/**
 * Generate a 128-bit, time-sortable identifier (ULID-like): a 48-bit
 * millisecond timestamp prefix (12 lowercase hex chars) followed by 80 random
 * bits (20 lowercase hex chars). Fixed width keeps lexicographic order aligned
 * with creation time, and plain lowercase hex stays compatible with the
 * existing TEXT primary keys written by earlier releases.
 */
export declare function genId(): string;
export declare function nowIso(): string;