System Design & Architecture

Design a [system type] that handles [scale/requirements]:

Requirements:
- Functional: [list key features]
- Non-functional: [performance, security, scalability]
- Constraints: [budget, timeline, existing systems]

Provide:
1.
High-level architecture diagram
2.
Component breakdown with responsibilities
3.
Data flow and communication patterns
4.
Technology stack with justification
5.
Scalability and resilience strategies