Struct PropDef 

pub struct PropDef {
    pub name: &'static str,
    pub type_annotation: &'static str,
    pub optional: bool,
}

A single prop/argument definition for a component. Maps to a key in the TypeScript Zod schema’s .shape.

Ref: packages/react-lang/src/parser/prompt.ts analyzeFields()

Fields

name: &'static str

Prop name (matches Zod schema key name, used as positional arg name)

type_annotation: &'static str

Type annotation string shown in the prompt signature. Matches what the TS resolveTypeAnnotation() would produce.

optional: bool

Whether this prop is optional (z.optional() in Zod)