chore(deploy): 托管环境额外验私网 IP 可达(拦 loopback-only 绑定 → 网关 502)

原验证只 curl 127.0.0.1(loopback),应用绑成 loopback 时也过,但远端网关(经 ECS 私网 IP)
够不到 → 公网 502(2026-07-18 friday 踩过)。COMPOSE_MANAGED=1 时额外 curl 私网 IP:3100/3101,
不通即失败退出,把漂移在部署当场拦下。本机代理型(非 managed)不受影响。

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

Found errors in your .gitlab-ci.yml:

  • jobs:openapi-drift config contains unknown keys: rules
You can also test your .gitlab-ci.yml in the Lint
Status Job ID Name Coverage