use thiserror::Error;
pub type Result<T> = std::result::Result<T, Error>;
#[derive(Debug, Error)]
pub enum Error {
#[error("llm error: {0}")]
Llm(String),
#[error("tool `{name}` not found")]
ToolNotFound { name: String },
#[error("tool `{name}` failed: {message}")]
ToolFailed { name: String, message: String },
#[error("invalid tool arguments for `{name}`: {message}")]
InvalidToolArgs { name: String, message: String },
#[error("conversation interrupted")]
Interrupted,
#[error("iteration budget exhausted")]
BudgetExhausted,
#[error(transparent)]
Json(#[from] serde_json::Error),
#[error(transparent)]
Io(#[from] std::io::Error),
#[error("{0}")]
Other(#[from] anyhow::Error),
}