chore(debug): 加 Sentry 验收端点 /health/sentry-test(PAC_SENTRY_DEBUG=1 才抛)

默认返回提示 JSON(不抛),避免公网裸 500;验收 Sentry 后端捕获用,关 flag 即停。

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