ACME-5019: Task for Notification Service reliability improvement 19
Date: 2025-11-07 Type: Task Priority: P3 Service: Notification Service Owner: Engagement Platform GitHub References: GH-5019, GH-5020 API References: API-NOTIFICATION-01, API-NOTIFICATION-02, API-NOTIFICATION-03, API-NOTIFICATION-04
Business Context
Acme Commerce depends on the Notification Service to protect customer trust during high-volume shopping periods. This ticket captures engineering work needed after operational reviews found risk from missing idempotency key handling in a replay worker.
Scope
- Review service contract behavior against API-NOTIFICATION-04.
- Update dashboards and alerts owned by Engagement Platform.
- Coordinate rollout with the teams that operate Authentication Service, Checkout Service, Billing Service, Inventory Service, and Notification Service.
- Link implementation work to GitHub items GH-5019, GH-5020.
Definition of Done
- Tests cover nominal, timeout, replay, and malformed payload scenarios.
- Runbook steps are updated and validated in staging.
- Incident review owners can cite this ticket as remediation evidence.