Update CHANGELOG.md (#13980)

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

CHANGELOG.md

@@ -445,14 +445,40 @@ Exercise vigilance regarding copycat or coat-tailing sites that seek to exploit
 
 </details>
 
+## 2026-04-24
+
+### 🚀 Updated Scripts
+
+  - Update wger.sh [@Soppster1029](https://github.com/Soppster1029) ([#13977](https://github.com/community-scripts/ProxmoxVE/pull/13977))
+
 ## 2026-04-23
 
+### 🚀 Updated Scripts
+
+  - #### 🐞 Bug Fixes
+
+    - mealie: start.sh missing after failed update [@MickLesk](https://github.com/MickLesk) ([#13958](https://github.com/community-scripts/ProxmoxVE/pull/13958))
+    - twingate-connector: perform real apt upgrade during update flow [@MickLesk](https://github.com/MickLesk) ([#13959](https://github.com/community-scripts/ProxmoxVE/pull/13959))
+
+  - #### ✨ New Features
+
+    - core: auto-size NODE_OPTIONS heap [@MickLesk](https://github.com/MickLesk) ([#13960](https://github.com/community-scripts/ProxmoxVE/pull/13960))
+
+  - #### 🔧 Refactor
+
+    - Update scripts to match standard [@tremor021](https://github.com/tremor021) ([#13956](https://github.com/community-scripts/ProxmoxVE/pull/13956))
+
 ### 💾 Core
 
   - #### 🐞 Bug Fixes
 
+    - tools.func: upgrade Node.js minor/patch on same major version [@MickLesk](https://github.com/MickLesk) ([#13957](https://github.com/community-scripts/ProxmoxVE/pull/13957))
     - core: hotfix - prefer silent mode on PHS env conflict [@MickLesk](https://github.com/MickLesk) ([#13951](https://github.com/community-scripts/ProxmoxVE/pull/13951))
 
+  - #### 🔧 Refactor
+
+    - core: improve system update information / lxc stack upgrade [@MickLesk](https://github.com/MickLesk) ([#13970](https://github.com/community-scripts/ProxmoxVE/pull/13970))
+
 ## 2026-04-22
 
 ### 🆕 New Scripts

ct/checkmate.sh

@@ -39,7 +39,7 @@ function update_script() {
     [ -f /opt/checkmate/client/.env.local ] && cp /opt/checkmate/client/.env.local /opt/checkmate_client.env.local.bak
     msg_ok "Backed up Data"
 
-    CLEAN_INSTALL=1 fetch_and_deploy_gh_release "checkmate" "bluewave-labs/Checkmate"
+    CLEAN_INSTALL=1 fetch_and_deploy_gh_release "checkmate" "bluewave-labs/Checkmate" "tarball"
 
     msg_info "Updating Checkmate Server"
     cd /opt/checkmate/server

ct/flatnotes.sh

@@ -38,7 +38,7 @@ function update_script() {
     cp -r /opt/flatnotes/data /opt/flatnotes_data_backup
     msg_ok "Backed up Configuration and Data"
 
-    fetch_and_deploy_gh_release "flatnotes" "dullage/flatnotes"
+    fetch_and_deploy_gh_release "flatnotes" "dullage/flatnotes" "tarball"
 
     msg_info "Updating Flatnotes"
     cd /opt/flatnotes/client

ct/linkding.sh

@@ -39,7 +39,7 @@ function update_script() {
     cp /opt/linkding/.env /opt/linkding_env_backup
     msg_ok "Backed up Data"
 
-    CLEAN_INSTALL=1 fetch_and_deploy_gh_release "linkding" "sissbruecker/linkding"
+    CLEAN_INSTALL=1 fetch_and_deploy_gh_release "linkding" "sissbruecker/linkding" "tarball"
 
     msg_info "Restoring Data"
     cp -r /opt/linkding_data_backup/. /opt/linkding/data

ct/mealie.sh

@@ -38,10 +38,27 @@ function update_script() {
 
     msg_info "Backing up Configuration"
     cp -f /opt/mealie/mealie.env /opt/mealie.env
+    [[ -f /opt/mealie/start.sh ]] && cp -f /opt/mealie/start.sh /opt/mealie.start.sh
     msg_ok "Backup completed"
 
     CLEAN_INSTALL=1 fetch_and_deploy_gh_release "mealie" "mealie-recipes/mealie" "tarball"
 
