view data fixes

apps/website/lib/builders/view-data/LeagueRosterAdminViewDataBuilder.ts

@@ -9,7 +9,14 @@ import { DateDisplay } from '@/lib/display-objects/DateDisplay';
  * Transforms API DTOs into LeagueRosterAdminViewData for server-side rendering.
  * Deterministic; side-effect free; no HTTP calls.
  */
-export class LeagueRosterAdminViewDataBuilder {
+import { ViewDataBuilder } from "../../contracts/builders/ViewDataBuilder";
+
+export class LeagueRosterAdminViewDataBuilder implements ViewDataBuilder<any, any> {
+  build(input: any): any {
+    return LeagueRosterAdminViewDataBuilder.build(input);
+  }
+
+  static build(
   static build(input: {
     leagueId: string;
     members: LeagueRosterMemberDTO[];