GEMINI_KEY=your_google_api_key
GROQ_API_KEY=your_groq_api_key

# Options: groq, gemini, ollama
RABBOOK_LLM_PROVIDER=groq
RABBOOK_LLM_MODEL=llama-3.1-8b-instant

# Ollama Settings
RABBOOK_OLLAMA_BASE_URL=http://localhost:11434
RABBOOK_OLLAMA_NUM_GPU=-1     # -1 = auto, 0 = force CPU, 50 = force CUDA/GPU layers
RABBOOK_OLLAMA_THINKING=true  # Show or hide <think> blocks for reasoning models

RABBOOK_HOST=0.0.0.0
RABBOOK_PORT=6001
RABBOOK_ENABLE_LANGGRAPH_AGENT=true
RABBOOK_ENABLE_RESEARCH_FALLBACK=false
RABBOOK_ENABLE_TOOL_AGENT=false  # Use the tool-use agent loop instead of the LangGraph pipeline

# --- LangSmith tracing (optional, for agent/RAG observability) ---
LANGCHAIN_TRACING_V2=true
LANGCHAIN_API_KEY=
LANGCHAIN_PROJECT=rabbook-eval
# Note: if RABBOOK_LLM_PROVIDER=ollama, set GEMINI_KEY to get better RAGAS judging quality.