Add UPS support

AGENTS.md

@@ -7,3 +7,4 @@ Before making changes, read the appropriate entries of the following manuals:
 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

@@ -140,6 +140,29 @@
   # Set up virtualisation
   virtualisation.libvirtd.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";
+    };
+  };
+
   # Open ports in the firewall.
   networking.firewall.enable = true;
   networking.firewall.allowedTCPPorts = [ 11434 ]; # LMStudio (must be manually configured)

nixos/home.nix

@@ -48,6 +48,7 @@
     switcheroo
     wordbook
     textpieces
+    gnome-sound-recorder
 
     # Virtualisation
     gnome-boxes # VM management

openclaw/flake.nix

@@ -24,27 +24,13 @@
           pkgs.openclaw-gateway
           pkgs.openclaw-tools
           pkgs.trash-cli
-          pkgs.ollama
         ];
 
         shellHook = ''
-          # Start ollama service if not already running
-          if ! pgrep -x "ollama" > /dev/null; then
-            echo "Starting ollama service..."
-            ollama serve &>/dev/null &
-            sleep 2
-          fi
-
-          # Pull model if needed (runs in background)
-          if ! ollama list 2>/dev/null | grep -q "llama3.2:3b"; then
-            echo "Pulling llama3.2:3b model (running in background)..."
-            ollama pull llama3.2:3b &
-          fi
-
           # Start openclaw-gateway if not already running (uses ~/.openclaw config)
           if ! pgrep -f "openclaw-gateway" > /dev/null; then
             echo "Starting openclaw-gateway..."
-            openclaw gateway &>/dev/null &
+            openclaw gateway &
             sleep 1
           fi