# Web framework flask>=3.0.0 python-dotenv>=1.0.0 # AI APIs openai>=1.0.0 google-genai>=1.0.0 anthropic>=0.20.0 # Document processing pdfplumber pymupdf pandas openpyxl pillow pytesseract python-docx # RAG / Vector search faiss-cpu numpy # HTML PDF weasyprint psycopg2-binary gunicorn