Type-safe dependency injection for modern TypeScript

No reflect-metadata. Standard decorators. Request scopes for web apps — with typed tokens and explicit deps you can read and review.

• No legacy decorators or parameter injection — explicit deps you can read and review
• Singleton, scoped, and transient lifetimes with inspectable dependency graphs
• Adapters for Next.js, Hono, Express, Fastify, Fresh, GraphQL Yoga, and Apollo Server