Fix Volumio startup and online updates

scripts/install_volumio_services.sh

@@ -0,0 +1,58 @@
+#!/bin/bash
+
+set -euo pipefail
+
+if [ "$(id -u)" -ne 0 ]; then
+  echo "run this installer as root" >&2
+  exit 1
+fi
+
+SCRIPT_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd -P)"
+PHOENIX_ROOT="$(cd "$SCRIPT_DIR/.." && pwd -P)"
+SYSTEMD_SOURCE="$PHOENIX_ROOT/etc/systemd/system"
+SUDOERS_SOURCE="$PHOENIX_ROOT/etc/sudoers.d/phoenix-update-volumio"
+LIBEXEC_DIR="/usr/local/libexec/phoenix"
+
+required_files=(
+  "$SYSTEMD_SOURCE/analyzer-kiosk-volumio.service"
+  "$SYSTEMD_SOURCE/analyzer-web-volumio.service"
+  "$SYSTEMD_SOURCE/phoenix-update-volumio.service"
+  "$SUDOERS_SOURCE"
+  "$PHOENIX_ROOT/scripts/restart_phoenix_services.sh"
+)
+
+for path in "${required_files[@]}"; do
+  if [ ! -f "$path" ]; then
+    echo "required Volumio integration file missing: $path" >&2
+    exit 1
+  fi
+done
+
+if ! command -v visudo >/dev/null 2>&1; then
+  echo "visudo not found; refusing to install sudo policy" >&2
+  exit 1
+fi
+visudo -cf "$SUDOERS_SOURCE"
+
+install -d -o root -g root -m 0755 "$LIBEXEC_DIR"
+install -o root -g root -m 0755 \
+  "$PHOENIX_ROOT/scripts/restart_phoenix_services.sh" \
+  "$LIBEXEC_DIR/restart_phoenix_services.sh"
+install -o root -g root -m 0644 \
+  "$SYSTEMD_SOURCE/analyzer-kiosk-volumio.service" \
+  /etc/systemd/system/analyzer-kiosk-volumio.service
+install -o root -g root -m 0644 \
+  "$SYSTEMD_SOURCE/analyzer-web-volumio.service" \
+  /etc/systemd/system/analyzer-web-volumio.service
+install -o root -g root -m 0644 \
+  "$SYSTEMD_SOURCE/phoenix-update-volumio.service" \
+  /etc/systemd/system/phoenix-update-volumio.service
+install -o root -g root -m 0440 \
+  "$SUDOERS_SOURCE" \
+  /etc/sudoers.d/phoenix-update-volumio
+
+systemctl daemon-reload
+systemctl enable analyzer-web-volumio.service analyzer-kiosk-volumio.service
+
+echo "Volumio integration installed"
+echo "Existing services were not restarted"