feat(ldap): Active Directory 双目录支持与 Docker 构建优化

- 新增 ldap_ad.go，支持 AD 密码编码、字段映射与目录类型判断
- 重构 ldap/ldap_users/ldap_ou，兼容 OpenLDAP 与 AD 登录、导入、OU 浏览
- 前端系统设置增加目录类型选择与 AD 配置项
- Dockerfile 按 TARGETARCH 单架构编译 Agent，限制 Node 内存防 OOM
- run.sh 新增 docker fast/upgrade，README 补充 LDAP/AD 与常见问题

run.sh

@@ -754,20 +754,20 @@ cmd_docker() {
     case "$action" in
         up|upgrade|update)
             banner "========== Docker Compose 启动/升级 ($BUILD_VERSION) =========="
-            clean_all_artifacts
+            # Docker 在容器内构建，无需清理宿主机产物；每次 prune 缓存会导致下次全量编译 // Logan.Li
             if [ "$fresh_build" -eq 1 ]; then
                 info "全量重建镜像 (--no-cache)..."
-                $DOCKER_COMPOSE build --no-cache
+                $DOCKER_COMPOSE build --no-cache aiops
                 $DOCKER_COMPOSE up -d --force-recreate --remove-orphans
+            elif [ "$action" = "upgrade" ] || [ "$action" = "update" ]; then
+                info "升级应用：仅重建 aiops 容器..."
+                $DOCKER_COMPOSE build aiops
+                $DOCKER_COMPOSE up -d --force-recreate --no-deps aiops
             else
-                info "增量构建 + 强制重建容器..."
-                $DOCKER_COMPOSE up -d --build --force-recreate --remove-orphans
+                info "增量构建 + 启动容器（保留 BuildKit 缓存）..."
+                $DOCKER_COMPOSE up -d --build --remove-orphans
             fi
             echo ""
-            info "清理历史构建缓存..."
-            docker builder prune -f 2>/dev/null || true
-            docker image prune -f 2>/dev/null || true
-            echo ""
             info "等待服务就绪..."
             sleep 5
             $DOCKER_COMPOSE ps
@@ -818,12 +818,20 @@ cmd_docker() {
             echo "  $(df -h / | awk 'NR==2{print $3, "used /", $2, "total ("$5")"}')"
             success "清理完成"
             ;;
+        fast|start)
+            banner "========== Docker Compose 快速启动 (不构建镜像) =========="
+            $DOCKER_COMPOSE up -d --remove-orphans
+            sleep 3
+            $DOCKER_COMPOSE ps
+            info "访问地址: http://localhost:8080"
+            ;;
         fresh)
             cmd_docker up fresh
             ;;
         help|--help|-h)
             echo "Docker Compose 部署命令 (embed 单容器 + MySQL + Redis):"
             echo "  ./run.sh docker up                增量构建 + 启动"
+            echo "  ./run.sh docker fast              跳过构建，直接启动（低负载）"
             echo "  ./run.sh docker up v1.0.1         指定版本构建"
             echo "  ./run.sh docker up fresh          无缓存全量重建"
             echo "  ./run.sh docker push v1.0.1       构建并推送到 $DOCKERHUB_IMAGE"