Design Multi-Cloud LangGraph Workflow

Design a LangGraph workflow that orchestrates multiple Claude Opus 4.1 agents across two simulated Azure regions (e.g., 'eastus', 'westus'). The workflow should include a 'Monitoring Agent' in each region, a central 'Coordination Agent', and a 'Remediation Agent'. Detail how state will be managed across these agents and how A2A communication will be initiated when an incident is detected in one region and requires collaboration from another.