Prompt (rr-iter2-007): Rename the packet folder from `018-old-routing-study` to `019-routing-accuracy` and sweep the backlinks.
Expected skill: system-spec-kit

Advisor output:
[
  {
    "skill": "system-spec-kit",
    "kind": "skill",
    "confidence": 0.8284,
    "uncertainty": 0.12,
    "passes_threshold": true,
    "reason": "Matched by native advisor_recommend",
    "source": "native",
    "score": 0.602523,
    "dominant_lane": "explicit_author",
    "status": "active",
    "_shadow": {
      "skillId": "system-spec-kit",
      "liveScore": 0.602523,
      "shadowScore": 0.531894,
      "delta": -0.070629,
      "dominantShadowLane": "explicit_author"
    }
  },
  {
    "skill": "deep-review",
    "kind": "skill",
    "confidence": 0.82,
    "uncertainty": 0.3,
    "passes_threshold": true,
    "reason": "Matched by native advisor_recommend",
    "source": "native",
    "score": 0.054545,
    "dominant_lane": "lexical",
    "status": "active",
    "_shadow": {
      "skillId": "deep-review",
      "liveScore": 0.054545,
      "shadowScore": 0.052121,
      "delta": -0.002424,
      "dominantShadowLane": "lexical"
    }
  }
]
