MaterialClass
A material-class vocabulary row + its durability baselines.
| Field | Type | Required | Description |
|---|---|---|---|
| hardness | uint32 | required | Object toughness = 10 + hardness + material bonus. |
| id | string | required | |
| integrity_per_lb | double | required | Object hp = weight_lb × this × material factor. |
| name | string | required | |
| note | string | required | Free prose gloss on the class. |