소개
This skill provides comprehensive guidance for building and maintaining the Langfuse backend, ensuring architectural consistency across tRPC procedures, REST APIs, and BullMQ queue processors. It enforces a strict layered architecture—separating transport layers from business services—while managing complex multi-tenant data isolation across PostgreSQL and ClickHouse. It is an essential tool for developers looking to implement robust observability, secure database access, and scalable background job processing within a TypeScript-based monorepo.