Error thrown when an async operation exceeds its allowed time limit.

Contains a code field for programmatic error handling (e.g., 'TOOL_TIMEOUT', 'APPROVAL_TIMEOUT', 'MCP_TIMEOUT'). Used by withTimeout and checked by AgentRuntime to emit appropriate error events.

class TimeoutError extends Error {
    readonly code: string;
    constructor(message: string, code:  = 'TIMEOUT')
}

• Extends: Error