Conduit API — navigation (hexagonal / ports and adapters)

Each concern has a known location:

• src/domain/entities/ — domain entities (Article, User, Comment).
• src/domain/repositories/ — repository INTERFACES (ports): IArticleRepository, IUserRepository, ICommentRepository, ITagRepository.
• src/application/services/ — business logic / use-cases: ArticleService, UserService, ProfileService, CommentService, TagService. Article response building, which includes the favorited and author following flags, is in ArticleService.
• src/infrastructure/repositories/ — Prisma repository ADAPTERS (PrismaArticleRepository, …).
• src/infrastructure/security/ — JwtTokenService (token sign / verify), PasswordHasher.
• src/infrastructure/utils/ — SlugGenerator (slug generation and uniqueness).
• src/presentation/controllers/ — HTTP controllers.
• src/presentation/routes/ — Express route wiring.
• src/presentation/middleware/AuthMiddleware.ts — authentication middleware (verifies the request token).
• src/DependencyContainer.ts — composition root.
• prisma/schema.prisma — data model (Article.slug is unique).