+    msg_info "Restoring Configuration"
+    mv -f /opt/mealie.env /opt/mealie/mealie.env
+    if [[ -f /opt/mealie.start.sh ]]; then
+      mv -f /opt/mealie.start.sh /opt/mealie/start.sh
+    else
+      cat <<'STARTEOF' >/opt/mealie/start.sh
+#!/bin/bash
+set -a
+source /opt/mealie/mealie.env
+set +a
+exec uv run mealie
+STARTEOF
+    fi
+    chmod +x /opt/mealie/start.sh
+    msg_ok "Configuration restored"
+
     msg_info "Installing Python Dependencies with uv"
     cd /opt/mealie
     $STD uv sync --frozen --extra pgsql
@@ -70,18 +87,6 @@ function update_script() {
     $STD uv run python -m nltk.downloader -d /nltk_data averaged_perceptron_tagger_eng
     msg_ok "Updated NLTK Data"
 
-    msg_info "Restoring Configuration"
-    mv -f /opt/mealie.env /opt/mealie/mealie.env
-    cat <<'STARTEOF' >/opt/mealie/start.sh
-#!/bin/bash
-set -a
-source /opt/mealie/mealie.env
-set +a
-exec uv run mealie
-STARTEOF
-    chmod +x /opt/mealie/start.sh
-    msg_ok "Configuration restored"
-
     msg_info "Starting Service"
     systemctl start mealie
     msg_ok "Started Service"

ct/nodecast-tv.sh

@@ -34,7 +34,7 @@ function update_script() {
     systemctl stop nodecast-tv
     msg_ok "Stopped Service"
 
-    fetch_and_deploy_gh_release "nodecast-tv" "technomancer702/nodecast-tv"
+    fetch_and_deploy_gh_release "nodecast-tv" "technomancer702/nodecast-tv" "tarball"
 
     msg_info "Updating Modules"
     cd /opt/nodecast-tv

ct/termix.sh

@@ -145,7 +145,7 @@ EOF
     cp -r /opt/termix/uploads /opt/termix_uploads_backup
     msg_ok "Backed up Data"
 
-    CLEAN_INSTALL=1 fetch_and_deploy_gh_release "termix" "Termix-SSH/Termix"
+    CLEAN_INSTALL=1 fetch_and_deploy_gh_release "termix" "Termix-SSH/Termix" "tarball"
 
     msg_info "Recreating Directories"
     mkdir -p /opt/termix/html \
@@ -155,6 +155,8 @@ EOF
       /opt/termix/nginx/client_body
     msg_ok "Recreated Directories"
 
+    NODE_VERSION="24" setup_nodejs
+
     msg_info "Building Frontend"
     cd /opt/termix
     export COREPACK_ENABLE_DOWNLOAD_PROMPT=0

ct/twingate-connector.sh

@@ -29,8 +29,9 @@ function update_script() {
     exit
   fi
 
-  msg_info "Updating ${APP}"
-  ensure_dependencies twingate-connector
+  msg_info "Updating Twingate Connector"
+  $STD apt update
+  $STD apt install -y --only-upgrade twingate-connector
   $STD systemctl restart twingate-connector
   msg_ok "Updated successfully!"
   exit

ct/wger.sh

@@ -53,6 +53,8 @@ function update_script() {
     set -a && source /opt/wger/.env && set +a
     export DJANGO_SETTINGS_MODULE=settings.main
     $STD uv pip install .
+    $STD npm install
+    $STD npm run build:css:sass
     $STD uv run python manage.py migrate
     $STD uv run python manage.py collectstatic --no-input
     msg_ok "Updated wger"

install/checkmate-install.sh

@@ -22,7 +22,7 @@ msg_ok "Installed Dependencies"
 
 MONGO_VERSION="8.0" setup_mongodb
 NODE_VERSION="22" setup_nodejs
-fetch_and_deploy_gh_release "checkmate" "bluewave-labs/Checkmate"
+fetch_and_deploy_gh_release "checkmate" "bluewave-labs/Checkmate" "tarball"
 
 msg_info "Configuring Checkmate"
 JWT_SECRET="$(openssl rand -hex 32)"

install/linkding-install.sh

@@ -27,7 +27,7 @@ msg_ok "Installed Dependencies"
 
