Configuration

`KYCConfig` props

Prop	Type	Required	Description
`cnpj`	`string`	Yes	Company CNPJ (digits only). Auto-fetches data from BrasilAPI.
`onNext`	`(data: KYCPayload) => void`	No	Called when user advances to the next step.
`onBack`	`(data: KYCPayload) => void`	No	Called when user goes back to the previous step.
`onFileUploaded`	`(file: File, metadata: KYCFileMetadata) => Promise<string>`	No	Called when user selects a file. Upload it and return the public URL.
`onFileRemoved`	`(fileUrl: string, data: KYCPayload) => void`	No	Called when a file is removed.
`onSubmit`	`(data: KYCPayload) => void \| Promise<void>`	No	Called when user clicks "Submit" on the Review step.
`onError`	`(error: Error) => void`	No	Called on any error.