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Original rewrites on React, Node.js, TypeScript and AI — practical notes from the same engineering practice behind our operator software. Article bodies are in English.
Your RAG Pipeline Starts Before the First Embedding
Build a source inventory that distinguishes usable evidence from missing text, broken attribution, and incomplete extraction.
553 wordsRead articleChunk Documents Around the Evidence an Answer Needs
Choose chunk boundaries by inspecting which facts must travel together, then test retrieval under a fixed context budget.
592 wordsRead articleLet Exact Terms and Meaning Work Together in Search
Combine lexical and semantic candidate lists without treating incompatible search scores as interchangeable.
572 wordsRead articleMake Reranking Earn Its Place in Your RAG Pipeline
A second ranking stage should add useful information, preserve evidence, and show measurable gains against a retrieval-only baseline.
622 wordsRead articleDebug RAG by Finding the First Stage That Failed
Separate source, retrieval, generation, and operational failures so each experiment fixes a clearly identified problem.
655 wordsRead articleBuild a React Search Interface with Clear State Ownership
Keep events, derived values, request lifetimes, and evidence display separate so a correct answer reaches the right query.
709 wordsRead articlePractical notes: Building the Graph with GraphRAG: Community Reports and
Operable walkthrough of Practical notes: Building the Graph with GraphRAG: Community Reports and: contracts, checks, and drop-in code slots for teams shipping this pattern.
1190 wordsRead articlePractical notes: Coverage Is Not a Decision
Operable walkthrough of Practical notes: Coverage Is Not a Decision: contracts, checks, and drop-in code slots for teams shipping this pattern.
1203 wordsRead articlePractical notes: What Does GPT-5.5 Mean for AI Agents and Customer Support
Operable walkthrough of Practical notes: What Does GPT-5.5 Mean for AI Agents and Customer Support: contracts, checks, and drop-in code slots for teams shipping this pattern.
1565 wordsRead article
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