# OpenRouter endpoint and API key for LLM calls
OPENAI_BASE_URL=https://openrouter.ai/api/v1
OPENAI_API_KEY=sk-or-v1-replace_me

# Main LLM used for classification and final answer generation
LLM_MODEL=openai/gpt-4.1-mini

# Local embedding model for Chroma indexing/search
EMBEDDING_MODEL=deepvk/USER2-small
EMBEDDING_DEVICE=cpu

# Chroma connection settings
CHROMA_HOST=chromadb
CHROMA_PORT=8000
CHROMA_COLLECTION=law_chunks
CHROMA_SSL=false

# Retrieval settings
RAG_TOP_K=5
FTS_TOP_K=20
VECTOR_TOP_K=20
INDEX_BATCH_SIZE=16
LLM_TIMEOUT_SECONDS=90

# FastAPI bind settings
API_HOST=0.0.0.0
API_PORT=8080
LOG_LEVEL=INFO

# Background indexing on startup
AUTO_INDEX_ON_STARTUP=true
AUTO_INDEX_ONLY_IF_EMPTY=true
AUTO_INDEX_RESET_COLLECTION=false
AUTO_INDEX_RETRY_DELAY_SECONDS=15
AUTO_INDEX_MAX_ATTEMPTS=20