# Step 4: Architectural Patterns

## Rules

- 🌐 Search the web to verify claims.
- 📝 Write findings to the document immediately.
- ✅ Speak in `{communication_language}`; write artifacts in `{document_output_language}`.

## Task

Analyze architectural patterns for {{research_topic}}.

## Execution

Search for:

- "{{research_topic}} system architecture"
- "{{research_topic}} architectural patterns"
- "{{research_topic}} scalability patterns"

Synthesize and append:

```markdown
## Architectural Patterns

### Common Architectural Styles
...

### Scalability Patterns
...

### Security Patterns
...

### Source Citations
...
```

Update `stepsCompleted: [1, 2, 3, 4]` and load `./technical-steps/step-05-implementation-research.md`.