SoulSync: setup Node v22 and build WebUI (#14639)

install/soulsync-install.sh

@@ -23,6 +23,7 @@ $STD apt install -y \
 msg_ok "Installed Dependencies"
 
 UV_PYTHON="3.11" setup_uv
+NODE_VERSION="22" setup_nodejs
 
 fetch_and_deploy_gh_release "soulsync" "Nezreka/SoulSync" "tarball"
 
@@ -33,6 +34,12 @@ $STD uv pip install -r requirements.txt --python /opt/soulsync/.venv/bin/python
 mkdir -p /opt/soulsync/{config,data,logs}
 msg_ok "Set up Application"
 
+msg_info "Building WebUI"
+cd /opt/soulsync/webui
+$STD npm ci
+$STD npm run build
+msg_ok "Built WebUI"
+
 msg_info "Creating Service"
 cat <<EOF >/etc/systemd/system/soulsync.service
 [Unit]