[READ-ONLY] Mirror of https://github.com/openstatusHQ/openstatus. 馃珫 Status page with uptime monitoring & API monitoring as code 馃珫 openstatus.dev
bun drizzle-orm monitoring monitoring-as-code nextjs observability on-call open-source shadcn-ui status-page statuspage synthetic-monitoring tinybird turso uptime uptime-checker uptime-monitor

fix(subscriptions): claim the slack thread anchor atomically master

Two different updates of one event delivered to the same subscriber inside one postMessage round trip both saw no anchor and each posted a root. Claim the anchor with SET NX before posting the root; a loser waits briefly for the winner's root and replies in its thread.


+258 -14
3 changed files