fix(deploy): register nx/nexus-fresh in PATH for root

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

deploy/install-nexus-fresh.sh

@@ -71,7 +71,7 @@ Nexus 6.0 全新安装（1Panel + Docker）
   -h, --help          显示帮助
 
 安装后请用浏览器打开: https://域名/app/install.html
-日常运维: nx  或  bash ${NEXUS_ROOT}/deploy/nx god
+root 下全局命令: nexus-fresh  |  nx  |  nx god
 EOF
 }
 
@@ -121,13 +121,27 @@ load_credentials() {
     fi
 }
 
+install_root_commands() {
+    [[ -d "${NEXUS_ROOT}/deploy" ]] || return 0
+    chmod +x "${NEXUS_ROOT}/deploy/nx" \
+        "${NEXUS_ROOT}/deploy/install-nexus-fresh.sh" \
+        "${NEXUS_ROOT}/deploy/nexus-1panel.sh" 2>/dev/null || true
+    ln -sf "${NEXUS_ROOT}/deploy/nx" /usr/local/bin/nx
+    ln -sf "${NEXUS_ROOT}/deploy/install-nexus-fresh.sh" /usr/local/bin/nexus-fresh
+    info "已注册全局命令（root 直接输入即可）:"
+    info "  nx              — 主菜单 / 上帝菜单"
+    info "  nexus-fresh     — 全新安装脚本"
+}
+
 phase_preflight() {
     step "阶段 1/6 — 环境检查"
     if [[ "$(id -u)" -ne 0 ]]; then
-        error "请使用 root 运行: sudo bash $0"
+        error "请切换到 root 再执行（不要用 sudo 包一层）:"
+        error "  su -"
+        error "  bash $0 ..."
         exit 1
     fi
-    info "运行用户: root"
+    info "运行用户: root（无需 sudo）"
 
     if [[ ! -f /etc/os-release ]]; then
         error "无法识别操作系统"
@@ -255,8 +269,7 @@ phase_install_stack() {
 
 phase_post() {
     step "阶段 6/6 — 收尾"
-    ln -sf "${NEXUS_ROOT}/deploy/nx" /usr/local/bin/nx 2>/dev/null || true
-    chmod +x "${NEXUS_ROOT}/deploy/nx" 2>/dev/null || true
+    install_root_commands
 
     local port health
     port="8600"
@@ -284,6 +297,9 @@ phase_post() {
 
 main() {
     banner
+    if [[ "$SKIP_CLONE" == true && -d "${NEXUS_ROOT}/deploy" ]]; then
+        install_root_commands
+    fi
     phase_preflight
     phase_1panel
     phase_packages