 NODE_VERSION="22" setup_nodejs
 setup_uv
-fetch_and_deploy_gh_release "linkding" "sissbruecker/linkding"
+fetch_and_deploy_gh_release "linkding" "sissbruecker/linkding" "tarball"
 
 msg_info "Building Frontend"
 cd /opt/linkding

install/nodecast-tv-install.sh

@@ -13,7 +13,7 @@ setting_up_container
 network_check
 update_os
 
-fetch_and_deploy_gh_release "nodecast-tv" "technomancer702/nodecast-tv"
+fetch_and_deploy_gh_release "nodecast-tv" "technomancer702/nodecast-tv" "tarball"
 NODE_VERSION="20" setup_nodejs
 
 msg_info "Installing Dependencies"

install/romm-install.sh

@@ -120,7 +120,7 @@ fetch_and_deploy_gh_release "RAHasher" "RetroAchievements/RALibretro" "prebuild"
 cp /opt/RALibretro/RAHasher /usr/bin/RAHasher
 chmod +x /usr/bin/RAHasher
 
-fetch_and_deploy_gh_release "romm" "rommapp/romm"
+fetch_and_deploy_gh_release "romm" "rommapp/romm" "tarball"
 
 msg_info "Creating environment file"
 sed -i 's/^supervised no/supervised systemd/' /etc/redis/redis.conf

install/termix-install.sh

@@ -55,7 +55,7 @@ rm -rf /opt/guacamole-server
 msg_ok "Built Guacamole Server (guacd)"
 
 NODE_VERSION="22" setup_nodejs
-fetch_and_deploy_gh_release "termix" "Termix-SSH/Termix"
+fetch_and_deploy_gh_release "termix" "Termix-SSH/Termix" "tarball"
 
 msg_info "Building Frontend"
 cd /opt/termix

misc/build.func

@@ -2702,21 +2702,16 @@ advanced_settings() {
     # STEP 28: Verbose Mode & Confirmation
     # ═══════════════════════════════════════════════════════════════════════════
     28)
-      # PHS_VERBOSE forces verbose mode and skips the prompt
-      if [[ "$PHS_MODE" == "verbose" ]]; then
+      local verbose_default_flag="--defaultno"
+      [[ "$_verbose" == "yes" ]] && verbose_default_flag=""
+
+      if whiptail --backtitle "Proxmox VE Helper Scripts [Step $STEP/$MAX_STEP]" \
+        --title "VERBOSE MODE" \
+        $verbose_default_flag \
+        --yesno "\nEnable Verbose Mode?\n\nShows detailed output during installation." 12 58; then
         _verbose="yes"
       else
-        local verbose_default_flag="--defaultno"
-        [[ "$_verbose" == "yes" ]] && verbose_default_flag=""
-
-        if whiptail --backtitle "Proxmox VE Helper Scripts [Step $STEP/$MAX_STEP]" \
-          --title "VERBOSE MODE" \
-          $verbose_default_flag \
-          --yesno "\nEnable Verbose Mode?\n\nShows detailed output during installation." 12 58; then
-          _verbose="yes"
-        else
-          _verbose="no"
-        fi
+        _verbose="no"
       fi
       # Build summary
       local ct_type_desc="Unprivileged"
@@ -3449,7 +3444,7 @@ configure_ssh_settings() {
 # msg_menu()
 #
 # - Displays a numbered menu for update_script() functions
-# - In silent mode (PHS_MODE=silent): auto-selects the default option
+# - In silent mode (PHS_SILENT=1): auto-selects the default option
 # - In interactive mode: shows menu via read with 10s timeout + default fallback
 # - Usage: CHOICE=$(msg_menu "Title" "tag1" "Description 1" "tag2" "Desc 2" ...)
 # - The first item is always the default
@@ -3473,7 +3468,7 @@ msg_menu() {
   local count=${#tags[@]}
 
   # Silent mode: return default immediately
-  if [[ "$PHS_MODE" == "silent" ]]; then
+  if [[ -n "${PHS_SILENT+x}" ]] && [[ "${PHS_SILENT}" == "1" ]]; then
     echo "$default_tag"
     return 0
   fi
@@ -3509,34 +3504,6 @@ msg_menu() {
   return 0
 }
 
