Reranker Fine-Tuning on Click Data: When Off-the-Shelf Stops Winning

Book: RAG Pocket Guide: Retrieval, Chunking, and Reranking Patterns for Production Also by me: Thinking in Go (2-book series) — Complete Guide to Go Programming + Hexagonal Architecture in Go My project: Hermes IDE | GitHub — an IDE for developers who ship with Claude Code and other AI coding tools Me: xgabriel.com | GitHub You wired up a RAG pipeline, picked bge-reranker-v2-m3 off Hugging Face, plugged it in after the bi-encoder, and watched hit rate jump eight points. Then you stopped touching