requirements.txt

# API Framework
fastapi>=0.110.0
uvicorn[standard]>=0.27.0
pydantic>=2.6.0
pydantic-settings>=2.2.0
python-multipart>=0.0.9
sse-starlette>=1.8.2

# LLM 
anthropic>=0.25.0

# Embeddings & Reranking 
sentence-transformers>=2.6.0
torch>=2.2.0
transformers>=4.38.0

# Vector Store 
qdrant-client>=1.8.0

# Keyword Retrieval 
rank-bm25>=0.2.2

# Document Processing 
pdfplumber>=0.10.3
python-docx>=1.1.0
beautifulsoup4>=4.12.3
lxml>=5.1.0
requests>=2.31.0
markdownify>=0.11.6
chardet>=5.2.0

# Data & Numerics 
numpy>=1.26.0
pandas>=2.2.0
scikit-learn>=1.4.0

# Utilities 
python-dotenv>=1.0.0
tqdm>=4.66.0
httpx>=0.27.0
tenacity>=8.2.0
structlog>=24.1.0
orjson>=3.9.15
python-dateutil>=2.9.0

# Observability
prometheus-fastapi-instrumentator>=6.1.0
opentelemetry-api>=1.23.0
opentelemetry-sdk>=1.23.0
opentelemetry-instrumentation-fastapi>=0.44b0

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