refactor page to use services

apps/website/lib/api/leagues/LeaguesApiClient.ts

@@ -49,4 +49,32 @@ export class LeaguesApiClient extends BaseApiClient {
   removeMember(leagueId: string, performerDriverId: string, targetDriverId: string): Promise<{ success: boolean }> {
     return this.patch<{ success: boolean }>(`/leagues/${leagueId}/members/${targetDriverId}/remove`, { performerDriverId });
   }
+
+  /** Get league seasons */
+  getSeasons(leagueId: string): Promise<{ seasons: Array<{ id: string; status: string }> }> {
+    return this.get<{ seasons: Array<{ id: string; status: string }> }>(`/leagues/${leagueId}/seasons`);
+  }
+
+  /** Get season sponsorships */
+  getSeasonSponsorships(seasonId: string): Promise<{ sponsorships: Array<{ sponsorId: string; tier: string; status: string }> }> {
+    return this.get<{ sponsorships: Array<{ sponsorId: string; tier: string; status: string }> }>(`/seasons/${seasonId}/sponsorships`);
+  }
+
+  /** Get league config */
+  getLeagueConfig(leagueId: string): Promise<{ config: any }> {
+    return this.get<{ config: any }>(`/leagues/${leagueId}/config`);
+  }
+
+  /** Get league scoring presets */
+  getScoringPresets(): Promise<{ presets: any[] }> {
+    return this.get<{ presets: any[] }>(`/leagues/scoring-presets`);
+  }
+
+  /** Transfer league ownership */
+  transferOwnership(leagueId: string, currentOwnerId: string, newOwnerId: string): Promise<{ success: boolean }> {
+    return this.post<{ success: boolean }>(`/leagues/${leagueId}/transfer-ownership`, {
+      currentOwnerId,
+      newOwnerId,
+    });
+  }
 }