CQRS Architecture Skill Design and implement Command Query Responsibility Segregation patterns for scalable systems. MANDATORY: Documentation-First Approach Before implementing CQRS: 1. Invoke skill for CQRS patterns 2. Verify patterns via MCP servers (perplexity, context7) 3. Base guidance on established CQRS literature CQRS Fundamentals CQRS Levels Level 1: Logical Separation Level 2: Separate Read Models Level 3: Event-Sourced CQRS Command Side Design Command Structure Command Patterns Query Side Design Query Structure Read Model Optimization Synchronization Patterns Projection from Events…