website refactor

apps/website/lib/mutations/admin/UpdateUserStatusMutation.ts

@@ -1,6 +1,7 @@
 import { AdminService } from '@/lib/services/admin/AdminService';
 import { Result } from '@/lib/contracts/Result';
 import { MutationError, mapToMutationError } from '@/lib/contracts/mutations/MutationError';
+import { Mutation } from '@/lib/contracts/mutations/Mutation';
 
 /**
  * UpdateUserStatusMutation
@@ -13,7 +14,7 @@ import { MutationError, mapToMutationError } from '@/lib/contracts/mutations/Mut
  *
  * Pattern: Server Action → Mutation → Service → API Client
  */
-export class UpdateUserStatusMutation {
+export class UpdateUserStatusMutation implements Mutation<{ userId: string; status: string }, void, MutationError> {
   async execute(input: { userId: string; status: string }): Promise<Result<void, MutationError>> {
     try {
       // Manual construction: Service creates its own dependencies