/**
 * Nostr utilities — event creation, signing, publishing
 */
export interface PortfolioItem {
    id: string;
    url: string;
    name?: string;
    description?: string;
}
export interface AgentProfile {
    name?: string;
    description?: string;
    capabilities?: string[];
    framework?: string;
    model?: string;
    ownerType?: string;
    ownerX?: string;
    status?: string;
    parent?: string;
    messagingPolicy?: string;
    messagingMinTrust?: number;
    messagingFee?: number;
    portfolio?: PortfolioItem[];
    skills?: string[];
    experience?: string[];
}
/**
 * Generate a new Nostr keypair and save to a JSON file.
 * Returns the secret key as Uint8Array.
 */
export declare function generateAndSaveKeypair(outputPath: string): {
    sk: Uint8Array;
    npub: string;
    path: string;
};
/**
 * Parse a secret key from nsec, hex, or key file
 */
export declare function parseSecretKey(input: string): Uint8Array;
/**
 * Get npub from secret key
 */
export declare function getNpub(sk: Uint8Array): string;
/**
 * Get hex pubkey from secret key
 */
export declare function getPubkeyHex(sk: Uint8Array): string;
/**
 * Build and sign a kind 31339 agent profile event
 */
export declare function createProfileEvent(sk: Uint8Array, profile: AgentProfile): import("nostr-tools").VerifiedEvent;
/**
 * Publish an event to Nostr relays
 */
export declare function publishToRelays(event: object, relays?: string[], timeoutMs?: number): Promise<string[]>;
/**
 * Fetch existing kind 0, merge new fields, and republish.
 * Used to set lud16 (lightning address) during registration.
 */
export declare function updateKind0(sk: Uint8Array, updates: {
    lud16?: string;
}, relays?: string[]): Promise<string[]>;
/**
 * Build and sign a kind 0 profile metadata event (for NIP-05 verification).
 * After claiming a NIP-05 name, publish this to relays so Nostr clients
 * (njump, Damus, Primal) can verify the identity.
 */
/**
 * Fetch existing kind 0, merge explicit updates, and return signed event.
 * Safe for existing Nostr users — only overwrites fields explicitly passed.
 */
export declare function buildKind0Event(sk: Uint8Array, updates: {
    name?: string;
    about?: string;
    nip05?: string;
    picture?: string;
    lud16?: string;
    website?: string;
    ownerPubkeyHex?: string;
    bot?: boolean;
}, relays?: string[]): Promise<import("nostr-tools").VerifiedEvent>;
/**
 * Create and sign a kind 1 note tagged #agentdex
 */
export declare function createNote(sk: Uint8Array, content: string): import("nostr-tools").VerifiedEvent;