+      ExecStart = "${pkgs.noisetorch}/bin/noisetorch -i";
+      ExecStop = "${pkgs.noisetorch}/bin/noisetorch -u";
+      RemainAfterExit = true;
+      TimeoutStartSec = "30s";
     };
   };
 

openclaw/.envrc

@@ -0,0 +1 @@
+use flake

openclaw/README.md

@@ -1,24 +0,0 @@
-# Openclaw
-
-Development shell for [Openclaw](https://github.com/openclaw/openclaw) with Ollama.
-
-## Usage
-
-```bash
-nix develop
-```
-
-Auto-starts:
-- **ollama** on http://localhost:11434
-- **openclaw-gateway** (uses config from `~/.openclaw`)
-
-## Commands
-
-```bash
-ollama list              # List models
-ollama run llama3.2:3b   # Chat with model
-
-# Stop services
-pkill ollama
-pkill openclaw-gateway
-```

openclaw/flake.lock

@@ -18,95 +18,17 @@
         "type": "github"
       }
     },
-    "home-manager": {
-      "inputs": {
-        "nixpkgs": [
-          "nix-openclaw",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1767909183,
-        "narHash": "sha256-u/bcU0xePi5bgNoRsiqSIwaGBwDilKKFTz3g0hqOBAo=",
-        "owner": "nix-community",
-        "repo": "home-manager",
-        "rev": "cd6e96d56ed4b2a779ac73a1227e0bb1519b3509",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "home-manager",
-        "type": "github"
-      }
-    },
-    "nix-openclaw": {
-      "inputs": {
-        "flake-utils": "flake-utils",
-        "home-manager": "home-manager",
-        "nix-steipete-tools": "nix-steipete-tools",
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1770307011,
-        "narHash": "sha256-xrLN4YZtd+AOkGnQqLQ7BW7Ln10X3cvbHYFog9DZTwQ=",
-        "owner": "openclaw",
-        "repo": "nix-openclaw",
-        "rev": "4c4a7cb03bc5f32b0e24b1c466d10fda27fd8af2",
-        "type": "github"
-      },
-      "original": {
-        "owner": "openclaw",
-        "repo": "nix-openclaw",
-        "type": "github"
-      }
-    },
-    "nix-steipete-tools": {
-      "inputs": {
-        "nixpkgs": "nixpkgs"
-      },
-      "locked": {
-        "lastModified": 1770240566,
-        "narHash": "sha256-fY8t41kMSHu2ovf89mIdvC7vkceroCwKxw/MKVn4rsE=",
-        "owner": "openclaw",
-        "repo": "nix-steipete-tools",
-        "rev": "983210e3b6e9285780e87f48ce9354b51a270e95",
-        "type": "github"
-      },
-      "original": {
-        "owner": "openclaw",
-        "repo": "nix-steipete-tools",
-        "type": "github"
-      }
-    },
     "nixpkgs": {
-      "locked": {
-        "lastModified": 1767364772,
-        "narHash": "sha256-fFUnEYMla8b7UKjijLnMe+oVFOz6HjijGGNS1l7dYaQ=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "16c7794d0a28b5a37904d55bcca36003b9109aaa",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "nixpkgs_2": {
       "locked": {
         "lastModified": 1770197578,
         "narHash": "sha256-AYqlWrX09+HvGs8zM6ebZ1pwUqjkfpnv8mewYwAo+iM=",
-        "owner": "NixOS",
+        "owner": "nixos",
         "repo": "nixpkgs",
         "rev": "00c21e4c93d963c50d4c0c89bfa84ed6e0694df2",
         "type": "github"
       },
       "original": {
-        "owner": "NixOS",
+        "owner": "nixos",
         "ref": "nixos-unstable",
         "repo": "nixpkgs",
         "type": "github"
@@ -114,8 +36,8 @@
     },
     "root": {
       "inputs": {
-        "nix-openclaw": "nix-openclaw",
+        "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs_2"
+        "nixpkgs": "nixpkgs"
       }
     },
     "systems": {

openclaw/flake.nix

@@ -1,76 +1,56 @@
+# nix develop
 {
-  description = "Openclaw development shell";
+  description = "OpenClaw dev shell";
 
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
-    nix-openclaw = {
+    flake-utils.url = "github:numtide/flake-utils";
-      url = "github:openclaw/nix-openclaw";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
   };
 
   outputs =
-    { nixpkgs, nix-openclaw, ... }:
+    {
+      self,
+      nixpkgs,
+      flake-utils,
+    }:
+    flake-utils.lib.eachDefaultSystem (
+      system:
       let
-      system = "x86_64-linux";
+        pkgs = nixpkgs.legacyPackages.${system};
-      pkgs = import nixpkgs {
-        inherit system;
-        overlays = [ nix-openclaw.overlays.default ];
-      };
       in
       {
-      devShells.${system}.default = pkgs.mkShell {
+        devShells.default = pkgs.mkShell {
-        buildInputs = [
+          name = "openclaw-shell";
-          pkgs.openclaw-gateway
+
-          pkgs.openclaw-tools
+          buildInputs = with pkgs; [
-          pkgs.trash-cli
+            nodejs_22
-          pkgs.ollama
+            git
+            curl
+            cmake
           ];
 
           shellHook = ''
-          # Start ollama service if not already running
+            echo "🦞 OpenClaw"
-          if ! pgrep -x "ollama" > /dev/null; then
+            echo ""
-            echo "Starting ollama service..."
-            ollama serve &>/dev/null &
-            sleep 2
-          fi
 
-          # Pull model if needed (runs in background)
+            # Set up local npm prefix to avoid permission issues
-          if ! ollama list 2>/dev/null | grep -q "llama3.2:3b"; then
+            export NPM_CONFIG_PREFIX="$PWD/.npm-global"
-            echo "Pulling llama3.2:3b model (running in background)..."
+            export PATH="$NPM_CONFIG_PREFIX/bin:$PATH"
-            ollama pull llama3.2:3b &
-          fi
 
-          # Start openclaw-gateway if not already running (uses ~/.openclaw config)
+            # Ensure the prefix directory exists
-          if ! pgrep -f "openclaw-gateway" > /dev/null; then
+            mkdir -p "$NPM_CONFIG_PREFIX/bin"
-            echo "Starting openclaw-gateway..."
-            openclaw gateway &>/dev/null &
-            sleep 1
-          fi
 
-          xdg-open http://127.0.0.1:18789/ &
+            # Install openclaw if not already installed
+            if ! command -v openclaw &> /dev/null; then
+              echo "📦 Installing OpenClaw..."
+              npm install -g openclaw
+            fi
 
             echo ""
-          echo "Openclaw development shell"
+            echo "Run 'openclaw gateway' to start the gateway"
-          echo ""
-          echo "Services:"
-          echo "  ollama             - http://localhost:11434"
-          if pgrep -f "openclaw-gateway" > /dev/null; then
-            echo "  openclaw-gateway   - Running"
-          fi
-          echo ""
-          echo "Commands:"
-          echo "  ollama list        - List models"
-          echo "  ollama run <model> - Chat with a model"
             echo ""
           '';
         };
-
+      }
-      # Also expose the packages for direct use
+    );
-      packages.${system} = {
-        default = pkgs.openclaw;
-        gateway = pkgs.openclaw-gateway;
-        tools = pkgs.openclaw-tools;
-      };
-    };
 }