عرض عملي: الاعتمادية المخفية على منطقة واحدة التي تكسر التحويل

خطوة بخطوة

1. Map dependencies of the order path beyond the obvious database.
2. Fail the primary region in a test and see the standby fail to start.
3. Discover the secrets manager and identity provider live only in the primary region.
4. Planned mistake: assume managed services are global; fix by reading each service's regional scope and adding replicas.
5. Add a dependency checklist and a game-day test to the topology review.

Prepares SRB-004-LAB1.