custom-crafter-api

⚠️ Breaking Changes

• CMatter.isValidMatter(), CRecipe.isValidRecipe(), CraftUIDesigner.Baked.isValid(), and AllCandidateUIDesigner.Baked.isValid() no longer return Result<Unit>; they now throw IllegalStateException directly on failure and return nothing on success.
• CMatter.firstFailedPredicate() and CRecipe.firstFailedRecipePredicate() now return kotlin.Pair<Int, CMatterPredicate> / kotlin.Pair<Int, CRecipePredicate> instead of IndexedValue.
• AllCandidateUIDesigner.Baked.ungeneratedIconPlaceholderItem changed from the Kotlin function type (CRecipe) -> ItemStack to java.util.function.Function<CRecipe, ItemStack>.
• Explainer's constructor parameter order changed from (name, verbosity) to (verbosity, name), since controlling the log level without naming the instance is the more common use case.

✨ New Features and Enhancements

• [Enhancement] Improved Java interoperability across the public API by replacing Kotlin-only return types (Result, IndexedValue) and lambda parameter types with plain exceptions and java.util.function.Function.