📰 Dev.to · Rosen Hristov
Articles from Dev.to · Rosen Hristov · 4 articles · Updated every 3 hours · View all reads
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Dev.to · Rosen Hristov
1mo ago
Your Chatbot Recommends Products You Don't Sell
Most e-commerce chatbots hallucinate inventory. I added a preprocessing step that checks the real catalog before the agent runs. Four actions, one extra LLM cal

Dev.to · Rosen Hristov
1mo ago
Why I Split One LangGraph Agent into Four Running in Parallel
A single agent with 12 tools dropped half of compound questions. I replaced it with four specialized agents using LangGraph's Send API, state reducers, and LLM-

Dev.to · Rosen Hristov
1mo ago
Hybrid Search for E-commerce: When Keywords Alone Fail
BM25 handles SKUs and brand names. Vector search handles "gift for a coffee lover." I run both in parallel and merge the results.

Dev.to · Rosen Hristov
1mo ago
I Built Vector-Only Search First. Here's Why I Had to Rewrite It.
I spent three weeks on pure vector search for e-commerce. SKU lookups returned random products. Here's how hybrid search fixed it.
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