Approved Package Registry

Package	Category	Approved use
typescript	Development	Strict TypeScript compilation
tsx	Development	Local TypeScript execution and watch mode
express	Runtime	HTTP routing and middleware
@types/express	Development	Express type definitions
cors	Runtime	Cross-origin request middleware
@types/cors	Development	CORS type definitions
dotenv	Runtime	Environment file loading
express-validator	Runtime	API request validation
jsonwebtoken	Runtime	JWT signing and verification
@types/jsonwebtoken	Development	JWT type definitions
argon2	Runtime	Password hashing and verification
slugify	Runtime	Stable article slug generation
prisma	Development	Schema migrations and client generation
@prisma/client	Runtime	PostgreSQL data access
jest	Development	Unit and integration test runner
ts-jest	Development	TypeScript transformation for Jest
supertest	Development	HTTP boundary testing
@types/jest	Development	Jest type definitions
@types/supertest	Development	Supertest type definitions
eslint	Development	Static analysis
@typescript-eslint/parser	Development	TypeScript ESLint parser
@typescript-eslint/eslint-plugin	Development	TypeScript lint rules
husky	Development	Git hook management
@commitlint/cli	Development	Commit message validation
@commitlint/config-conventional	Development	Conventional commit rules
@stryker-mutator/core	Development	Mutation testing engine
@stryker-mutator/jest-runner	Development	Jest mutation-test runner
@types/node	Development	Node.js type definitions