#[derive(thiserror::Error, Debug)]
#[non_exhaustive]
pub enum Error {
#[error("WebSocket error: {0}")]
WebSocket(#[from] tokio_tungstenite::tungstenite::Error),
#[error("HTTP error: {0}")]
Http(#[from] reqwest::Error),
#[error("JSON error: {0}")]
Json(#[from] serde_json::Error),
#[error("Connection failed: {0}")]
Connection(String),
#[error("Authentication failed: {0}")]
Auth(String),
#[error("Handler error: {0}")]
Handler(String),
#[error("Card operation failed: {0}")]
Card(String),
}
pub type Result<T> = std::result::Result<T, Error>;