-# ------------------------------------------------------------------------------
-# resolve_phs_mode()
-#
-# - Resolves PHS_SILENT/PHS_VERBOSE env vars into a single PHS_MODE enum
-# - Values: "silent", "verbose", "interactive"
-# - If both PHS_SILENT=1 and PHS_VERBOSE=1, shows a conflict warning
-#   and defaults to "interactive"
-# - Should be called once early, before any mode-dependent logic
-# ------------------------------------------------------------------------------
-resolve_phs_mode() {
-  if [[ -n "${PHS_SILENT+x}" ]] && [[ "${PHS_SILENT}" == "1" ]] && [[ -n "${PHS_VERBOSE+x}" ]] && [[ "${PHS_VERBOSE}" == "1" ]]; then
-    # Conflict handling must never block unattended/non-TTY updates.
-    # Prefer silent mode to keep automation safe.
-    if [[ -t 0 ]] && [[ -t 1 ]] && command -v whiptail >/dev/null 2>&1; then
-      whiptail --backtitle "Proxmox VE Helper Scripts" \
-        --title "Configuration Conflict Warning" \
-        --msgbox "PHS_SILENT and PHS_VERBOSE are both set.\n\nFalling back to silent mode." 10 58 || true
-    fi
-    PHS_MODE="silent"
-  elif [[ -n "${PHS_SILENT+x}" ]] && [[ "${PHS_SILENT}" == "1" ]]; then
-    PHS_MODE="silent"
-  elif [[ -n "${PHS_VERBOSE+x}" ]] && [[ "${PHS_VERBOSE}" == "1" ]]; then
-    PHS_MODE="verbose"
-  else
-    PHS_MODE="interactive"
-  fi
-}
-
 # ------------------------------------------------------------------------------
 # start()
 #
@@ -3547,16 +3514,17 @@ resolve_phs_mode() {
 # ------------------------------------------------------------------------------
 start() {
   source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/tools.func)
-  resolve_phs_mode
   if command -v pveversion >/dev/null 2>&1; then
     install_script || return 0
     return 0
-  elif [[ "$PHS_MODE" == "silent" ]]; then
+  elif [ ! -z ${PHS_SILENT+x} ] && [[ "${PHS_SILENT}" == "1" ]]; then
     VERBOSE="no"
     set_std_mode
-  elif [[ "$PHS_MODE" == "verbose" ]]; then
-    VERBOSE="yes"
-    set_std_mode
+    ensure_profile_loaded
+    get_lxc_ip
+    update_script
+    update_motd_ip
+    cleanup_lxc
   else
     CHOICE=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "${APP} LXC Update/Setting" --menu \
       "Support/Update functions for ${APP} LXC. Choose an option:" \
@@ -3580,12 +3548,12 @@ start() {
       exit 0
       ;;
     esac
+    ensure_profile_loaded
+    get_lxc_ip
+    update_script
+    update_motd_ip
+    cleanup_lxc
   fi
-  ensure_profile_loaded
-  get_lxc_ip
-  update_script
-  update_motd_ip
-  cleanup_lxc
 }
 
 # ==============================================================================
@@ -5408,13 +5376,59 @@ create_lxc_container() {
 
   # Offer upgrade for pve-container/lxc-pve if candidate > installed; optional auto-retry pct create
   # Returns:
-  #   0 = no upgrade needed / container created after upgrade or fallback
+  #   0 = no upgrade needed / container created after upgrade or explicit fallback
   #   1 = upgraded (and if do_retry=yes and retry succeeded, creation done)
-  #   2 = user declined
+  #   2 = user chose ignore
   #   3 = upgrade attempted but failed OR retry failed
+  #   4 = user cancelled
   offer_lxc_stack_upgrade_and_maybe_retry() {
     local do_retry="${1:-no}" # yes|no
     local _pvec_i _pvec_c _lxcp_i _lxcp_c need=0
+    local _ans
+
+    has_previous_os_version_template() {
+      local os_type="${PCT_OSTYPE:-}"
+      local current_ver="${PCT_OSVERSION:-}"
+      local tpl_pattern="${TEMPLATE_PATTERN:-${TEMPLATE:-}}"
+      local -a all_versions=()
+
+      [[ -n "$os_type" && -n "$current_ver" ]] || return 1
+
+      mapfile -t _local_vers < <(
+        pveam list "$TEMPLATE_STORAGE" 2>/dev/null |
+          awk '{print $1}' |
+          sed 's|.*/||' |
+          grep -E "^${os_type}-[0-9]" |
+          { [[ -n "$tpl_pattern" ]] && grep "$tpl_pattern" || cat; } |
+          sed -E "s/^${os_type}-([0-9]+(\.[0-9]+)?).*/\1/" |
+          sort -u -V
+      )
+      all_versions+=("${_local_vers[@]}")
+
+      if command -v timeout &>/dev/null; then
+        timeout 30 pveam update >/dev/null 2>&1 || true
+      else
+        pveam update >/dev/null 2>&1 || true
+      fi
+      mapfile -t _online_vers < <(
+        pveam available -section system 2>/dev/null |
+          awk '{print $2}' |
+          grep -E "^${os_type}-[0-9]" |
+          { [[ -n "$tpl_pattern" ]] && grep "$tpl_pattern" || cat; } |
+          sed -E "s/^${os_type}-([0-9]+(\.[0-9]+)?).*/\1/" |
+          sort -u -V 2>/dev/null || true
+      )
+      all_versions+=("${_online_vers[@]}")
+
+      printf '%s\n' "${all_versions[@]}" | sort -u -V | awk -v cur="$current_ver" '
+        {
+          split($0, a, ".")
+          split(cur, b, ".")
+          if (a[1]+0 < b[1]+0) found=1
+        }
+        END { exit found ? 0 : 1 }
+      '
+    }
 
