New:

• Add partial parse functions for const variants (#693)

Fixes:

• Differentiate between client-safe and non-client-safe errors in scalar validation (#706)
• Proper type hints for IntValueNode (#691)

Refactoring:

• Ensure NamedTypeNode::$name is always a NameNode (#695)
• Visitor: simplify getVisitFn (#694)
• Replace function calls with type casts (#692)
• Fix "only booleans are allowed" errors (#659)