import type { ExtensionAPI, ExtensionContext } from "@earendil-works/pi-coding-agent";
import type { FabricState } from "../fabric-state.js";
import type { FabricProgramRunReplyV1, FabricProgramRunSnapshotV1 } from "../protocol.js";
export declare const PROGRAM_RUN_MESSAGE_TYPE = "pi-fabric-program-run";
export interface ProgramHostDeps {
    state: Pick<FabricState, "ensure" | "config" | "execution" | "registry">;
    pi: Pick<ExtensionAPI, "sendMessage">;
}
interface HostProgramRunBase {
    input?: unknown;
    signal?: AbortSignal;
}
/** A saved program, chosen by name or digest. */
export interface HostSavedProgramRunRequest extends HostProgramRunBase {
    ref: string;
    requirePromoted?: boolean;
}
/** Caller-supplied TypeScript. Fabric computes its SHA-256 for the run's identity. */
export interface HostCodeProgramRunRequest extends HostProgramRunBase {
    code: string;
}
export type HostProgramRunRequest = HostSavedProgramRunRequest | HostCodeProgramRunRequest;
export declare const runHostProgram: (deps: ProgramHostDeps, context: ExtensionContext, request: HostProgramRunRequest) => Promise<FabricProgramRunReplyV1>;
/**
 * `pi-fabric:program:run:v1`; replies exactly once, never throws. It reads only
 * the snapshot the listener took at the event boundary, never the caller's object.
 */
export declare const handleFabricProgramRunEvent: (request: FabricProgramRunSnapshotV1, deps: ProgramHostDeps & {
    context: ExtensionContext | undefined;
}) => Promise<void>;
/** `/fabric programs [list|promote <ref>|retire <ref>]` and `/fabric run <ref> [json input]`. */
export declare const runFabricProgramsCommand: (deps: ProgramHostDeps, context: ExtensionContext, command: "programs" | "run", argumentsText: string) => Promise<void>;
export {};
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