//! # brokers/error.rs — Broker Error Types
//!
//! Defines the error type for all broker task operations in BEDS.
//!
//! ## Calling Agents
//! - `brokers::r_broker` — returned from spawn and consume operations
//! - `brokers::mod` — surfaced from pool management
//!
//! **Author:** mks
//! **Version:** 1.0
//!
//! ## History
//! * `2026-04-05` - mks - original coding

/// Errors that can occur in any BEDS broker task.
///
/// AMQP protocol errors are wrapped transparently via the `From` impl.
/// Additional variants cover broker-specific failure modes.
///
/// # History
///
/// * `2026-04-05` - mks - original coding
#[derive(Debug, thiserror::Error)]
pub enum BrokerError {
    #[error("AMQP protocol error: {0}")]
    Protocol(#[from] lapin::Error),

    #[error("Broker task '{0}' failed to start: {1}")]
    StartupFailed(String, String),

    #[error("Message decode error in broker '{0}': {1}")]
    DecodeFailed(String, String),
}