merge: cron 防重入 + reparse bind 溢出修复 + 并发否定结论 → main

修的是 2026-08-29 生产的两个真实故障:
  ① plan 段被拖过 2 小时 cron 间隔后套圈,雪崩自持(源头消失也不自愈)
  ② 18 万患者 reparse 跑满 61/61 批后倒在收尾统计的 bind 变量溢出

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