Why: Hosts also extract artifact IDs from text outside the gate;
sharing one compiled pattern keeps the forms aligned.
Evidence: additive export; the gates suite still passes.
Impact: ArtifactIDPattern exported; gate internals use it too.
Blocking a user prevents them from interacting with repositories, such as opening or commenting on pull requests or issues. Learn more about blocking a user.
增量四补一笔：导出工件编号模式供宿主侧引用提取
#19 合入时发现：宿主除门禁外还需要从正文提取工件编号（backend 三处
artIDRe消费点），同一编译模式应由库共享而不是宿主自抄一份。additive 导出（ArtifactIDPattern），门禁内部也改用它；gates 套件仍全绿。主任务：Dev 仓
feature/agent-stack-n1。