- Competition ID (Event.external_game_id) sits under Competition, game-only,
one-off only (no EventSeries equivalent) -- was already part of EventForm,
just never rendered here.
- Gathering time (Event.gathering / EventSeries.gathering_offset) is
available for every kind, in both the one-off and recurring paths -- the
recurring form had this explicitly cut earlier; un-cut now that it's
wanted, mirroring the existing Answers-close/deadline_minutes_before
pattern right next to it.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>