     _pvec_i="$(pkg_ver pve-container)"
     _lxcp_i="$(pkg_ver lxc-pve)"
@@ -5435,19 +5449,25 @@ create_lxc_container() {
     msg_warn "An update for the Proxmox LXC stack is available"
     echo "  pve-container: installed=${_pvec_i:-n/a}  candidate=${_pvec_c:-n/a}"
     echo "  lxc-pve     : installed=${_lxcp_i:-n/a}  candidate=${_lxcp_c:-n/a}"
+    echo "  note        : option 1 runs host apt update + apt upgrade"
     echo
 
     # Offer older OS version fallback when template version might be too new for LXC stack
     local _has_fallback_option=false
-    if [[ -n "${PCT_OSTYPE:-}" && -n "${PCT_OSVERSION:-}" ]]; then
+    if [[ "$do_retry" == "yes" ]] && has_previous_os_version_template; then
       _has_fallback_option=true
-      echo "  [1] Upgrade LXC stack now (recommended)"
+      echo "  [1] Run host upgrade now (recommended). WARNING: this runs apt upgrade and updates all Packeages on your host!"
       echo "  [2] Use an older ${PCT_OSTYPE} template instead (may not work with all scripts)"
+      echo "  [3] Ignore"
+      echo "  [4] Cancel"
+      echo
+      read -rp "Select option [1/2/3/4]: " _ans </dev/tty
+    else
+      echo "  [1] Run host upgrade now (recommended). WARNING: this runs apt upgrade and updates all Packeages on your host!"
+      echo "  [2] Ignore"
       echo "  [3] Cancel"
       echo
       read -rp "Select option [1/2/3]: " _ans </dev/tty
-    else
-      read -rp "Do you want to upgrade now? [y/N] " _ans </dev/tty
     fi
 
     if [[ "$_has_fallback_option" == true ]]; then
@@ -5456,35 +5476,48 @@ create_lxc_container() {
         _ans="y"
         ;;
       2)
-        if [[ "$do_retry" == "yes" ]]; then
-          if fallback_to_previous_os_version; then
-            return 0
-          else
-            return 3
-          fi
+        if fallback_to_previous_os_version; then
+          return 0
         else
-          msg_custom "ℹ️" "${YW}" "OS version fallback is only available during container creation."
-          return 2
+          return 3
         fi
         ;;
-      *)
+      3)
         return 2
         ;;
+      4)
+        return 4
+        ;;
+      *)
+        return 4
+        ;;
+      esac
+    else
+      case "$_ans" in
+      1)
+        _ans="y"
+        ;;
+      2)
+        return 2
+        ;;
+      *)
+        return 4
+        ;;
       esac
     fi
 
