ThreadShareCreate_InviteResultSerializer_V2

Nested serializer for invite results.

Represents the result of inviting a single user to a share,
including success/failure status and a message.

Attributes:
email: Email address that was invited
success: Whether the invitation succeeded
message: Human-readable result message

{
    "email": "[email protected]",
    "success": true,
    "message": "string"
}