# LLM Configuration
LLM_PROVIDER=openrouter
LLM_API_KEY=
LLM_MODEL=google/gemini-2.0-flash-exp:free
LLM_TEMPERATURE=0.7
LLM_MAX_TOKENS=4000

# Search Configuration
MAX_PAPERS_TO_RETURN=10
MAX_RESULTS_PER_SOURCE=20
SEARCH_TIMEOUT=300

# Semantic Scholar API (optional, but recommended for higher rate limits)
SEMANTIC_SCHOLAR_API_KEY=your-semantic-scholar-api-key-here