/**
 * Background Task Types
 *
 * Type definitions for background task execution.
 * Enables non-blocking agent invocations and pipeline steps.
 */
/**
 * Background task status.
 */
export type BackgroundTaskStatus = 'pending' | 'running' | 'completed' | 'failed' | 'cancelled';
/**
 * Type of background task.
 */
export type BackgroundTaskType = 'agent_invocation' | 'pipeline_step' | 'custom';
/**
 * Background task definition.
 */
export interface BackgroundTask {
    /** Unique task ID */
    id: string;
    /** Task type */
    type: BackgroundTaskType;
    /** Current status */
    status: BackgroundTaskStatus;
    /** Role being invoked (for agent tasks) */
    role?: string;
    /** Provider being used */
    provider?: string;
    /** Model being used */
    model?: string;
    /** Task description/prompt */
    prompt: string;
    /** When task was created */
    createdAt: Date;
    /** When task started running */
    startedAt?: Date;
    /** When task completed/failed */
    completedAt?: Date;
    /** Result if completed */
    result?: unknown;
    /** Error if failed */
    error?: Error;
    /** Progress percentage (0-100) */
    progress?: number;
    /** Progress message */
    progressMessage?: string;
    /** Associated worktree ID */
    worktreeId?: string;
    /** Parent task ID (for pipeline steps) */
    parentTaskId?: string;
    /** Abort controller for cancellation */
    abortController?: AbortController;
}
/**
 * Notification type for background task events.
 */
export type TaskNotificationType = 'started' | 'progress' | 'completed' | 'failed';
/**
 * Notification for background task events.
 */
export interface TaskNotification {
    /** ID of the task this notification is for */
    taskId: string;
    /** Type of notification */
    type: TaskNotificationType;
    /** When the event occurred */
    timestamp: Date;
    /** Human-readable message */
    message: string;
    /** Result data (for completed notifications) */
    result?: unknown;
    /** Error message (for failed notifications) */
    error?: string;
}
/**
 * Background task runner configuration.
 */
export interface BackgroundTaskConfig {
    /** Maximum concurrent background tasks (default: 5) */
    maxConcurrent: number;
    /** Default timeout for background tasks in ms (default: 300000 = 5 minutes) */
    defaultTimeout: number;
    /** Enable task notifications (default: true) */
    enableNotifications: boolean;
    /** Notification callback */
    onNotification?: (notification: TaskNotification) => void;
}
/**
 * Events emitted by the BackgroundTaskRunner.
 */
export interface BackgroundTaskEvents {
    'task:submitted': (task: BackgroundTask) => void;
    'task:started': (task: BackgroundTask) => void;
    'task:progress': (task: BackgroundTask, progress: number, message?: string) => void;
    'task:completed': (task: BackgroundTask) => void;
    'task:failed': (task: BackgroundTask, error: Error) => void;
    'task:cancelled': (task: BackgroundTask) => void;
}
/**
 * Options for submitting a background task.
 */
export interface SubmitTaskOptions {
    /** Role being invoked (for agent tasks) */
    role?: string;
    /** Provider being used */
    provider?: string;
    /** Model being used */
    model?: string;
    /** Timeout in ms (overrides default) */
    timeout?: number;
    /** Associated worktree ID */
    worktreeId?: string;
    /** Parent task ID (for pipeline steps) */
    parentTaskId?: string;
}
/**
 * Serialized background task for persistence.
 */
export interface SerializedBackgroundTask {
    id: string;
    type: BackgroundTaskType;
    status: BackgroundTaskStatus;
    role?: string;
    provider?: string;
    model?: string;
    prompt: string;
    createdAt: number;
    startedAt?: number;
    completedAt?: number;
    progress?: number;
    progressMessage?: string;
    worktreeId?: string;
    parentTaskId?: string;
}
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