     case "${_ans,,}" in
     y | yes)
-      msg_info "Upgrading Proxmox LXC stack (pve-container, lxc-pve)"
+      msg_info "Running host upgrade for LXC stack compatibility"
       apt_update_safe
-      if $STD apt-get install -y --only-upgrade pve-container lxc-pve; then
+      if $STD apt-get upgrade -y; then
         msg_ok "LXC stack upgraded."
         # Verify pct binary still works after upgrade (partial upgrades can break Perl modules)
         if ! pct list &>/dev/null; then
           msg_error "LXC stack upgrade caused PVE tool breakage (likely Perl module incompatibility)."
           msg_custom "⚠️" "${YW}" "A partial package upgrade has left the PVE stack in an inconsistent state."
           msg_custom "🔧" "${YW}" "Please run the following on the Proxmox host, then retry:"
-          echo -e "${TAB}  apt update && apt dist-upgrade -y"
+          echo -e "${TAB}  apt update && apt upgrade -y"
           echo -e "${TAB}  reboot"
           return 3
         fi
@@ -6093,16 +6126,20 @@ create_lxc_container() {
               rc=$?
               case $rc in
               0) : ;; # success - container created, continue
-              2 | 3)
-                # Upgrade declined or failed — try older OS version as last resort
-                msg_warn "Attempting older ${PCT_OSTYPE:-} version as last resort"
-                if fallback_to_previous_os_version; then
-                  : # success
-                else
-                  msg_error "All recovery options exhausted. Please inspect: $LOGFILE"
-                  _flush_pct_log
-                  exit 231
-                fi
+              2)
+                msg_error "LXC stack upgrade ignored. Please inspect: $LOGFILE"
+                _flush_pct_log
+                exit 231
+                ;;
+              3)
+                msg_error "LXC stack upgrade failed. Please inspect: $LOGFILE"
+                _flush_pct_log
+                exit 231
+                ;;
+              4)
+                msg_error "Cancelled by user."
+                _flush_pct_log
+                exit 231
                 ;;
               esac
             else
@@ -6126,16 +6163,20 @@ create_lxc_container() {
             rc=$?
             case $rc in
             0) : ;; # success - container created, continue
-            2 | 3)
-              # Upgrade declined or failed — try older OS version as last resort
-              msg_warn "Attempting older ${PCT_OSTYPE:-} version as last resort"
-              if fallback_to_previous_os_version; then
-                : # success
-              else
-                msg_error "All recovery options exhausted. Please inspect: $LOGFILE"
-                _flush_pct_log
-                exit 231
-              fi
+            2)
+              msg_error "LXC stack upgrade ignored. Please inspect: $LOGFILE"
+              _flush_pct_log
+              exit 231
+              ;;
+            3)
+              msg_error "LXC stack upgrade failed. Please inspect: $LOGFILE"
+              _flush_pct_log
+              exit 231
+              ;;
+            4)
+              msg_error "Cancelled by user."
+              _flush_pct_log
+              exit 231
               ;;
             esac
           else

misc/core.func

@@ -940,7 +940,7 @@ is_verbose_mode() {
 #
 # - Detects if script is running in unattended/non-interactive mode
 # - Checks MODE variable first (primary method)
-# - Falls back to legacy flags (PHS_MODE, var_unattended)
+# - Falls back to legacy flags (PHS_SILENT, var_unattended)
 # - Returns 0 (true) if unattended, 1 (false) otherwise
 # - Used by prompt functions to auto-apply defaults
 #
@@ -984,7 +984,7 @@ is_unattended() {
   esac
 
   # Legacy fallbacks for compatibility
-  [[ "${PHS_MODE:-}" == "silent" ]] && return 0
+  [[ "${PHS_SILENT:-0}" == "1" ]] && return 0
   [[ "${var_unattended:-}" =~ ^(yes|true|1)$ ]] && return 0
   [[ "${UNATTENDED:-}" =~ ^(yes|true|1)$ ]] && return 0
 

misc/error_handler.func

@@ -313,6 +313,51 @@ error_handler() {
     echo -e "${TAB}-----------------------------------\n"
   fi
 
