A Haystack pipeline can be perfectly wired and still unsafe. The retriever returns documents. Every component did its job. But if untrusted text moved through the pipeline as ordinary context, the trust boundary was lost. That is the problem this post is about. Not bad Python. A valid component connection only says: this value fits the next component It does not say: this value is safe to influen
I've been building web applications for 8 years, and locale handling has always been my silent killer. Date formats break in production, currency symbols get mangled, timezone calculations drift—all caught too late. That's why I took TestSprite for a real project spin. Integration testing is boring, expensive, and brittle. Write 100 Selenium tests, change the UI once, watch 60 fail. Most teams eit
Comparison: Haystack 2.0 vs. RAGatouille 0.3 for Building High-Accuracy RAG Pipelines for Developer Docs Retrieval-Augmented Generation (RAG) has become the standard for building LLM-powered tools that answer questions using private or domain-specific data. For developer documentation (dev docs) — which includes technical jargon, versioned APIs, code snippets, and structured reference material —