[
  {
    "id": "long_hair",
    "aliases": ["lengthy hair"],
    "tags": ["long hair"],
    "category": "hair"
  },
  {
    "id": "twin_braids",
    "aliases": ["twintail braids", "double braids"],
    "tags": ["twin braids"],
    "category": "hair",
    "expand": ["long_hair"],
    "notes": "Composite hairstyle: resolving 'twin braids' also adds 'long hair' via expansion."
  }
]