# Core dependencies
numpy>=1.21.0

# Embedding & Search (optional but recommended)
sentence-transformers>=2.2.0  # Real embeddings (fallback to hash if not installed)
faiss-cpu>=1.7.0              # Fast similarity search
rank_bm25>=0.2.0              # Keyword search
networkx>=2.6.0               # Knowledge graph

# Demo & MCP
gradio>=4.0.0                 # Demo interface

# Optional: for MCP server
# fastmcp>=0.1.0