Slack Thread: Checkout Service Follow-up 35

Date: 2026-06-11 Channel: #platform-architecture Service: Checkout Service Incident Reference: INC-2025-205 Jira Reference: ACME-2015 GitHub Reference: GH-2019

Maya Chen: We are reviewing INC-2025-205 for Checkout Service. The main concern is whether the remediation in ACME-2015 also covers downstream impact to Checkout Service and Billing Service.

Devon Patel: I checked traces for Authentication Service, Inventory Service, and Notification Service. The correlation IDs line up with the incident timeline, but the highest error rate stays inside Checkout Service.

Priya Shah: Please make sure GitHub item GH-2019 includes contract tests for API API-CHECKOUT-04 and an update to the runbook.

Noah Garcia: Agreed. I will add release readiness notes, dashboard screenshots, and a rollback checkpoint before this goes to canary.

Elena Rossi: Decision: keep ACME-2015 open until staging replay passes and the incident review confirms no unsupported customer-impact claims.