# Skill: Code Review

## Description
Performs a focused code review on a pull request or diff, checking for security, performance, architecture, testing, and style issues.

## Input
- **diff**: The code diff to review (required)
- **context**: Additional context about the changes (optional)
- **focus_areas**: Specific areas to focus on (optional)

## Checklist
1. **Security**: SQL injection, XSS, auth bypass, secrets exposure
2. **Performance**: N+1 queries, memory leaks, blocking operations
3. **Architecture**: SOLID violations, coupling, abstraction leaks
4. **Testing**: Coverage gaps, edge cases, mocking issues
5. **Style**: Naming conventions, formatting, documentation

## Output Format
```json
{
  "severity": "pass|warn|fail",
  "issues": [
    {
      "line": 42,
      "file": "path/to/file.js",
      "type": "security|performance|architecture|testing|style",
      "severity": "critical|major|minor",
      "description": "Issue description",
      "suggestion": "How to fix"
    }
  ],
  "summary": "Brief overall assessment",
  "score": 85
}
```

## Token Budget
- Max input: 4000 tokens
- Max output: 800 tokens

## Model
- Recommended: sonnet (code analysis requires reasoning)