{
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        "tag_overlap"
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      "reasons": [
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        "tag_overlap"
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      "outline": "https://lvlltd.com/skills/state-persistence-recovery/outline.json",
      "requires": false,
      "complements": false
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    {
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  "sources": {
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    "co_purchase": "same wallet confirmed unlocks (ledger)",
    "structural": "same_category + tag_overlap"
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  "note": "Hand-curated bundles remain under /api/shop → bundles; this graph scales beyond editorial lists."
}