- reject new lane enqueues once gateway drain begins
- always reset lane draining state and isolate onWait callback failures
- persist per-session abort cutoff and skip stale queued messages
- avoid false 600s agentTurn timeout in isolated cron jobs
Fixes#27407Fixes#27332Fixes#27427
Co-authored-by: Kevin Shenghui <shenghuikevin@github.com>
Co-authored-by: zjmy <zhangjunmengyang@gmail.com>
Co-authored-by: suko <miha.sukic@gmail.com>