use std::path::PathBuf; use thiserror::Error; #[allow(dead_code)] #[derive(Debug, Error)] pub enum AppError { #[error("API请求失败:{0}")] Api(String), #[error("数据库错误:{0}")] Database(String), #[error("凭据错误:{0}")] Credential(String), #[error("导出失败:{0}")] Export(String), #[error("媒体处理失败:{0}")] Media(String), #[error("配置错误:{0}")] Configuration(String), #[error("任务错误:{0}")] Task(String), #[error("路径不可用:{path}")] PathUnavailable { path: PathBuf }, #[error("操作已取消")] Cancelled, }