fix: include sharp in admin runtime

scripts/release-prod.sh

@@ -85,6 +85,7 @@ need_cmd scp
 need_cmd rsync
 need_cmd tar
 need_cmd shasum
+need_cmd node
 
 if [[ -x "${ROOT}/scripts/check-release-ready.sh" ]]; then
   bash "${ROOT}/scripts/check-release-ready.sh"
@@ -110,6 +111,12 @@ if [[ "${SKIP_BUILD}" -ne 1 ]]; then
   )
 fi
 
+say "验证共享模块图像运行依赖"
+(
+  cd "${ROOT}"
+  node --input-type=module -e "const { default: sharp } = await import('sharp'); await sharp({ create: { width: 1, height: 1, channels: 4, background: '#000000' } }).png().toBuffer();"
+)
+
 [[ -d "${ROOT}/dist" ]] || {
   echo "缺少 dist/，请先本地构建或去掉 --skip-build" >&2
   exit 1