import type { ExtensionAPI } from "@earendil-works/pi-coding-agent";
/**
 * Extract a stable parent session identifier from the extension context.
 * Falls back to a generated ID when the session context is unavailable.
 */
export declare function extractParentSessionInfo(pi: ExtensionAPI): {
    id: string;
    isReal: boolean;
};
/**
 * Extension composition root (design D1, D5): constructs core services and
 * registers pi-wrapped tools/commands. This is the sole entrypoint pi loads
 * — `src/index.ts` is a bare re-export of this module's default export.
 */
export default function (pi: ExtensionAPI): Promise<void>;
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