/**
 * Centralized configuration constants for the dispatch subsystem.
 * This is the single source of truth — all other files import from here.
 */
/** Task TTL (30 min): how long completed/failed task records live before cleanup.
 *  LIVE — read by manager.ts:758,1126 */
export declare const TASK_TTL_MS = 1800000;
/** Minimum runtime (5 s): a task must exist at least this long before it can be reaped.
 *  LIVE — read by manager.ts:898 */
export declare const MIN_RUNTIME_MS = 5000;
/** Sync timeout (10 min): max wall-clock time for synchronous executeSync prompts.
 *  LIVE — imported by manager.ts:10 */
export declare const SYNC_TIMEOUT_MS = 600000;
/** Background default stale timeout (15 min): per-task default when no explicit timeout_ms is set.
 *  More aggressive than the old global staleTimeoutMs (45 min) to prevent background tasks from
 *  holding resources too long.
 *  LIVE — imported by manager.ts:10 */
export declare const BACKGROUND_STALE_TIMEOUT_MS = 900000;
/** Minimum consecutive idle polls before marking a task as stable / complete.
 *  LIVE — referenced by completion-detector.ts:53 (doc comment) */
export declare const MIN_STABILITY_POLLS = 2;
/** Per-task reconcile watchdog interval (15 s): max event silence before a one-shot reconcile.
 *  LIVE — imported by manager.ts:10, watchdog.test.ts:4 */
export declare const WATCHDOG_INTERVAL_MS = 15000;
/** Global sweep interval (30 s): safety-net pass over all running tasks for missed events / crash recovery.
 *  LIVE — imported by manager.ts:10, watchdog.test.ts:5 */
export declare const GLOBAL_SWEEP_INTERVAL_MS = 30000;
/** Idle debounce (1.5 s): wait after a validated session.idle before confirming completion, to absorb between-step idles.
 *  LIVE — imported by manager.ts:10, watchdog.test.ts:6 */
export declare const IDLE_DEBOUNCE_MS = 1500;
/** Max consecutive SDK fetch failures before escalating a running task to error.
 *  Prevents silent death: if evaluateAndComplete cannot fetch session state,
 *  the task transitions to error instead of cycling through the watchdog forever. */
export declare const MAX_CONSECUTIVE_FETCH_FAILURES = 3;
/** Default total session.create attempts (1 initial + N-1 retries) for transient
 *  transport failures. Only THROWN errors are retried; a null return (server
 *  rejection via r.error) is never retried.
 *  LIVE — consumed by task-launcher.ts startBackgroundTask */
export declare const DEFAULT_CREATE_RETRY_ATTEMPTS = 3;
/** Default backoff (ms) between session.create retry attempts.
 *  LIVE — consumed by task-launcher.ts startBackgroundTask */
export declare const DEFAULT_CREATE_RETRY_BACKOFF_MS = 250;
/** Default prompt timeout (ms) for synchronous dispatch.
 *  LIVE — consumed by manager.ts (Task 12) */
export declare const DEFAULT_SYNC_PROMPT_TIMEOUT_MS = 600000;
/** Timeout (ms) for materializing a sub-agent result fetch — default: 10 s */
export declare const MATERIALIZE_TIMEOUT_MS = 10000;
/** Result retention (ms): how long sidecar result files are kept after task cleanup — default: 1 h */
export declare const RESULT_RETENTION_MS = 3600000;
/** Outbox sweeper initial retry delay (ms) — default: 3 s */
export declare const OUTBOX_FIRST_RETRY_MS = 3000;
/** Outbox sweeper max retry delay (ms) — default: 60 s */
export declare const OUTBOX_MAX_RETRY_MS = 60000;
/** Outbox sweeper polling interval (ms) — default: 5 s */
export declare const OUTBOX_SWEEP_INTERVAL_MS = 5000;
/** Metrics persist interval (ms) — how often to flush metrics to disk — default: 5 s */
export declare const METRICS_PERSIST_INTERVAL_MS = 5000;
/** Default max NDJSON metrics event log file size (100 KB). */
export declare const DEFAULT_METRICS_EVENT_LOG_MAX_BYTES = 102400;
/** Default budget sampling interval (30 s): how often to sample token/cost from sessions. */
export declare const DEFAULT_BUDGET_SAMPLE_INTERVAL_MS = 30000;
/** Default TTL for progress events (5 min): how long events live before cleanup.
