Fix horizontal scroll on league page from long event names (#360)

Add min-w-0 to Link wrapper and overflow-hidden to SportRow flex
container so grid/flex children can shrink below intrinsic content
size, allowing truncate to work properly on mobile.

AGENTS.md

@@ -7,6 +7,7 @@ Brackt.com is a fantasy sports drafting platform (React Router 7 + SSR, Socket.I
 ```bash
 npm run dev               # development with HMR
 npm run typecheck         # TypeScript check
+npm run lint              # lint check (run alongside typecheck after edits)
 npm run db:generate       # generate Drizzle migration
 npm run db:migrate        # apply migrations
 npm run test:run          # unit tests (once)

app/components/league/SportsSeasonsSummary.tsx

@@ -169,7 +169,7 @@ function SportRow({
 
   const inner = (
     <div
-      className={`group flex gap-3 rounded-lg px-3 py-2.5 transition-colors ${
+      className={`group flex gap-3 rounded-lg px-3 py-2.5 overflow-hidden transition-colors ${
         isCompleted
           ? "hover:bg-white/[0.04] opacity-70 hover:opacity-100"
           : "hover:bg-white/[0.06]"
@@ -206,7 +206,7 @@ function SportRow({
   return (
     <Link
       to={`/leagues/${leagueId}/sports-seasons/${item.id}`}
-      className="block"
+      className="block min-w-0"
       aria-label={`${item.sportName} — ${item.seasonName}`}
     >
       {inner}