fix(deploy): isolate installer command directory

deploy/dobotai-dingtalk/install-docker.sh

@@ -11,6 +11,7 @@ backup_dir="$home/backups"
 app_env="$config_dir/dobotai.env"
 runtime_env="$container_dir/runtime.env"
 image="${DOBOTAI_IMAGE:?root install-docker.sh must provide the local image}"
+bin_dir="${DOBOTAI_BIN_DIR:-/usr/local/sbin}"
 
 [[ ${EUID} -eq 0 ]] || { echo "请使用sudo执行安装脚本。" >&2; exit 1; }
 docker image inspect "$image" >/dev/null 2>&1 || { echo "应用镜像不存在。" >&2; exit 1; }
@@ -50,8 +51,9 @@ DOBOTAI_ENV_FILE=$app_env
 DOBOTAI_SECRET_DIR_HOST=$secret_dir
 EOF
 chmod 0600 "$runtime_env"
+install -d -m 0755 "$bin_dir"
 for command in configure start bind-admin; do
-  target="/usr/local/sbin/dobotai-dingtalk-$command"
+  target="$bin_dir/dobotai-dingtalk-$command"
   cat > "$target" <<EOF
 #!/usr/bin/env bash
 set -euo pipefail
@@ -61,13 +63,13 @@ EOF
   chmod 0750 "$target"
 done
 # configure is a Python entrypoint rather than a shell asset.
-cat > /usr/local/sbin/dobotai-dingtalk-configure <<EOF
+cat > "$bin_dir/dobotai-dingtalk-configure" <<EOF
 #!/usr/bin/env bash
 set -euo pipefail
 export DOBOTAI_HOME='$home'
-exec python3 '$container_dir/configure_env.py' --env-file '$app_env' --schema-script '$container_dir/rds-schema-init.sh' --start-script '/usr/local/sbin/dobotai-dingtalk-start'
+exec python3 '$container_dir/configure_env.py' --env-file '$app_env' --schema-script '$container_dir/rds-schema-init.sh' --start-script '$bin_dir/dobotai-dingtalk-start'
 EOF
-chmod 0750 /usr/local/sbin/dobotai-dingtalk-configure
+chmod 0750 "$bin_dir/dobotai-dingtalk-configure"
 
 echo "应用容器资产已安装；尚未连接或修改阿里云RDS。"
 echo "下一步执行：sudo dobotai-dingtalk-configure"