{
  "planA": {
    "correctness": 2,
    "completeness": 4,
    "risk": 2,
    "sequencing": 2,
    "conciseness": 3
  },
  "planB": {
    "correctness": 3,
    "completeness": 3,
    "risk": 5,
    "sequencing": 5,
    "conciseness": 5
  },
  "winner": "B",
  "rationale": "Both miss the shipped default, but B fails closed, checks tools before admission, and names qwen3.7-plus as the fallback. A is more exhaustive but sequences the critical tool check too late and makes a risky alias assumption."
}
