diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 354ac8aa..2cf6d605 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -93,6 +93,8 @@ jobs:
     name: build-linux-x64
     runs-on: ubuntu-22.04
     env:
+      npm_config_arch: x64
+      npm_config_target_arch: x64
       VITE_SYNC_GITHUB_CLIENT_ID: ${{ secrets.VITE_SYNC_GITHUB_CLIENT_ID }}
       VITE_SYNC_GOOGLE_CLIENT_ID: ${{ secrets.VITE_SYNC_GOOGLE_CLIENT_ID }}
       VITE_SYNC_GOOGLE_CLIENT_SECRET: ${{ secrets.VITE_SYNC_GOOGLE_CLIENT_SECRET }}
@@ -159,6 +161,8 @@ jobs:
     container:
       image: debian:bullseye
     env:
+      npm_config_arch: arm64
+      npm_config_target_arch: arm64
       VITE_SYNC_GITHUB_CLIENT_ID: ${{ secrets.VITE_SYNC_GITHUB_CLIENT_ID }}
       VITE_SYNC_GOOGLE_CLIENT_ID: ${{ secrets.VITE_SYNC_GOOGLE_CLIENT_ID }}
       VITE_SYNC_GOOGLE_CLIENT_SECRET: ${{ secrets.VITE_SYNC_GOOGLE_CLIENT_SECRET }}
@@ -239,6 +243,20 @@ jobs:
       - name: List artifacts
         run: ls -la artifacts/
 
+      - name: Verify downloaded Linux amd64 deb artifact
+        run: |
+          deb_file="$(find artifacts -maxdepth 1 -type f -name '*-linux-amd64.deb' -print | sort | head -n 1)"
+          test -n "${deb_file}"
+          bash scripts/verify-linux-deb-artifact.sh amd64 "${deb_file}"
+
+      - name: Verify downloaded Linux arm64 deb artifact metadata
+        env:
+          VERIFY_LOAD: "0"
+        run: |
+          deb_file="$(find artifacts -maxdepth 1 -type f -name '*-linux-arm64.deb' -print | sort | head -n 1)"
+          test -n "${deb_file}"
+          bash scripts/verify-linux-deb-artifact.sh arm64 "${deb_file}"
+
       - name: Generate Release Body
         run: node .github/scripts/generate-release-note.js
         env:
diff --git a/scripts/ensure-node-pty-linux.sh b/scripts/ensure-node-pty-linux.sh
index 08241455..3748f2b9 100644
--- a/scripts/ensure-node-pty-linux.sh
+++ b/scripts/ensure-node-pty-linux.sh
@@ -53,22 +53,43 @@ assert_loadable_native_module() {
   ' "${file}"
 }
 
+resolve_serialport_prebuild() {
+  local root="$1"
+  local arch="$2"
+  local file
+
+  file="$(find "${root}/prebuilds/linux-${arch}" -maxdepth 1 -type f -name '@serialport+bindings-cpp*.glibc.node' -print | sort | head -n 1)"
+  if [[ -z "${file}" ]]; then
+    echo "[node-pty] serialport glibc prebuild not found for linux-${arch}" >&2
+    exit 1
+  fi
+
+  echo "${file}"
+}
+
 prepare() {
   local arch="$1"
   local root="node_modules/node-pty"
   local release_dir="${root}/build/Release"
   local prebuild_dir="${root}/prebuilds/linux-${arch}"
+  local serialport_root="node_modules/@serialport/bindings-cpp"
+  local serialport_release_dir="${serialport_root}/build/Release"
+  local serialport_prebuild
 
   echo "[node-pty] rebuilding native modules for Electron on linux-${arch}"
   log_electron_runtime_info
-  npx electron-rebuild --arch "${arch}"
+  rm -rf "${release_dir}" "${prebuild_dir}" "${serialport_release_dir}"
+  npx electron-rebuild --force --arch "${arch}" -w "node-pty,@serialport/bindings-cpp"
 
   test -f "${release_dir}/pty.node"
+  test -f "${serialport_release_dir}/bindings.node"
 
   echo "[node-pty] built Linux runtime artifacts:"
   log_file_info "${release_dir}/pty.node"
   log_optional_spawn_helper "${release_dir}/spawn-helper"
   assert_loadable_native_module "${release_dir}/pty.node"
+  log_file_info "${serialport_release_dir}/bindings.node"
+  assert_loadable_native_module "${serialport_release_dir}/bindings.node"
 
