* Fix flex pick count using unique sports drafted, not total season sports
The flex count was calculated as `totalPicks - totalSportsInSeason`, which
always returned 0 when a team drafted multiple participants from the same
sport (e.g. 2 picks from UEFA Champions League with 2 sports in season =
2 - 2 = 0). Now uses the number of unique sports the team has actually
drafted from, so 2 picks in 1 sport correctly shows 1 flex used.
https://claude.ai/code/session_01DZ6jqgZTDEmJucanBtRCtM
* Code review fixes for TeamsDraftedGrid and draft route
- Fix misleading early-return message: "No picks have been made yet" only
fires when there are no sports configured, so update to say "No sports
have been configured for this season."
- Remove unused draftOrder and team.seasonId from TeamsDraftedGrid props
- Replace availableParticipants prop with sports prop to eliminate
duplicate sports derivation; route already computes seasonSportsData
- Add alphabetical sort to seasonSportsData so ordering is consistent
- Fix availableParticipants: any[] in loader — restructure to ternary so
TypeScript infers the Drizzle select type directly
- Remove any annotation from seasonSportsData forEach callback (now typed)
- Fix teamSportPicks.indexOf(pick) O(n) re-scan — use map callback index i
https://claude.ai/code/session_01DZ6jqgZTDEmJucanBtRCtM
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Co-authored-by: Claude <noreply@anthropic.com>