import type { HarnessOptions, ModelRef, Registry, Storage } from "@earendil-works/pi-durable";
import type { FabricHostedRunner } from "./agents/runner-registry.js";
import { type PiDurableMessageOptions } from "./durable-controls.js";
export type { PiDurableMessageOptions } from "./durable-controls.js";
/** The host must hold exclusive ownership until release, including across processes. */
export interface PiDurableStorageLease {
    storage: Storage;
    release(): void | Promise<void>;
}
export type PiDurableStorageOptions = {
    kind: "jsonl";
    directory: string;
} | {
    kind: "factory";
    identity: string;
    acquire(runId: string): Promise<PiDurableStorageLease>;
};
export interface PiDurableRunnerOptions {
    id?: string;
    label?: string;
    residentModule?: string;
    models: HarnessOptions["models"];
    registry: Registry;
    env: NonNullable<HarnessOptions["env"]>;
    allowedModels: readonly ModelRef[];
    /** Optional host-selected model, which must also appear in allowedModels. */
    defaultModel?: ModelRef;
    storage: PiDurableStorageOptions;
}
export interface PiDurableRunner extends FabricHostedRunner {
    steer(locator: unknown, message: string, options?: PiDurableMessageOptions): Promise<void>;
    followUp(locator: unknown, message: string, options?: PiDurableMessageOptions): Promise<void>;
    /** Seal this instance, join invocations and release storage; never abort work. Create a new runner to reopen. */
    close(): Promise<void>;
}
export interface PiDurableLocator {
    version: 1;
    backend: "pi-durable";
    storage: string;
    runId: string;
}
/** Opt-in hosted adapter. No registration or runtime package loading occurs at factory creation. */
export declare function createPiDurableRunner(options: PiDurableRunnerOptions): PiDurableRunner;
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