{
  "unit": "mm",
  "sourceDocument": "Authored editorial fixture PD-01 revision A",
  "approvedAt": "2026-10-20",
  "baseDimensions": {
    "length": 180,
    "grip_diameter": 42
  },
  "optionAdjustments": {
    "head": {
      "narrow": {
        "length": -10
      },
      "wide": {
        "length": 15
      }
    },
    "power": {
      "usb_c": {},
      "battery": {
        "grip_diameter": 4
      }
    }
  },
  "bom": {
    "head": {
      "narrow": [
        {
          "partNo": "H-N",
          "description": "Fixture narrow head",
          "quantity": 1
        }
      ],
      "wide": [
        {
          "partNo": "H-W",
          "description": "Fixture wide head",
          "quantity": 1
        }
      ]
    },
    "power": {
      "usb_c": [
        {
          "partNo": "P-USB",
          "description": "Fixture USB-C module",
          "quantity": 1
        }
      ],
      "battery": [
        {
          "partNo": "P-BAT",
          "description": "Fixture battery module",
          "quantity": 1
        }
      ]
    }
  }
}