fastapi==0.128.0
uvicorn==0.39.0
python-multipart==0.0.20
pydantic==2.11.9
pydantic-settings==2.10.1

# PDF Processing
pdfplumber==0.11.8
PyPDF2==3.0.1
pytesseract==0.3.13
pdf2image==1.17.0
Pillow==11.3.0

# Embeddings (lightweight local model)
numpy==2.0.2
scikit-learn==1.6.1
sentence-transformers>=2.2.0

# LangChain & RAG
langchain==0.3.27
langchain-community==0.3.31
langchain-openai==0.3.35
chromadb==1.4.1
tiktoken==0.12.0
openai==2.16.0
httpx==0.28.1

# Utilities
python-dotenv==1.1.0