feat: restructure into XFlow monorepo with Nuxt 4, Modular Onion Monolith, Android client, and Desktop CLI

apps/web/server/modules/notes-lists/application/GetListsUseCase.ts

@@ -0,0 +1,23 @@
+import { IUseCase } from '../../core/application/IUseCase';
+import { Result } from '../../core/domain/Result';
+import { DomainError, ValidationError } from '../../core/domain/DomainError';
+import { IListRepository } from '../domain/IListRepository';
+import { NoteList } from '../domain/NoteList';
+
+export interface GetListsRequest {
+  ownerId: string;
+  category?: string;
+}
+
+export class GetListsUseCase implements IUseCase<GetListsRequest, NoteList[]> {
+  constructor(private readonly listRepository: IListRepository) {}
+
+  public async execute(req: GetListsRequest): Promise<Result<NoteList[], DomainError>> {
+    if (!req.ownerId) {
+      return Result.fail(new ValidationError('Owner ID is required'));
+    }
+
+    const lists = await this.listRepository.findListsByOwner(req.ownerId, req.category);
+    return Result.ok(lists);
+  }
+}