Building the AI Product Assistant: Context Injection, Multi-Turn Chat, and Cross-Product Retrieval
The previous posts focused on search. This one turns to the AI assistant — a floating chat widget that answers product questions, recommends complementary gear, and builds camping loadouts on request. Under the hood, it is a multi-turn conversation system with history, context injection when viewing a product, and dynamic retrieval when the query requires cross-product knowledge. What the assistant does Three core capabilities: Product Q&A — user is viewing a tent, asks “Is this waterproof?”, assistant answers from the product description without retrieving anything. ...