 *  LIVE — consumed by ProgressStore.cleanupExpired */
export declare const DEFAULT_PROGRESS_TTL_MS = 300000;
/** Max progress events retained per task — default: 1 000.
 *  LIVE — consumed by ProgressStore.addProgressEvent */
export declare const MAX_PROGRESS_EVENTS_PER_TASK = 1000;
/** Default TTL for checkpoint data (24 h): how long checkpoints live before cleanup.
 *  LIVE — consumed by CheckpointStore.cleanupExpired */
export declare const DEFAULT_CHECKPOINT_TTL_MS = 86400000;
/**
 * Configurable limits and intervals for the dispatch manager.
 *
 * New fields are marked optional (`?:`) to preserve backward compatibility
 * with existing call sites that construct partial configs.
 */
export interface DispatchManagerConfig {
    /** Maximum cumulative input tokens across all dispatched sessions in a request (undefined = unlimited). */
    maxInputTokensPerRequest?: number;
    /** Maximum cumulative output tokens across all dispatched sessions in a request (undefined = unlimited). */
    maxOutputTokensPerRequest?: number;
    /** Maximum cumulative cost (USD) across all dispatched sessions in a request (undefined = unlimited). */
    maxCostPerRequest?: number;
    /** Maximum input tokens for a single dispatched session (undefined = unlimited). */
    maxInputTokensPerSession?: number;
    /** Maximum cost for a single dispatched session (undefined = unlimited). */
    maxCostPerSession?: number;
    /** How often (ms) to sample token/cost from sessions (default: 30000). */
    budgetSampleIntervalMs?: number;
    /** Time-to-live (ms) for completed task records before cleanup — default: 30 minutes */
    taskTtlMs: number;
    /** Minimum wall-clock time (ms) before a task can be reaped — default: 5000 */
    minRuntimeMs: number;
    /** Per-task default stale timeout (ms) for background tasks — default: 900000 (15 min) */
    backgroundStaleTimeoutMs?: number;
    /** Watchdog reconcile interval (ms) — default: 15000 (15 s) */
    watchdogIntervalMs?: number;
    /** Global sweep interval (ms) — default: 30000 (30 s) */
    globalSweepIntervalMs?: number;
    /** Idle debounce delay (ms) — default: 1500 (1.5 s) */
    idleDebounceMs?: number;
    /** @deprecated Use syncPromptTimeoutMs instead.
     *  Timeout (ms) for synchronous executeSync prompts — default: 600000 (10 min). */
    syncTimeoutMs?: number;
    /** Timeout (ms) for the sub-agent prompt to complete in sync mode — default: 600000 (10 min) */
    syncPromptTimeoutMs?: number;
    /** Total session.create attempts for transient (thrown) failures — default: 3.
     *  A null return (server rejection) is never retried. Set to 1 to disable retries. */
    createRetryAttempts?: number;
    /** Backoff (ms) between session.create retry attempts — default: 250. */
    createRetryBackoffMs?: number;
    /** Timeout (ms) for materializing a sub-agent result fetch — default: 10000 */
    materializeTimeoutMs?: number;
    /** How long (ms) sidecar result files are kept after task cleanup — default: 3600000 */
    resultRetentionMs?: number;
    /** Outbox sweeper initial retry delay (ms) — default: 3000 */
    outboxFirstRetryMs?: number;
    /** Outbox sweeper max retry delay (ms) — default: 60000 */
    outboxMaxRetryMs?: number;
    /** Outbox sweeper polling interval (ms) — default: 5000 */
    outboxSweepIntervalMs?: number;
}
export declare const DEFAULT_CONFIG: DispatchManagerConfig;
/**
 * Reads dispatch configuration from environment variables.
 * Only returns keys that are explicitly set and parse to positive numbers.
 * NaN, ≤0, and empty-string values are silently ignored.
 */
export declare function resolveEnvConfig(): Partial<DispatchManagerConfig>;
/**
 * Merge dispatch configuration with precedence: env > roleConfig > base.
 *
 * @param base       Base configuration (e.g. DEFAULT_CONFIG)
 * @param roleCfg    Optional role-level overrides (from role.yaml `dispatch:` block)
 * @param envCfg     Optional environment-level overrides (from resolveEnvConfig())
 * @returns          Merged DispatchManagerConfig
 */
export declare function mergeConfig(base: DispatchManagerConfig, roleCfg?: Partial<DispatchManagerConfig>, envCfg?: Partial<DispatchManagerConfig>): DispatchManagerConfig;
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