--index-type <type>
# or
--index <type>

# Semantic similarity search
praisonai knowledge query "What is machine learning?" --index-type vector

# Exact keyword matching
praisonai knowledge query "API endpoint authentication" --index-type keyword

# Combined semantic + keyword
praisonai knowledge query "Python async await" --index-type hybrid

# Find exact function names
praisonai knowledge query "def authenticate_user" --index-type keyword

# Find conceptually related content
praisonai knowledge query "How to handle errors gracefully" --index-type vector

# Best of both worlds
praisonai knowledge query "Python authentication best practices" --index-type hybrid

# Complete configuration
praisonai knowledge query "How to implement OAuth?" \
  --vector-store chroma \
  --retrieval fusion \
  --reranker simple \
  --index-type hybrid \
  --query-mode default