Prompt

Document complex system architecture.

<system_overview>
- System name: {name}
- Purpose: {business function}
- Scale: {users, requests/sec}
- Tech stack: {key technologies}
</system_overview>

<components>
{list all major components}
</components>

<integrations>
{external systems and APIs}
</integrations>

<non_functional_requirements>
{performance, security, reliability}
</non_functional_requirements>

Document:
1. Architecture overview
   - System context diagram
   - Component diagram
   - Deployment diagram
   - Data flow diagrams
   
2. Component details
   - Responsibilities
   - Interfaces
   - Dependencies
   - Technology choices
   - Scaling approach
   
3. Design decisions
   - Architectural patterns
   - Trade-off analysis
   - Alternative considered
   - Future considerations
   
4. Operational aspects
   - Deployment process
   - Monitoring points
   - Failure scenarios
   - Recovery procedures

Use C4 model or similar notation.