   mkdir -p "${prebuild_dir}"
   cp "${release_dir}/pty.node" "${prebuild_dir}/pty.node"
@@ -79,17 +100,26 @@ prepare() {
   echo "[node-pty] mirrored Linux runtime artifacts into ${prebuild_dir}:"
   log_file_info "${prebuild_dir}/pty.node"
   log_optional_spawn_helper "${prebuild_dir}/spawn-helper"
+
+  serialport_prebuild="$(resolve_serialport_prebuild "${serialport_root}" "${arch}")"
+  echo "[node-pty] serialport packaged prebuild candidate:"
+  log_file_info "${serialport_prebuild}"
+  assert_loadable_native_module "${serialport_prebuild}"
 }
 
 verify() {
   local arch="$1"
   local release_dir
   local prebuild_dir
+  local serialport_release_file
+  local serialport_prebuild_file
 
   log_electron_runtime_info
 
   release_dir="$(find release -type d -path "*/resources/app.asar.unpacked/node_modules/node-pty/build/Release" -print -quit)"
   prebuild_dir="$(find release -type d -path "*/resources/app.asar.unpacked/node_modules/node-pty/prebuilds/linux-${arch}" -print -quit)"
+  serialport_release_file="$(find release -type f -path "*/resources/app.asar.unpacked/node_modules/@serialport/bindings-cpp/build/Release/bindings.node" -print -quit)"
+  serialport_prebuild_file="$(find release -type f -path "*/resources/app.asar.unpacked/node_modules/@serialport/bindings-cpp/prebuilds/linux-${arch}/@serialport+bindings-cpp*.glibc.node" -print | sort | head -n 1)"
 
   if [[ -z "${release_dir}" ]]; then
     echo "[node-pty] packaged build/Release directory not found under release/" >&2
@@ -101,6 +131,16 @@ verify() {
     exit 1
   fi
 
+  if [[ -z "${serialport_release_file}" ]]; then
+    echo "[node-pty] packaged serialport build/Release binding not found under release/" >&2
+    exit 1
+  fi
+
+  if [[ -z "${serialport_prebuild_file}" ]]; then
+    echo "[node-pty] packaged serialport glibc prebuild not found for linux-${arch} under release/" >&2
+    exit 1
+  fi
+
   test -f "${release_dir}/pty.node"
   test -f "${prebuild_dir}/pty.node"
 
@@ -114,10 +154,22 @@ verify() {
   log_optional_spawn_helper "${prebuild_dir}/spawn-helper"
   assert_loadable_native_module "${prebuild_dir}/pty.node"
 
+  echo "[node-pty] packaged serialport build/Release artifact:"
+  log_file_info "${serialport_release_file}"
+  assert_loadable_native_module "${serialport_release_file}"
+
+  echo "[node-pty] packaged serialport prebuild artifact:"
+  log_file_info "${serialport_prebuild_file}"
+  assert_loadable_native_module "${serialport_prebuild_file}"
+
   echo "[node-pty] packaged artifact locations:"
   find release -path "*/resources/app.asar.unpacked/node_modules/node-pty/*" \
     \( -name 'pty.node' -o -name 'spawn-helper' \) \
     -print | sort
+
+  find release -path "*/resources/app.asar.unpacked/node_modules/@serialport/bindings-cpp/*" \
+    \( -name 'bindings.node' -o -name '@serialport+bindings-cpp*.node' \) \
+    -print | sort
 }
 
 main() {
diff --git a/scripts/verify-linux-deb-artifact.sh b/scripts/verify-linux-deb-artifact.sh
index 6d65e724..6c649c19 100755
--- a/scripts/verify-linux-deb-artifact.sh
+++ b/scripts/verify-linux-deb-artifact.sh
@@ -5,7 +5,7 @@ set -euo pipefail
 TEMP_DIR=""
 
 usage() {
-  echo "Usage: $0 <amd64|arm64>" >&2
+  echo "Usage: $0 <amd64|arm64> [deb-file]" >&2
   exit 1
 }
 
@@ -67,6 +67,11 @@ assert_loadable_native_module() {
   local electron_bin="$1"
   local native_module="$2"
 
+  if [[ "${VERIFY_LOAD:-1}" != "1" ]]; then
+    echo "[deb-verify] skipping native module load check for ${native_module} (VERIFY_LOAD=${VERIFY_LOAD:-1})"
+    return
+  fi
+
   echo "[deb-verify] loading native module with packaged Electron runtime: ${native_module}"
   ELECTRON_RUN_AS_NODE=1 "${electron_bin}" -e '
     const path = require("node:path");
@@ -75,8 +80,56 @@ assert_loadable_native_module() {
   ' "${native_module}"
 }
 
