- Reordered and grouped imports consistently in backend and frontend files for better readability.
- Applied indentation and formatting fixes across frontend components, services, and backend modules.
- Adjusted multiline method calls and type definitions for improved clarity.
- Implemented a full comments module in the backend with repository, service, controller, and DTOs using NestJS.
- Added frontend support for comments with a `CommentSection` component and integration into content pages.
- Introduced `SocketProvider` on the frontend and integrated Socket.io for real-time communication.
- Updated dependencies and configurations for Socket.io and WebSockets support.
Deleted unused e2e tests, mocks (`cuid2`, `jose`, `ml-kem`, `sha3`), and their associated jest configurations. Simplified services by ensuring proper dependency imports, resolving circular references, and improving TypeScript type usage for enhanced maintainability and testability. Upgraded Dockerfile base image to match new development standards.
Introduced centralized PGP encryption utilities and updated the `users` schema to enable automatic decryption for sensitive fields like `email` and `twoFactorSecret`.
Added `categories` and `favorites` database schemas with full type inference support. Integrated categories into `content` schema with new properties (`categoryId`, `slug`, `views`, and `usageCount`). Updated `tags` schema to include `userId` with reference to `users`. Exported new schemas in index for broader usage.
