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

deploy/lib/uninstall.sh

@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+# shellcheck shell=bash
+set -euo pipefail
+# shellcheck source=common.sh
+source "${LIB_DIR}/common.sh"
+need_root
+
+TS="$(date +%Y%m%d_%H%M%S)"
+BACKUP="/opt/gold_monitor_backup_${TS}"
+mkdir -p "${BACKUP}"
+[[ -f "${REPO_ROOT}/.env" ]] && cp "${REPO_ROOT}/.env" "${BACKUP}/"
+[[ -d "${REPO_ROOT}/data" ]] && cp -a "${REPO_ROOT}/data" "${BACKUP}/" || true
+
+pm2 delete gold_monitor >/dev/null 2>&1 || true
+pm2 save >/dev/null 2>&1 || true
+
+echo "已备份到 ${BACKUP}"
+read -r -p "是否删除目录 ${REPO_ROOT}? [y/N] " ans
+if [[ "${ans}" == "y" || "${ans}" == "Y" ]]; then
+  rm -rf "${REPO_ROOT}"
+  echo "已删除 ${REPO_ROOT}"
+else
+  echo "保留目录，仅停止 PM2 进程"
+fi