fix: wait for admin startup readiness

scripts/remote_restart.sh

@@ -34,6 +34,19 @@ export ADM_WEB_HOST="${WEB_HOST}"
 export ADM_PORT="${PORT}"
 export VITE_BASE_PATH="${BASE_PATH%/}"
 
+wait_for_http() {
+  local url="$1"
+  local attempts="${2:-30}"
+  local attempt
+  for ((attempt = 1; attempt <= attempts; attempt += 1)); do
+    if curl -sf --max-time 2 "${url}" >/dev/null; then
+      return 0
+    fi
+    sleep 1
+  done
+  return 1
+}
+
 if [[ ! -d dist ]]; then
   echo "❌ ${ROOT}/dist 不存在，请先构建或 rsync dist" >&2
   exit 1
@@ -61,9 +74,8 @@ sleep 1
 echo "==> 启动 Admin API @ ${API_HOST}:${API_PORT}..."
 nohup node server/index.mjs >>"${API_LOG}" 2>&1 &
 echo $! >"${API_PID_FILE}"
-sleep 2
 
-if ! curl -sf "http://127.0.0.1:${API_PORT}/health" >/dev/null; then
+if ! wait_for_http "http://127.0.0.1:${API_PORT}/health" 30; then
   echo "❌ Admin API 启动失败，最近日志：" >&2
   tail -n 40 "${API_LOG}" >&2 || true
   exit 1
@@ -72,11 +84,10 @@ fi
 echo "==> 启动 vite preview @ ${WEB_HOST}:${PORT} (base=${BASE_PATH})..."
 nohup npx vite preview --config scripts/vite-preview.config.mjs >>"${LOG}" 2>&1 &
 echo $! >"${PID_FILE}"
-sleep 2
 
 preview_url="http://127.0.0.1:${PORT}${BASE_PATH}"
 login_probe="http://127.0.0.1:${PORT}/auth/status"
-if curl -sf "${preview_url}" >/dev/null && curl -sf "${login_probe}" >/dev/null; then
+if wait_for_http "${preview_url}" 30 && wait_for_http "${login_probe}" 15; then
   echo "✅ memind_adm 已就绪: ${preview_url}"
   curl -sf "${preview_url}" >/dev/null && echo "   首页 OK"
   echo "   /auth 反代 OK"