Add Unraid support and fix lscpu parsing for colon-separated fields

setup-remote.sh

@@ -33,6 +33,7 @@ detect_os() {
             debian|ubuntu|raspbian) echo "debian" ;;
             alpine) echo "alpine" ;;
             openwrt) echo "openwrt" ;;
+            unraid-os|slackware) echo "unraid" ;;
             *) echo "unknown" ;;
         esac
     elif [ -f /etc/openwrt_release ]; then
@@ -68,6 +69,9 @@ create_user() {
                 mkdir -p "/home/$USERNAME"
                 chown "$USERNAME" "/home/$USERNAME"
                 ;;
+            unraid)
+                useradd -m -s /bin/bash "$USERNAME" 2>/dev/null || true
+                ;;
             *)
                 useradd --system --create-home --shell /bin/bash "$USERNAME" 2>/dev/null || \
                 adduser --system --group --shell /bin/bash --home "/home/$USERNAME" "$USERNAME"
@@ -180,6 +184,10 @@ install_packages() {
             # Best-effort - not all packages exist on all architectures
             opkg install sudo lm-sensors pciutils ip-full coreutils-stat 2>/dev/null || true
             ;;
+        unraid)
+            # Unraid ships with most tools pre-installed
+            echo "Unraid detected - tools are pre-installed"
+            ;;
         *)
             echo "Warning: unknown OS, skipping package install"
             echo "Manually install: lm-sensors pciutils iproute2 util-linux"