Langfuse：深度的 LLM 调用链路追踪（Trace）、Token 与成本计算。 Prometheus + Grafana：开箱即用的监控大盘，实时追踪 API 延迟、流式输出耗时等指标。 Structlog：带有 session_id 等请求上下文绑定的 JSON ...
Overview This project integrates Langchain with FastAPI in an Asynchronous, Scalable manner, providing a framework for document indexing and retrieval, using PostgreSQL/pgvector. Files are organized ...
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