RAG document ingestion: PDFs, tables, OCR, and versions without silent garbage
A production ingest pipeline for RAG: immutable originals, PDF and scan parsing, tables that keep their headers, parser quarantine, versioning, and idempotent replay.
Stuzhuk Lab — Chemistry of Code
Chemistry of Code
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observability
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AI Evaluation Harness in 2026: Golden Sets, Regression Gates, and Release Criteria That Survive Production
Build an AI evaluation harness that connects golden datasets, retrieval and generation metrics, CI regression gates, shadow traffic, release controls, observability, and LLM gateway FinOps.
LLM Gateway & FinOps in 2026: Model Routing, Token Budgets, and Cost Control Without Sacrificing Quality
A practical 2026 guide to LLM gateways and FinOps: request taxonomy, model routing, token budgets, caching caveats, failover, multi-provider contracts, chargeback, security, observability, and a 90-day rollout plan.
Production RAG Engineering in 2026: Chunking, Hybrid Search, Reranking, and Evals
A practical guide to production RAG architecture: ingestion, chunking, hybrid retrieval, reranking, evaluation, observability, security, and staged delivery for engineering teams.
Enterprise AI Observability: Seeing the Whole System
How to operate enterprise AI with observability across infrastructure, RAG, answer quality, security, and business metrics.