requirements.txt

# Web Framework
fastapi>=0.110.0
uvicorn[standard]>=0.30.0
httpx>=0.27.0

# Authentication & Encryption
pyjwt>=2.8.0
bcrypt>=4.1.0
cryptography>=41.0.0
python-multipart>=0.0.9
email-validator>=2.0.0

# Database
sqlalchemy>=2.0.0
aiosqlite>=0.20.0

# Celery — async document indexing workers
celery[redis]>=5.3.0
redis>=5.0.0

# AI/LLM
groq>=0.30.0,<1.0.0
openai>=1.0.0
google-genai>=1.0.0
boto3>=1.35.0
langchain>=0.1.0
langchain-groq>=1.1.0
langchain-ollama>=0.3.0
langgraph>=0.1.0
langchain-community>=0.0.10
langchain-core>=0.1.0
httpx>=0.27.0

# Embeddings & Vector Store
sentence-transformers>=3.0.0
faiss-cpu>=1.8.0
rank-bm25>=0.2.0
numpy>=1.25.0

# Web Search
duckduckgo-search>=5.0.0
wikipedia>=1.4.0

# Configuration
pydantic>=2.0.0
pydantic-settings>=2.0.0

# File Processing
pdfplumber>=0.11.0
python-docx>=1.1.0
pandas>=2.2.0
openpyxl>=3.1.0

# Testing
pytest>=8.0.0
pytest-asyncio>=0.23.0
pytest-cov>=4.1.0