Based on the analysis above, provide your QA verdict as a JSON object only:

```json
{"score": <0-10>, "critique": "<constructive feedback>", "issues": ["<issue 1>", ...]}
```

Where:
- score: 0-10 rating
- critique: detailed constructive feedback about functionality issues
- issues: list of specific problems found (empty if none)

Output ONLY the JSON object. Do NOT call any tools.