/**
 * UserState — Persistent state for progressive skill pack disclosure.
 *
 * Stored at ~/.crowdlisten/state.json
 *
 * Auto-migration:
 *  - Existing users (have auth.json or context.json): all packs active
 *  - New users: core pack only
 */
export type TelemetryLevel = "off" | "anonymous" | "community";
export interface UserState {
    version: 2;
    activePacks: string[];
    contextBlockCount: number;
    preferences: {
        telemetry: TelemetryLevel;
        proactiveSuggestions: boolean;
        crossProjectLearnings: boolean;
    };
    installationId: string;
    onboardingCompleted: string[];
}
/**
 * Load user state. Auto-creates with migration logic if not found.
 */
export declare function loadUserState(): UserState;
/**
 * Save user state to disk.
 */
export declare function saveUserState(state: UserState): void;
/**
 * Activate a skill pack.
 */
export declare function activatePack(packId: string): UserState;
/**
 * Deactivate a skill pack.
 */
export declare function deactivatePack(packId: string): UserState;