Trace Sampling for LLM Apps: Keep the Spans That Matter, Drop the Rest

Book: Observability for LLM Applications 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 ship an LLM feature. Traffic grows. The observability bill grows faster. Every chat turn is a trace. Every trace carries the full prompt, the full response, the retrieved chunks, the tool calls, the t...