Support up to 3 strategy slots on one host with auto ports.

Co-authored-by: Cursor <cursoragent@cursor.com>

deploy/lib/uninstall.sh

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# deploy/lib/uninstall.sh — 一键卸载（仅本项目 PM2，删除 /opt 安装目录）
+# deploy/lib/uninstall.sh — 一键卸载指定槽位（仅该槽位 PM2 + 目录）
 set -e
 set -u
 if [ -n "${BASH_VERSION:-}" ]; then
@@ -13,6 +13,8 @@ source "${LIB_DIR}/common.sh"
 main_uninstall() {
   require_root
 
+  resolve_slot "${INSTANCE_SLOT:-1}"
+
   local root=""
   if ! root="$(resolve_repo_root)"; then
     if [[ -d "${INSTALL_ROOT}" ]]; then
@@ -22,13 +24,15 @@ main_uninstall() {
     fi
   fi
   REPO_ROOT="${root}"
+  INSTALL_ROOT="${root}"
+  apply_slot_for_root "${root}"
 
   echo ""
-  echo "将卸载 比特骆驼自动化对冲系统 (eth_hedge_sim):"
+  echo "将卸载 比特骆驼自动化对冲系统 槽位 ${INSTANCE_SLOT}:"
   echo "  - 停止并删除 PM2 进程: ${PM2_APP_NAME}"
   echo "  - 删除安装目录: ${INSTALL_ROOT}"
   echo "  - 备份 .env / 数据库到 ${BACKUP_ROOT}"
-  echo "  - 不影响其它 PM2 应用 / 不卸载系统 Python、Node、PM2"
+  echo "  - 不影响其它槽位 / 其它 PM2 / 系统 Python、Node、PM2"
   echo ""
   if ! confirm_yes "确认卸载并删除 ${INSTALL_ROOT}?"; then
     log "已取消卸载"
@@ -37,7 +41,7 @@ main_uninstall() {
 
   local stamp backup_dir
   stamp="$(TZ="${TZ_NAME}" date +%Y%m%d-%H%M%S)"
-  backup_dir="${BACKUP_ROOT}/pre-uninstall-${stamp}"
+  backup_dir="${BACKUP_ROOT}/pre-uninstall-slot${INSTANCE_SLOT}-${stamp}"
   mkdir -p "${backup_dir}"
 
   step "备份配置与数据"
@@ -49,7 +53,9 @@ main_uninstall() {
   fi
   {
     echo "created_at=${stamp}"
+    echo "instance_slot=${INSTANCE_SLOT}"
     echo "install_root=${INSTALL_ROOT}"
+    echo "api_port=${API_PORT}"
     echo "pm2_app=${PM2_APP_NAME}"
     echo "action=rm_rf_install_root"
   } >"${backup_dir}/uninstall.manifest"
@@ -60,28 +66,23 @@ main_uninstall() {
 
   step "删除安装目录 ${INSTALL_ROOT}"
   if [[ -d "${INSTALL_ROOT}" ]]; then
-    # 安全：只允许删除约定安装路径（默认 /opt/eth_hedge_sim）
-    case "${INSTALL_ROOT}" in
-      /opt/eth_hedge_sim|/opt/eth_hedge_sim/)
-        rm -rf "${INSTALL_ROOT}"
-        log "已删除: ${INSTALL_ROOT}"
-        ;;
-      *)
-        if [[ "${ALLOW_UNSAFE_UNINSTALL:-}" == "1" ]]; then
-          rm -rf "${INSTALL_ROOT}"
-          log "已删除(ALLOW_UNSAFE_UNINSTALL=1): ${INSTALL_ROOT}"
-        else
-          die "拒绝删除非默认路径 ${INSTALL_ROOT}；若确认，设置 ALLOW_UNSAFE_UNINSTALL=1"
-        fi
-        ;;
-    esac
+    if is_allowed_install_root "${INSTALL_ROOT}"; then
+      rm -rf "${INSTALL_ROOT}"
+      log "已删除: ${INSTALL_ROOT}"
+    elif [[ "${ALLOW_UNSAFE_UNINSTALL:-}" == "1" ]]; then
+      rm -rf "${INSTALL_ROOT}"
+      log "已删除(ALLOW_UNSAFE_UNINSTALL=1): ${INSTALL_ROOT}"
+    else
+      die "拒绝删除非约定路径 ${INSTALL_ROOT}；允许: /opt/eth_hedge_sim[_2|_3]；或 ALLOW_UNSAFE_UNINSTALL=1"
+    fi
   else
     log "安装目录不存在,跳过删除"
   fi
 
-  # 清理历史「移走未删」残留
-  local leftover
-  for leftover in /opt/eth_hedge_sim.removed.* /opt/eth_hedge_sim.old.*; do
+  # 清理历史「移走未删」残留（仅当前槽位前缀）
+  local leftover base
+  base="${INSTALL_ROOT}"
+  for leftover in "${base}.removed."* "${base}.old."*; do
     if [[ -e "${leftover}" ]]; then
       rm -rf "${leftover}"
       log "已清理残留: ${leftover}"
@@ -90,11 +91,13 @@ main_uninstall() {
 
   echo ""
   echo "卸载完成."
+  echo "  槽位: ${INSTANCE_SLOT}"
   echo "  配置/数据备份: ${backup_dir}"
   echo "  安装目录已删除: ${INSTALL_ROOT}"
   echo ""
-  echo "重新部署:"
-  echo "  curl -fsSL https://git.bz121.com/dekun/eth_hedge_sim/raw/branch/main/deploy/manage.sh | bash"
+  echo "重新部署该槽位:"
+  echo "  bash /opt/eth_hedge_sim/deploy/manage.sh   # 选 1 → 槽位 ${INSTANCE_SLOT}"
+  echo "  或: INSTANCE_SLOT=${INSTANCE_SLOT} SKIP_SLOT_PROMPT=1 bash …/deploy/lib/install.sh"
 }
 
 main_uninstall "$@"