fix presenter issues

core/racing/application/use-cases/GetDriversLeaderboardUseCase.ts

@@ -1,4 +1,4 @@
-import type { Logger, UseCase } from '@core/shared/application';
+import type { Logger, UseCase, UseCaseOutputPort } from '@core/shared/application';
 import { Result } from '@core/shared/application/Result';
 import type { ApplicationErrorCode } from '@core/shared/errors/ApplicationErrorCode';
 import type { Driver } from '../../domain/entities/Driver';
@@ -42,20 +42,21 @@ export type GetDriversLeaderboardErrorCode =
  * Use Case for retrieving driver leaderboard data.
  * Returns a Result containing the domain leaderboard model.
  */
-export class GetDriversLeaderboardUseCase implements UseCase<GetDriversLeaderboardInput, GetDriversLeaderboardResult, GetDriversLeaderboardErrorCode> {
+export class GetDriversLeaderboardUseCase implements UseCase<GetDriversLeaderboardInput, void, GetDriversLeaderboardErrorCode> {
   constructor(
     private readonly driverRepository: IDriverRepository,
     private readonly rankingService: IRankingService,
     private readonly driverStatsService: IDriverStatsService,
     private readonly getDriverAvatar: (driverId: string) => Promise<string | undefined>,
     private readonly logger: Logger,
+    private readonly output: UseCaseOutputPort<GetDriversLeaderboardResult>,
   ) {}
 
   async execute(
     input: GetDriversLeaderboardInput,
   ): Promise<
     Result<
-      GetDriversLeaderboardResult,
+      void,
       ApplicationErrorCode<GetDriversLeaderboardErrorCode, { message: string }>
     >
   > {
@@ -105,7 +106,9 @@ export class GetDriversLeaderboardUseCase implements UseCase<GetDriversLeaderboa
 
       this.logger.debug('Successfully computed drivers leaderboard');
 
-      return Result.ok(result);
+      this.output.present(result);
+
+      return Result.ok(void 0);
     } catch (error) {
       const err = error instanceof Error ? error : new Error(String(error));