JJacksoninrecalso.hashnode.dev·Jul 30 · 7 min readYour hybrid retriever is fusing scores that were never on the same scaleMost hybrid search tutorials end at the same place: run BM25, run a vector search, add the two scores with a weight, sort. It works on the demo corpus. Then the corpus grows and the ranking quietly ch00
JJacksoninrecalso.hashnode.dev·Jul 12 · 8 min readHybrid search on-device: why we index every filename with SQLite FTS5 and embed only what mattersThe bug report that killed our "just use embeddings" plan A user knows the file exists. They typed its name. They can picture the icon. And the semantic search we shipped confidently returned four the00
JJacksoninrecalso.hashnode.dev·Jul 6 · 9 min readWhat poisoning a RAG store taught us about agent memoryMost of the "AI memory" conversation is about getting things in: chunking, embeddings, which vector database, how to compress a long chat into something you can recall later. Almost none of it is abou00