requirements.txt

# Web framework
fastapi>=0.104.0
uvicorn[standard]>=0.24.0
python-multipart>=0.0.6

# Document extraction
pdfplumber>=0.10.0
python-docx>=1.0.0
pdf2image>=1.16.0

# OCR
pytesseract>=0.3.10
Pillow>=10.0.0

# NLP / AI (offline fallback)
spacy>=3.7.0
sumy>=0.11.0
nltk>=3.8.0
transformers>=4.35.0
torch>=2.1.0

# AI (primary - Gemini via HTTP)
requests>=2.31.0

# Utilities
python-dotenv>=1.0.0