//! Identifier generators and types per design.md ยง1.1.
use Ulid;
/// Generate a new lowercase-ULID `run_id`.
/// Format a monotonic per-run `node_id` (e.g. `n-0001`).
/// Generate a new `d-<ULID>` discussion ID.
/// Generate a new `s-<ULID>` spinoff proposal ID.