Seven posts, seven production systems. This final installment assembles every piece — distributed tracing, metrics, evaluation, prompt versioning, RAG observability, and cost governance — into one reference architecture with a phased implementation checklist you can start using this week.
Tag: Langfuse
Prompt Management and Versioning: Treating Prompts as Production Code
Prompt changes are production changes. A wording edit at 3pm on a Friday can silently degrade thousands of responses with no error signal. This post builds a production-grade prompt management system with versioning, A/B testing, quality gates, and rollback in Node.js, Python, and C#.