+resolve_file_from_glob() {
+  local search_dir="$1"
+  local pattern="$2"
+  find "${search_dir}" -maxdepth 1 -type f -name "${pattern}" -print | sort | head -n 1
+}
+
+resolve_single_file() {
+  local search_dir="$1"
+  local pattern="$2"
+  local file
+
+  file="$(resolve_file_from_glob "${search_dir}" "${pattern}")"
+  if [[ -z "${file}" ]]; then
+    echo "[deb-verify] no file matched ${pattern} under ${search_dir}" >&2
+    exit 1
+  fi
+
+  echo "${file}"
+}
+
+resolve_serialport_prebuild() {
+  local root="$1"
+  local arch="$2"
+  local prebuild_dir="${root}/prebuilds/linux-${arch}"
+  local file
+
+  file="$(find "${prebuild_dir}" -maxdepth 1 -type f -name '@serialport+bindings-cpp*.glibc.node' -print | sort | head -n 1)"
+  if [[ -z "${file}" ]]; then
+    echo "[deb-verify] serialport glibc prebuild not found under ${prebuild_dir}" >&2
+    exit 1
+  fi
+
+  echo "${file}"
+}
+
+verify_native_module() {
+  local label="$1"
+  local electron_bin="$2"
+  local file="$3"
+  local expected_machine="$4"
+
+  assert_exists "${file}"
+  echo "[deb-verify] verifying ${label}"
+  log_file_info "${file}"
+  assert_file_arch "${file}" "${expected_machine}"
+  assert_loadable_native_module "${electron_bin}" "${file}"
+}
+
 main() {
-  if [[ $# -ne 1 ]]; then
+  if [[ $# -lt 1 || $# -gt 2 ]]; then
     usage
   fi
 
@@ -89,6 +142,9 @@ main() {
   local main_binary
   local build_release_pty
   local prebuild_pty
+  local serialport_root
+  local build_release_serialport
+  local prebuild_serialport
 
   require_cmd dpkg-deb
   require_cmd file
@@ -107,10 +163,11 @@ main() {
       ;;
   esac
 
-  deb_file="$(find release -maxdepth 1 -type f -name "*-linux-${deb_arch}.deb" -print | sort | head -n 1)"
-  if [[ -z "${deb_file}" ]]; then
-    echo "[deb-verify] no deb artifact found for ${deb_arch} under release/" >&2
-    exit 1
+  if [[ $# -eq 2 ]]; then
+    deb_file="$2"
+    assert_exists "${deb_file}"
+  else
+    deb_file="$(resolve_single_file "release" "*-linux-${deb_arch}.deb")"
   fi
 
   echo "[deb-verify] verifying deb artifact: ${deb_file}"
@@ -131,22 +188,19 @@ main() {
   main_binary="${TEMP_DIR}/opt/Netcatty/netcatty"
   build_release_pty="${TEMP_DIR}/opt/Netcatty/resources/app.asar.unpacked/node_modules/node-pty/build/Release/pty.node"
   prebuild_pty="${TEMP_DIR}/opt/Netcatty/resources/app.asar.unpacked/node_modules/node-pty/prebuilds/linux-${prebuild_arch}/pty.node"
+  serialport_root="${TEMP_DIR}/opt/Netcatty/resources/app.asar.unpacked/node_modules/@serialport/bindings-cpp"
+  build_release_serialport="${serialport_root}/build/Release/bindings.node"
+  prebuild_serialport="$(resolve_serialport_prebuild "${serialport_root}" "${prebuild_arch}")"
 
   assert_executable "${electron_bin}"
-  assert_exists "${build_release_pty}"
-  assert_exists "${prebuild_pty}"
 
   echo "[deb-verify] verifying packaged binary architectures"
   log_file_info "${main_binary}"
-  log_file_info "${build_release_pty}"
-  log_file_info "${prebuild_pty}"
-
   assert_file_arch "${main_binary}" "${expected_machine}"
-  assert_file_arch "${build_release_pty}" "${expected_machine}"
-  assert_file_arch "${prebuild_pty}" "${expected_machine}"
-
-  assert_loadable_native_module "${electron_bin}" "${build_release_pty}"
-  assert_loadable_native_module "${electron_bin}" "${prebuild_pty}"
+  verify_native_module "node-pty build/Release" "${electron_bin}" "${build_release_pty}" "${expected_machine}"
+  verify_native_module "node-pty prebuild" "${electron_bin}" "${prebuild_pty}" "${expected_machine}"
+  verify_native_module "serialport build/Release" "${electron_bin}" "${build_release_serialport}" "${expected_machine}"
+  verify_native_module "serialport glibc prebuild" "${electron_bin}" "${prebuild_serialport}" "${expected_machine}"
 
   echo "[deb-verify] deb artifact verification passed for ${deb_file}"
 }