Traccia：功能、适用场景与来源

OpenTelemetry-native tracing with runtime policy enforcement, prompt registry & evals, cost attribution, and EU AI Act evidence. One SDK for LangChain, CrewAI, OpenAI Agents SDK & more. 主要功能：04Intelligence: Cost Attribution, Evals & Prompt Management、Integrated evaluation suite: built-in Scorers, LLM-as-a-Judge, and custom code evaluators (Python & TypeScript)、Versioned prompt management with Prompt Playground and runtime SDK fetch、Prompt IDE (Playground++) with versioning and no-code collaboration、Integrated evaluation suite: built-in scorers, LLM-as-judge, custom code, datasets, and Experiment Compare (Improvement/Regression/Tradeoff grade) with evidence-backed Promote To Production、Versioned prompt management with Prompt Playground and SDK fetch at runtime、EU AI Act evidence packs, FRIA draft wizard, and HIPAA compliance support derived from the same OTel stream、Traccia (https://traccia.ai)。