+  # Detect probable Node.js heap OOM and print actionable guidance.
+  # This avoids generic SIGABRT/SIGKILL confusion for frontend build failures.
+  local node_oom_detected="false"
+  local node_build_context="false"
+  if [[ "$command" =~ (npm|pnpm|yarn|node|vite|turbo) ]]; then
+    node_build_context="true"
+  fi
+  if [[ "$exit_code" == "243" ]]; then
+    node_oom_detected="true"
+  elif [[ -n "$active_log" && -s "$active_log" ]]; then
+    if tail -n 200 "$active_log" 2>/dev/null | grep -Eqi 'Reached heap limit|JavaScript heap out of memory|Allocation failed - JavaScript heap out of memory|FATAL ERROR: Reached heap limit'; then
+      node_oom_detected="true"
+    fi
+  fi
+
+  if [[ "$node_oom_detected" == "true" ]] || { [[ "$node_build_context" == "true" ]] && [[ "$exit_code" =~ ^(134|137)$ ]]; }; then
+    local heap_hint_mb=""
+
+    # If explicitly configured, prefer the current value for troubleshooting output.
+    if [[ -n "${NODE_OPTIONS:-}" ]] && [[ "${NODE_OPTIONS}" =~ max-old-space-size=([0-9]+) ]]; then
+      heap_hint_mb="${BASH_REMATCH[1]}"
+    elif [[ -n "${var_ram:-}" ]] && [[ "${var_ram}" =~ ^[0-9]+$ ]]; then
+      heap_hint_mb=$((var_ram * 75 / 100))
+    else
+      local mem_kb=""
+      mem_kb=$(awk '/^MemTotal:/ {print $2; exit}' /proc/meminfo 2>/dev/null || echo "")
+      if [[ "$mem_kb" =~ ^[0-9]+$ ]]; then
+        local mem_mb=$((mem_kb / 1024))
+        heap_hint_mb=$((mem_mb * 75 / 100))
+      fi
+    fi
+
+    if [[ -z "$heap_hint_mb" ]] || ((heap_hint_mb < 1024)); then
+      heap_hint_mb=1024
+    elif ((heap_hint_mb > 12288)); then
+      heap_hint_mb=12288
+    fi
+
+    if declare -f msg_warn >/dev/null 2>&1; then
+      msg_warn "Possible Node.js heap OOM. Try: export NODE_OPTIONS=\"--max-old-space-size=${heap_hint_mb}\" and rerun the build."
+    else
+      echo -e "${YW}Possible Node.js heap OOM. Try: export NODE_OPTIONS=\"--max-old-space-size=${heap_hint_mb}\" and rerun the build.${CL}"
+    fi
+  fi
+
   # Detect context: Container (INSTALL_LOG set + inside container /root) vs Host
   if [[ -n "${INSTALL_LOG:-}" && -f "${INSTALL_LOG:-}" && -d /root ]]; then
     # CONTAINER CONTEXT: Copy log and create flag file for host

misc/tools.func

@@ -6423,7 +6423,37 @@ function setup_nodejs() {
     msg_ok "Setup Node.js $NODE_VERSION"
   fi
 
-  export NODE_OPTIONS="--max-old-space-size=4096"
+  # Set a safe default heap limit for Node.js builds if not explicitly provided.
+  # Priority:
+  #   1) NODE_OPTIONS (caller/user override)
+  #   2) NODE_MAX_OLD_SPACE_SIZE (explicit MB override)
+  #   3) var_ram (LXC memory setting, MB)
+  #   4) /proc/meminfo (runtime memory detection)
+  # Auto value is clamped to 1024..12288 MB.
+  if [[ -z "${NODE_OPTIONS:-}" ]]; then
+    local node_heap_mb=""
+
+    if [[ -n "${NODE_MAX_OLD_SPACE_SIZE:-}" ]] && [[ "${NODE_MAX_OLD_SPACE_SIZE}" =~ ^[0-9]+$ ]]; then
+      node_heap_mb="${NODE_MAX_OLD_SPACE_SIZE}"
+    elif [[ -n "${var_ram:-}" ]] && [[ "${var_ram}" =~ ^[0-9]+$ ]]; then
+      node_heap_mb=$((var_ram * 75 / 100))
+    else
+      local total_mem_kb=""
+      total_mem_kb=$(awk '/^MemTotal:/ {print $2; exit}' /proc/meminfo 2>/dev/null || echo "")
+      if [[ "$total_mem_kb" =~ ^[0-9]+$ ]]; then
+        local total_mem_mb=$((total_mem_kb / 1024))
+        node_heap_mb=$((total_mem_mb * 75 / 100))
+      fi
+    fi
+
+    if [[ -z "$node_heap_mb" ]] || ((node_heap_mb < 1024)); then
+      node_heap_mb=1024
+    elif ((node_heap_mb > 12288)); then
+      node_heap_mb=12288
+    fi
+
+    export NODE_OPTIONS="--max-old-space-size=${node_heap_mb}"
+  fi
 
   # Ensure valid working directory for npm (avoids uv_cwd error)
   if [[ ! -d /opt ]]; then