requirements.txt

# requirements.txt
# Core
transformers>=4.42.0
torch
huggingface_hub>=0.23.4
sentence-transformers>=3.0.0
tensorflow==2.17.0
typing-extensions>=4.7
tf-keras==2.17.0
pillow

# LangChain split packages (v0.2 style)
langchain==0.3.*
langchain-community==0.3.*
langchain-text-splitters==0.3.*
# MUY IMPORTANTE: usar la integración nueva del Hub
langchain-huggingface==0.3.1

# Vector store
chromadb==0.5.3

# Web / parsing
beautifulsoup4>=4.12.3
pypdf>=4.2.0
tenacity==8.3.0
fake_useragent

# UI stack (alineado)
gradio==4.44.1
fastapi==0.115.0
starlette==0.38.2
pydantic==2.8.2
pydantic-core==2.20.1

tiktoken>=0.5.2
rank-bm25==0.2.2