ARC Region switch Expert Overview Makes the agent an expert on Amazon Application Recovery Controller (ARC) Region switch — the feature for orchestrating cross-Region workload failover and switchover. Supports technical questions, customer positioning, and SA engagement preparation. Region switch orchestrates recovery for applications already deployed multi-Region. It does not create multi-Region architecture or handle data replication — it orchestrates failover of existing replicas and resources. Guardrail — where this skill's own files live (MCP vs local install) Before reading a reference…