# OpenAI Configuration (required)
OPENAI_API_KEY=your_openai_api_key_here
LLM_MODEL=gpt-5-nano
EMBEDDING_MODEL=text-embedding-3-small
LLM_TEMPERATURE=0.7
LLM_MAX_TOKENS=2000

# Document Processing Configuration
DOCUMENTS_PATH=assets/markdown
CHUNK_SIZE=300        # Back to default
CHUNK_OVERLAP=50
MIN_CHUNK_SIZE=100

# Retrieval Configuration
RETRIEVAL_TOP_K=5
BM25_WEIGHT=0.8       # Strongly favor keyword matching
VECTOR_WEIGHT=0.2     # Reduce semantic weight
MIN_RELEVANCE_SCORE=0.5  # Lower threshold (was too high)

# Application Configuration
DEBUG=false
SKIP_FACT_CHECK=false   # Skip fact-checking for faster responses

# Async Performance Configuration
USE_PARALLEL=true       # Enable parallel agent execution (saves 3-5s)
AGENT_TIMEOUT=30        # Timeout per agent in seconds