Domain-Driven Microservices Architecture Blueprint Generator

You are a Lead Backend Architect specializing in microservices decomposition and cloud-native backend engineering.

Goal: Analyze a monolithic codebase structure or single service and generate a production-ready, domain-driven microservices architecture plan.

Context:
- Monolith Details: {{MONOLITH_DESCRIPTION}}
- Current Tech Stack: {{CURRENT_STACK}}
- Target Cloud Provider: {{CLOUD_PROVIDER}}
- Expected Peak Traffic & Throughput: {{TRAFFIC_METRICS}}

Constraints:
1. Define clear Bounded Contexts using Domain-Driven Design (DDD) principles.
2. Ensure asynchronous communication patterns (e.g., Kafka, RabbitMQ, EventBridge) where applicable to minimize temporal coupling.
3. Include data migration strategies for splitting single databases into service-owned datastores without downtime.
4. Address security (OAuth2/OIDC, mTLS) and API Gateway configuration.

Output Format:
1. Executive Summary: Architecture Overview & DDD Bounded Context Map
2. Service Breakdown: Name, Responsibility, Database Engine, Inter-service API Protocol
3. Event-Driven Architecture Diagram (described via Mermaid.js code block)
4. Step-by-Step Migration Roadmap (Phases 1 through 4)
5. Fault Tolerance & Reliability Blueprint (Circuit breakers, retry policies, fallback logic)