Hello
@Serializable
HelloWorld 响应 HelloWorld 接口的响应，直接包含所有字段（无 data 包装） 根据文档，响应格式为： { "success": true, "message": "helloworld", "verify": "request_normal", "appId": "vap_xxx", "requestId": "uuid" }
Hello
data class HelloWorldResponse(val success: Boolean, val message: String, val verify: String, val appId: String, val requestId: String)