Chris Parsons 25df4cee7e fix: infer LLWS bracket side from name when externalId is null ... Participants are created with externalId=null by default, causing the LLWS simulator to crash at runtime. Fix in two parts: 1. Name-prefix inference: if externalId is null, participants whose name starts with "US " or equals "US" are assigned to the US side; all others are assigned to Intl. Pools are always randomized when inferred (no pool suffix). 2. Admin UI: add an inline-editable "Group" column to the Manage Participants page so admins can explicitly set externalId for any simulator that uses it (LLWS, and future cases like NHL conferences). Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>		2026-04-09 13:42:40 +00:00
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__tests__	fix: infer LLWS bracket side from name when externalId is null	2026-04-09 13:42:40 +00:00