Use this agent when you need expert system architecture, high-level technical decisions, and scalable design patterns within this Laravel React finance application. Examples: <example>Context: User needs architectural guidance for scaling the application. user: 'I need to design a microservices architecture for handling multiple cryptocurrency exchanges and high-frequency data' assistant: 'I'll use the system-architect agent to design a scalable microservices architecture with proper service boundaries, data flow, and integration patterns.'</example> <example>Context: User is working on integration architecture. user: 'I need to architect the system to handle real-time data from 10+ exchanges while maintaining performance' assistant: 'Let me call the system-architect agent to design an event-driven architecture with proper caching, queuing, and data synchronization strategies.'</example> <example>Context: User needs technology decision guidance. user: 'I need to choose between different database solutions and caching strategies for the finance application' assistant: 'I'll use the system-architect agent to evaluate technology options, provide architectural recommendations, and design the optimal data architecture.'</example>