export type TaskState = 'pending' | 'ready' | 'running' | 'completed' | 'failed' | 'cancelled';
export interface OrchestrationTask {
    alias: string;
    agent: string;
    label: string;
    state: TaskState;
    deps: string[];
    dependents: string[];
    retryCount: number;
    maxRetries: number;
    createdAt: number;
    timeoutMs?: number;
    result?: {
        summary: string;
        failedAgents?: string[];
        contract?: AgentContract;
    };
}
export declare const VALID_TRANSITIONS: Record<TaskState, TaskState[]>;
/**
 * 校验状态转换是否合法，非法转换抛 Error
 */
export declare function validateTransition(from: TaskState, to: TaskState): void;
/**
 * 生命周期事件安全适配入口（applyLifecycleEvent）的结果：
 * - applied：事件正常应用（状态已推进）；
 * - idempotent：目标状态已达成（重复终态/重复状态），零副作用；
 * - unknown-task：alias 未注册，安全 no-op（不抛错、不影响其他任务）；
 * - invalid-transition：矛盾/非法转换，状态不被篡改（安全入口不抛错，供事件适配）。
 */
export type LifecycleReason = 'applied' | 'idempotent' | 'unknown-task' | 'invalid-transition';
export interface LifecycleResult {
    ok: boolean;
    reason: LifecycleReason;
}
export interface RetryPolicy {
    maxRetries: number;
    backoff: 'exponential' | 'fixed' | 'immediate';
    backoffMs: number;
    retryableErrors: string[];
    nonRetryableErrors: string[];
    fallbackAgents?: string[];
}
export declare const DEFAULT_RETRY_POLICIES: Record<string, RetryPolicy>;
export interface AgentContract {
    keyResult: string;
    decisions: string[];
    filesChanged: string[];
    validationStatus: 'passed' | 'failed' | 'unknown';
    validationDetail?: string;
    pendingItems: string[];
    warnings: string[];
}
export interface ConcurrencyConfig {
    maxConcurrency: number;
}
export declare const DEFAULT_CONCURRENCY: ConcurrencyConfig;
export interface OrchestrationConfig {
    retryPolicies?: Record<string, RetryPolicy>;
    concurrency?: ConcurrencyConfig;
    defaultMaxRetries?: number;
}
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