Update channel archive status when reaction indicates decision

Your incident channel reactions aren't recorded as archive decisions, leaving engineers unsure about retention. It logs the decision and posts a notice so teams can act on archive status same day.

Overview

Reaction-driven archive choices are fragile when left only in message threads; platform engineers need a reliable, auditable record. This flow captures reaction intent, writes a persistent channel archive status, and alerts the channel so teams can act on retention decisions same day.