Module crafting 

Crafting recipe types (shaped and shapeless).

Structs

CraftingInput

Represents the current state of a crafting grid.

PositionedCraftingInput

A crafting input with position information.

RecipeResult

The result of a crafting recipe.

ShapedRecipe

A shaped crafting recipe with a specific pattern.

ShapelessRecipe

A shapeless crafting recipe where ingredient order doesn’t matter.

Enums

CraftingCategory

Category for crafting recipes (used by recipe book).

CraftingRecipe

Unified crafting recipe enum (replaces trait-based approach).