Code Review as Structured JSON

Generate structured code review feedback in JSON format:

Code to Review:
{{code}}

File Path:
{{file_path}}

Review Context:
{{context}}

Output review in this JSON structure:

```json
{
  "review": {
    "file": "path/to/file.ts",
    "reviewer": "reviewer-id",
    "timestamp": "ISO-8601",
    "overall_verdict": "approve|request_changes|comment",
    "summary": "Brief overall assessment",
    
    "comments": [
      {
        "line_start": 10,
        "line_end": 15,
        "severity": "critical|warning|suggestion|nitpick",
        "category": "security|performance|correctness|style|documentation",
        "message": "What the issue is",
        "suggestion": "How to fix it",
        "code_suggestion": "Optional: suggested code change"
      }
    ],
    
    "metrics": {
      "critical_issues": 0,
      "warnings": 2,
      "suggestions": 3,
      "nitpicks": 1
    },
    
    "checklist": {
      "tests_included": true,
      "documentation_updated": false,
      "breaking_changes": false,
      "security_reviewed": true
    }
  }
}
```

Ensure:
- Every comment has actionable suggestion
- Severity accurately reflects impact
- Line numbers are accurate
- JSON is valid and parseable