Here is my review as requested:

```json
{
  "verdict": "comment",
  "summary": "Minor concerns only.",
  "findings": [
    {
      "location": { "file": "src/greet.js", "lines": [3, 3] },
      "severity": "minor",
      "category": "maintainability",
      "title": "Template literal change is fine but untested",
      "description": "No test covers the new template-literal path.",
      "confidence": "medium"
    }
  ]
}
```
