Module ids 

Identifier generators and types per design.md §1.1.

Functions

format_node_id

Format a monotonic per-run node_id (e.g. n-0001).

new_discussion_id

Generate a new d-<ULID> discussion ID.

new_proposal_id

Generate a new s-<ULID> spinoff proposal ID.

new_run_id

Generate a new lowercase-ULID run_id.