import type { ExtensionAPI, ExtensionContext } from "@earendil-works/pi-coding-agent";
import { type NotesSnapshot } from "../pi/notes/snapshot.js";
export type IncompleteNotesNotifier = (ctx: ExtensionContext, windowId: string, snapshot: NotesSnapshot) => void;
/** The boot custom message: identity, notes snapshot, and static protocol; never reset prose. */
export type BootMessage = {
    readonly customType: string;
    readonly content: string;
    readonly display: false;
    readonly details: {
        windowId: string;
    };
};
/**
 * Acquire one notes snapshot and build the boot custom message for a window. All identity
 * fields are captured synchronously before the first filesystem await.
 */
export declare function buildBootMessage(ctx: ExtensionContext, windowId: string, previousId: string | undefined, notifyIncompleteNotes?: IncompleteNotesNotifier, isCurrent?: () => boolean): Promise<BootMessage>;
/** Persist one hidden boot message without triggering a model turn. */
export declare function sendBoot(pi: ExtensionAPI, boot: BootMessage): void;
/**
 * Boot entry point for `session_start` / `session_tree`. Ordinary startup ensures one root
 * boot; a reset marker instead asks reset-artifact repair to complete its persisted tail.
 */
export declare function ensureBoot(pi: ExtensionAPI, ctx: ExtensionContext, notifyIncompleteNotes?: IncompleteNotesNotifier, isCurrent?: () => boolean): Promise<void>;