usecrate::application::{dtos::{requests::SettingsRequest,responses::SettingsResponse},errors::ApplicationError,};/// Inbound application port for settings-related use-cases.
/// Single execute method taking a Request DTO and returning a Response DTO.
pubtraitSettingsPort: Send + Sync {fnexecute(&self, req: SettingsRequest)->Result<SettingsResponse, ApplicationError>;}