Added a new ContentsModule to handle content creation, upload, and management. Includes controller endpoints for CRUD operations, content exploration, and tagging. Integrated caching, file processing, S3 storage, and database logic.
Introduced `env.schema.ts` for structured validation of environment variables using Zod. Includes defaults and validations for database, S3, security, mail, Redis, and session configurations.
Introduced CommonModule to centralize shared functionality. Added PurgeService for automated database cleanup and a global exception filter for unified error handling.
Implemented CategoriesModule with controller, service, and DTOs for managing categories. Includes endpoints for creation, retrieval, updating, and deletion, integrated with database logic.
Added AuthModule with services, controllers, and guards for authentication. Implements session management, role-based access control, 2FA, and DTOs for user login, registration, and token refresh.
Added a dedicated ApiKeysModule to manage API keys. Includes functionality to create, list, revoke, and validate keys, leveraging cryptographic hashing and database support. Integrated with authentication guards for security.
Added MailModule with services for email validation and password reset functionalities. Includes configuration via `@nestjs-modules/mailer` and comprehensive unit tests.
Added CryptoModule providing services for Argon2 hashing, JWT handling, JWE encryption/decryption, JWS signing/verification, and post-quantum cryptography (ML-KEM). Includes extensive unit tests for all features.
