etrace: open source minimal tracing lib

什么是 etrace: open source minimal tracing lib？

🚀 introducing etrace: open-source AI agent tracing library one primitive: trace auto-instruments LLM calls tracks costs across 1700+ models 16 semantic span kinds built for AI workflows - 📊 etrace studio: visualize, inspect, and debug every trace locally zero config. just init() and you're tracing. MIT licensed