export declare const DEFAULT_BROWSER_EXTENSION_BASE_URL = "https://home.huniu.fun:8183";
export declare const DEFAULT_PASSWORD_VAULT_ID = "personal";
export declare const DEFAULT_PASSWORD_VAULT_NAME = "Personal";
export type PasswordVaultItemType = "login" | "credit_card" | "identity" | "secure_note" | "passkey";
export interface PasswordVault {
    id: string;
    name: string;
    createdAt: string;
    updatedAt: string;
}
export interface PasswordVaultItem {
    id: string;
    vaultId: string;
    type: PasswordVaultItemType;
    title: string;
    username?: string;
    password?: string;
    urls: string[];
    notes?: string;
    fields: Record<string, string>;
    tags: string[];
    favorite: boolean;
    createdAt: string;
    updatedAt: string;
    lastUsedAt?: string;
    passwordUpdatedAt?: string;
}
export interface PasswordVaultItemInput {
    vaultId?: string;
    type?: PasswordVaultItemType;
    title?: string;
    username?: string;
    password?: string;
    urls?: string[];
    notes?: string;
    fields?: Record<string, unknown>;
    tags?: string[];
    favorite?: boolean;
}
export interface PasswordVaultItemFilter {
    q?: string;
    url?: string;
    type?: PasswordVaultItemType;
    vaultId?: string;
    includeArchived?: boolean;
    limit?: number;
}
interface PasswordIssue {
    itemId: string;
    title: string;
    kind: "weak_password" | "reused_password" | "missing_url" | "old_password" | "passkey_available";
    severity: "low" | "medium" | "high";
    message: string;
}
export interface PasswordSecurityReport {
    totalItems: number;
    loginItems: number;
    weakPasswords: number;
    reusedPasswords: number;
    missingUrls: number;
    oldPasswords: number;
    passkeyItems: number;
    issues: PasswordIssue[];
}
export declare function nowIso(): string;
export declare function normalizePasswordItemType(value: unknown): PasswordVaultItemType;
export declare function normalizeVaultName(value: unknown): string;
export declare function normalizePasswordItemInput(input: PasswordVaultItemInput): Required<Pick<PasswordVaultItemInput, "type" | "title" | "urls" | "fields" | "tags" | "favorite">> & PasswordVaultItemInput;
export declare function itemMatchesFilter(item: PasswordVaultItem, filter: PasswordVaultItemFilter): boolean;
export declare function scorePasswordStrength(password: string | undefined): number;
export declare function buildPasswordSecurityReport(items: PasswordVaultItem[], now?: number): PasswordSecurityReport;
export interface PasswordGeneratorOptions {
    length?: number;
    digits?: boolean;
    symbols?: boolean;
}
/** AES-256-GCM at-rest wrapper. Legacy plaintext values pass through on read. */
export declare function encryptVaultSecret(plaintext: string, secret: string): string;
export declare function decryptVaultSecret(value: string | undefined, secret: string | null): string | undefined;
export declare function isEncryptedVaultSecret(value: string | undefined): boolean;
export declare function generatePassword(options?: PasswordGeneratorOptions): string;
export declare function generateTotpCode(secret: string, timeMs?: number, digits?: number, period?: number): string;
export {};