{
  "$comment": "Category-specific condition scales (§117). `values` ordered best → worst. `aliases` map raw source strings (lowercased) to slugs.",
  "scales": {
    "cards": {
      "values": ["gem_mint", "mint", "near_mint", "excellent", "very_good", "good", "fair", "poor"],
      "completeness": [],
      "aliases": { "gem mint": "gem_mint", "gem mt": "gem_mint", "mint": "mint", "nm": "near_mint", "near mint": "near_mint", "nm-mt": "near_mint", "nm/m": "near_mint", "lp": "excellent", "lightly played": "excellent", "ex": "excellent", "excellent": "excellent", "mp": "very_good", "moderately played": "very_good", "vg": "very_good", "hp": "good", "heavily played": "good", "good": "good", "damaged": "poor", "poor": "poor", "dmg": "poor", "raw": null, "ungraded": null }
    },
    "video_games": {
      "values": ["sealed", "cib", "loose"],
      "completeness": ["sealed", "cib", "box_only", "manual_only", "loose"],
      "aliases": { "new": "sealed", "sealed": "sealed", "factory sealed": "sealed", "brand new": "sealed", "cib": "cib", "complete in box": "cib", "complete": "cib", "boxed": "cib", "loose": "loose", "cart only": "loose", "cartridge only": "loose", "disc only": "loose", "used": "loose", "graded": null }
    },
    "sneakers": {
      "values": ["new", "deadstock", "lightly_used", "used"],
      "completeness": ["with_box", "no_box", "replacement_box"],
      "aliases": { "new": "new", "ds": "deadstock", "deadstock": "deadstock", "brand new": "new", "vnds": "lightly_used", "lightly used": "lightly_used", "pre-owned": "used", "used": "used", "worn": "used" }
    },
    "watches": {
      "values": ["unworn", "excellent", "good", "fair", "poor", "parts"],
      "completeness": ["full_set", "box_papers", "papers_only", "box_only", "watch_only"],
      "aliases": { "new": "unworn", "unworn": "unworn", "new with tags": "unworn", "like new": "excellent", "excellent": "excellent", "very good": "excellent", "good": "good", "fair": "fair", "poor": "poor", "for parts": "parts", "parts": "parts", "incomplete": "parts", "pre-owned": null, "used": null }
    },
    "books": {
      "values": ["fine", "very_good", "good", "fair", "poor"],
      "completeness": ["dust_jacket", "no_dust_jacket", "slipcase"],
      "aliases": { "as new": "fine", "fine": "fine", "f": "fine", "near fine": "fine", "vg": "very_good", "very good": "very_good", "good": "good", "g": "good", "fair": "fair", "poor": "poor", "reading copy": "poor" }
    },
    "comics": {
      "values": ["gem_mint", "mint", "near_mint", "very_fine", "fine", "very_good", "good", "fair", "poor"],
      "completeness": [],
      "aliases": { "nm": "near_mint", "near mint": "near_mint", "vf": "very_fine", "very fine": "very_fine", "fn": "fine", "fine": "fine", "vg": "very_good", "very good": "very_good", "gd": "good", "good": "good", "fr": "fair", "fair": "fair", "pr": "poor", "poor": "poor" }
    },
    "lego": {
      "values": ["sealed", "opened_complete", "used_complete", "incomplete"],
      "completeness": ["sealed", "opened_complete", "used_complete", "incomplete", "minifigure_only", "instructions_only"],
      "aliases": { "new": "sealed", "sealed": "sealed", "misb": "sealed", "nisb": "sealed", "new in sealed box": "sealed", "complete": "opened_complete", "used complete": "used_complete", "used": "used_complete", "incomplete": "incomplete" }
    },
    "boxed_toys": {
      "values": ["mint_in_box", "near_mint_box", "boxed", "loose_complete", "loose"],
      "completeness": ["sealed", "boxed", "loose"],
      "aliases": { "mib": "mint_in_box", "misb": "mint_in_box", "moc": "mint_in_box", "nib": "mint_in_box", "new": "mint_in_box", "boxed": "boxed", "in box": "boxed", "loose": "loose", "complete": "loose_complete" }
    },
    "coins": {
      "values": ["proof", "mint_state", "about_uncirculated", "extremely_fine", "very_fine", "fine", "very_good", "good", "about_good", "poor"],
      "completeness": [],
      "aliases": { "pf": "proof", "pr": "proof", "proof": "proof", "ms": "mint_state", "unc": "mint_state", "bu": "mint_state", "au": "about_uncirculated", "xf": "extremely_fine", "ef": "extremely_fine", "vf": "very_fine", "f": "fine", "vg": "very_good", "g": "good", "ag": "about_good", "p": "poor" }
    },
    "records": {
      "values": ["mint", "near_mint", "very_good_plus", "very_good", "good_plus", "good", "fair", "poor"],
      "completeness": ["sealed", "with_sleeve", "no_sleeve"],
      "aliases": { "m": "mint", "sealed": "mint", "nm": "near_mint", "vg+": "very_good_plus", "vg": "very_good", "g+": "good_plus", "g": "good", "f": "fair", "p": "poor" }
    },
    "luxury": {
      "values": ["new", "pristine", "excellent", "very_good", "good", "fair"],
      "completeness": ["full_set", "dust_bag", "box", "receipt", "item_only"],
      "aliases": { "new": "new", "new with tags": "new", "pristine": "pristine", "excellent": "excellent", "very good": "very_good", "good": "good", "fair": "fair" }
    },
    "art": { "values": ["excellent", "very_good", "good", "fair", "restored"], "completeness": ["framed", "unframed", "coa"], "aliases": {} },
    "paper": { "values": ["mint", "near_mint", "very_fine", "fine", "very_good", "good", "fair", "poor"], "completeness": ["rolled", "folded", "linen_backed"], "aliases": {} },
    "electronics": { "values": ["sealed", "mint", "excellent", "good", "fair", "for_parts"], "completeness": ["sealed", "boxed", "unit_only"], "aliases": { "sealed": "sealed", "new": "sealed", "mint": "mint", "excellent": "excellent", "good": "good", "fair": "fair", "for parts": "for_parts", "not working": "for_parts" } },
    "bottles": { "values": ["pristine", "excellent", "good", "fair"], "completeness": ["owc", "oc", "sealed", "opened"], "aliases": {} },
    "vehicles": { "values": ["concours", "excellent", "good", "fair", "project"], "completeness": [], "aliases": {} },
    "machines": { "values": ["restored", "working_original", "working", "non_working", "project"], "completeness": [], "aliases": {} },
    "stamps": { "values": ["superb", "extremely_fine", "very_fine", "fine", "average", "poor"], "completeness": ["mnh", "mh", "used"], "aliases": {} },
    "general": { "values": ["excellent", "very_good", "good", "fair", "poor"], "completeness": [], "aliases": { "excellent": "excellent", "very good": "very_good", "good": "good", "fair": "fair", "poor": "poor" } },
    "digital": { "values": [], "completeness": [], "aliases": {} }
  }
}