feat: scaffold gold_monitor web hub, API, PM2 deploy and docs

deploy/lib/install.sh

@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+# shellcheck shell=bash
+set -euo pipefail
+# shellcheck source=common.sh
+source "${LIB_DIR}/common.sh"
+need_root
+
+echo "[1/4] 安装系统依赖 / venv ..."
+bash "${REPO_ROOT}/deploy/setup_env.sh"
+
+echo "[2/4] 安装 Node / PM2 ..."
+ensure_node_pm2
+
+echo "[3/4] 启动 PM2 ..."
+cd "${REPO_ROOT}"
+pm2 delete gold_monitor >/dev/null 2>&1 || true
+pm2 start "${REPO_ROOT}/deploy/ecosystem.config.cjs"
+pm2 save
+pm2 startup systemd -u root --hp /root >/dev/null 2>&1 || true
+
+echo "[4/4] 验收 ..."
+sleep 2
+IP="$(detect_server_ip)"
+if verify_http "http://127.0.0.1:5800/health"; then
+  echo "✓ 健康检查通过"
+else
+  echo "✗ 健康检查失败，请执行: pm2 logs gold_monitor" >&2
+  exit 1
+fi
+
+echo ""
+echo "部署完成"
+echo "  地址: http://${IP}:5800"
+echo "  登录: admin / admin123 （请立即修改 .env 中 ADMIN_PASSWORD）"
+echo "  管理: bash ${REPO_ROOT}/deploy/manage.sh"
+echo ""