# Dependencias esenciales para producción Railway python-dotenv==1.1.1 langchain-core langchain-openai langgraph==1.0.9 trustcall==0.0.39 pydantic==2.12.5 psycopg==3.2.10 gradio==5.23.1 huggingface_hub>=0.24.0 psycopg[binary] langgraph-checkpoint-postgres[standard]